[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] Remove defunct powerpc port.
# HG changeset patch # User Keir Fraser <keir.fraser@xxxxxxxxxx> # Date 1210250440 -3600 # Node ID b0d7780794ebb087766391380b1c17467f016fb6 # Parent 0ac957f9d42e778565e745d7b6dc55bd527c8e90 Remove defunct powerpc port. Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx> --- config/powerpc64.mk | 6 tools/libxc/powerpc64/Makefile | 4 tools/libxc/powerpc64/flatdevtree.c | 662 ----------- tools/libxc/powerpc64/flatdevtree.h | 108 - tools/libxc/powerpc64/flatdevtree_env.h | 94 - tools/libxc/powerpc64/mk_flatdevtree.c | 648 ---------- tools/libxc/powerpc64/mk_flatdevtree.h | 37 tools/libxc/powerpc64/xc_memory.c | 42 tools/libxc/xc_core_powerpc.c | 79 - tools/libxc/xc_core_powerpc.h | 58 tools/libxc/xc_dom_powerpc.c | 236 --- tools/xm-test/ramdisk/configs/buildroot-powerpc | 338 ----- xen/arch/powerpc/0opt.c | 34 xen/arch/powerpc/Makefile | 152 -- xen/arch/powerpc/Rules.mk | 52 xen/arch/powerpc/audit.c | 47 xen/arch/powerpc/backtrace.c | 217 --- xen/arch/powerpc/bitops.c | 94 - xen/arch/powerpc/boot_of.c | 1257 --------------------- xen/arch/powerpc/cmdline.c | 24 xen/arch/powerpc/crash.c | 20 xen/arch/powerpc/dart.c | 297 ---- xen/arch/powerpc/dart.h | 36 xen/arch/powerpc/dart_u3.c | 108 - xen/arch/powerpc/dart_u4.c | 184 --- xen/arch/powerpc/domain.c | 357 ----- xen/arch/powerpc/domain_build.c | 297 ---- xen/arch/powerpc/domctl.c | 120 -- xen/arch/powerpc/exceptions.c | 91 - xen/arch/powerpc/exceptions.h | 54 xen/arch/powerpc/external.c | 202 --- xen/arch/powerpc/float.S | 243 ---- xen/arch/powerpc/gdbstub.c | 216 --- xen/arch/powerpc/hcalls.c | 171 -- xen/arch/powerpc/iommu.c | 95 - xen/arch/powerpc/iommu.h | 28 xen/arch/powerpc/irq.c | 22 xen/arch/powerpc/machine_kexec.c | 41 xen/arch/powerpc/memory.c | 224 --- xen/arch/powerpc/mm.c | 617 ---------- xen/arch/powerpc/mpic.c | 1100 ------------------ xen/arch/powerpc/mpic_init.c | 416 ------ xen/arch/powerpc/mpic_init.h | 27 xen/arch/powerpc/multiboot2.c | 67 - xen/arch/powerpc/numa.c | 1 xen/arch/powerpc/of-devtree.c | 1087 ------------------ xen/arch/powerpc/of-devtree.h | 157 -- xen/arch/powerpc/of-devwalk.c | 133 -- xen/arch/powerpc/of_handler/Makefile | 32 xen/arch/powerpc/of_handler/console.c | 233 --- xen/arch/powerpc/of_handler/control.c | 90 - xen/arch/powerpc/of_handler/cpu.c | 82 - xen/arch/powerpc/of_handler/devtree.c | 268 ---- xen/arch/powerpc/of_handler/head.S | 156 -- xen/arch/powerpc/of_handler/io.c | 160 -- xen/arch/powerpc/of_handler/leap.S | 38 xen/arch/powerpc/of_handler/memcmp.c | 39 xen/arch/powerpc/of_handler/memory.c | 129 -- xen/arch/powerpc/of_handler/memset.c | 67 - xen/arch/powerpc/of_handler/ofh.c | 439 ------- xen/arch/powerpc/of_handler/ofh.h | 164 -- xen/arch/powerpc/of_handler/papr.S | 97 - xen/arch/powerpc/of_handler/papr.h | 69 - xen/arch/powerpc/of_handler/rtas.c | 82 - xen/arch/powerpc/of_handler/services.c | 96 - xen/arch/powerpc/of_handler/snprintf.c | 332 ----- xen/arch/powerpc/of_handler/strcmp.c | 36 xen/arch/powerpc/of_handler/strlcpy.c | 58 xen/arch/powerpc/of_handler/strlen.c | 30 xen/arch/powerpc/of_handler/strncmp.c | 39 xen/arch/powerpc/of_handler/strnlen.c | 30 xen/arch/powerpc/of_handler/vdevice.c | 74 - xen/arch/powerpc/of_handler/xen_hvcall.S | 44 xen/arch/powerpc/of_handler/xencomm.c | 84 - xen/arch/powerpc/ofd_fixup.c | 428 ------- xen/arch/powerpc/ofd_fixup_memory.c | 128 -- xen/arch/powerpc/oftree.h | 38 xen/arch/powerpc/papr/Makefile | 11 xen/arch/powerpc/papr/debug.c | 84 - xen/arch/powerpc/papr/h_perfmon.c | 158 -- xen/arch/powerpc/papr/tce.c | 84 - xen/arch/powerpc/papr/vtce.c | 158 -- xen/arch/powerpc/papr/vterm.c | 70 - xen/arch/powerpc/papr/xlate.c | 619 ---------- xen/arch/powerpc/physdev.c | 24 xen/arch/powerpc/platform.c | 43 xen/arch/powerpc/powerpc64/Makefile | 14 xen/arch/powerpc/powerpc64/asm-offsets.c | 67 - xen/arch/powerpc/powerpc64/domain.c | 222 --- xen/arch/powerpc/powerpc64/exceptions.S | 644 ---------- xen/arch/powerpc/powerpc64/hypercall_table.S | 46 xen/arch/powerpc/powerpc64/io.S | 193 --- xen/arch/powerpc/powerpc64/memcpy.S | 171 -- xen/arch/powerpc/powerpc64/ppc970.c | 302 ----- xen/arch/powerpc/powerpc64/ppc970_machinecheck.c | 125 -- xen/arch/powerpc/powerpc64/ppc970_scom.c | 184 --- xen/arch/powerpc/powerpc64/prom_call.S | 116 - xen/arch/powerpc/powerpc64/scom.h | 39 xen/arch/powerpc/powerpc64/string.S | 286 ---- xen/arch/powerpc/powerpc64/traps.c | 58 xen/arch/powerpc/ppc32/prom_call.c | 41 xen/arch/powerpc/rtas.c | 201 --- xen/arch/powerpc/rtas.h | 65 - xen/arch/powerpc/rtas_flash.c | 182 --- xen/arch/powerpc/rtas_nvram.c | 129 -- xen/arch/powerpc/setup.c | 509 -------- xen/arch/powerpc/shadow.c | 155 -- xen/arch/powerpc/smp-tbsync.c | 193 --- xen/arch/powerpc/smp.c | 214 --- xen/arch/powerpc/smpboot.c | 29 xen/arch/powerpc/start.S | 62 - xen/arch/powerpc/sysctl.c | 65 - xen/arch/powerpc/systemsim.S | 64 - xen/arch/powerpc/tce.h | 71 - xen/arch/powerpc/time.c | 90 - xen/arch/powerpc/usercopy.c | 50 xen/arch/powerpc/xen.lds.S | 250 ---- xen/include/asm-powerpc/acpi.h | 2 xen/include/asm-powerpc/asm_defns.h | 28 xen/include/asm-powerpc/atomic.h | 211 --- xen/include/asm-powerpc/bitops.h | 309 ----- xen/include/asm-powerpc/boot.h | 46 xen/include/asm-powerpc/bug.h | 7 xen/include/asm-powerpc/byteorder.h | 80 - xen/include/asm-powerpc/cache.h | 74 - xen/include/asm-powerpc/config.h | 85 - xen/include/asm-powerpc/current.h | 79 - xen/include/asm-powerpc/debugger.h | 97 - xen/include/asm-powerpc/delay.h | 40 xen/include/asm-powerpc/desc.h | 25 xen/include/asm-powerpc/div64.h | 33 xen/include/asm-powerpc/domain.h | 123 -- xen/include/asm-powerpc/elf.h | 30 xen/include/asm-powerpc/event.h | 99 - xen/include/asm-powerpc/flushtlb.h | 105 - xen/include/asm-powerpc/grant_table.h | 92 - xen/include/asm-powerpc/guest_access.h | 26 xen/include/asm-powerpc/hardirq.h | 21 xen/include/asm-powerpc/hcalls.h | 34 xen/include/asm-powerpc/htab.h | 136 -- xen/include/asm-powerpc/hypercall.h | 26 xen/include/asm-powerpc/init.h | 40 xen/include/asm-powerpc/io.h | 69 - xen/include/asm-powerpc/iocap.h | 26 xen/include/asm-powerpc/irq.h | 31 xen/include/asm-powerpc/mach-default/irq_vectors.h | 89 - xen/include/asm-powerpc/memory.h | 39 xen/include/asm-powerpc/mm.h | 286 ---- xen/include/asm-powerpc/mpic.h | 294 ---- xen/include/asm-powerpc/msr.h | 66 - xen/include/asm-powerpc/multicall.h | 27 xen/include/asm-powerpc/nmi.h | 9 xen/include/asm-powerpc/numa.h | 28 xen/include/asm-powerpc/page.h | 134 -- xen/include/asm-powerpc/papr.h | 219 --- xen/include/asm-powerpc/pci.h | 35 xen/include/asm-powerpc/percpu.h | 36 xen/include/asm-powerpc/perfc.h | 16 xen/include/asm-powerpc/platform.h | 28 xen/include/asm-powerpc/powerpc64/config.h | 39 xen/include/asm-powerpc/powerpc64/ppc970-hid.h | 144 -- xen/include/asm-powerpc/powerpc64/ppc970.h | 31 xen/include/asm-powerpc/powerpc64/procarea.h | 38 xen/include/asm-powerpc/powerpc64/processor.h | 228 --- xen/include/asm-powerpc/powerpc64/string.h | 42 xen/include/asm-powerpc/processor.h | 429 ------- xen/include/asm-powerpc/reg_defs.h | 210 --- xen/include/asm-powerpc/regs.h | 25 xen/include/asm-powerpc/shadow.h | 52 xen/include/asm-powerpc/shared.h | 4 xen/include/asm-powerpc/smp.h | 60 - xen/include/asm-powerpc/softirq.h | 6 xen/include/asm-powerpc/spinlock.h | 218 --- xen/include/asm-powerpc/string.h | 26 xen/include/asm-powerpc/system.h | 247 ---- xen/include/asm-powerpc/time.h | 86 - xen/include/asm-powerpc/trace.h | 4 xen/include/asm-powerpc/types.h | 79 - xen/include/asm-powerpc/xenoprof.h | 100 - xen/include/public/arch-powerpc.h | 120 -- Config.mk | 3 tools/libxc/Makefile | 2 tools/libxc/xc_core.h | 2 tools/libxc/xc_dom_elfloader.c | 2 tools/libxc/xenctrl.h | 9 tools/libxc/xenguest.h | 14 tools/python/xen/lowlevel/xc/xc.c | 32 tools/python/xen/xend/arch.py | 2 tools/python/xen/xend/image.py | 17 tools/xm-test/lib/XmTestLib/arch.py | 40 tools/xm-test/lib/XmTestReport/arch.py | 6 tools/xm-test/ramdisk/Makefile.am | 2 tools/xm-test/ramdisk/make-release.sh | 3 tools/xm-test/runtest.sh | 2 xen/Rules.mk | 3 xen/include/asm-x86/desc.h | 2 xen/include/public/io/protocols.h | 3 xen/include/public/libelf.h | 4 xen/include/public/xen.h | 2 199 files changed, 6 insertions(+), 25862 deletions(-) diff -r 0ac957f9d42e -r b0d7780794eb Config.mk --- a/Config.mk Thu May 08 13:15:45 2008 +0100 +++ b/Config.mk Thu May 08 13:40:40 2008 +0100 @@ -4,8 +4,7 @@ debug ?= n debug ?= n XEN_COMPILE_ARCH ?= $(shell uname -m | sed -e s/i.86/x86_32/ \ - -e s/ppc/powerpc/ -e s/i86pc/x86_32/ \ - -e s/amd64/x86_64/) + -e s/i86pc/x86_32/ -e s/amd64/x86_64/) XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH) XEN_OS ?= $(shell uname -s) diff -r 0ac957f9d42e -r b0d7780794eb config/powerpc64.mk --- a/config/powerpc64.mk Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,6 +0,0 @@ -CONFIG_POWERPC := y -CONFIG_POWERPC_$(XEN_OS) := y - -CONFIG_XENCOMM := y - -CFLAGS += -DELFSIZE=64 diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/Makefile --- a/tools/libxc/Makefile Thu May 08 13:15:45 2008 +0100 +++ b/tools/libxc/Makefile Thu May 08 13:40:40 2008 +0100 @@ -9,7 +9,6 @@ CTRL_SRCS-y += xc_core.c CTRL_SRCS-y += xc_core.c CTRL_SRCS-$(CONFIG_X86) += xc_core_x86.c CTRL_SRCS-$(CONFIG_IA64) += xc_core_ia64.c -CTRL_SRCS-$(CONFIG_POWERPC) += xc_core_powerpc.c endif CTRL_SRCS-y += xc_domain.c CTRL_SRCS-y += xc_evtchn.c @@ -55,7 +54,6 @@ GUEST_SRCS-$(CONFIG_X86) += xc_dom_x GUEST_SRCS-$(CONFIG_X86) += xc_dom_x86.c GUEST_SRCS-$(CONFIG_X86) += xc_cpuid_x86.c GUEST_SRCS-$(CONFIG_IA64) += xc_dom_ia64.c -GUEST_SRCS-$(CONFIG_POWERPC) += xc_dom_powerpc.c endif -include $(XEN_TARGET_ARCH)/Makefile diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/Makefile --- a/tools/libxc/powerpc64/Makefile Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,4 +0,0 @@ -GUEST_SRCS-y += powerpc64/flatdevtree.c -GUEST_SRCS-y += powerpc64/mk_flatdevtree.c - -CTRL_SRCS-y += powerpc64/xc_memory.c diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/flatdevtree.c --- a/tools/libxc/powerpc64/flatdevtree.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,662 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright Pantelis Antoniou 2006 - * Copyright IBM Corporation 2006, 2007 - * 2006 (c) MontaVista, Software, Inc. - * - * Authors: Pantelis Antoniou <pantelis@xxxxxxxxxxxxxxxxx> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - * Mark A. Greer <mgreer@xxxxxxxxxx> - */ - -#include "flatdevtree.h" - -/* Set ptrs to current one's info; return addr of next one */ -static u32 *ft_next(u32 *p, const u32 *p_strings, const u32 version, - u32 **tagpp, char **namepp, char **datapp, u32 **sizepp) -{ - u32 sz; - - *namepp = NULL; - *datapp = NULL; - *sizepp = NULL; - *tagpp = p; - - switch (be32_to_cpu(*p++)) { /* Tag */ - case OF_DT_BEGIN_NODE: - *namepp = (char *)p; - p = (u32 *)_ALIGN((unsigned long)p + strlen((char *)p) + 1, 4); - break; - case OF_DT_PROP: - sz = be32_to_cpu(*p); - *sizepp = p++; - *namepp = (char *)p_strings + be32_to_cpu(*p++); - if ((version < 0x10) && (sz >= 8)) - p = (u32 *)_ALIGN((unsigned long)p, 8); - *datapp = (char *)p; - p = (u32 *)_ALIGN((unsigned long)p + sz, 4); - break; - case OF_DT_END_NODE: - case OF_DT_NOP: - break; - case OF_DT_END: - default: - p = NULL; - break; - } - - return p; -} - -static void ft_put_word(struct ft_cxt *cxt, u32 v) -{ - if (cxt->overflow) /* do nothing */ - return; - - /* check for overflow */ - if (cxt->p + 4 > cxt->pstr) { - cxt->overflow = 1; - return; - } - - *(u32 *) cxt->p = cpu_to_be32(v); - cxt->p += 4; -} - -static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz) -{ - char *p; - - if (cxt->overflow) /* do nothing */ - return; - - /* next pointer pos */ - p = (char *) _ALIGN((unsigned long)cxt->p + sz, 4); - - /* check for overflow */ - if (p > cxt->pstr) { - cxt->overflow = 1; - return; - } - - memcpy(cxt->p, data, sz); - if ((sz & 3) != 0) - memset(cxt->p + sz, 0, 4 - (sz & 3)); - cxt->p = p; -} - -void ft_begin_node(struct ft_cxt *cxt, const char *name) -{ - ft_put_word(cxt, OF_DT_BEGIN_NODE); - ft_put_bin(cxt, name, strlen(name) + 1); -} - -void ft_end_node(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_END_NODE); -} - -void ft_nop(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_NOP); -} - -static int lookup_string(struct ft_cxt *cxt, const char *name) -{ - char *p; - - p = cxt->pstr; - while (p < cxt->pstr_begin) { - if (strcmp(p, (char *)name) == 0) - return p - cxt->p_begin; - p += strlen(p) + 1; - } - - return -1; -} - -void ft_prop(struct ft_cxt *cxt, const char *name, - const void *data, unsigned int sz) -{ - int len, off; - - if (cxt->overflow) - return; - - len = strlen(name) + 1; - - off = lookup_string(cxt, name); - if (off == -1) { - /* check if we have space */ - if (cxt->p + 12 + sz + len > cxt->pstr) { - cxt->overflow = 1; - return; - } - - cxt->pstr -= len; - memcpy(cxt->pstr, name, len); - off = cxt->pstr - cxt->p_begin; - } - - /* now put offset from beginning of *STRUCTURE* */ - /* will be fixed up at the end */ - ft_put_word(cxt, OF_DT_PROP); - ft_put_word(cxt, sz); - ft_put_word(cxt, off); - ft_put_bin(cxt, data, sz); -} - -void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str) -{ - ft_prop(cxt, name, str, strlen(str) + 1); -} - -void ft_prop_int(struct ft_cxt *cxt, const char *name, unsigned int val) -{ - u32 v = cpu_to_be32((u32) val); - - ft_prop(cxt, name, &v, 4); -} - -/* start construction of the flat OF tree */ -void ft_begin(struct ft_cxt *cxt, void *blob, unsigned int max_size) -{ - struct boot_param_header *bph = blob; - u32 off; - - /* clear the cxt */ - memset(cxt, 0, sizeof(*cxt)); - - cxt->bph = bph; - cxt->max_size = max_size; - - /* zero everything in the header area */ - memset(bph, 0, sizeof(*bph)); - - bph->magic = cpu_to_be32(OF_DT_HEADER); - bph->version = cpu_to_be32(0x10); - bph->last_comp_version = cpu_to_be32(0x10); - - /* start pointers */ - cxt->pres_begin = (char *) _ALIGN((unsigned long)(bph + 1), 8); - cxt->pres = cxt->pres_begin; - - off = (unsigned long)cxt->pres_begin - (unsigned long)bph; - bph->off_mem_rsvmap = cpu_to_be32(off); - - ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = 0; - - cxt->p_anchor = cxt->pres + 16; /* over the terminator */ -} - -/* add a reserver physical area to the rsvmap */ -void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size) -{ - ((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = cpu_to_be64(size); - - cxt->pres += 16; /* advance two u64s worth */ - - ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ - ((u64 *) cxt->pres)[1] = 0; - - /* keep track of size */ - cxt->res_size = cxt->pres + 16 - cxt->pres_begin; - - cxt->p_anchor = cxt->pres + 16; /* over the terminator */ -} - -int ft_set_rsvmap(void *bphp, int m, u64 physaddr, u64 size) -{ - const struct boot_param_header *bph = bphp; - u64 *p_rsvmap = (u64 *) - ((char *)bph + be32_to_cpu(bph->off_mem_rsvmap)); - u32 i; - - for (i = 0;; i++) { - u64 addr, sz; - - addr = be64_to_cpu(p_rsvmap[i * 2]); - sz = be64_to_cpu(p_rsvmap[i * 2 + 1]); - if (addr == 0 && size == 0) - break; - if (m == i) { - p_rsvmap[i * 2] = cpu_to_be64(physaddr); - p_rsvmap[i * 2 + 1] = cpu_to_be64(size); - return 0; - } - } - return -1; -} - -void ft_begin_tree(struct ft_cxt *cxt) -{ - cxt->p_begin = cxt->p_anchor; - cxt->pstr_begin = (char *)cxt->bph + cxt->max_size; /* point at the end */ - - cxt->p = cxt->p_begin; - cxt->pstr = cxt->pstr_begin; -} - -int ft_end_tree(struct ft_cxt *cxt) -{ - struct boot_param_header *bph = cxt->bph; - int off, sz, sz1; - u32 tag, v; - char *p; - - ft_put_word(cxt, OF_DT_END); - - if (cxt->overflow) - return -ENOMEM; - - /* size of the areas */ - cxt->struct_size = cxt->p - cxt->p_begin; - cxt->strings_size = cxt->pstr_begin - cxt->pstr; - - /* the offset we must move */ - off = (cxt->pstr_begin - cxt->p_begin) - cxt->strings_size; - - /* the new strings start */ - cxt->pstr_begin = cxt->p_begin + cxt->struct_size; - - /* move the whole string area */ - memmove(cxt->pstr_begin, cxt->pstr, cxt->strings_size); - - /* now perform the fixup of the strings */ - p = cxt->p_begin; - while ((tag = be32_to_cpu(*(u32 *) p)) != OF_DT_END) { - p += 4; - - if (tag == OF_DT_BEGIN_NODE) { - p = (char *) _ALIGN((unsigned long)p + strlen(p) + 1, 4); - continue; - } - - if (tag == OF_DT_END_NODE || tag == OF_DT_NOP) - continue; - - if (tag != OF_DT_PROP) - return -EINVAL; - - sz = be32_to_cpu(*(u32 *) p); - p += 4; - - v = be32_to_cpu(*(u32 *) p); - v -= off; - *(u32 *) p = cpu_to_be32(v); /* move down */ - p += 4; - - p = (char *) _ALIGN((unsigned long)p + sz, 4); - } - - /* fix sizes */ - p = (char *)cxt->bph; - sz = (cxt->pstr_begin + cxt->strings_size) - p; - sz1 = _ALIGN(sz, 16); /* align at 16 bytes */ - if (sz != sz1) - memset(p + sz, 0, sz1 - sz); - bph->totalsize = cpu_to_be32(sz1); - bph->off_dt_struct = cpu_to_be32(cxt->p_begin - p); - bph->off_dt_strings = cpu_to_be32(cxt->pstr_begin - p); - - /* the new strings start */ - cxt->pstr_begin = cxt->p_begin + cxt->struct_size; - cxt->pstr = cxt->pstr_begin + cxt->strings_size; - - /* mark the size of string structure in bph */ - bph->size_dt_strings = cxt->strings_size; - - return 0; -} - -/**********************************************************************/ - -static inline int isprint(int c) -{ - return c >= 0x20 && c <= 0x7e; -} - -static int is_printable_string(const void *data, int len) -{ - const char *s = data; - const char *ss; - - /* zero length is not */ - if (len == 0) - return 0; - - /* must terminate with zero */ - if (s[len - 1] != '\0') - return 0; - - ss = s; - while (*s && isprint(*s)) - s++; - - /* not zero, or not done yet */ - if (*s != '\0' || (s + 1 - ss) < len) - return 0; - - return 1; -} - -static void print_data(const void *data, int len) -{ - int i; - const char *s; - - /* no data, don't print */ - if (len == 0) - return; - - if (is_printable_string(data, len)) { - printf(" = \"%s\"", (char *)data); - return; - } - - switch (len) { - case 1: /* byte */ - printf(" = <0x%02x>", (*(char *) data) & 0xff); - break; - case 2: /* half-word */ - printf(" = <0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); - break; - case 4: /* word */ - printf(" = <0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); - break; - case 8: /* double-word */ - printf(" = <0x%16llx>", be64_to_cpu(*(u64 *) data)); - break; - default: /* anything else... hexdump */ - printf(" = ["); - for (i = 0, s = data; i < len; i++) - printf("%02x%s", s[i], i < len - 1 ? " " : ""); - printf("]"); - - break; - } -} - -void ft_dump_blob(const void *bphp) -{ - const struct boot_param_header *bph = bphp; - const u64 *p_rsvmap = (const u64 *) - ((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap)); - const u32 *p_struct = (const u32 *) - ((const char *)bph + be32_to_cpu(bph->off_dt_struct)); - const u32 *p_strings = (const u32 *) - ((const char *)bph + be32_to_cpu(bph->off_dt_strings)); - const u32 version = be32_to_cpu(bph->version); - u32 i, *p, *tagp, *sizep; - char *namep, *datap; - int depth, shift; - u64 addr, size; - - - if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { - /* not valid tree */ - return; - } - - depth = 0; - shift = 4; - - for (i = 0;; i++) { - addr = be64_to_cpu(p_rsvmap[i * 2]); - size = be64_to_cpu(p_rsvmap[i * 2 + 1]); - if (addr == 0 && size == 0) - break; - - printf("/memreserve/ 0x%llx 0x%llx;\n", addr, size); - } - - p = (u32 *)p_struct; - while ((p = ft_next(p, p_strings, version, &tagp, &namep, &datap, - &sizep)) != NULL) - switch (be32_to_cpu(*tagp)) { - case OF_DT_BEGIN_NODE: - printf("%*s%s {\n", depth * shift, "", namep); - depth++; - break; - case OF_DT_END_NODE: - depth--; - printf("%*s};\n", depth * shift, ""); - break; - case OF_DT_NOP: - printf("%*s[NOP]\n", depth * shift, ""); - break; - case OF_DT_END: - break; - case OF_DT_PROP: - printf("%*s%s", depth * shift, "", namep); - print_data(datap, *sizep); - printf(";\n"); - break; - default: - fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", - depth * shift, "", *tagp); - return; - } -} - -void ft_backtrack_node(struct ft_cxt *cxt) -{ - if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) - return; /* XXX only for node */ - - cxt->p -= 4; -} - -/* note that the root node of the blob is "peeled" off */ -void ft_merge_blob(struct ft_cxt *cxt, void *blob) -{ - struct boot_param_header *bph = (struct boot_param_header *)blob; - u32 *p_struct = (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_struct)); - u32 *p_strings = - (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_strings)); - const u32 version = be32_to_cpu(bph->version); - u32 *p, *tagp, *sizep; - char *namep, *datap; - int depth; - - if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) - return; /* XXX only for node */ - - cxt->p -= 4; - - depth = 0; - p = p_struct; - while ((p = ft_next(p, p_strings, version, &tagp, &namep, &datap, - &sizep)) != NULL) - switch (be32_to_cpu(*tagp)) { - case OF_DT_BEGIN_NODE: - if (depth++ > 0) - ft_begin_node(cxt, namep); - break; - case OF_DT_END_NODE: - ft_end_node(cxt); - if (--depth == 0) - return; - break; - case OF_DT_PROP: - ft_prop(cxt, namep, datap, *sizep); - break; - } -} - -/**********************************************************************/ - -void *ft_find_node(const void *bphp, const char *srch_path) -{ - const struct boot_param_header *bph = bphp; - u32 *p_struct = (u32 *)((char *)bph + be32_to_cpu(bph->off_dt_struct)); - u32 *p_strings= (u32 *)((char *)bph + be32_to_cpu(bph->off_dt_strings)); - u32 version = be32_to_cpu(bph->version); - u32 *p, *tagp, *sizep; - char *namep, *datap; - static char path[MAX_PATH_LEN]; - - path[0] = '\0'; - p = p_struct; - - while ((p = ft_next(p, p_strings, version, &tagp, &namep, &datap, - &sizep)) != NULL) - switch (be32_to_cpu(*tagp)) { - case OF_DT_BEGIN_NODE: - strcat(path, namep); - if (!strcmp(path, srch_path)) - return tagp; - strcat(path, "/"); - break; - case OF_DT_END_NODE: - ft_parentize(path, 1); - break; - } - return NULL; -} - -int ft_get_prop(const void *bphp, const void *node, const char *propname, - void *buf, const unsigned int buflen) -{ - const struct boot_param_header *bph = bphp; - u32 *p_strings= (u32 *)((char *)bph + be32_to_cpu(bph->off_dt_strings)); - u32 version = be32_to_cpu(bph->version); - u32 *p, *tagp, *sizep, size; - char *namep, *datap; - int depth; - - depth = 0; - p = (u32 *)node; - - while ((p = ft_next(p, p_strings, version, &tagp, &namep, &datap, - &sizep)) != NULL) - switch (be32_to_cpu(*tagp)) { - case OF_DT_BEGIN_NODE: - depth++; - break; - case OF_DT_PROP: - if ((depth == 1) && !strcmp(namep, propname)) { - size = min(be32_to_cpu(*sizep), (u32)buflen); - memcpy(buf, datap, size); - return size; - } - break; - case OF_DT_END_NODE: - if (--depth <= 0) - return -1; - break; - } - return -1; -} - -static void ft_modify_prop(void **bphpp, char *datap, u32 *old_prop_sizep, - const char *buf, const unsigned int buflen) -{ - u32 old_prop_data_len, new_prop_data_len; - - old_prop_data_len = _ALIGN(be32_to_cpu(*old_prop_sizep), 4); - new_prop_data_len = _ALIGN(buflen, 4); - - /* Check if new prop data fits in old prop data area */ - if (new_prop_data_len == old_prop_data_len) { - memcpy(datap, buf, buflen); - *old_prop_sizep = cpu_to_be32(buflen); - } else { - /* Need to alloc new area to put larger or smaller ft */ - struct boot_param_header *old_bph = *bphpp, *new_bph; - u32 *old_tailp, *new_tailp, *new_datap; - u32 old_total_size, new_total_size, head_len, tail_len, diff, v; - - old_total_size = be32_to_cpu(old_bph->totalsize); - head_len = (u32)(datap - (char *)old_bph); - tail_len = old_total_size - (head_len + old_prop_data_len); - old_tailp = (u32 *)(datap + old_prop_data_len); - new_total_size = head_len + new_prop_data_len + tail_len; - - if (!(new_bph = malloc(new_total_size))) { - printf("Can't alloc space for new ft\n"); - ft_exit(-ENOSPC); - } - - new_datap = (u32 *)((char *)new_bph + head_len); - new_tailp = (u32 *)((char *)new_datap + new_prop_data_len); - - memcpy(new_bph, *bphpp, head_len); - memcpy(new_datap, buf, buflen); - memcpy(new_tailp, old_tailp, tail_len); - - *(new_datap - 2) = cpu_to_be32(buflen); /* Set prop size */ - - new_bph->totalsize = cpu_to_be32(new_total_size); - diff = new_prop_data_len - old_prop_data_len; - - if (be32_to_cpu(old_bph->off_dt_strings) - > be32_to_cpu(old_bph->off_dt_struct)) { - v = be32_to_cpu(new_bph->off_dt_strings); - new_bph->off_dt_strings = cpu_to_be32(v + diff); - } - - if (be32_to_cpu(old_bph->off_mem_rsvmap) - > be32_to_cpu(old_bph->off_dt_struct)) { - v = be32_to_cpu(new_bph->off_mem_rsvmap); - new_bph->off_mem_rsvmap = cpu_to_be32(v + diff); - } - - ft_free(*bphpp, old_total_size); - *bphpp = new_bph; - } -} - -/* - * - Only modifies existing properties. - * - The dev tree passed in may be freed and a new one allocated - * (and *bphpp set to location of new dev tree). - */ -int ft_set_prop(void **bphpp, const void *node, const char *propname, - const void *buf, const unsigned int buflen) -{ - struct boot_param_header *bph = *bphpp; - u32 *p_strings= (u32 *)((char *)bph + be32_to_cpu(bph->off_dt_strings)); - u32 version = be32_to_cpu(bph->version); - u32 *p, *tagp, *sizep; - char *namep, *datap; - int depth; - - depth = 0; - p = (u32 *)node; - - while ((p = ft_next(p, p_strings, version, &tagp, &namep, &datap, - &sizep)) != NULL) - switch (be32_to_cpu(*tagp)) { - case OF_DT_BEGIN_NODE: - depth++; - break; - case OF_DT_PROP: - if ((depth == 1) && !strcmp(namep, propname)) { - ft_modify_prop(bphpp, datap, sizep, buf, - buflen); - return be32_to_cpu(*sizep); - } - break; - case OF_DT_END_NODE: - if (--depth <= 0) - return -1; - break; - } - return -1; -} diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/flatdevtree.h --- a/tools/libxc/powerpc64/flatdevtree.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,108 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#ifndef _FLATDEVTREE_H_ -#define _FLATDEVTREE_H_ - -#include "flatdevtree_env.h" - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -struct boot_param_header { - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 size_dt_strings; /* size of the DT strings block */ -}; - -struct ft_cxt { - struct boot_param_header *bph; - int max_size; /* maximum size of tree */ - int overflow; /* set when this happens */ - char *p, *pstr, *pres; /* running pointers */ - char *p_begin, *pstr_begin, *pres_begin; /* starting pointers */ - char *p_anchor; /* start of constructed area */ - int struct_size, strings_size, res_size; -}; - -void ft_begin_node(struct ft_cxt *cxt, const char *name); -void ft_end_node(struct ft_cxt *cxt); - -void ft_begin_tree(struct ft_cxt *cxt); -int ft_end_tree(struct ft_cxt *cxt); - -void ft_nop(struct ft_cxt *cxt); -void ft_prop(struct ft_cxt *cxt, const char *name, - const void *data, unsigned int sz); -void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str); -void ft_prop_int(struct ft_cxt *cxt, const char *name, unsigned int val); -void ft_begin(struct ft_cxt *cxt, void *blob, unsigned int max_size); -void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); -int ft_set_rsvmap(void *bphp, int m, u64 physaddr, u64 size); - -void ft_dump_blob(const void *bphp); -void ft_backtrack_node(struct ft_cxt *cxt); -void ft_merge_blob(struct ft_cxt *cxt, void *blob); - -void *ft_find_node(const void *bphp, const char *srch_path); -int ft_get_prop(const void *bphp, const void *node, const char *propname, - void *buf, const unsigned int buflen); -int ft_set_prop(void **bphp, const void *node, const char *propname, - const void *buf, const unsigned int buflen); - -static inline char *ft_strrchr(const char *s, int c) -{ - const char *p = s + strlen(s); - - do { - if (*p == (char)c) - return (char *)p; - } while (--p >= s); - return NULL; -} - -/* 'path' is modified */ -static inline void ft_parentize(char *path, int leave_slash) -{ - char *s = &path[strlen(path) - 1]; - - if (*s == '/') - *s = '\0'; - s = ft_strrchr(path, '/'); - if (s != NULL) { - if (leave_slash) - s[1] = '\0'; - else if (s[0] == '/') - s[0] = '\0'; - } -} - -#endif /* FLATDEVTREE_H */ diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/flatdevtree_env.h --- a/tools/libxc/powerpc64/flatdevtree_env.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,94 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#ifndef _FLATDEVTREE_ENV_H_ -#define _FLATDEVTREE_ENV_H_ - -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <endian.h> -#include <errno.h> - -#define MAX_PATH_LEN 1024 - -#define _ALIGN(addr,size) (((addr)+(size)-1)&(~((size)-1))) - -typedef unsigned short u16; -typedef unsigned int u32; -typedef unsigned long long u64; - -static inline u16 swab16(u16 x) -{ - return (((u16)(x) & (u16)0x00ffU) << 8) | - (((u16)(x) & (u16)0xff00U) >> 8); -} - -static inline u32 swab32(u32 x) -{ - return (((u32)(x) & (u32)0x000000ffUL) << 24) | - (((u32)(x) & (u32)0x0000ff00UL) << 8) | - (((u32)(x) & (u32)0x00ff0000UL) >> 8) | - (((u32)(x) & (u32)0xff000000UL) >> 24); -} - -static inline u64 swab64(u64 x) -{ - return (u64)(((u64)(x) & (u64)0x00000000000000ffULL) << 56) | - (u64)(((u64)(x) & (u64)0x000000000000ff00ULL) << 40) | - (u64)(((u64)(x) & (u64)0x0000000000ff0000ULL) << 24) | - (u64)(((u64)(x) & (u64)0x00000000ff000000ULL) << 8) | - (u64)(((u64)(x) & (u64)0x000000ff00000000ULL) >> 8) | - (u64)(((u64)(x) & (u64)0x0000ff0000000000ULL) >> 24) | - (u64)(((u64)(x) & (u64)0x00ff000000000000ULL) >> 40) | - (u64)(((u64)(x) & (u64)0xff00000000000000ULL) >> 56); -} - -#if __BYTE_ORDER == __LITTLE_ENDIAN -#define cpu_to_be16(x) swab16(x) -#define be16_to_cpu(x) swab16(x) -#define cpu_to_be32(x) swab32(x) -#define be32_to_cpu(x) swab32(x) -#define cpu_to_be64(x) swab64(x) -#define be64_to_cpu(x) swab64(x) -#else -#define cpu_to_be16(x) (x) -#define be16_to_cpu(x) (x) -#define cpu_to_be32(x) (x) -#define be32_to_cpu(x) (x) -#define cpu_to_be64(x) (x) -#define be64_to_cpu(x) (x) -#endif - -static inline void ft_exit(int code) -{ - exit(code); -} - -static inline void ft_free(void *ptr, int len) -{ - free(ptr); -} - -static inline u32 min(u32 a, u32 b) -{ - if (a < b) - return a; - return b; -} - -#endif /* _FLATDEVTREE_ENV_H_ */ diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/mk_flatdevtree.c --- a/tools/libxc/powerpc64/mk_flatdevtree.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,648 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright IBM Corporation 2007 - * - * Authors: Ryan Harper <ryanh@xxxxxxxxxx> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <dirent.h> -#include <unistd.h> -#include <libgen.h> -#include <inttypes.h> -#include <math.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/dir.h> -#include <sys/stat.h> -#include <sys/param.h> - -#include <xc_private.h> /* for PERROR() */ -#include <xc_dom.h> - -#include "mk_flatdevtree.h" - -static uint32_t current_phandle = 0; - -static uint32_t get_phandle(void) -{ - return current_phandle++; -} - -static int readfile(const char *fullpath, void *data, int len) -{ - struct stat st; - int saved_errno; - int rc = -1; - int fd; - - if ((fd = open(fullpath, O_RDONLY)) == -1) { - PERROR("%s: failed to open file %s", __func__, fullpath); - return -1; - } - - if ((rc = fstat(fd, &st)) == -1) { - PERROR("%s: failed to stat fd %d", __func__, fd); - goto error; - } - - if (S_ISREG(st.st_mode)) - rc = read(fd, data, len); - - close(fd); - return rc; - -error: - saved_errno = errno; - close(fd); - errno = saved_errno; - return -1; -} - -/* - * @property - string to check against the filter list - * @filter - NULL terminated list of strings - * - * compare @property string to each string in @filter - * - * return 1 if @property matches any filter, otherwise 0 - * - */ -static int match(const char *property, const char **filter) -{ - int i; - - for (i=0; filter[i] != NULL; i++) { - /* compare the filter to property */ - if (strncmp(property, filter[i], strlen(filter[i])) == 0) - return 1; - } - - return 0; -} - -/* - * copy the node at @dirpath filtering out any properties that match in @propfilter - */ -static int copynode(struct ft_cxt *cxt, const char *dirpath, const char **propfilter) -{ - struct dirent *tree; - struct stat st; - DIR *dir; - char fullpath[MAX_PATH]; - char *bname = NULL; - char *basec = NULL; - int saved_errno; - - if ((dir = opendir(dirpath)) == NULL) { - PERROR("%s: failed to open dir %s", __func__, dirpath); - return -1; - } - - while (1) { - if ((tree = readdir(dir)) == NULL) - break; /* reached end of directory entries */ - - /* ignore . and .. */ - if (strcmp(tree->d_name,"." ) == 0 || strcmp(tree->d_name,"..") == 0) - continue; - - /* build full path name of the file, for stat() */ - if (snprintf(fullpath, sizeof(fullpath), "%s/%s", dirpath, - tree->d_name) >= sizeof(fullpath)) { - PERROR("%s: failed to build full path", __func__); - goto error; - } - - /* stat the entry */ - if (stat(fullpath, &st) < 0) { - PERROR("%s: failed to stat file %s", __func__, fullpath); - goto error; - } - - if (S_ISDIR(st.st_mode)) { - /* start a new node for a dir */ - ft_begin_node(cxt, tree->d_name); - - /* copy everything in this dir */ - if (copynode(cxt, fullpath, propfilter) < 0) { - PERROR("%s: failed to copy node @ %s", __func__, fullpath); - goto error; - } - - /* end the node */ - ft_end_node(cxt); - } - /* add files in dir as properties */ - else if (S_ISREG(st.st_mode)) { - - if ((basec = strdup(fullpath)) == NULL) { - PERROR("%s: failed to dupe string", __func__); - goto error; - } - - if ((bname = basename(basec)) == NULL) { - PERROR("%s: basename() failed", __func__); - goto error; - } - - /* only add files that don't match the property filter string */ - if (!match(bname, propfilter)) { - char data[BUFSIZE]; - int len; - - /* snarf the data and push into the property */ - if ((len = readfile(fullpath, data, sizeof(data))) < 0) { - PERROR("%s: failed to read data from file %s", __func__, - fullpath); - goto error; - } - ft_prop(cxt, tree->d_name, data, len); - - } - - /* strdup mallocs memory */ - if (basec != NULL ) { - free(basec); - basec = NULL; - } - - } - } - - closedir(dir); - return 0; - -error: - saved_errno = errno; - - /* strdup mallocs memory */ - if (basec != NULL ) { - free(basec); - basec = NULL; - } - - closedir(dir); - - errno = saved_errno; - return -1; -} - -static int find_cpu0(char *cpupath, int len) -{ - const char path[] = "/proc/device-tree/cpus"; - const char device[] = "device_type"; - const char dev_cpu[] = "cpu"; - const char reg[] = "reg"; - char data[sizeof(dev_cpu)]; - char prop[MAX_PATH]; - char node[MAX_PATH]; - struct dirent *tree; - struct stat st; - DIR* dir; - int saved_errno; - int found = 0; - - if ((dir = opendir(path)) == NULL) { - PERROR("%s: failed to open directory %s", __func__, path); - return -1; - } - - while (!found) { - - if ((tree = readdir(dir)) == NULL) - break; /* reached end of directory entries */ - - /* ignore ., .. */ - if (strcmp(tree->d_name,"." ) == 0 || strcmp(tree->d_name,"..") == 0) - continue; - - /* build full path name of the file, for stat() */ - if (snprintf(node, sizeof(node), "%s/%s", path, - tree->d_name) >= sizeof(node)) { - PERROR("%s: failed to concat strings", __func__); - goto error; - } - - /* stat the entry */ - if (stat(node, &st) < 0) { - PERROR("%s: failed to stat file %s", __func__, node); - /* something funny happen in /proc/device-tree, but march onward */ - continue; - } - - /* for each dir, check the device_type property until we find 'cpu'*/ - if (S_ISDIR(st.st_mode)) { - - /* construct path to device_type */ - if (snprintf(prop, sizeof(prop), "%s/%s", node, - device) >= sizeof(prop)) { - PERROR("%s: failed to concat strings", __func__); - goto error; - } - - /* read device_type into buffer */ - if ((readfile(prop, data, sizeof(data))) < 0) { - PERROR("%s: failed to read data from file %s", __func__, prop); - goto error; - } - - /* if the device_type is 'cpu', and reg is 0 - * return the path where we found it */ - if (strcmp(data, "cpu") == 0) { - - /* construct path to reg */ - if (snprintf(prop, sizeof(prop), "%s/%s", node, - reg) >= sizeof(prop)) { - PERROR("%s: failed to concat strings", __func__); - goto error; - } - - /* using data buffer since reg and device_type values have same size */ - if ((readfile(prop, data, sizeof(data))) < 0) { - PERROR("%s: failed to read data from file %s", __func__, prop); - goto error; - } - - /* now check property "reg" for value 0 */ - if ((u32)*data == 0) { - if (snprintf(cpupath, len, "%s", node) >= len) { - PERROR("%s: failed to copy cpupath", __func__); - goto error; - } - found = 1; - } - } - } - } - - closedir(dir); - return found; - -error: - saved_errno = errno; - closedir(dir); - errno = saved_errno; - return -1; -} - -void free_devtree(struct ft_cxt *root) -{ - if ((root != NULL) && root->bph != NULL) { - free(root->bph); - root->bph = NULL; - } -} - -int make_devtree(struct ft_cxt *root, - struct xc_dom_image *dom, - unsigned long shadow_mb) -{ - struct boot_param_header *bph = NULL; - uint64_t val[2]; - uint32_t val32[2]; - uint64_t shared_info_paddr = dom->shared_info_pfn << PAGE_SHIFT; - uint64_t xenstore_paddr = dom->xenstore_pfn << PAGE_SHIFT; - uint64_t console_paddr = dom->console_pfn << PAGE_SHIFT; - long remaining; - unsigned long ramdisk_start; - unsigned long ramdisk_size; - unsigned long rma_bytes = 1 << dom->realmodearea_log; - int64_t shadow_mb_log; - uint64_t pft_size; - char cpupath[MAX_PATH]; - const char *propfilter[] = { "ibm", "linux,", NULL }; - char *cpupath_copy = NULL; - char *cpuname = NULL; - int saved_errno; - int dtb_fd = -1; - uint32_t cpu0_phandle = get_phandle(); - uint32_t xen_phandle = get_phandle(); - uint32_t rma_phandle = get_phandle(); - - /* initialize bph to prevent double free on error path */ - root->bph = NULL; - - /* carve out space for bph */ - if ((bph = (struct boot_param_header *)malloc(BPH_SIZE)) == NULL) { - PERROR("%s: Failed to malloc bph buffer size", __func__); - goto error; - } - - /* NB: struct ft_cxt root defined at top of file */ - /* root = Tree() */ - ft_begin(root, bph, BPH_SIZE); - - /* you MUST set reservations BEFORE _starting_the_tree_ */ - - /* reserve shared_info_t page */ - if (shared_info_paddr) { - val[0] = cpu_to_be64((u64) shared_info_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_add_rsvmap(root, val[0], val[1]); - } - - /* reserve console page for domU */ - if (console_paddr) { - val[0] = cpu_to_be64((u64) console_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_add_rsvmap(root, val[0], val[1]); - } - - /* reserve xen store page for domU */ - if (xenstore_paddr) { - val[0] = cpu_to_be64((u64) xenstore_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_add_rsvmap(root, val[0], val[1]); - } - - /* reserve space for initrd if needed */ - ramdisk_start = dom->ramdisk_seg.pfn << PAGE_SHIFT; - ramdisk_size = dom->ramdisk_seg.vend - dom->ramdisk_seg.vstart; - if (ramdisk_size > 0) { - val[0] = cpu_to_be64((u64) ramdisk_start); - val[1] = cpu_to_be64((u64) ramdisk_size); - ft_add_rsvmap(root, val[0], val[1]); - } - - /* NB: ft_add_rsvmap() already terminates with a NULL reservation for us */ - - /* done with reservations, _starting_the_tree_ */ - ft_begin_tree(root); - - /* make root node */ - ft_begin_node(root, ""); - - /* root.addprop('device_type', 'chrp-but-not-really\0') */ - ft_prop_str(root, "device_type", "chrp-but-not-really"); - - /* root.addprop('#size-cells', 2) */ - ft_prop_int(root, "#size-cells", 2); - - /* root.addprop('#address-cells', 2) */ - ft_prop_int(root, "#address-cells", 2); - - /* root.addprop('model', 'Momentum,Maple-D\0') */ - ft_prop_str(root, "model", "Momentum,Maple-D"); - - /* root.addprop('compatible', 'Momentum,Maple\0') */ - ft_prop_str(root, "compatible", "Momentum,Maple"); - - /* start chosen node */ - ft_begin_node(root, "chosen"); - - /* chosen.addprop('cpu', cpu0.get_phandle()) */ - ft_prop_int(root, "cpu", cpu0_phandle); - - /* chosen.addprop('rma', rma.get_phandle()) */ - ft_prop_int(root, "memory", rma_phandle); - - /* chosen.addprop('linux,stdout-path', '/xen/console\0') */ - ft_prop_str(root, "linux,stdout-path", "/xen/console"); - - /* chosen.addprop('interrupt-controller, xen.get_phandle()) */ - ft_prop_int(root, "interrupt-controller", xen_phandle); - - /* chosen.addprop('bootargs', imghandler.cmdline + '\0') */ - if (dom->cmdline != NULL) - ft_prop_str(root, "bootargs", dom->cmdline); - - /* mark where the initrd is, if present */ - if (ramdisk_size > 0) { - val[0] = cpu_to_be64((u64) ramdisk_start); - val[1] = cpu_to_be64((u64) ramdisk_start + ramdisk_size); - ft_prop(root, "linux,initrd-start", &(val[0]), sizeof(val[0])); - ft_prop(root, "linux,initrd-end", &(val[1]), sizeof(val[1])); - } - - /* end chosen node */ - ft_end_node(root); - - /* xen = root.addnode('xen') */ - ft_begin_node(root, "xen"); - - /* xen.addprop('version', 'Xen-3.0-unstable\0') */ - ft_prop_str(root, "compatible", "Xen-3.0-unstable"); - - /* xen.addprop('reg', long(imghandler.vm.domid), long(0)) */ - val[0] = cpu_to_be64((u64) dom->guest_domid); - val[1] = cpu_to_be64((u64) 0); - ft_prop(root, "reg", val, sizeof(val)); - - /* point to shared_info_t page base addr */ - val[0] = cpu_to_be64((u64) shared_info_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_prop(root, "shared-info", val, sizeof(val)); - - /* xen.addprop('domain-name', imghandler.vm.getName() + '\0') */ - /* libxc doesn't know the domain name, that is purely a xend thing */ - /* ft_prop_str(root, "domain-name", domain_name); */ - - /* add xen/linux,phandle for chosen/interrupt-controller */ - ft_prop_int(root, "linux,phandle", xen_phandle); - - if (console_paddr != 0) { - /* xencons = xen.addnode('console') */ - ft_begin_node(root, "console"); - - /* console_paddr */ - val[0] = cpu_to_be64((u64) console_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_prop(root, "reg", val, sizeof(val)); - - /* xencons.addprop('interrupts', console_evtchn, 0) */ - val32[0] = cpu_to_be32((u32) dom->console_evtchn); - val32[1] = cpu_to_be32((u32) 0); - ft_prop(root, "interrupts", val32, sizeof(val32)); - - /* end of console */ - ft_end_node(root); - } - - if (xenstore_paddr != 0) { - /* start store node */ - ft_begin_node(root, "store"); - - /* store paddr */ - val[0] = cpu_to_be64((u64) xenstore_paddr); - val[1] = cpu_to_be64((u64) PAGE_SIZE); - ft_prop(root, "reg", val, sizeof(val)); - - /* store event channel */ - val32[0] = cpu_to_be32((u32) dom->xenstore_evtchn); - val32[1] = cpu_to_be32((u32) 0); - ft_prop(root, "interrupts", val32, sizeof(val32)); - - /* end of store */ - ft_end_node(root); - } - - /* end of xen node */ - ft_end_node(root); - - /* rma = root.addnode('memory@0') */ - ft_begin_node(root, "memory@0"); - - /* rma.addprop('reg', long(0), long(rma_bytes)) */ - val[0] = cpu_to_be64((u64) 0); - val[1] = cpu_to_be64((u64) rma_bytes); - ft_prop(root, "reg", val, sizeof(val)); - - /* rma.addprop('device_type', 'memory\0') */ - ft_prop_str(root, "device_type", "memory"); - - /* add linux,phandle for chosen/rma node */ - ft_prop_int(root, "linux,phandle", rma_phandle); - - /* end of memory@0 */ - ft_end_node(root); - - /* calculate remaining bytes from total - rma size */ - remaining = (dom->total_pages << PAGE_SHIFT) - rma_bytes; - - /* memory@<rma_bytes> is all remaining memory after RMA */ - if (remaining > 0) - { - char mem[MAX_PATH]; - - if (snprintf(mem, sizeof(mem), "memory@%lx", - rma_bytes) >= sizeof(mem)) { - PERROR("%s: failed to build memory string", __func__); - goto error; - } - - /* memory@<rma_bytes> is all remaining memory after RMA */ - ft_begin_node(root, mem); - - /* mem.addprop('reg', long(rma_bytes), long(remaining)) */ - val[0] = cpu_to_be64((u64) rma_bytes); - val[1] = cpu_to_be64((u64) remaining); - ft_prop(root, "reg", val, sizeof(val)); - - /* mem.addprop('device_type', 'memory\0') */ - ft_prop_str(root, "device_type", "memory"); - - /* end memory@<rma_bytes> node */ - ft_end_node(root); - } - - /* add CPU nodes */ - /* cpus = root.addnode('cpus') */ - ft_begin_node(root, "cpus"); - - /* cpus.addprop('smp-enabled') */ - ft_prop(root, "smp-enabled", NULL, 0); - - /* cpus.addprop('#size-cells', 0) */ - ft_prop_int(root, "#size-cells", 0); - - /* cpus.addprop('#address-cells', 1) */ - ft_prop_int(root, "#address-cells", 1); - - /* - * Copy all properties the system firmware gave us from a - * CPU node in the device tree. - */ - if (find_cpu0(cpupath, sizeof(cpupath)) <= 0) { - PERROR("%s: failed find cpu0 node in host devtree", __func__); - goto error; - } - - /* get the basename from path to cpu device */ - if ((cpupath_copy = strdup(cpupath)) == NULL) { - PERROR("%s: failed to dupe string", __func__); - goto error; - } - if ((cpuname = basename(cpupath_copy)) == NULL) { - PERROR("%s: basename() failed", __func__); - goto error; - } - - /* start node for the cpu */ - ft_begin_node(root, cpuname); - - /* strdup() mallocs memory */ - if ( cpupath_copy != NULL ) { - free(cpupath_copy); - cpupath_copy = NULL; - } - - /* copy over most properties from host tree for cpu */ - if (copynode(root, cpupath, propfilter) < 0) { - PERROR("%s: failed to copy node", __func__); - goto error; - } - - /* calculate the pft-size */ - shadow_mb_log = (int)log2((double)shadow_mb); - pft_size = shadow_mb_log + 20; - - val32[0] = cpu_to_be32((u32) 0); - val32[1] = cpu_to_be32((u32) pft_size); - ft_prop(root, "ibm,pft-size", val32, sizeof(val32)); - - /* make phandle for cpu0 */ - ft_prop_int(root, "linux,phandle", cpu0_phandle); - - /* end <cpuname> node */ - ft_end_node(root); - - /* end cpus node */ - ft_end_node(root); - - /* end root node */ - ft_end_node(root); - - /* end of the tree */ - if (ft_end_tree(root) != 0) { - PERROR("%s: failed to end tree", __func__); - goto error; - } - - /* write a copy of the tree to a file */ - if ((dtb_fd = creat(DTB_FILE, S_IRUSR | S_IWUSR)) == -1) { - PERROR("%s: failed to open file %s", __func__, DTB_FILE); - goto error; - } - - if (write(dtb_fd, (const void *)bph, bph->totalsize) != bph->totalsize) { - PERROR("%s: failed to write blob to file", __func__); - goto error; - } - - return 0; - -error: - saved_errno = errno; - - /* strdup() mallocs memory */ - if ( cpupath_copy != NULL ) { - free(cpupath_copy); - cpupath_copy = NULL; - } - - /* free bph buffer */ - free_devtree(root); - - if (dtb_fd) - close(dtb_fd); - - errno = saved_errno; - return -1; -} diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/mk_flatdevtree.h --- a/tools/libxc/powerpc64/mk_flatdevtree.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,37 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright IBM Corporation 2007 - * - * Authors: Ryan Harper <ryanh@xxxxxxxxxx> - */ - -#ifndef MK_FLATDEVTREE_H -#define MK_FLATDEVTREE_H - -#include "flatdevtree_env.h" -#include "flatdevtree.h" - -extern void free_devtree(struct ft_cxt *root); -extern int make_devtree(struct ft_cxt *root, - struct xc_dom_image *dom, - unsigned long shadow_mb); - -#define MAX_PATH 200 -#define BUFSIZE 1024 -#define BPH_SIZE 16*1024 -#define DTB_FILE "/tmp/domU.dtb" - -#endif /* MK_FLATDEVTREE_H */ diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/powerpc64/xc_memory.c --- a/tools/libxc/powerpc64/xc_memory.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,42 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation 2006 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include "xc_private.h" -#include <xen/domctl.h> - -int xc_alloc_real_mode_area(int xc_handle, - uint32_t domain, - unsigned int log) -{ - DECLARE_DOMCTL; - int err; - - domctl.cmd = XEN_DOMCTL_real_mode_area; - domctl.domain = (domid_t)domain; - domctl.u.real_mode_area.log = log; - - err = do_domctl(xc_handle, &domctl); - - if (err) - DPRINTF("Failed real mode area allocation for dom %u (log %u)\n", - domain, log); - - return err; -} diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xc_core.h --- a/tools/libxc/xc_core.h Thu May 08 13:15:45 2008 +0100 +++ b/tools/libxc/xc_core.h Thu May 08 13:40:40 2008 +0100 @@ -148,8 +148,6 @@ int xc_core_arch_map_p2m(int xc_handle, # include "xc_core_x86.h" #elif defined (__ia64__) # include "xc_core_ia64.h" -#elif defined (__powerpc__) -# include "xc_core_powerpc.h" #else # error "unsupported architecture" #endif diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xc_core_powerpc.c --- a/tools/libxc/xc_core_powerpc.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,79 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * Copyright IBM Corp. 2007 - * - * Authors: Isaku Yamahata <yamahata at valinux co jp> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - * - */ - -#include "xg_private.h" -#include "xc_core.h" - -int -xc_core_arch_auto_translated_physmap(const xc_dominfo_t *info) -{ - /* All PowerPC domU are autotranslated. */ - return 1; -} - -int -xc_core_arch_map_p2m(int xc_handle, xc_dominfo_t *info, - shared_info_t *live_shinfo, xen_pfn_t **live_p2m, - unsigned long *pfnp) -{ - /* All PowerPC domU are autotranslated. */ - errno = ENOSYS; - return -1; -} - -int -xc_core_arch_memory_map_get(int xc_handle, struct xc_core_arch_context *unused, - xc_dominfo_t *info, shared_info_t *live_shinfo, - xc_core_memory_map_t **mapp, - unsigned int *nr_entries) -{ - xc_core_memory_map_t *map = NULL; - - map = malloc(sizeof(*map)); - if (!map) { - PERROR("Could not allocate memory"); - goto out; - } - - map->addr = 0; - map->size = info->max_memkb * 1024; - - *mapp = map; - *nr_entries = 1; - return 0; - -out: - free(map); - return -1; -} - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xc_core_powerpc.h --- a/tools/libxc/xc_core_powerpc.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,58 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - */ - -#ifndef XC_CORE_POWERPC_H -#define XC_CORE_POWERPC_H - -#define ELF_ARCH_DATA ELFDATA2MSB -#define ELF_ARCH_MACHINE EM_PPC64 - -struct xc_core_arch_context { - /* nothing */ -}; - -#define xc_core_arch_context_init(arch_ctxt) do {} while (0) -#define xc_core_arch_context_free(arch_ctxt) do {} while (0) -#define xc_core_arch_context_get(arch_ctxt, ctxt, xc_handle, domid) \ - (0) -#define xc_core_arch_context_dump(arch_ctxt, args, dump_rtn) (0) -#define xc_core_arch_gpfn_may_present(arch_ctxt, i) (1) - -static inline int -xc_core_arch_context_get_shdr(struct xc_core_arch_context *arch_ctxt, - struct xc_core_section_headers *sheaders, - struct xc_core_strtab *strtab, - uint64_t *filesz, uint64_t offset) -{ - *filesz = 0; - return 0; -} - -#endif /* XC_CORE_POWERPC_H */ - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xc_dom_elfloader.c --- a/tools/libxc/xc_dom_elfloader.c Thu May 08 13:15:45 2008 +0100 +++ b/tools/libxc/xc_dom_elfloader.c Thu May 08 13:40:40 2008 +0100 @@ -43,8 +43,6 @@ static char *xc_dom_guest_type(struct xc return "xen-3.0-x86_64"; case EM_IA_64: return elf_msb(elf) ? "xen-3.0-ia64be" : "xen-3.0-ia64"; - case EM_PPC64: - return "xen-3.0-powerpc64"; default: return "xen-3.0-unknown"; } diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xc_dom_powerpc.c --- a/tools/libxc/xc_dom_powerpc.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,236 +0,0 @@ -/* - * Xen domain builder -- powerpc bits. - * - * Most architecture-specific code for powerpc goes here. - * - * This code is licenced under the GPL. - * written 2006 by Gerd Hoffmann <kraxel@xxxxxxx>. - * - * Copyright IBM Corp. 2007 - * - * Authors: Gerd Hoffmann <kraxel@xxxxxxx> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - * - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <inttypes.h> - -#include <xen/xen.h> - -#include "xg_private.h" -#include "xc_dom.h" -#include "powerpc64/flatdevtree.h" -#include "powerpc64/mk_flatdevtree.h" - -#define RMA_LOG 26 /* 64 MB */ -#define EXTENT_LOG 24 /* 16 MB */ -#define EXTENT_ORDER (EXTENT_LOG - PAGE_SHIFT) - -/* ------------------------------------------------------------------------ */ - -static int alloc_magic_pages(struct xc_dom_image *dom) -{ - struct ft_cxt devtree; - void *guest_devtree; - unsigned long shadow_mb; - int rma_pages; - int rc; - - /* Allocate special pages from the end of the RMA. */ - rma_pages = 1 << (dom->realmodearea_log - PAGE_SHIFT); - dom->shared_info_pfn = --rma_pages; - dom->console_pfn = --rma_pages; - dom->xenstore_pfn = --rma_pages; - - /* Gather shadow allocation info for the device tree. */ - rc = xc_shadow_control(dom->guest_xc, dom->guest_domid, - XEN_DOMCTL_SHADOW_OP_GET_ALLOCATION, NULL, 0, - &shadow_mb, 0, NULL); - if (rc < 0 || shadow_mb == 0) { - xc_dom_printf("Couldn't get shadow allocation size or it was 0.\n"); - return rc; - } - - /* Build device tree. */ - rc = make_devtree(&devtree, dom, shadow_mb); - if (rc < 0) { - xc_dom_printf("Failed to create flattened device tree.\n"); - return rc; - } - - /* Find a spot for it. */ - rc = xc_dom_alloc_segment(dom, &dom->devicetree_seg, "devtree", 0, - devtree.bph->totalsize); - if (rc) - goto out; - - /* Copy the device tree into place. */ - guest_devtree = xc_dom_seg_to_ptr(dom, &dom->devicetree_seg); - if (!guest_devtree) { - xc_dom_printf("Couldn't map guest memory for device tree.\n"); - rc = -1; - goto out; - } - memcpy(guest_devtree, devtree.bph, devtree.bph->totalsize); - -out: - free_devtree(&devtree); - return rc; -} - -static int shared_info(struct xc_dom_image *dom, void *ptr) -{ - shared_info_t *shared_info = ptr; - - xc_dom_printf("%s: called\n", __FUNCTION__); - - memset(shared_info, 0, sizeof(*shared_info)); - return 0; -} - -static int vcpu(struct xc_dom_image *dom, void *ptr) -{ - vcpu_guest_context_t *ctxt = ptr; - - memset(ctxt, 0x55, sizeof(*ctxt)); - ctxt->user_regs.pc = dom->parms.virt_entry; - ctxt->user_regs.msr = 0; - ctxt->user_regs.gprs[1] = 0; /* Linux uses its own stack */ - ctxt->user_regs.gprs[3] = dom->devicetree_seg.pfn << PAGE_SHIFT; - ctxt->user_regs.gprs[4] = dom->kernel_seg.pfn << PAGE_SHIFT; - ctxt->user_regs.gprs[5] = 0; - - /* There is a buggy kernel that does not zero the "local_paca", so - * we must make sure this register is 0 */ - ctxt->user_regs.gprs[13] = 0; - - xc_dom_printf("%s: initial vcpu:\n", __FUNCTION__); - xc_dom_printf(" pc 0x%016"PRIx64", msr 0x%016"PRIx64"\n" - " r1-5 %016"PRIx64" %016"PRIx64" %016"PRIx64" %016"PRIx64 - " %016"PRIx64"\n", - ctxt->user_regs.pc, ctxt->user_regs.msr, - ctxt->user_regs.gprs[1], - ctxt->user_regs.gprs[2], - ctxt->user_regs.gprs[3], - ctxt->user_regs.gprs[4], - ctxt->user_regs.gprs[5]); - - return 0; -} - -/* ------------------------------------------------------------------------ */ - -static struct xc_dom_arch xc_dom_arch = { - .guest_type = "xen-3.0-powerpc64", - .page_shift = PAGE_SHIFT, - .alloc_magic_pages = alloc_magic_pages, - .shared_info = shared_info, - .vcpu = vcpu, -}; - -static void __init register_arch_hooks(void) -{ - xc_dom_register_arch_hooks(&xc_dom_arch); -} - -int arch_setup_meminit(struct xc_dom_image *dom) -{ - xen_pfn_t *extent_list; - unsigned long total_mem = dom->total_pages << PAGE_SHIFT; - unsigned long rma_bytes; - unsigned long rma_nr_pages; - unsigned long nr_extents; - int rc = 0; - int i; - - /* XXX RMA size is processor-dependent. */ - dom->realmodearea_log = RMA_LOG; - rma_bytes = 1 << dom->realmodearea_log; - rma_nr_pages = rma_bytes >> PAGE_SHIFT; - - xc_dom_printf("dom%u memory: %lu MB RMA, %lu MB additional.\n", - dom->guest_domid, rma_bytes >> 20, (total_mem - rma_bytes) >> 20); - - if (total_mem < rma_bytes) { - xc_dom_printf("Domain must have at least %lu MB\n", rma_bytes >> 20); - return -EINVAL; - } - - /* Allocate the first chunk of memory. */ - rc = xc_alloc_real_mode_area(dom->guest_xc, dom->guest_domid, - dom->realmodearea_log); - if (rc) { - xc_dom_printf("Failed to allocate real mode area.\n"); - return rc; - } - - /* Allocate p2m map. */ - dom->p2m_host = xc_dom_malloc(dom, sizeof(xen_pfn_t) * dom->total_pages); - if (dom->p2m_host == NULL) { - xc_dom_printf("Couldn't allocate p2m map.\n"); - return -ENOMEM; - } - - nr_extents = (dom->total_pages - rma_nr_pages) >> EXTENT_ORDER; - if (nr_extents) { - /* Allocate extent list for populate_physmap() call. */ - extent_list = xc_dom_malloc(dom, sizeof(xen_pfn_t) * nr_extents); - if (extent_list == NULL) { - xc_dom_printf("Couldn't allocate extent list.\n"); - return -ENOMEM; - } - - /* Allocate the remaining (non-RMA) memory. */ - for (i = 0; i < nr_extents; i++) { - /* Use PFNs above the RMA memory we already allocated. */ - extent_list[i] = rma_nr_pages + i * (1<<EXTENT_ORDER); - } - rc = xc_domain_memory_populate_physmap(dom->guest_xc, dom->guest_domid, - nr_extents, EXTENT_ORDER, 0, - extent_list); - if (rc < 0) { - xc_dom_printf("populate_physmap(0x%lx extents order %u) -> 0x%x\n", - nr_extents, EXTENT_ORDER, rc); - return rc; - } - } - - /* Populate the p2m map. */ - rc = xc_get_pfn_list(dom->guest_xc, dom->guest_domid, dom->p2m_host, - dom->total_pages); - if (rc < 0) { - xc_dom_printf("Couldn't get p2m translation.\n"); - return rc; - } - - xc_dom_printf("%s: success\n", __func__); - - return 0; -} - -int arch_setup_bootearly(struct xc_dom_image *dom) -{ - xc_dom_printf("%s: doing nothing\n", __FUNCTION__); - return 0; -} - -int arch_setup_bootlate(struct xc_dom_image *dom) -{ - unsigned int page_size = XC_DOM_PAGE_SIZE(dom); - shared_info_t *shared_info; - - /* setup shared_info page */ - xc_dom_printf("%s: shared_info: mfn 0x%" PRIpfn "\n", - __FUNCTION__, dom->shared_info_mfn); - shared_info = xc_map_foreign_range(dom->guest_xc, dom->guest_domid, - page_size, - PROT_READ | PROT_WRITE, - dom->shared_info_mfn); - if ( shared_info == NULL ) - return -1; - dom->arch_hooks->shared_info(dom, shared_info); - munmap(shared_info, page_size); - return 0; -} diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xenctrl.h --- a/tools/libxc/xenctrl.h Thu May 08 13:15:45 2008 +0100 +++ b/tools/libxc/xenctrl.h Thu May 08 13:40:40 2008 +0100 @@ -55,10 +55,6 @@ #define xen_mb() asm volatile ("mf" ::: "memory") #define xen_rmb() asm volatile ("mf" ::: "memory") #define xen_wmb() asm volatile ("mf" ::: "memory") -#elif defined(__powerpc__) -#define xen_mb() asm volatile ("sync" : : : "memory") -#define xen_rmb() asm volatile ("sync" : : : "memory") /* lwsync? */ -#define xen_wmb() asm volatile ("sync" : : : "memory") /* eieio? */ #else #error "Define barriers" #endif @@ -944,11 +940,6 @@ int xc_set_hvm_param(int handle, domid_t int xc_set_hvm_param(int handle, domid_t dom, int param, unsigned long value); int xc_get_hvm_param(int handle, domid_t dom, int param, unsigned long *value); -/* PowerPC specific. */ -int xc_alloc_real_mode_area(int xc_handle, - uint32_t domid, - unsigned int log); - /* IA64 specific, nvram save */ int xc_ia64_save_to_nvram(int xc_handle, uint32_t dom); diff -r 0ac957f9d42e -r b0d7780794eb tools/libxc/xenguest.h --- a/tools/libxc/xenguest.h Thu May 08 13:15:45 2008 +0100 +++ b/tools/libxc/xenguest.h Thu May 08 13:40:40 2008 +0100 @@ -136,18 +136,4 @@ int xc_hvm_build_mem(int xc_handle, const char *image_buffer, unsigned long image_size); -/* PowerPC specific. */ -int xc_prose_build(int xc_handle, - uint32_t domid, - unsigned int mem_mb, - const char *image_name, - const char *ramdisk_name, - const char *cmdline, - const char *features, - unsigned long flags, - unsigned int store_evtchn, - unsigned long *store_mfn, - unsigned int console_evtchn, - unsigned long *console_mfn); - #endif /* XENGUEST_H */ diff -r 0ac957f9d42e -r b0d7780794eb tools/python/xen/lowlevel/xc/xc.c --- a/tools/python/xen/lowlevel/xc/xc.c Thu May 08 13:15:45 2008 +0100 +++ b/tools/python/xen/lowlevel/xc/xc.c Thu May 08 13:40:40 2008 +0100 @@ -1350,28 +1350,6 @@ static PyObject *dom_op(XcObject *self, return zero; } -#ifdef __powerpc__ -static PyObject *pyxc_alloc_real_mode_area(XcObject *self, - PyObject *args, - PyObject *kwds) -{ - uint32_t dom; - unsigned int log; - - static char *kwd_list[] = { "dom", "log", NULL }; - - if ( !PyArg_ParseTupleAndKeywords(args, kwds, "ii", kwd_list, - &dom, &log) ) - return NULL; - - if ( xc_alloc_real_mode_area(self->xc_handle, dom, log) ) - return pyxc_error_to_exception(); - - Py_INCREF(zero); - return zero; -} -#endif /* powerpc */ - static PyMethodDef pyxc_methods[] = { { "handle", (PyCFunction)pyxc_handle, @@ -1759,16 +1737,6 @@ static PyMethodDef pyxc_methods[] = { "Inject debug keys into Xen.\n" " keys [str]: String of keys to inject.\n" }, -#ifdef __powerpc__ - { "arch_alloc_real_mode_area", - (PyCFunction)pyxc_alloc_real_mode_area, - METH_VARARGS | METH_KEYWORDS, "\n" - "Allocate a domain's real mode area.\n" - " dom [int]: Identifier of domain.\n" - " log [int]: Specifies the area's size.\n" - "Returns: [int] 0 on success; -1 on error.\n" }, -#endif /* __powerpc */ - #if defined(__i386__) || defined(__x86_64__) { "domain_check_cpuid", (PyCFunction)pyxc_dom_check_cpuid, diff -r 0ac957f9d42e -r b0d7780794eb tools/python/xen/xend/arch.py --- a/tools/python/xen/xend/arch.py Thu May 08 13:15:45 2008 +0100 +++ b/tools/python/xen/xend/arch.py Thu May 08 13:40:40 2008 +0100 @@ -28,7 +28,5 @@ _types = { "amd64": "x86", "i86pc": "x86", "ia64": "ia64", - "ppc": "powerpc", - "ppc64": "powerpc", } type = _types.get(os.uname()[4], "unknown") diff -r 0ac957f9d42e -r b0d7780794eb tools/python/xen/xend/image.py --- a/tools/python/xen/xend/image.py Thu May 08 13:15:45 2008 +0100 +++ b/tools/python/xen/xend/image.py Thu May 08 13:40:40 2008 +0100 @@ -506,20 +506,6 @@ class LinuxImageHandler(ImageHandler): return args -class PPC_LinuxImageHandler(LinuxImageHandler): - - ostype = "linux" - - def getRequiredShadowMemory(self, shadow_mem_kb, maxmem_kb): - """@param shadow_mem_kb The configured shadow memory, in KiB. - @param maxmem_kb The configured maxmem, in KiB. - @return The corresponding required amount of shadow memory, also in - KiB. - PowerPC currently uses "shadow memory" to refer to the hash table.""" - return max(maxmem_kb / 64, shadow_mem_kb) - - - class HVMImageHandler(ImageHandler): ostype = "hvm" @@ -783,9 +769,6 @@ class X86_Linux_ImageHandler(LinuxImageH return LinuxImageHandler.buildDomain(self) _handlers = { - "powerpc": { - "linux": PPC_LinuxImageHandler, - }, "ia64": { "linux": IA64_Linux_ImageHandler, "hvm": IA64_HVM_ImageHandler, diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/lib/XmTestLib/arch.py --- a/tools/xm-test/lib/XmTestLib/arch.py Thu May 08 13:15:45 2008 +0100 +++ b/tools/xm-test/lib/XmTestLib/arch.py Thu May 08 13:40:40 2008 +0100 @@ -88,39 +88,6 @@ ia_HVMDefaults = {"memory" : } # End : Intel ia32 and ia64 as well as AMD 32-bit and 64-bit processors -# Begin: PowerPC -def ppc_checkBuffer(buffer): - checks = [ - {"pattern" : re.compile("^\d+:mon>\s*$", re.MULTILINE), - "message" : "domain trapped into XMON"}, - ] - - for i in range(0, len(checks)): - check=checks[i] - if check.get('pattern').search(buffer): - FAIL(check.get('message')) - - return - -def ppc_minSafeMem(): - return 64 - -def ppc_getDefaultKernel(): - """Get the path to the default DomU kernel""" - dom0Ver = commands.getoutput("uname -r"); - domUVer = dom0Ver.replace("xen0", "xenU"); - - return "/boot/vmlinux-" + domUVer; - -ppc_ParavirtDefaults = {"memory" : 64, - "vcpus" : 1, - "kernel" : ppc_getDefaultKernel(), - "root" : "/dev/ram0", - "ramdisk" : getRdPath() + "/initrd.img", - "extra" : "xencons=tty128 console=tty128", -} -# End : PowerPC - """Convert from uname specification to a more general platform.""" _uname_to_arch_map = { "i386" : "x86", @@ -129,8 +96,6 @@ _uname_to_arch_map = { "i686" : "x86", "x86_64": "x86_64", "ia64" : "ia64", - "ppc" : "powerpc", - "ppc64" : "powerpc", } # Lookup current platform. @@ -158,10 +123,5 @@ if _arch == "x86" or _arch == "x86_64" o minSafeMem = ia64_minSafeMem configDefaults['memory'] = ia64_minSafeMem() -elif _arch == "powerpc": - minSafeMem = ppc_minSafeMem - getDefaultKernel = ppc_getDefaultKernel - checkBuffer = ppc_checkBuffer - configDefaults = ppc_ParavirtDefaults else: raise ValueError, "Unknown architecture!" diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/lib/XmTestReport/arch.py --- a/tools/xm-test/lib/XmTestReport/arch.py Thu May 08 13:15:45 2008 +0100 +++ b/tools/xm-test/lib/XmTestReport/arch.py Thu May 08 13:40:40 2008 +0100 @@ -30,8 +30,6 @@ _uname_to_arch_map = { "i686" : "x86", "x86_64": "x86_64", "ia64" : "ia64", - "ppc" : "powerpc", - "ppc64" : "powerpc", } _arch = _uname_to_arch_map.get(os.uname()[4], "Unknown") @@ -44,9 +42,5 @@ elif _arch == "ia64": elif _arch == "ia64": cpuValues = {"arch" : "Unknown", "features" : "Unknown"} -elif _arch == "powerpc": - cpuValues = {"cpu" : "Unknown", - "platform" : "Unknown", - "revision" : "Unknown"} else: raise ValueError, "Unknown architecture!" diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/ramdisk/Makefile.am --- a/tools/xm-test/ramdisk/Makefile.am Thu May 08 13:15:45 2008 +0100 +++ b/tools/xm-test/ramdisk/Makefile.am Thu May 08 13:40:40 2008 +0100 @@ -14,7 +14,7 @@ INITRD ?= http://xm-test.xensource.com/ramdisks -BR_ARCH ?= $(shell uname -m | sed -e 's/i.86/i386/' -e 's/ppc\(64\)*/powerpc/' -e 's/x86_64/i386/') +BR_ARCH ?= $(shell uname -m | sed -e 's/i.86/i386/' -e 's/x86_64/i386/') @MK@ifdef BR_SNAPSHOT @MK@ BR_URL = http://buildroot.uclibc.org/downloads/snapshots/buildroot-snapshot.tar.bz2 diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/ramdisk/configs/buildroot-powerpc --- a/tools/xm-test/ramdisk/configs/buildroot-powerpc Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,338 +0,0 @@ -# -# Automatically generated make config: don't edit -# -BR2_HAVE_DOT_CONFIG=y -# BR2_alpha is not set -# BR2_arm is not set -# BR2_armeb is not set -# BR2_cris is not set -# BR2_i386 is not set -# BR2_m68k is not set -# BR2_mips is not set -# BR2_mipsel is not set -# BR2_nios2 is not set -BR2_powerpc=y -# BR2_sh is not set -# BR2_sh64 is not set -# BR2_sparc is not set -# BR2_x86_64 is not set -BR2_ARCH="powerpc" -BR2_ENDIAN="BIG" - -# -# Build options -# -BR2_WGET="wget --passive-ftp" -BR2_SVN="svn co" -BR2_ZCAT="zcat" -BR2_TAR_OPTIONS="" -BR2_DL_DIR="$(BASE_DIR)/dl" -BR2_SOURCEFORGE_MIRROR="easynews" -BR2_STAGING_DIR="$(BUILD_DIR)/staging_dir" -BR2_TOPDIR_PREFIX="" -BR2_TOPDIR_SUFFIX="" -BR2_GNU_BUILD_SUFFIX="pc-linux-gnu" -BR2_GNU_TARGET_SUFFIX="linux-uclibc" -BR2_JLEVEL=1 - -# -# Toolchain Options -# - -# -# Kernel Header Options -# -# BR2_KERNEL_HEADERS_2_4_25 is not set -# BR2_KERNEL_HEADERS_2_4_27 is not set -# BR2_KERNEL_HEADERS_2_4_29 is not set -# BR2_KERNEL_HEADERS_2_4_31 is not set -# BR2_KERNEL_HEADERS_2_6_9 is not set -# BR2_KERNEL_HEADERS_2_6_11 is not set -BR2_KERNEL_HEADERS_2_6_12=y -# BR2_KERNEL_HEADERS_2_6_18 is not set -BR2_DEFAULT_KERNEL_HEADERS="2.6.12" - -# -# uClibc Options -# -# BR2_UCLIBC_VERSION_SNAPSHOT is not set -# BR2_ENABLE_LOCALE is not set -# BR2_PTHREADS_NONE is not set -# BR2_PTHREADS is not set -BR2_PTHREADS_OLD=y -# BR2_PTHREADS_NATIVE is not set - -# -# Binutils Options -# -# BR2_BINUTILS_VERSION_2_14_90_0_8 is not set -# BR2_BINUTILS_VERSION_2_15 is not set -# BR2_BINUTILS_VERSION_2_15_94_0_2_2 is not set -# BR2_BINUTILS_VERSION_2_16_1 is not set -# BR2_BINUTILS_VERSION_2_16_90_0_3 is not set -# BR2_BINUTILS_VERSION_2_16_91_0_5 is not set -# BR2_BINUTILS_VERSION_2_16_91_0_6 is not set -# BR2_BINUTILS_VERSION_2_16_91_0_7 is not set -BR2_BINUTILS_VERSION_2_17=y -# BR2_BINUTILS_VERSION_2_17_50_0_2 is not set -# BR2_BINUTILS_VERSION_2_17_50_0_3 is not set -# BR2_BINUTILS_VERSION_2_17_50_0_4 is not set -# BR2_BINUTILS_VERSION_2_17_50_0_5 is not set -# BR2_BINUTILS_VERSION_2_17_50_0_6 is not set -BR2_BINUTILS_VERSION="2.17" -BR2_EXTRA_BINUTILS_CONFIG_OPTIONS="" - -# -# Gcc Options -# -# BR2_GCC_VERSION_3_3_5 is not set -# BR2_GCC_VERSION_3_3_6 is not set -BR2_GCC_VERSION_3_4_2=y -# BR2_GCC_VERSION_3_4_3 is not set -# BR2_GCC_VERSION_3_4_4 is not set -# BR2_GCC_VERSION_3_4_5 is not set -# BR2_GCC_VERSION_3_4_6 is not set -# BR2_GCC_VERSION_4_0_0 is not set -# BR2_GCC_VERSION_4_0_1 is not set -# BR2_GCC_VERSION_4_0_2 is not set -# BR2_GCC_VERSION_4_0_3 is not set -# BR2_GCC_VERSION_4_1_0 is not set -# BR2_GCC_VERSION_4_1_1 is not set -# BR2_GCC_VERSION_4_2 is not set -# BR2_GCC_IS_SNAP is not set -BR2_GCC_VERSION="3.4.2" -# BR2_GCC_USE_SJLJ_EXCEPTIONS is not set -BR2_EXTRA_GCC_CONFIG_OPTIONS="" -# BR2_INSTALL_LIBSTDCPP is not set -# BR2_INSTALL_OBJC is not set -# BR2_GCC_SHARED_LIBGCC is not set - -# -# Ccache Options -# -BR2_CCACHE=y - -# -# Gdb Options -# -# BR2_PACKAGE_GDB is not set -# BR2_PACKAGE_GDB_SERVER is not set -# BR2_PACKAGE_GDB_HOST is not set - -# -# elf2flt -# -# BR2_ELF2FLT is not set -# BR2_MKLIBS is not set - -# -# Common Toolchain Options -# -# BR2_PACKAGE_SSTRIP_TARGET is not set -# BR2_PACKAGE_SSTRIP_HOST is not set -BR2_ENABLE_MULTILIB=y -BR2_LARGEFILE=y -# BR2_SOFT_FLOAT is not set -BR2_TARGET_OPTIMIZATION="-Os -pipe" -BR2_CROSS_TOOLCHAIN_TARGET_UTILS=y - -# -# Package Selection for the target -# - -# -# The default minimal system -# -BR2_PACKAGE_BUSYBOX=y -# BR2_PACKAGE_BUSYBOX_SNAPSHOT is not set -BR2_PACKAGE_BUSYBOX_INSTALL_SYMLINKS=y -BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox.config" - -# -# The minimum needed to build a uClibc development system -# -# BR2_PACKAGE_BASH is not set -# BR2_PACKAGE_BZIP2 is not set -# BR2_PACKAGE_COREUTILS is not set -# BR2_PACKAGE_DIFFUTILS is not set -# BR2_PACKAGE_ED is not set -# BR2_PACKAGE_FINDUTILS is not set -# BR2_PACKAGE_FLEX is not set -# BR2_PACKAGE_GAWK is not set -# BR2_PACKAGE_GCC_TARGET is not set -# BR2_PACKAGE_CCACHE_TARGET is not set -# BR2_PACKAGE_GREP is not set -# BR2_PACKAGE_MAKE is not set -# BR2_PACKAGE_PATCH is not set -# BR2_PACKAGE_SED is not set -# BR2_PACKAGE_TAR is not set - -# -# Other stuff -# -# BR2_PACKAGE_ACPID is not set -# BR2_PACKAGE_ASTERISK is not set -# BR2_PACKAGE_AT is not set -# BR2_PACKAGE_AUTOCONF is not set -# BR2_PACKAGE_AUTOMAKE is not set -# BR2_PACKAGE_BERKELEYDB is not set -# BR2_PACKAGE_BIND is not set -# BR2_PACKAGE_BISON is not set -# BR2_PACKAGE_BOA is not set -# BR2_PACKAGE_BRIDGE is not set -# BR2_PACKAGE_CUSTOMIZE is not set -# BR2_PACKAGE_ISC_DHCP is not set -# BR2_PACKAGE_DIALOG is not set -# BR2_PACKAGE_DIRECTFB is not set -# BR2_PACKAGE_DISTCC is not set -# BR2_PACKAGE_DM is not set -# BR2_PACKAGE_DMRAID is not set -# BR2_PACKAGE_DNSMASQ is not set -# BR2_PACKAGE_DROPBEAR is not set -# BR2_PACKAGE_ETHTOOL is not set -# BR2_PACKAGE_EXPAT is not set -# BR2_PACKAGE_E2FSPROGS is not set -# BR2_PACKAGE_FAKEROOT is not set -# BR2_PACKAGE_FILE is not set -# BR2_PACKAGE_FREETYPE is not set -# BR2_PACKAGE_GETTEXT is not set -# BR2_PACKAGE_LIBINTL is not set -# BR2_PACKAGE_GZIP is not set -# BR2_PACKAGE_HASERL is not set -# BR2_PACKAGE_HDPARM is not set -# BR2_PACKAGE_HOSTAP is not set -# BR2_PACKAGE_HOTPLUG is not set -# BR2_PACKAGE_IOSTAT is not set -# BR2_PACKAGE_IPROUTE2 is not set -# BR2_PACKAGE_IPSEC_TOOLS is not set -# BR2_PACKAGE_IPTABLES is not set -# BR2_PACKAGE_JPEG is not set -# BR2_PACKAGE_LESS is not set -# BR2_PACKAGE_LIBCGI is not set -# BR2_PACKAGE_LIBCGICC is not set -# BR2_PACKAGE_LIBELF is not set -# BR2_PACKAGE_LIBFLOAT is not set -# BR2_PACKAGE_LIBGLIB12 is not set -# BR2_PACKAGE_LIBMAD is not set -# BR2_PACKAGE_LIBPCAP is not set -# BR2_PACKAGE_LIBPNG is not set -# BR2_PACKAGE_LIBSYSFS is not set -# BR2_PACKAGE_LIBTOOL is not set -# BR2_PACKAGE_LIBUSB is not set -# BR2_PACKAGE_LIGHTTPD is not set -# BR2_PACKAGE_LINKS is not set -# BR2_PACKAGE_LRZSZ is not set -# BR2_PACKAGE_LSOF is not set -# BR2_PACKAGE_LTP-TESTSUITE is not set -# BR2_PACKAGE_LTT is not set -# BR2_PACKAGE_LVM2 is not set -# BR2_PACKAGE_LZO is not set -# BR2_PACKAGE_LZMA is not set -# BR2_PACKAGE_M4 is not set -# BR2_PACKAGE_MDADM is not set -# BR2_PACKAGE_MEMTESTER is not set -# BR2_PACKAGE_MICROCOM is not set -# BR2_PACKAGE_MICROPERL is not set -# BR2_PACKAGE_MICROWIN is not set -# BR2_PACKAGE_MKDOSFS is not set -# BR2_PACKAGE_MODULE_INIT_TOOLS is not set -# BR2_PACKAGE_MODUTILS is not set -# BR2_PACKAGE_MPG123 is not set -# BR2_PACKAGE_MROUTED is not set -# BR2_PACKAGE_MTD is not set -# BR2_PACKAGE_NANO is not set -# BR2_PACKAGE_NBD is not set -# BR2_PACKAGE_NCURSES is not set -# BR2_PACKAGE_NETKITBASE is not set -# BR2_PACKAGE_NETKITTELNET is not set -# BR2_PACKAGE_NETSNMP is not set -# BR2_PACKAGE_NEWT is not set -# BR2_PACKAGE_NTP is not set -# BR2_PACKAGE_OPENNTPD is not set -# BR2_PACKAGE_OPENSSH is not set -# BR2_PACKAGE_OPENSSL is not set -# BR2_PACKAGE_OPENVPN is not set -# BR2_PACKAGE_PCIUTILS is not set -# BR2_PACKAGE_PKGCONFIG is not set -# BR2_PACKAGE_PORTAGE is not set -# BR2_PACKAGE_PORTMAP is not set -# BR2_PACKAGE_PPPD is not set -# BR2_PACKAGE_PROCPS is not set -# BR2_PACKAGE_PSMISC is not set -# BR2_PACKAGE_PYTHON is not set -# BR2_PACKAGE_QTE is not set -BR2_QTE_TMAKE_VERSION="1.13" -# BR2_PACKAGE_RAIDTOOLS is not set -# BR2_READLINE is not set -# BR2_PACKAGE_RSYNC is not set -# BR2_PACKAGE_RUBY is not set -# BR2_PACKAGE_RXVT is not set -# BR2_PACKAGE_SDL is not set -# BR2_PACKAGE_SFDISK is not set -# BR2_PACKAGE_SLANG is not set -# BR2_PACKAGE_SMARTMONTOOLS is not set -# BR2_PACKAGE_SOCAT is not set -# BR2_PACKAGE_SQLITE is not set -# BR2_PACKAGE_STRACE is not set -# BR2_PACKAGE_SUDO is not set -# BR2_PACKAGE_SYSKLOGD is not set -# BR2_PACKAGE_SYSVINIT is not set -# BR2_PACKAGE_TCL is not set -# BR2_PACKAGE_TCPDUMP is not set -# BR2_PACKAGE_TFTPD is not set -# BR2_PACKAGE_THTTPD is not set -# BR2_PACKAGE_TINYLOGIN is not set -# BR2_PACKAGE_TINYX is not set -# BR2_PACKAGE_TN5250 is not set -# BR2_PACKAGE_TTCP is not set -# BR2_PACKAGE_UDEV is not set -# BR2_PACKAGE_UDHCP is not set -# BR2_PACKAGE_UEMACS is not set -# BR2_PACKAGE_USBUTILS is not set -# BR2_PACKAGE_UTIL-LINUX is not set -# BR2_PACKAGE_VALGRIND is not set -# BR2_PACKAGE_VTUN is not set -# BR2_PACKAGE_WGET is not set -# BR2_PACKAGE_WHICH is not set -# BR2_PACKAGE_WIPE is not set -# BR2_PACKAGE_WIRELESS_TOOLS is not set -# BR2_PACKAGE_XFSPROGS is not set -# BR2_PACKAGE_ZLIB is not set -BR2_PACKAGE_HPING=y - -# -# Target Options -# - -# -# filesystem for target device -# -# BR2_TARGET_ROOTFS_CRAMFS is not set -# BR2_TARGET_ROOTFS_CLOOP is not set -BR2_TARGET_ROOTFS_EXT2=y -BR2_TARGET_ROOTFS_EXT2_BLOCKS=0 -BR2_TARGET_ROOTFS_EXT2_INODES=0 -BR2_TARGET_ROOTFS_EXT2_RESBLKS=0 -BR2_TARGET_ROOTFS_EXT2_SQUASH=y -BR2_TARGET_ROOTFS_EXT2_OUTPUT="$(IMAGE).ext2" -# BR2_TARGET_ROOTFS_EXT2_GZ is not set -BR2_TARGET_ROOTFS_EXT2_COPYTO="" -# BR2_TARGET_ROOTFS_JFFS2 is not set -# BR2_TARGET_ROOTFS_SQUASHFS is not set -# BR2_TARGET_ROOTFS_TAR is not set - -# -# bootloader for target device -# -# BR2_TARGET_YABOOT is not set - -# -# Board Support Options -# - -# -# Generic System Support -# -# BR2_TARGET_GENERIC_ACCESS_POINT is not set -# BR2_TARGET_GENERIC_FIREWALL is not set -# BR2_TARGET_GENERIC_DEV_SYSTEM is not set diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/ramdisk/make-release.sh --- a/tools/xm-test/ramdisk/make-release.sh Thu May 08 13:15:45 2008 +0100 +++ b/tools/xm-test/ramdisk/make-release.sh Thu May 08 13:40:40 2008 +0100 @@ -3,9 +3,6 @@ if [ "$1" == "" ] if [ "$1" == "" ] then arch="" -elif [ "$1" == "powerpc" ] -then - arch="BR_ARCH=powerpc" else echo "Invalid architecture specified." >&2 exit 1 diff -r 0ac957f9d42e -r b0d7780794eb tools/xm-test/runtest.sh --- a/tools/xm-test/runtest.sh Thu May 08 13:15:45 2008 +0100 +++ b/tools/xm-test/runtest.sh Thu May 08 13:40:40 2008 +0100 @@ -77,7 +77,7 @@ runnable_tests() { # using the right version realrd=$(readlink ramdisk/initrd.img) eval $(./lib/XmTestReport/xmtest.py) - ARCH=$(uname -m | sed -e s/i.86/i386/ -e 's/ppc\(64\)*/powerpc/') + ARCH=$(uname -m | sed -e s/i.86/i386/) rrdver="initrd-${XM_TEST_MAJ}.${XM_TEST_MIN}-${ARCH}.img" exp_flag=0 realarch=`echo $realrd | awk -F- '{print $3}' | awk -F. '{print $1}'` diff -r 0ac957f9d42e -r b0d7780794eb xen/Rules.mk --- a/xen/Rules.mk Thu May 08 13:15:45 2008 +0100 +++ b/xen/Rules.mk Thu May 08 13:40:40 2008 +0100 @@ -30,8 +30,7 @@ endif # Set ARCH/SUBARCH appropriately. override TARGET_SUBARCH := $(XEN_TARGET_ARCH) override TARGET_ARCH := $(shell echo $(XEN_TARGET_ARCH) | \ - sed -e 's/x86.*/x86/' \ - -e 's/powerpc.*/powerpc/') + sed -e 's/x86.*/x86/') TARGET := $(BASEDIR)/xen diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/0opt.c --- a/xen/arch/powerpc/0opt.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,34 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/lib.h> - -extern void __xchg_called_with_bad_pointer(void); -void __xchg_called_with_bad_pointer(void) -{ - BUG(); -} - -extern void __cmpxchg_called_with_bad_pointer(void); -void __cmpxchg_called_with_bad_pointer(void) -{ - BUG(); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/Makefile --- a/xen/arch/powerpc/Makefile Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,152 +0,0 @@ -ifneq ($(DOM0_IMAGE),) -builtin_dom0 := y -endif - -subdir-$(HAS_PPC64) += powerpc64 -subdir-y += papr - -obj-y += audit.o -obj-y += backtrace.o -obj-y += bitops.o -obj-y += boot_of.o -obj-y += cmdline.o -obj-y += dart.o -obj-y += dart_u3.o -obj-y += dart_u4.o -obj-y += domctl.o -obj-y += domain_build.o -obj-y += domain.o -obj-y += exceptions.o -obj-y += external.o -obj-y += float.o -obj-y += hcalls.o -obj-y += iommu.o -obj-y += irq.o -obj-y += systemsim.o -obj-y += memory.o -obj-y += mm.o -obj-y += mpic.o -obj-y += mpic_init.o -obj-y += multiboot2.o -obj-y += numa.o -obj-y += of-devtree.o -obj-y += of-devwalk.o -obj-y += ofd_fixup.o -obj-y += ofd_fixup_memory.o -obj-y += physdev.o -obj-y += platform.o -obj-y += rtas.o -obj-y += rtas_nvram.o -obj-y += rtas_flash.o -obj-y += setup.o -obj-y += shadow.o -obj-y += smp.o -obj-y += smpboot.o -obj-y += smp-tbsync.o -obj-y += sysctl.o -obj-y += time.o -obj-y += usercopy.o -obj-y += machine_kexec.o -obj-y += crash.o - -obj-$(debug) += 0opt.o -obj-$(crash_debug) += gdbstub.o -obj-$(builtin_dom0) += dom0.o - -obj-y += firmware_image.o - -# These are extra warnings like for the arch/ppc directory but may not -# allow the rest of the tree to build. -PPC_C_WARNINGS += -Wundef -Wmissing-prototypes -Wmissing-declarations -PPC_C_WARNINGS += -Wshadow -CFLAGS += $(PPC_C_WARNINGS) - -# -# The following flags are fed to gcc in order to link several -# objects into a single ELF segment and to not link in any additional -# objects that gcc would normally like to -# -OMAGIC = -nodefaultlibs -nostartfiles -Wl,--omagic - -firmware: of_handler/built_in.o $(TARGET_SUBARCH)/memcpy.o of-devtree.o - $(CC) $(CFLAGS) $(OMAGIC) -e __ofh_start -Wl,-Ttext,0x0 $^ -o $@ - -# -# Link firmware again but this time at the place we expect to load it. -# This makes debugging _way_ easier. -# -firmware.dbg: of_handler/built_in.o $(TARGET_SUBARCH)/memcpy.o of-devtree.o - $(CC) $(CFLAGS) $(OMAGIC) -e __ofh_start -Wl,-Ttext,0x2000000 $^ -o $@ - -firmware_image.bin: firmware firmware.dbg - $(CROSS_COMPILE)objcopy --output-target=binary $< $@ - -# -# Hacks for included C files -# -irq.o: ../x86/irq.c -physdev.o: ../x86/physdev.c -numa.o: ../x86/numa.c - -ifneq ($(CMDLINE),) -# The first token in the arguments will be silently dropped. -FULL_CMDLINE := xen $(CMDLINE) -endif - -ifeq ($(wildcard cmdline.dep),) -cmdline.dep: - echo $(FULL_CMDLINE) > cmdline.dep -else -ifneq ($(FULL_CMDLINE),$(shell cat cmdline.dep)) -cmdline.dep:: - echo $(FULL_CMDLINE) > cmdline.dep -else -cmdline.dep: -endif -endif - -cmdline.o: cmdline.dep -cmdline.o: CFLAGS += -DCMDLINE="\"$(FULL_CMDLINE)\"" - -TARGET_OPTS = $(OMAGIC) -Wl,-T,xen.lds -TARGET_OPTS += start.o $(ALL_OBJS) - -.xen-syms: start.o $(ALL_OBJS) xen.lds - $(MAKE) -f $(BASEDIR)/Rules.mk $(BASEDIR)/common/symbols-dummy.o - $(CC) $(CFLAGS) $(TARGET_OPTS) $(BASEDIR)/common/symbols-dummy.o -o $@ - -NM=$(CROSS_COMPILE)nm -new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) - -ifeq ($(new_nm),y) -NM := $(NM) --synthetic -endif - -xen-syms.S: .xen-syms - $(NM) -n $^ | $(BASEDIR)/tools/symbols > $@ - -xen-syms.o: xen-syms.S - $(CC) $(CFLAGS) -D__ASSEMBLY__ -c $< -o $@ - -$(TARGET)-syms: start.o $(ALL_OBJS) xen-syms.o xen.lds - $(CC) $(CFLAGS) $(TARGET_OPTS) xen-syms.o -o $@ - -# our firmware only loads 32-bit ELF files -OCPYFLAGS := --input-target=elf64-powerpc --output-target=elf32-powerpc -$(TARGET): $(TARGET)-syms - $(CROSS_COMPILE)objcopy $(OCPYFLAGS) $^ $@ - -asm-offsets.s: $(TARGET_SUBARCH)/asm-offsets.c $(HDRS) - $(CC) $(CFLAGS) -S -o $@ $< - -xen.lds: xen.lds.S $(HDRS) - $(CC) -P -E $(AFLAGS) -o $@ $< - -dom0.bin: $(DOM0_IMAGE) - cp $< $@ - -clean:: - $(MAKE) -f $(BASEDIR)/Rules.mk -C of_handler clean - rm -f firmware firmware.dbg firmware_image.bin \ - dom0.bin .xen-syms xen-syms.S \ - xen.lds asm-offsets.s cmdline.dep diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/Rules.mk --- a/xen/arch/powerpc/Rules.mk Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,52 +0,0 @@ -HAS_PPC64 := y - -CC := $(CROSS_COMPILE)gcc -LD := $(CROSS_COMPILE)ld - -# These are goodess that applies to all source. -C_WARNINGS := -Wredundant-decls - -# _no_ common code can have packed data structures or we are in touble. -C_WARNINGS += -Wpacked - -CFLAGS += -m64 -ffreestanding -fno-builtin -fno-common -CFLAGS += -iwithprefix include -Werror -pipe -CFLAGS += -I$(BASEDIR)/include -CFLAGS += -I$(BASEDIR)/include/asm-powerpc/mach-default -CFLAGS += $(C_WARNINGS) -CFLAGS += -msoft-float -O2 -CFLAGS-$(debug) += -O0 # last one wins -CFLAGS-$(papr_vterm) += -DPAPR_VDEVICE -DPAPR_VTERM - -LDFLAGS += -m elf64ppc - -# -# command to embed a binary inside a .o -# -%.o: %.bin - $(CROSS_COMPILE)objcopy --input-target=binary \ - --output-target=elf64-powerpc \ - --binary-architecture=powerpc \ - --redefine-sym _binary_$*_bin_start=$*_start \ - --redefine-sym _binary_$*_bin_end=$*_end \ - --redefine-sym _binary_$*_bin_size=$*_size \ - $< $@ - -HDRS += $(wildcard $(BASEDIR)/include/asm-powerpc/mach-*/*.h) - -# Test for at least GCC v3.2.x. -gcc-ver = $(shell $(CC) -dumpversion | sed -e 's/^\(.\)\.\(.\)\.\(.\)/\$(1)/') -ifeq ($(call gcc-ver,1),1) -$(error gcc-1.x.x unsupported - upgrade to at least gcc-3.2.x) -endif -ifeq ($(call gcc-ver,1),2) -$(error gcc-2.x.x unsupported - upgrade to at least gcc-3.2.x) -endif -ifeq ($(call gcc-ver,1),3) -ifeq ($(call gcc-ver,2),0) -$(error gcc-3.0.x unsupported - upgrade to at least gcc-3.2.x) -endif -ifeq ($(call gcc-ver,2),1) -$(error gcc-3.1.x unsupported - upgrade to at least gcc-3.2.x) -endif -endif diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/audit.c --- a/xen/arch/powerpc/audit.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,47 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#ifndef NDEBUG -#include <xen/lib.h> -#include <xen/sched.h> - -extern void audit_domain(struct domain *d); -extern void audit_domains(void); -extern void audit_domains_key(unsigned char key); - -void audit_domain(struct domain *d) -{ - panic("%s unimplemented\n", __func__); -} - -void audit_domains(void) -{ - struct domain *d; - rcu_read_lock(&domlist_read_lock); - for_each_domain ( d ) - audit_domain(d); - rcu_read_unlock(&domlist_read_lock); -} - -void audit_domains_key(unsigned char key) -{ - audit_domains(); -} -#endif diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/backtrace.c --- a/xen/arch/powerpc/backtrace.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,217 +0,0 @@ -/* - * Routines providing a simple monitor for use on the PowerMac. - * - * Copyright (C) 1996-2005 Paul Mackerras. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <xen/config.h> -#include <xen/lib.h> -#include <xen/console.h> -#include <xen/sched.h> -#include <xen/symbols.h> -#include <asm/debugger.h> - -static char namebuf[KSYM_NAME_LEN+1]; - -/* Shamelessly lifted from Linux Xmon try to keep pristene */ -#ifdef __powerpc64__ -#define LRSAVE_OFFSET 0x10 -#define REG_FRAME_MARKER 0x7265677368657265ul /* "regshere" */ -#define MARKER_OFFSET 0x60 -#define REGS_OFFSET 0x70 -#define REG "%016lX" -#else -#define LRSAVE_OFFSET 4 -#define REG_FRAME_MARKER 0x72656773 -#define MARKER_OFFSET 8 -#define REGS_OFFSET 16 -#define REG "%08lX" -#endif - -#define TRAP(regs) ((regs)->entry_vector & ~0xF) -static int xmon_depth_to_print = 64; - -/* Very cheap human name for vector lookup. */ -static -const char *getvecname(unsigned long vec) -{ - char *ret; - - switch (vec) { - case 0x100: ret = "(System Reset)"; break; - case 0x200: ret = "(Machine Check)"; break; - case 0x300: ret = "(Data Access)"; break; - case 0x380: ret = "(Data SLB Access)"; break; - case 0x400: ret = "(Instruction Access)"; break; - case 0x480: ret = "(Instruction SLB Access)"; break; - case 0x500: ret = "(Hardware Interrupt)"; break; - case 0x600: ret = "(Alignment)"; break; - case 0x700: ret = "(Program Check)"; break; - case 0x800: ret = "(FPU Unavailable)"; break; - case 0x900: ret = "(Decrementer)"; break; - case 0xc00: ret = "(System Call)"; break; - case 0xd00: ret = "(Single Step)"; break; - case 0xf00: ret = "(Performance Monitor)"; break; - case 0xf20: ret = "(Altivec Unavailable)"; break; - case 0x1300: ret = "(Instruction Breakpoint)"; break; - default: ret = ""; - } - return ret; -} - -static int mread(unsigned long adrs, void *buf, int size) -{ - memcpy(buf, (void *)adrs, size); - return size; -} - -static void get_function_bounds(unsigned long pc, unsigned long *startp, - unsigned long *endp) -{ - unsigned long size, offset; - const char *name; - - *startp = *endp = 0; - if (pc == 0) - return; - - name = symbols_lookup(pc, &size, &offset, namebuf); - if (name != NULL) { - *startp = pc - offset; - *endp = pc - offset + size; - } -} - -/* Print an address in numeric and symbolic form (if possible) */ -static void xmon_print_symbol(unsigned long address, const char *mid, - const char *after) -{ - const char *name = NULL; - unsigned long offset, size; - - printk(REG, address); - - name = symbols_lookup(address, &size, &offset, namebuf); - if (name) { - printk("%s%s+%#lx/%#lx", mid, name, offset, size); - } - printk("%s", after); -} - -static void backtrace( - unsigned long sp, unsigned long lr, unsigned long pc) -{ - unsigned long ip; - unsigned long newsp; - unsigned long marker; - int count = 0; - struct cpu_user_regs regs; - - do { - if (sp > xenheap_phys_end) { - if (sp != 0) - printk("SP (%lx) is not in xen space\n", sp); - break; - } - - if (!mread(sp + LRSAVE_OFFSET, &ip, sizeof(unsigned long)) - || !mread(sp, &newsp, sizeof(unsigned long))) { - printk("Couldn't read stack frame at %lx\n", sp); - break; - } - - /* - * For the first stack frame, try to work out if - * LR and/or the saved LR value in the bottommost - * stack frame are valid. - */ - if ((pc | lr) != 0) { - unsigned long fnstart, fnend; - unsigned long nextip; - int printip = 1; - - get_function_bounds(pc, &fnstart, &fnend); - nextip = 0; - if (newsp > sp) - mread(newsp + LRSAVE_OFFSET, &nextip, - sizeof(unsigned long)); - if (lr == ip) { - if (lr >= xenheap_phys_end - || (fnstart <= lr && lr < fnend)) - printip = 0; - } else if (lr == nextip) { - printip = 0; - } else if (lr < xenheap_phys_end - && !(fnstart <= lr && lr < fnend)) { - printk("[link register ] "); - xmon_print_symbol(lr, " ", "\n"); - } - if (printip) { - printk("["REG"] ", sp); - xmon_print_symbol(ip, " ", " (unreliable)\n"); - } - pc = lr = 0; - - } else { - printk("["REG"] ", sp); - xmon_print_symbol(ip, " ", "\n"); - } - - /* Look for "regshere" marker to see if this is - an exception frame. */ - if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) - && marker == REG_FRAME_MARKER) { - if (mread(sp + REGS_OFFSET, ®s, sizeof(regs)) - != sizeof(regs)) { - printk("Couldn't read registers at %lx\n", - sp + REGS_OFFSET); - break; - } - printk("--- Exception: %x %s at ", regs.entry_vector, - getvecname(TRAP(®s))); - pc = regs.pc; - lr = regs.lr; - xmon_print_symbol(pc, " ", "\n"); - } - - if (newsp == 0) - break; - - sp = newsp; - } while (count++ < xmon_depth_to_print); -} - -void show_backtrace(ulong sp, ulong lr, ulong pc) -{ - console_start_sync(); - backtrace(sp, lr, pc); - console_end_sync(); -} - -void show_backtrace_regs(struct cpu_user_regs *regs) -{ - console_start_sync(); - - show_registers(regs); - printk("hid4 0x%016lx\n", regs->hid4); - printk("---[ backtrace ]---\n"); - show_backtrace(regs->gprs[1], regs->lr, regs->pc); - - console_end_sync(); -} - -void dump_execution_state(void) -{ - struct cpu_user_regs *regs = guest_cpu_user_regs(); - - show_registers(regs); - if (regs->msr & MSR_HV) { - printk("In Xen:\n"); - show_backtrace(regs->gprs[1], regs->pc, regs->lr); - } -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/bitops.c --- a/xen/arch/powerpc/bitops.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,94 +0,0 @@ -/* from linux/arch/powerpc/lib/bitops.c */ - -#include <asm/types.h> -#include <asm/bitops.h> - -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) - -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -unsigned long find_next_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - const unsigned long *p = addr + BITOP_WORD(offset); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset %= BITS_PER_LONG; - if (offset) { - tmp = *(p++); - tmp &= (~0UL << offset); - if (size < BITS_PER_LONG) - goto found_first; - if (tmp) - goto found_middle; - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size & ~(BITS_PER_LONG-1)) { - if ((tmp = *(p++))) - goto found_middle; - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp &= (~0UL >> (BITS_PER_LONG - size)); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ -found_middle: - return result + __ffs(tmp); -} - -/* - * This implementation of find_{first,next}_zero_bit was stolen from - * Linus' asm-alpha/bitops.h. - */ -unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, - unsigned long offset) -{ - const unsigned long *p = addr + BITOP_WORD(offset); - unsigned long result = offset & ~(BITS_PER_LONG-1); - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset %= BITS_PER_LONG; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (BITS_PER_LONG - offset); - if (size < BITS_PER_LONG) - goto found_first; - if (~tmp) - goto found_middle; - size -= BITS_PER_LONG; - result += BITS_PER_LONG; - } - while (size & ~(BITS_PER_LONG-1)) { - if (~(tmp = *(p++))) - goto found_middle; - result += BITS_PER_LONG; - size -= BITS_PER_LONG; - } - if (!size) - return result; - tmp = *p; - -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* Are any bits zero? */ - return result + size; /* Nope. */ -found_middle: - return result + ffz(tmp); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/boot_of.c --- a/xen/arch/powerpc/boot_of.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1257 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2006, 2007 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/init.h> -#include <xen/lib.h> -#include <xen/version.h> -#include <xen/spinlock.h> -#include <xen/serial.h> -#include <xen/time.h> -#include <xen/sched.h> -#include <asm/page.h> -#include <asm/io.h> -#include <asm/boot.h> -#include "exceptions.h" -#include "of-devtree.h" -#include "oftree.h" -#include "rtas.h" - -/* Secondary processors use this for handshaking with main processor. */ -volatile unsigned int __spin_ack; - -static ulong of_vec; -static ulong of_msr; -static int of_out; -static ulong eomem; - -/* Track memory during early boot with a limited per-page bitmap. We need an - * allocator to tell us where we can place RTAS, our copy of the device tree. - * We could examine the "available" properties in memory nodes, but we - * apparently can't depend on firmware to update those when we call "claim". So - * we need to track it ourselves. - * We can't dynamically allocate the bitmap, because we would need something - * to tell us where it's safe to allocate... - */ -#define MEM_AVAILABLE_PAGES ((32 << 20) >> PAGE_SHIFT) -static DECLARE_BITMAP(mem_available_pages, MEM_AVAILABLE_PAGES); - -extern struct ns16550_defaults ns16550; - -#undef OF_DEBUG -#undef OF_DEBUG_LOW - -#ifdef OF_DEBUG -#define DBG(args...) of_printf(args) -#else -#define DBG(args...) -#endif - -#ifdef OF_DEBUG_LOW -#define DBG_LOW(args...) of_printf(args) -#else -#define DBG_LOW(args...) -#endif - -#define of_panic(MSG...) \ - do { of_printf(MSG); of_printf("\nHANG\n"); for (;;); } while (0) - -struct of_service { - u32 ofs_service; - u32 ofs_nargs; - u32 ofs_nrets; - u32 ofs_args[10]; -}; - -static int bof_chosen; - -static struct of_service s; - -static int __init of_call( - const char *service, u32 nargs, u32 nrets, s32 rets[], ...) -{ - int rc; - - if (of_vec != 0) { - va_list args; - int i; - memset(&s, 0, sizeof (s)); - s.ofs_service = (ulong)service; - s.ofs_nargs = nargs; - s.ofs_nrets = nrets; - s.ofs_nargs = nargs; - - /* copy all the params into the args array */ - va_start(args, rets); - - for (i = 0; i < nargs; i++) { - s.ofs_args[i] = va_arg(args, u32); - } - - va_end(args); - - rc = prom_call(&s, 0, of_vec, of_msr); - - /* yes always to the copy, just in case */ - for (i = 0; i < nrets; i++) { - rets[i] = s.ofs_args[i + nargs]; - } - } else { - rc = OF_FAILURE; - } - return rc; -} - -/* popular OF methods */ -static int __init _of_write(int ih, const char *addr, u32 len) -{ - int rets[1] = { OF_FAILURE }; - if (of_call("write", 3, 1, rets, ih, addr, len) == OF_FAILURE) { - return OF_FAILURE; - } - return rets[0]; -} - -/* popular OF methods */ -static int __init of_write(int ih, const char *addr, u32 len) -{ - int rc; - int i = 0; - int sum = 0; - - while (i < len) { - if (addr[i] == '\n') { - if (i > 0) { - rc = _of_write(ih, addr, i); - if (rc == OF_FAILURE) - return rc; - sum += rc; - } - rc = _of_write(ih, "\r\n", 2); - if (rc == OF_FAILURE) - return rc; - sum += rc; - i++; - addr += i; - len -= i; - i = 0; - continue; - } - i++; - } - if (len > 0) { - rc = _of_write(ih, addr, len); - if (rc == OF_FAILURE) - return rc; - sum += rc; - } - - return sum; -} - -static int of_printf(const char *fmt, ...) - __attribute__ ((format (printf, 1, 2))); -static int __init of_printf(const char *fmt, ...) -{ - static char buf[1024]; - va_list args; - int sz; - - if (of_out == 0) { - return OF_FAILURE; - } - - va_start(args, fmt); - - sz = vsnprintf(buf, sizeof (buf), fmt, args); - if (sz <= sizeof (buf)) { - of_write(of_out, buf, sz); - } else { - static const char trunc[] = "\n(TRUNCATED)\n"; - - sz = sizeof (buf); - of_write(of_out, buf, sz); - of_write(of_out, trunc, sizeof (trunc)); - } - return sz; -} - -static int __init of_finddevice(const char *devspec) -{ - int rets[1] = { OF_FAILURE }; - - of_call("finddevice", 1, 1, rets, devspec); - if (rets[0] == OF_FAILURE) { - DBG("finddevice %s -> FAILURE %d\n",devspec,rets[0]); - return OF_FAILURE; - } - DBG_LOW("finddevice %s -> %d\n",devspec, rets[0]); - return rets[0]; -} - -static int __init of_getprop(int ph, const char *name, void *buf, u32 buflen) -{ - int rets[1] = { OF_FAILURE }; - - of_call("getprop", 4, 1, rets, ph, name, buf, buflen); - - if (rets[0] == OF_FAILURE) { - DBG_LOW("getprop 0x%x %s -> FAILURE\n", ph, name); - return OF_FAILURE; - } - - DBG_LOW("getprop 0x%x %s -> 0x%x (%s)\n", ph, name, rets[0], (char *)buf); - return rets[0]; -} - -static int __init of_setprop( - int ph, const char *name, const void *buf, u32 buflen) -{ - int rets[1] = { OF_FAILURE }; - - of_call("setprop", 4, 1, rets, ph, name, buf, buflen); - - if (rets[0] == OF_FAILURE) { - DBG("setprop 0x%x %s -> FAILURE\n", ph, name); - return OF_FAILURE; - } - - DBG_LOW("setprop 0x%x %s -> %s\n", ph, name, (char *)buf); - return rets[0]; -} - -/* - * returns 0 if there are no children (of spec) - */ -static int __init of_getchild(int ph) -{ - int rets[1] = { OF_FAILURE }; - - of_call("child", 1, 1, rets, ph); - DBG_LOW("getchild 0x%x -> 0x%x\n", ph, rets[0]); - - return rets[0]; -} - -/* - * returns 0 is there are no peers - */ -static int __init of_getpeer(int ph) -{ - int rets[1] = { OF_FAILURE }; - - of_call("peer", 1, 1, rets, ph); - DBG_LOW("getpeer 0x%x -> 0x%x\n", ph, rets[0]); - - return rets[0]; -} - -static int __init of_getproplen(int ph, const char *name) -{ - int rets[1] = { OF_FAILURE }; - - of_call("getproplen", 2, 1, rets, ph, name); - if (rets[0] == OF_FAILURE) { - DBG("getproplen 0x%x %s -> FAILURE\n", ph, name); - return OF_FAILURE; - } - DBG_LOW("getproplen 0x%x %s -> 0x%x\n", ph, name, rets[0]); - return rets[0]; -} - -static int __init of_package_to_path(int ph, char *buffer, u32 buflen) -{ - int rets[1] = { OF_FAILURE }; - - of_call("package-to-path", 3, 1, rets, ph, buffer, buflen); - if (rets[0] == OF_FAILURE) { - DBG("%s 0x%x -> FAILURE\n", __func__, ph); - return OF_FAILURE; - } - DBG_LOW("%s 0x%x %s -> 0x%x\n", __func__, ph, buffer, rets[0]); - if (rets[0] <= buflen) - buffer[rets[0]] = '\0'; - return rets[0]; -} - -static int __init of_nextprop(int ph, const char *name, void *buf) -{ - int rets[1] = { OF_FAILURE }; - - of_call("nextprop", 3, 1, rets, ph, name, buf); - - if (rets[0] == OF_FAILURE) { - DBG("nextprop 0x%x %s -> FAILURE\n", ph, name); - return OF_FAILURE; - } - - DBG_LOW("nextprop 0x%x %s -> %s\n", ph, name, (char *)buf); - return rets[0]; -} - -static int __init of_instance_to_path(int ih, char *buffer, u32 buflen) -{ - int rets[1] = { OF_FAILURE }; - - if (of_call("instance-to-path", 3, 1, rets, ih, buffer, buflen) - == OF_FAILURE) - return OF_FAILURE; - - if (rets[0] <= buflen) - buffer[rets[0]] = '\0'; - return rets[0]; -} - -static int __init of_start_cpu(int cpu, u32 pc, u32 reg) -{ - int ret; - - ret = of_call("start-cpu", 3, 0, NULL, cpu, pc, reg); - - return ret; -} - -static void __init of_test(const char *of_method_name) -{ - int rets[1] = { OF_FAILURE }; - - of_call("test", 1, 1, rets, of_method_name); - if (rets[0] == OF_FAILURE ) { - of_printf("Warning: possibly no OF method %s.\n" - "(Ignore this warning on PIBS.)\n", of_method_name); - } -} - -static int __init of_claim(u32 virt, u32 size, u32 align) -{ - int rets[1] = { OF_FAILURE }; - - of_call("claim", 3, 1, rets, virt, size, align); - if (rets[0] == OF_FAILURE) { - DBG("%s 0x%08x 0x%08x 0x%08x -> FAIL\n", __func__, virt, size, align); - return OF_FAILURE; - } - - DBG_LOW("%s 0x%08x 0x%08x 0x%08x -> 0x%08x\n", __func__, virt, size, align, - rets[0]); - return rets[0]; -} - -static int __init of_instance_to_package(int ih) -{ - int rets[1] = { OF_FAILURE }; - - of_call("instance-to-package", 1, 1, rets, ih); - if (rets[0] == OF_FAILURE) - return OF_FAILURE; - - return rets[0]; -} - -static int __init of_getparent(int ph) -{ - int rets[1] = { OF_FAILURE }; - - of_call("parent", 1, 1, rets, ph); - - DBG_LOW("getparent 0x%x -> 0x%x\n", ph, rets[0]); - return rets[0]; -} - -static int __init of_open(const char *devspec) -{ - int rets[1] = { OF_FAILURE }; - - of_call("open", 1, 1, rets, devspec); - return rets[0]; -} - -static void boot_of_alloc_init(int m, uint addr_cells, uint size_cells) -{ - int rc; - uint pg; - uint a[64]; - int tst; - u64 start; - u64 size; - - rc = of_getprop(m, "available", a, sizeof (a)); - if (rc > 0) { - int l = rc / sizeof(a[0]); - int r = 0; - -#ifdef OF_DEBUG - { - int i; - of_printf("avail:\n"); - for (i = 0; i < l; i += 4) - of_printf(" 0x%x%x, 0x%x%x\n", - a[i], a[i + 1], - a[i + 2] ,a[i + 3]); - } -#endif - - pg = 0; - while (pg < MEM_AVAILABLE_PAGES && r < l) { - ulong end; - - start = a[r++]; - if (addr_cells == 2 && (r < l) ) - start = (start << 32) | a[r++]; - - size = a[r++]; - if (size_cells == 2 && (r < l) ) - size = (size << 32) | a[r++]; - - end = ALIGN_DOWN(start + size, PAGE_SIZE); - - start = ALIGN_UP(start, PAGE_SIZE); - - DBG("%s: marking 0x%x - 0x%lx\n", __func__, - pg << PAGE_SHIFT, start); - - start >>= PAGE_SHIFT; - while (pg < MEM_AVAILABLE_PAGES && pg < start) { - set_bit(pg, mem_available_pages); - pg++; - } - - pg = end >> PAGE_SHIFT; - } - } - - /* Now make sure we mark our own memory */ - pg = (ulong)_start >> PAGE_SHIFT; - start = (ulong)_end >> PAGE_SHIFT; - - DBG("%s: marking 0x%x - 0x%lx\n", __func__, - pg << PAGE_SHIFT, start << PAGE_SHIFT); - - /* Lets try and detect if our image has stepped on something. It - * is possible that FW has already subtracted our image from - * available memory so we must make sure that the previous bits - * are the same for the whole image */ - tst = test_and_set_bit(pg, mem_available_pages); - ++pg; - while (pg <= start) { - if (test_and_set_bit(pg, mem_available_pages) != tst) - of_panic("%s: pg :0x%x of our image is different\n", - __func__, pg); - ++pg; - } - - DBG("%s: marking 0x%x - 0x%x\n", __func__, - 0 << PAGE_SHIFT, 3 << PAGE_SHIFT); - /* First for pages (where the vectors are) should be left alone as well */ - set_bit(0, mem_available_pages); - set_bit(1, mem_available_pages); - set_bit(2, mem_available_pages); - set_bit(3, mem_available_pages); -} - -#ifdef BOOT_OF_FREE -/* this is here in case we ever need a free call at a later date */ -static void boot_of_free(ulong addr, ulong size) -{ - ulong bits; - ulong pos; - ulong i; - - size = ALIGN_UP(size, PAGE_SIZE); - bits = size >> PAGE_SHIFT; - pos = addr >> PAGE_SHIFT; - - for (i = 0; i < bits; i++) { - if (!test_and_clear_bit(pos + i, mem_available_pages)) - of_panic("%s: pg :0x%lx was never allocated\n", - __func__, pos + i); - } -} -#endif - -static ulong boot_of_alloc(ulong size) -{ - ulong bits; - ulong pos; - - if (size == 0) - return 0; - - DBG("%s(0x%lx)\n", __func__, size); - - size = ALIGN_UP(size, PAGE_SIZE); - bits = size >> PAGE_SHIFT; - pos = 0; - for (;;) { - ulong i; - - pos = find_next_zero_bit(mem_available_pages, - MEM_AVAILABLE_PAGES, pos); - DBG("%s: found start bit at: 0x%lx\n", __func__, pos); - - /* found nothing */ - if ((pos + bits) > MEM_AVAILABLE_PAGES) { - of_printf("%s: allocation of size: 0x%lx failed\n", - __func__, size); - return 0; - } - - /* find a set that fits */ - DBG("%s: checking for 0x%lx bits: 0x%lx\n", __func__, bits, pos); - - i = find_next_bit(mem_available_pages, MEM_AVAILABLE_PAGES, pos); - if (i - pos >= bits) { - uint addr = pos << PAGE_SHIFT; - - /* make sure OF is happy with our choice */ - if (of_claim(addr, size, 0) != OF_FAILURE) { - for (i = 0; i < bits; i++) - set_bit(pos + i, mem_available_pages); - - DBG("%s: 0x%lx is good returning 0x%x\n", - __func__, pos, addr); - return addr; - } - /* if OF did not like the address then simply start from - * the next bit */ - i = 1; - } - - pos = pos + i; - } -} - -int boot_of_mem_avail(int pos, ulong *startpage, ulong *endpage) -{ - ulong freebit; - ulong usedbit; - - if (pos >= MEM_AVAILABLE_PAGES) - /* Stop iterating. */ - return -1; - - /* Find first free page. */ - freebit = find_next_zero_bit(mem_available_pages, MEM_AVAILABLE_PAGES, pos); - if (freebit >= MEM_AVAILABLE_PAGES) { - /* We know everything after MEM_AVAILABLE_PAGES is still free. */ - *startpage = MEM_AVAILABLE_PAGES << PAGE_SHIFT; - *endpage = ~0UL; - return freebit; - } - *startpage = freebit << PAGE_SHIFT; - - /* Now find first used page after that. */ - usedbit = find_next_bit(mem_available_pages, MEM_AVAILABLE_PAGES, freebit); - if (usedbit >= MEM_AVAILABLE_PAGES) { - /* We know everything after MEM_AVAILABLE_PAGES is still free. */ - *endpage = ~0UL; - return usedbit; - } - - *endpage = usedbit << PAGE_SHIFT; - return usedbit; -} - -static ulong boot_of_mem_init(void) -{ - int root; - int p; - int rc; - uint addr_cells; - uint size_cells; - - root = of_finddevice("/"); - p = of_getchild(root); - - /* code is writen to assume sizes of 1 */ - of_getprop(root, "#address-cells", &addr_cells, - sizeof (addr_cells)); - of_getprop(root, "#size-cells", &size_cells, - sizeof (size_cells)); - DBG("%s: address_cells=%d size_cells=%d\n", - __func__, addr_cells, size_cells); - - /* We do ream memory discovery later, for now we only want to find - * the first LMB */ - do { - const char memory[] = "memory"; - char type[32]; - - type[0] = '\0'; - - of_getprop(p, "device_type", type, sizeof (type)); - if (strncmp(type, memory, sizeof (memory)) == 0) { - uint reg[48]; - u64 start; - u64 size; - int r; - int l; - - rc = of_getprop(p, "reg", reg, sizeof (reg)); - if (rc == OF_FAILURE) { - of_panic("no reg property for memory node: 0x%x.\n", p); - } - - l = rc / sizeof(reg[0]); /* number reg element */ - DBG("%s: number of bytes in property 'reg' %d\n", - __func__, rc); - - r = 0; - while (r < l) { - start = reg[r++]; - if (addr_cells == 2 && (r < l) ) - start = (start << 32) | reg[r++]; - - if (r >= l) - break; /* partial line. Skip */ - - if (start > 0) { - /* this is not the first LMB so we skip it */ - break; - } - - size = reg[r++]; - if (size_cells == 2 && (r < l) ) - size = (size << 32) | reg[r++]; - - if (r > l) - break; /* partial line. Skip */ - - boot_of_alloc_init(p, addr_cells, size_cells); - - eomem = size; - return size; - } - } - p = of_getpeer(p); - } while (p != OF_FAILURE && p != 0); - - return 0; -} - -static int save_props(void *m, ofdn_t n, int pkg) -{ - int ret; - char name[128]; - int result = 1; - int found_name = 0; - int found_device_type = 0; - const char name_str[] = "name"; - const char devtype_str[] = "device_type"; - - /* get first */ - result = of_nextprop(pkg, 0, name); - - while (result > 0) { - int sz; - u64 obj[1024]; - - sz = of_getproplen(pkg, name); - if (sz >= 0) { - ret = OF_SUCCESS; - } else { - ret = OF_FAILURE; - } - - if (ret == OF_SUCCESS) { - int actual = 0; - ofdn_t pos; - - if (sz > 0) { - if (sz > sizeof (obj)) { - of_panic("obj array not big enough for 0x%x\n", sz); - } - actual = of_getprop(pkg, name, obj, sz); - if (actual > sz) - of_panic("obj too small"); - } - - if (strncmp(name, name_str, sizeof(name_str)) == 0) { - found_name = 1; - } - - if (strncmp(name, devtype_str, sizeof(devtype_str)) == 0) { - found_device_type = 1; - } - - pos = ofd_prop_add(m, n, name, obj, actual); - if (pos == 0) - of_panic("prop_create"); - } - - result = of_nextprop(pkg, name, name); - } - - return 1; -} - - -static void do_pkg(void *m, ofdn_t n, int p, char *path, size_t psz) -{ - int pnext; - ofdn_t nnext; - int sz; - -retry: - save_props(m, n, p); - - /* do children first */ - pnext = of_getchild(p); - - if (pnext != 0) { - sz = of_package_to_path(pnext, path, psz); - if (sz == OF_FAILURE) - of_panic("bad path\n"); - - nnext = ofd_node_child_create(m, n, path, sz); - if (nnext == 0) - of_panic("out of mem\n"); - - do_pkg(m, nnext, pnext, path, psz); - } - - /* do peer */ - pnext = of_getpeer(p); - - if (pnext != 0) { - sz = of_package_to_path(pnext, path, psz); - - nnext = ofd_node_peer_create(m, n, path, sz); - if (nnext <= 0) - of_panic("out of space in OFD tree.\n"); - - n = nnext; - p = pnext; - goto retry; - } -} - -static long pkg_save(void *mem) -{ - int root; - char path[256]; - int r; - - path[0]='/'; - path[1]='\0'; - - /* get root */ - root = of_getpeer(0); - if (root == OF_FAILURE) - of_panic("no root package\n"); - - do_pkg(mem, OFD_ROOT, root, path, sizeof(path)); - - r = ofd_size(mem); - - of_printf("%s: saved device tree in 0x%x bytes\n", __func__, r); - - return r; -} - -static int boot_of_fixup_refs(void *mem) -{ - static const char *fixup_props[] = { - "interrupt-parent", - }; - int i; - int count = 0; - - for (i = 0; i < ARRAY_SIZE(fixup_props); i++) { - ofdn_t c; - const char *name = fixup_props[i]; - - c = ofd_node_find_by_prop(mem, OFD_ROOT, name, NULL, 0); - while (c > 0) { - const char *path; - int rp; - int ref; - ofdn_t dp; - int rc; - ofdn_t upd; - char ofpath[256]; - - path = ofd_node_path(mem, c); - if (path == NULL) - of_panic("no path to found prop: %s\n", name); - - rp = of_finddevice(path); - if (rp == OF_FAILURE) - of_panic("no real device for: name %s, path %s\n", - name, path); - /* Note: In theory 0 is a valid node handle but it is highly - * unlikely. - */ - if (rp == 0) { - of_panic("%s: of_finddevice returns 0 for path %s\n", - __func__, path); - } - - rc = of_getprop(rp, name, &ref, sizeof(ref)); - if ((rc == OF_FAILURE) || (rc == 0)) - of_panic("no prop: name %s, path %s, device 0x%x\n", - name, path, rp); - - rc = of_package_to_path(ref, ofpath, sizeof (ofpath)); - if (rc == OF_FAILURE) - of_panic("no package: name %s, path %s, device 0x%x,\n" - "ref 0x%x\n", name, path, rp, ref); - - dp = ofd_node_find(mem, ofpath); - if (dp <= 0) - of_panic("no ofd node for OF node[0x%x]: %s\n", - ref, ofpath); - - ref = dp; - - upd = ofd_prop_add(mem, c, name, &ref, sizeof(ref)); - if (upd <= 0) - of_panic("update failed: %s\n", name); - -#ifdef DEBUG - of_printf("%s: %s/%s -> %s\n", __func__, - path, name, ofpath); -#endif - ++count; - c = ofd_node_find_next(mem, c); - } - } - return count; -} - -static int boot_of_fixup_chosen(void *mem) -{ - int ch; - ofdn_t dn; - ofdn_t dc; - int val; - int rc; - char ofpath[256]; - - ch = of_finddevice("/chosen"); - if (ch == OF_FAILURE) - of_panic("/chosen not found\n"); - - rc = of_getprop(ch, "cpu", &val, sizeof (val)); - - if (rc != OF_FAILURE) { - rc = of_instance_to_path(val, ofpath, sizeof (ofpath)); - - if (rc > 0) { - dn = ofd_node_find(mem, ofpath); - if (dn <= 0) - of_panic("no node for: %s\n", ofpath); - - ofd_boot_cpu = dn; - val = dn; - - dn = ofd_node_find(mem, "/chosen"); - if (dn <= 0) - of_panic("no /chosen node\n"); - - dc = ofd_prop_add(mem, dn, "cpu", &val, sizeof (val)); - if (dc <= 0) - of_panic("could not fix /chosen/cpu\n"); - rc = 1; - } else { - of_printf("*** can't find path to booting cpu, " - "SMP is disabled\n"); - ofd_boot_cpu = -1; - } - } - return rc; -} - -/* PIBS Version 1.05.0000 04/26/2005 has an incorrect /ht/isa/ranges - * property. The values are bad, and it doesn't even have the - * right number of cells. */ - -static void __init boot_of_fix_maple(void) -{ - int isa; - const char *ranges = "ranges"; - u32 isa_ranges[3]; - const u32 isa_test[] = { 0x00000001, 0xf4000000, 0x00010000 }; - const u32 isa_fixed[] = { - 0x00000001, - 0x00000000, - 0x00000000, /* 0xf4000000, matt says this */ - 0x00000000, - 0x00000000, - 0x00010000 - }; - - isa = of_finddevice("/ht@0/isa@4"); - if (isa != OF_FAILURE) { - if (of_getproplen(isa, ranges) == sizeof (isa_test)) { - of_getprop(isa, ranges, isa_ranges, sizeof (isa_ranges)); - if (memcmp(isa_ranges, isa_test, sizeof (isa_test)) == 0) { - int rc; - - of_printf("OF: fixing bogus ISA range on maple\n"); - rc = of_setprop(isa, ranges, isa_fixed, sizeof (isa_fixed)); - if (rc == OF_FAILURE) { - of_panic("of_setprop() failed\n"); - } - } - } - } -} - -void __init boot_of_serial(void *oft) -{ - int n; - int p; - int rc; - u32 val[3]; - char buf[128]; - - n = of_instance_to_package(of_out); - if (n == OF_FAILURE) { - of_panic("instance-to-package of /chosen/stdout: failed\n"); - } - - /* Prune all serial devices from the device tree, including the - * one pointed to by /chosen/stdout, because a guest domain can - * initialize them and in so doing corrupt our console output. - */ - for (p = n; p > 0; p = of_getpeer(p)) { - char type[32]; - - rc = of_package_to_path(p, buf, sizeof(buf)); - if (rc == OF_FAILURE) - of_panic("package-to-path failed\n"); - - rc = of_getprop(p, "device_type", type, sizeof (type)); - if (rc == OF_FAILURE) { - of_printf("%s: fetching type of `%s' failed\n", __func__, buf); - continue; - } - - if (strcmp(type, "serial") != 0) - continue; - - of_printf("pruning `%s' from devtree\n", buf); - rc = ofd_prune_path(oft, buf); - if (rc < 0) - of_panic("prune of `%s' failed\n", buf); - } - - p = of_getparent(n); - if (p == OF_FAILURE) { - of_panic("no parent for: 0x%x\n", n); - } - - buf[0] = '\0'; - of_getprop(p, "device_type", buf, sizeof (buf)); - if (strstr(buf, "isa") == NULL) { - of_panic("only ISA UARTS supported\n"); - } - - /* should get this from devtree */ - isa_io_base = 0xf4000000; - of_printf("%s: ISA base: 0x%lx\n", __func__, isa_io_base); - - buf[0] = '\0'; - of_getprop(n, "device_type", buf, sizeof (buf)); - if (strstr(buf, "serial") == NULL) { - of_panic("only UARTS supported\n"); - } - - rc = of_getprop(n, "reg", val, sizeof (val)); - if (rc == OF_FAILURE) { - of_panic("%s: no location for serial port\n", __func__); - } - - ns16550.baud = BAUD_AUTO; - ns16550.data_bits = 8; - ns16550.parity = 'n'; - ns16550.stop_bits = 1; - - rc = of_getprop(n, "interrupts", val, sizeof (val)); - if (rc == OF_FAILURE) { - of_printf("%s: no ISRC, forcing poll mode\n", __func__); - ns16550.irq = 0; - } else { - ns16550.irq = val[0]; - of_printf("%s: ISRC=0x%x, but forcing poll mode\n", - __func__, ns16550.irq); - ns16550.irq = 0; - } -} - -static int __init boot_of_rtas(void) -{ - int rtas_node; - int rtas_instance; - uint size = 0; - int res[2]; - int mem; - int ret; - - rtas_node = of_finddevice("/rtas"); - - if (rtas_node <= 0) { - of_printf("No RTAS, Xen has no power control\n"); - return 0; - } - of_getprop(rtas_node, "rtas-size", &size, sizeof (size)); - if (size == 0) { - of_printf("RTAS, has no size\n"); - return 0; - } - - rtas_instance = of_open("/rtas"); - if (rtas_instance == OF_FAILURE) { - of_printf("RTAS, could not open\n"); - return 0; - } - - size = ALIGN_UP(size, PAGE_SIZE); - - mem = boot_of_alloc(size); - if (mem == 0) - of_panic("Could not allocate RTAS tree\n"); - - of_printf("instantiating RTAS at: 0x%x\n", mem); - - ret = of_call("call-method", 3, 2, res, - "instantiate-rtas", rtas_instance, mem); - if (ret == OF_FAILURE) { - of_printf("RTAS, could not open\n"); - return 0; - } - - rtas_entry = res[1]; - rtas_base = mem; - rtas_end = mem + size; - rtas_msr = of_msr; - - return 1; -} - -void __init *boot_of_devtree(void) -{ - void *oft; - ulong oft_sz = 48 * PAGE_SIZE; - ulong alloc_sz = 32 << 10; /* 32KiB should be plenty */ - ulong sz; - - /* snapshot the tree */ - oft = (void *)boot_of_alloc(alloc_sz); - if (oft == NULL) - of_panic("Could not allocate OFD tree\n"); - - of_printf("creating oftree at: 0x%p\n", oft); - of_test("package-to-path"); - oft = ofd_create(oft, alloc_sz); - pkg_save(oft); - sz = ofd_size(oft); - - if (sz > alloc_sz) - of_panic("Could not fit all of native devtree in 0x%lx of memory\n", - alloc_sz); - - boot_of_fixup_refs(oft); - boot_of_fixup_chosen(oft); - - if (sz > alloc_sz) - of_panic("Could not fit all devtree fixupsin 0x%lx of memory\n", - alloc_sz); - - ofd_walk(oft, __func__, OFD_ROOT, /* add_hype_props */ NULL, 2); - - oftree = (ulong)oft; - oftree = (ulong)oft + oft_sz; - oftree_len = oft_sz; - - return oft; -} - -static int __init boot_of_cpus(void) -{ - int cpus_node, cpu_node; - int bootcpu_instance, bootcpu_node; - int logical; - int result; - s32 cpuid; - u32 cpu_clock[2]; - extern uint cpu_hard_id[NR_CPUS]; - u32 tbf; - - /* Look up which CPU we are running on right now and get all info - * from there */ - result = of_getprop(bof_chosen, "cpu", - &bootcpu_instance, sizeof (bootcpu_instance)); - if (result == OF_FAILURE) - of_panic("Failed to look up boot cpu instance\n"); - - bootcpu_node = of_instance_to_package(bootcpu_instance); - if (result == OF_FAILURE) - of_panic("Failed to look up boot cpu package\n"); - - cpu_node = bootcpu_node; - - result = of_getprop(cpu_node, "timebase-frequency", &tbf, sizeof(tbf)); - timebase_freq = tbf; - if (result == OF_FAILURE) { - of_panic("Couldn't get timebase frequency!\n"); - } - of_printf("OF: timebase-frequency = %ld Hz\n", timebase_freq); - - result = of_getprop(cpu_node, "clock-frequency", - &cpu_clock, sizeof(cpu_clock)); - if (result == OF_FAILURE || (result !=4 && result != 8)) { - of_panic("Couldn't get clock frequency!\n"); - } - cpu_khz = cpu_clock[0]; - if (result == 8) { - cpu_khz <<= 32; - cpu_khz |= cpu_clock[1]; - } - cpu_khz /= 1000; - of_printf("OF: clock-frequency = %ld KHz\n", cpu_khz); - - /* We want a continuous logical cpu number space and we'll make - * the booting CPU logical 0. */ - cpu_set(0, cpu_present_map); - cpu_set(0, cpu_online_map); - cpu_set(0, cpu_possible_map); - - result = of_getprop(cpu_node, "reg", &cpuid, sizeof(cpuid)); - cpu_hard_id[0] = cpuid; - - /* Spin up all CPUS, even if there are more than NR_CPUS or we are - * runnign nosmp, because Open Firmware has them spinning on cache - * lines which will eventually be scrubbed, which could lead to - * random CPU activation. - */ - - /* Find the base of the multi-CPU package node */ - cpus_node = of_finddevice("/cpus"); - if (cpus_node <= 0) { - of_printf("Single Processor System\n"); - return 1; - } - /* Start with the first child */ - cpu_node = of_getchild(cpus_node); - - for (logical = 1; cpu_node > 0; logical++) { - unsigned int ping, pong; - unsigned long now, then, timeout; - - if (cpu_node == bootcpu_node) { - /* same CPU as boot CPU shich we have already made 0 so - * reduce the logical count */ - --logical; - } else { - result = of_getprop(cpu_node, "reg", &cpuid, sizeof(cpuid)); - if (result == OF_FAILURE) - of_panic("cpuid lookup failed\n"); - - cpu_hard_id[logical] = cpuid; - - of_printf("spinning up secondary processor #%d: ", logical); - - __spin_ack = ~0x0; - ping = __spin_ack; - pong = __spin_ack; - of_printf("ping = 0x%x: ", ping); - - mb(); - result = of_start_cpu(cpu_node, (ulong)spin_start, logical); - if (result == OF_FAILURE) - of_panic("start cpu failed\n"); - - /* We will give the secondary processor five seconds to reply. */ - then = mftb(); - timeout = then + (5 * timebase_freq); - - do { - now = mftb(); - if (now >= timeout) { - of_printf("BROKEN: "); - break; - } - - mb(); - pong = __spin_ack; - } while (pong == ping); - of_printf("pong = 0x%x\n", pong); - - if (pong != ping) { - cpu_set(logical, cpu_present_map); - cpu_set(logical, cpu_possible_map); - } - } - cpu_node = of_getpeer(cpu_node); - } - return 1; -} - -void __init boot_of_init(ulong vec, ulong orig_msr) -{ - int r; - - of_vec = vec; - of_msr = orig_msr; - - if (is_kernel(vec)) { - of_panic("Hmm.. OF[0x%lx] seems to have stepped on our image " - "that ranges: %p .. %p.\n", - vec, _start, _end); - } - of_printf("%s: _start %p _end %p\n", __func__, _start, _end); - - bof_chosen = of_finddevice("/chosen"); - of_getprop(bof_chosen, "stdout", &of_out, sizeof (of_out)); - - of_printf("%s\n", "---------------------------------------------------"); - of_printf("OF: Xen/PPC version %d.%d%s (%s@%s) (%s) %s\n", - xen_major_version(), xen_minor_version(), xen_extra_version(), - xen_compile_by(), xen_compile_domain(), - xen_compiler(), xen_compile_date()); - - boot_of_fix_maple(); - r = boot_of_mem_init(); - if (r == 0) - of_panic("failure to initialize memory allocator"); - - boot_of_rtas(); - boot_of_cpus(); -} - -void __init boot_of_finish(void) -{ - /* end of OF */ - of_printf("Quiescing Open Firmware ...\n"); - of_call("quiesce", 0, 0, NULL); -} - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/cmdline.c --- a/xen/arch/powerpc/cmdline.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,24 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2006 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <asm/config.h> - -char builtin_cmdline[CONFIG_CMDLINE_SIZE] - __attribute__((section("__builtin_cmdline"))) = CMDLINE; diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/crash.c --- a/xen/arch/powerpc/crash.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,20 +0,0 @@ -#include <xen/lib.h> /* for printk() used in stub */ -#include <xen/types.h> -#include <xen/kexec.h> -#include <public/kexec.h> - -void machine_crash_shutdown(void) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); -} - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ - diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/dart.c --- a/xen/arch/powerpc/dart.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,297 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/mm.h> -#include <asm/cache.h> -#include <xen/init.h> -#include "tce.h" -#include "iommu.h" -#include "dart.h" -#include "oftree.h" -#include "of-devtree.h" - -#undef DEBUG -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -static int dbg_after; -#define DBG_SET_AFTER dbg_after = 1; -#define DBG_AFTER(fmt...) if (dbg_after) DBG(fmt) -#else -#define DBG(fmt...) -#define DBG_SET_AFTER -#define DBG_AFTER(fmt...) -#endif - -/* Max size of 512 pages */ -#define U3_LOG_MAX_PAGES 9 - -#define DART_DEF_BASE 0xf8033000UL -#define DART_NONE 0 -#define DART_U3 3 -#define DART_U4 4 -#define DART_WRITE 0x1 -#define DART_READ 0x2 - -static ulong dummy_page; -static ulong dart_entries; -static struct dart_ops *dops; -static u32 *dart_table; - -union dart_entry { - u32 de_word; - struct { - u32 de_v:1; /* valid */ - u32 de_rp:1; /* read protected */ - u32 de_wp:1; /* write protected */ - u32 _de_res:5; - u32 de_ppn:24; /* 24 bit Physical Page Number - * representing address [28:51] */ - } de_bits; -}; - -struct dma_window { - u32 dw_liobn; - u32 dw_base_hi; - u64 dw_base; - u64 dw_size; -}; - -struct dart_info { - struct dma_window di_window; - ulong di_base; - int di_model; -}; - -static u32 dart_encode(int perm, ulong rpn) -{ - union dart_entry e; - - e.de_word = 0; - e.de_bits.de_v = 1; - e.de_bits.de_ppn = rpn; - - /* protect the page */ - e.de_bits.de_rp = 1; - e.de_bits.de_wp = 1; - if (perm & DART_READ) { - e.de_bits.de_rp = 0; - } - if (perm & DART_WRITE) { - e.de_bits.de_wp = 0; - } - return e.de_word; -} - -static void dart_fill(ulong index, int perm, ulong rpg, ulong num_pg) -{ - u32 volatile *entry = dart_table + index; - ulong i = 0; - ulong last_flush = 0; - - while (1) { - entry[i] = dart_encode(perm, rpg); - ++i; - ++rpg; - if (i == num_pg) break; - - if ((((ulong)&entry[i]) % cpu_caches.dline_size) == 0) { - last_flush = (ulong)&entry[i - 1]; - dcbst(last_flush); - } - } - dcbst((ulong) &entry[i - 1]); -} - -static void dart_clear(ulong index, ulong num_pg) -{ - u32 *entry = dart_table + index; - ulong i = 0; - ulong rpg = dummy_page; - ulong last_flush = 0; - - while (1) { - entry[i] = dart_encode(DART_READ | DART_WRITE, rpg); - ++i; - if (i == num_pg) break; - - if ((((ulong)&entry[i]) % cpu_caches.dline_size) == 0) { - last_flush = (ulong)&entry[i - 1]; - dcbst(last_flush); - } - } - dcbst((ulong)&entry[i - 1]); -} - -static int dart_put(ulong ioba, union tce tce) -{ - ulong index = ioba >> PAGE_SHIFT; - - if (index > dart_entries) { - return -1; - } - - if (tce.tce_bits.tce_vlps != 0 || tce.tce_bits.tce_lpx != 0) { - panic("no support for large TCEs\n"); - } - - if (tce.tce_bits.tce_read == 0 && - tce.tce_bits.tce_write == 0) { - /* the TCE table is inited by the domain by a bunch of 0 - * perminssion puts. We are only interesting in debugging the - * ones after the first put */ - DBG_AFTER(">DART[0x%lx] clear\n", index); - dart_clear(index, 1); - } else { - unsigned perm = 0; - - if (tce.tce_bits.tce_read) - perm |= DART_READ; - if (tce.tce_bits.tce_write) - perm |= DART_WRITE; - - DBG("<DART[0x%lx]: ioba: 0x%lx perm:%x[%c%c] rpn:0x%lx\n", - index, ioba, perm, - (perm & DART_READ) ? 'R' : '-', - (perm & DART_WRITE) ? 'W' : '-', - (ulong)tce.tce_bits.tce_rpn); - DBG_SET_AFTER; - - dart_fill(index, perm, tce.tce_bits.tce_rpn, 1); - } - dops->do_inv_entry(tce.tce_bits.tce_rpn); - - return 0; -} - -static int find_dart(struct dart_info *di) -{ - int rc; - void *ofd_p; - ofdn_t n; - char compat[128]; - - if (on_systemsim()) { - DBG("%s: systemsim does not support a dart\n", __func__); - return -1; - } - - ofd_p = (void *)oftree; - n = ofd_node_find(ofd_p, "/ht"); - if (n <= 0) - return -1; - - /* get the defaults from the HT node model */ - rc = ofd_getprop(ofd_p, n, "compatible", compat, sizeof (compat)); - if (rc <= 0) - return -1; - - if (ofd_strstr(compat, rc, "u4")) - di->di_model = DART_U4; - else if (ofd_strstr(compat, rc, "u3")) - di->di_model = DART_U3; - else { - DBG("%s: not a U3 or U4\n", __func__); - return -1; - } - - di->di_base = DART_DEF_BASE; - - /* FIXME: this should actually be the HT reg value */ - di->di_window.dw_liobn = 0; - di->di_window.dw_base_hi = 0; - di->di_window.dw_base = 0; - - /* lets see if the devtree has more info */ - n = ofd_node_find(ofd_p, "/dart"); - if (n > 0) { - ulong base; - - rc = ofd_getprop(ofd_p, n, "compatible", compat, sizeof (compat)); - if (rc > 0) { - if (strstr(compat, "u4")) { - di->di_model = DART_U4; - } - } - - rc = ofd_getprop(ofd_p, n, "reg", &base, sizeof (base)); - if (rc > 0) { - di->di_base = base; - } - } - return 0; -} - -static int init_dart(void) -{ - ulong log_pgs; - void *ofd_p; - ofdn_t n; - struct dart_info di; - - if (find_dart(&di)) - return 0; - - /* Max size of 512 pages == 2MB == 1<<21. That siz is good enough for U4 */ - log_pgs = U3_LOG_MAX_PAGES; - dart_table = alloc_xenheap_pages(log_pgs); - BUG_ON(dart_table == NULL); - - dart_entries = (1UL << (log_pgs + PAGE_SHIFT)) / sizeof (union dart_entry); - di.di_window.dw_size = dart_entries << PAGE_SHIFT; - - /* Linux uses a dummy page, filling "empty" DART entries with a - reference to this page to capture stray DMA's */ - dummy_page = (ulong)alloc_xenheap_pages(0); - clear_page((void *)dummy_page); - dummy_page >>= PAGE_SHIFT; - - printk("Initializing DART 0x%lx: tbl: %p[0x%lx] entries: 0x%lx\n", - di.di_base, dart_table, 1UL << log_pgs, dart_entries); - - /* register this iommu */ - iommu_register(di.di_window.dw_liobn, dart_put); - - switch (di.di_model) { - case DART_U3: - dops = u3_init(di.di_base, (ulong)dart_table, 1UL << log_pgs); - break; - case DART_U4: - dops = u4_init(di.di_base, (ulong)dart_table, 1UL << log_pgs); - break; - } - - dart_clear(0, dart_entries); - dops->do_inv_all(); - - /* fix up the devtree */ - ofd_p = (void *)oftree; - n = ofd_node_find(ofd_p, "/ht"); - if (n > 0) { - di.di_window.dw_size = dart_entries << PAGE_SHIFT; - ofd_prop_add(ofd_p, n, "ibm,dma-window", &di.di_window, - sizeof (di.di_window)); - } else { - panic("%s: no /ht node\n", __func__); - } - return 0; -} -__initcall(init_dart); diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/dart.h --- a/xen/arch/powerpc/dart.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,36 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#ifndef _DART_H -#define _DART_H - -#include <xen/config.h> -#include <xen/types.h> - -struct dart_ops { - void (*do_inv_all)(void); - void (*do_inv_entry)(ulong pg); -}; - -extern struct dart_ops *u3_init(ulong base, ulong table, ulong dart_pages); -extern struct dart_ops *u4_init(ulong base, ulong table, ulong dart_pages); - -#endif /* _DART_H */ - diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/dart_u3.c --- a/xen/arch/powerpc/dart_u3.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,108 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#undef DEBUG - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/sched.h> -#include <xen/mm.h> -#include <public/xen.h> -#include <asm/io.h> -#include <asm/current.h> -#include "tce.h" -#include "iommu.h" -#include "dart.h" - -union dart_ctl { - u32 dc_word; - struct { - u32 dc_base:20; - u32 dc_stop_access:1; - u32 dc_invtlb:1; - u32 dc_enable:1; - u32 dc_size:9; - } reg; -}; - -static u32 volatile *dart_ctl_reg; - -static void u3_inv_all(void) -{ - union dart_ctl dc; - ulong r = 0; - int l = 0; - - for (;;) { - dc.dc_word = in_32(dart_ctl_reg); - dc.reg.dc_invtlb = 1; - out_32(dart_ctl_reg, dc.dc_word); - - do { - dc.dc_word = in_32(dart_ctl_reg); - r++; - } while ((dc.reg.dc_invtlb == 1) && (r < (1 << l))); - - if (r == (1 << l)) { - if (l < 4) { - l++; - dc.dc_word = in_32(dart_ctl_reg); - dc.reg.dc_invtlb = 0; - out_32(dart_ctl_reg, dc.dc_word); - continue; - } else { - panic(" broken U3???\n"); - } - } - return; - } -} - -static void u3_inv_entry(ulong pg) -{ - /* sadly single entry invalidation has been reported not to work */ - u3_inv_all(); -} - -static struct dart_ops u3_ops = { - .do_inv_all = u3_inv_all, - .do_inv_entry = u3_inv_entry, -}; - -struct dart_ops *u3_init(ulong base, ulong table, ulong dart_pages) -{ - union dart_ctl dc; - - dart_ctl_reg = (u32 *)base; - - dc.dc_word = 0; - - dc.reg.dc_base = table >> PAGE_SHIFT; - dc.reg.dc_size = dart_pages; - dc.reg.dc_enable = 1; - - - printk("Initializing DART Model U3: reg: %p word: %x\n", - dart_ctl_reg, dc.dc_word); - - out_32(dart_ctl_reg, dc.dc_word); - - return &u3_ops; -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/dart_u4.c --- a/xen/arch/powerpc/dart_u4.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,184 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#undef DEBUG -#define INVALIDATE_ALL - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/sched.h> -#include <xen/init.h> -#include <xen/mm.h> -#include <public/xen.h> -#include <asm/io.h> -#include <asm/current.h> -#include "tce.h" -#include "iommu.h" -#include "dart.h" - -#define TOO_MANY_RETRIES ~0 - -union dart_ctl { - u32 dc_word; - struct { - u32 dc_darten:1; /* DART Enable (0:disabled) */ - u32 dc_ione:1; /* Invalidate one DART TLB entry (using ILPN) */ - u32 dc_iall:1; /* Invalidate all DART TLB entries */ - u32 dc_idle:1; /* DART is idle */ - u32 dc_peen:1; /* Parity Checking is enabled */ - u32 dc_ilpn:27; /* 27-bit Logical Page Address for - * invalidating one TLB entry */ - } dc_bits; -}; - -union dart_base { - u32 db_word; - struct { - u32 _db_resv:8; - u32 db_dartbase:24; /* Base Address of DART (4K byte Alignment) */ - } db_bits; -}; - -union dart_size { - u32 ds_word; - struct { - u32 _ds_resv:15; - u32 ds_dartsize:17; /* Size of Dart in 4K-Byte Pages */ - } ds_bits; -}; - -union dart_excp { - u32 de_word; - struct { - u32 de_rqsrc:1; /* Request Source. [0:PCIE, 1:HT] */ - u32 de_lpn:27; /* 27Ðbit Logical Address of Exception [25:51] */ - u32 de_rqop:1; /* Request operation. [0:Read, 1:Write] */ - u32 de_xcd:3; /* Exception code */ - } de_bits; -}; - -struct dart { - /* 0x00 */ - union dart_ctl d_dartcntl; - u32 _pad0x04_0x10[3]; - /* 0x10 */ - union dart_base d_dartbase; - u32 _pad0x14_0x20[3]; - /* 0x20 */ - union dart_size d_dartsize; - u32 _pad0x24_0x30[3]; - /* 0x30 */ - union dart_excp d_dartexcp; - u32 _pad0x34_0x40[3]; -}; - -static volatile struct dart *dart; - -static void u4_inv_all(void) -{ - union dart_ctl dc; - ulong r = 0; - int l = 0; - - for (;;) { - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - dc.dc_bits.dc_iall = 1; - out_32(&dart->d_dartcntl.dc_word, dc.dc_word); - - do { - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - r++; - } while ((dc.dc_bits.dc_iall == 1) && (r < (1 << l))); - - if (r == (1 << l)) { - if (l < 4) { - l++; - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - dc.dc_bits.dc_iall = 0; - out_32(&dart->d_dartcntl.dc_word, dc.dc_word); - continue; - } else { - panic(" broken U4???\n"); - } - } - return; - } -} - -static void u4_inv_entry(ulong pgn) -{ -#ifdef INVALIDATE_ALL - return u4_inv_all(); -#else - union dart_ctl dc; - ulong retries = 0; - - return u4_inv_all(); - - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - dc.dc_bits.dc_ilpn = pgn; - dc.dc_bits.dc_ione = 1; - out_32(&dart->d_dartcntl.dc_word, dc.dc_word); - - /* wait for completion */ - /* FIXME: since we do this from the HV do we need to wait?! */ - do { - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - retries++; - if (retries > 1000000) - panic("WAY! too long\n"); - } while (dc.dc_bits.dc_ione != 0); -#endif -} - -static struct dart_ops u4_ops = { - .do_inv_all = u4_inv_all, - .do_inv_entry = u4_inv_entry, -}; - -struct dart_ops *u4_init(ulong base, ulong table, ulong dart_pages) -{ - union dart_base db; - union dart_size ds; - union dart_ctl dc; - - dart = (struct dart *)base; - - db.db_word = 0; - db.db_bits.db_dartbase = table >> PAGE_SHIFT; - - ds.ds_word = 0; - ds.ds_bits.ds_dartsize = dart_pages; - - dc.dc_word = in_32(&dart->d_dartcntl.dc_word); - if (dc.dc_bits.dc_darten == 1) { - panic("%s: dart is already enabled: 0x%x\n", __func__, dc.dc_word); - } - dc.dc_bits.dc_darten = 1; /* enable it */ - - printk("Initializing DART Model U4: ctl: 0x%x base: 0x%x size: 0x%x\n", - dc.dc_word, db.db_word, ds.ds_word); - - out_32(&dart->d_dartbase.db_word, db.db_word); - out_32(&dart->d_dartsize.ds_word, ds.ds_word); - out_32(&dart->d_dartcntl.dc_word, dc.dc_word); - - return &u4_ops; -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/domain.c --- a/xen/arch/powerpc/domain.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,357 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2006, 2007 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - * Ryan Harper <ryanh@xxxxxxxxxx> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <stdarg.h> -#include <xen/config.h> -#include <xen/lib.h> -#include <xen/sched.h> -#include <xen/mm.h> -#include <xen/serial.h> -#include <xen/domain.h> -#include <xen/console.h> -#include <xen/shutdown.h> -#include <xen/paging.h> -#include <xen/mm.h> -#include <xen/softirq.h> -#include <asm/htab.h> -#include <asm/current.h> -#include <asm/hcalls.h> -#include "rtas.h" -#include "exceptions.h" - -#define next_arg(fmt, args) ({ \ - unsigned long __arg; \ - switch ( *(fmt)++ ) \ - { \ - case 'i': __arg = (unsigned long)va_arg(args, unsigned int); break; \ - case 'l': __arg = (unsigned long)va_arg(args, unsigned long); break; \ - case 'p': __arg = (unsigned long)va_arg(args, void *); break; \ - case 'h': __arg = (unsigned long)va_arg(args, void *); break; \ - default: __arg = 0; BUG(); \ - } \ - __arg; \ -}) - -unsigned long hypercall_create_continuation(unsigned int op, - const char *format, ...) -{ - struct cpu_user_regs *regs = guest_cpu_user_regs(); - const char *p = format; - va_list args; - int gprnum = 4; - int i; - - va_start(args, format); - - regs->pc -= 4; /* re-execute 'sc' */ - - for (i = 0; *p != '\0'; i++) { - regs->gprs[gprnum++] = next_arg(p, args); - } - - va_end(args); - - /* As luck would have it, we use the same register for hcall opcodes and - * for hcall return values. The return value from this function is placed - * in r3 on return, so modifying regs->gprs[3] would have no effect. */ - return XEN_MARK(op); -} - -int arch_domain_create(struct domain *d, unsigned int domcr_flags) -{ - if (d->domain_id == IDLE_DOMAIN_ID) { - d->shared_info = (void *)alloc_xenheap_page(); - clear_page(d->shared_info); - - return 0; - } - - d->arch.large_page_sizes = cpu_large_page_orders( - d->arch.large_page_order, ARRAY_SIZE(d->arch.large_page_order)); - - d->arch.foreign_mfn_count = 2048; - d->arch.foreign_mfns = xmalloc_array(uint, d->arch.foreign_mfn_count); - BUG_ON(d->arch.foreign_mfns == NULL); - - memset(d->arch.foreign_mfns, -1, d->arch.foreign_mfn_count * sizeof(uint)); - - return 0; -} - -void arch_domain_destroy(struct domain *d) -{ - shadow_teardown(d); - /* shared_info is part of the RMA so no need to release it */ -} - -static void machine_fail(const char *s) -{ - printk("%s failed, manual powercycle required!\n" - " spinning....\n", s); - for (;;) - sleep(); -} -void machine_halt(void) -{ - console_start_sync(); - printk("%s called\n", __func__); - rtas_halt(); - - machine_fail(__func__); -} - -void machine_restart(void) -{ - console_start_sync(); - printk("%s called\n", __func__); - rtas_reboot(); - machine_fail(__func__); -} - -struct vcpu *alloc_vcpu_struct(void) -{ - struct vcpu *v; - if ( (v = xmalloc(struct vcpu)) != NULL ) - memset(v, 0, sizeof(*v)); - return v; -} - -void free_vcpu_struct(struct vcpu *v) -{ - xfree(v); -} - -int vcpu_initialise(struct vcpu *v) -{ - /* Guests by default have a 100Hz ticker. */ - v->periodic_period = MILLISECS(10); - return 0; -} - -void vcpu_destroy(struct vcpu *v) -{ -} - -int arch_set_info_guest(struct vcpu *v, vcpu_guest_context_u c) -{ - struct domain *d = v->domain; - - memcpy(&v->arch.ctxt, &c.nat->user_regs, sizeof(c.nat->user_regs)); - - printk("Domain[%d].%d: initializing\n", d->domain_id, v->vcpu_id); - - if (d->arch.htab.order == 0) - panic("Page table never allocated for Domain: %d\n", d->domain_id); - if (d->arch.rma_order == 0) - panic("RMA never allocated for Domain: %d\n", d->domain_id); - - d->shared_info->wc_sec = dom0->shared_info->wc_sec; - d->shared_info->wc_nsec = dom0->shared_info->wc_nsec; - d->shared_info->arch.boot_timebase = dom0->shared_info->arch.boot_timebase; - - if ( !v->is_initialised ) - { - v->is_initialised = 1; - /* Auto-online VCPU0 when it is initialised. */ - if ( v->vcpu_id == 0 ) - clear_bit(_VPF_down, &v->pause_flags); - } - - cpu_init_vcpu(v); - - return 0; -} - -int arch_vcpu_reset(struct vcpu *v) -{ - panic("%s: called for Dom%d[%d]\n", - __func__, v->domain->domain_id, v->vcpu_id); - return 0; -} - -void dump_pageframe_info(struct domain *d) -{ - struct page_info *page; - - printk("Memory pages belonging to domain %u:\n", d->domain_id); - - if ( d->tot_pages >= 10 ) - { - printk(" DomPage list too long to display\n"); - } - else - { - list_for_each_entry ( page, &d->page_list, list ) - { - printk(" DomPage %p: mfn=%p, caf=%016lx, taf=%" PRtype_info "\n", - _p(page_to_maddr(page)), _p(page_to_mfn(page)), - page->count_info, page->u.inuse.type_info); - } - } - - list_for_each_entry ( page, &d->xenpage_list, list ) - { - printk(" XenPage %p: mfn=%p, caf=%016lx, taf=%" PRtype_info "\n", - _p(page_to_maddr(page)), _p(page_to_mfn(page)), - page->count_info, page->u.inuse.type_info); - } -} - -void context_switch(struct vcpu *prev, struct vcpu *next) -{ - struct cpu_user_regs *stack_regs = guest_cpu_user_regs(); - cpumask_t dirty_mask = next->vcpu_dirty_cpumask; - unsigned int cpu = smp_processor_id(); - -#if 0 - printk("%s: dom %x to dom %x\n", __func__, prev->domain->domain_id, - next->domain->domain_id); -#endif - - /* Allow at most one CPU at a time to be dirty. */ - ASSERT(cpus_weight(dirty_mask) <= 1); - if (unlikely(!cpu_isset(cpu, dirty_mask) && !cpus_empty(dirty_mask))) - { - /* Other cpus call __sync_lazy_execstate from flush ipi handler. */ - if (!cpus_empty(next->vcpu_dirty_cpumask)) - flush_tlb_mask(next->vcpu_dirty_cpumask); - } - - /* copy prev guest state off the stack into its vcpu */ - memcpy(&prev->arch.ctxt, stack_regs, sizeof(struct cpu_user_regs)); - - set_current(next); - - /* copy next guest state onto the stack */ - memcpy(stack_regs, &next->arch.ctxt, sizeof(struct cpu_user_regs)); - - /* save old domain state */ - save_sprs(prev); - save_float(prev); - save_segments(prev); - - context_saved(prev); - - /* load up new domain */ - load_sprs(next); - load_float(next); - load_segments(next); - - mtsdr1(next->domain->arch.htab.sdr1); - local_flush_tlb(); /* XXX maybe flush_tlb_mask? */ - cpu_flush_icache(); - - if (is_idle_vcpu(next)) { - reset_stack_and_jump(idle_loop); - } - - reset_stack_and_jump(full_resume); - /* not reached */ -} - -void continue_running(struct vcpu *same) -{ - /* nothing to do */ - return; -} - -void sync_vcpu_execstate(struct vcpu *v) -{ - /* do nothing */ - return; -} - -static void relinquish_memory(struct domain *d, struct list_head *list) -{ - struct list_head *ent; - struct page_info *page; - - /* Use a recursive lock, as we may enter 'free_domheap_page'. */ - spin_lock_recursive(&d->page_alloc_lock); - - ent = list->next; - while ( ent != list ) - { - page = list_entry(ent, struct page_info, list); - - /* Grab a reference to the page so it won't disappear from under us. */ - if ( unlikely(!get_page(page, d)) ) - { - /* Couldn't get a reference -- someone is freeing this page. */ - ent = ent->next; - continue; - } - if ( test_and_clear_bit(_PGT_pinned, &page->u.inuse.type_info) ) - put_page_and_type(page); - - if ( test_and_clear_bit(_PGC_allocated, &page->count_info) ) - put_page(page); - - /* Follow the list chain and /then/ potentially free the page. */ - ent = ent->next; - put_page(page); - } - spin_unlock_recursive(&d->page_alloc_lock); -} - -int domain_relinquish_resources(struct domain *d) -{ - relinquish_memory(d, &d->xenpage_list); - relinquish_memory(d, &d->page_list); - xfree(d->arch.foreign_mfns); - xfree(d->arch.p2m); - return 0; -} - -void arch_dump_domain_info(struct domain *d) -{ -} - -void arch_dump_vcpu_info(struct vcpu *v) -{ -} - -static void safe_halt(void) -{ - int cpu = smp_processor_id(); - - while (!softirq_pending(cpu)) - sleep(); -} - -static void default_idle(void) -{ - local_irq_disable(); - if ( !softirq_pending(smp_processor_id()) ) - safe_halt(); - else - local_irq_enable(); -} - -void idle_loop(void) -{ - for ( ; ; ) { - page_scrub_schedule_work(); - default_idle(); - do_softirq(); - } -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/domain_build.c --- a/xen/arch/powerpc/domain_build.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,297 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2007 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - * Ryan Harper <ryanh@xxxxxxxxxx> - * Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/lib.h> -#include <xen/sched.h> -#include <xen/init.h> -#include <xen/ctype.h> -#include <xen/iocap.h> -#include <xen/domain.h> -#include <xen/version.h> -#include <xen/paging.h> -#include <asm/processor.h> -#include <asm/platform.h> -#include <asm/papr.h> -#include <public/arch-powerpc.h> -#include <public/libelf.h> -#include "oftree.h" - -/* opt_dom0_mem: memory allocated to domain 0. */ -static unsigned int dom0_nrpages; -static void parse_dom0_mem(char *s) -{ - unsigned long long bytes; - - bytes = parse_size_and_unit(s, NULL); - dom0_nrpages = bytes >> PAGE_SHIFT; -} -custom_param("dom0_mem", parse_dom0_mem); - -static unsigned int opt_dom0_max_vcpus; -integer_param("dom0_max_vcpus", opt_dom0_max_vcpus); - -static unsigned int opt_dom0_shadow; -boolean_param("dom0_shadow", opt_dom0_shadow); - -/* adapted from common/elf.c */ -#define RM_MASK(a,l) ((a) & ((1UL << (l)) - 1)) - -int construct_dom0(struct domain *d, - unsigned long image_start, unsigned long image_len, - unsigned long initrd_start, unsigned long initrd_len, - char *cmdline) -{ - struct elf_binary elf; - struct elf_dom_parms parms; - int rc; - struct vcpu *v; - ulong dst; - u64 *ofh_tree; - ulong firmware_base; - uint rma_nrpages = 1 << cpu_default_rma_order_pages(); - ulong rma_sz; - ulong rma; - ulong eomem; - int preempt = 0; - int vcpu; - ulong mod_start = 0; - ulong mod_len = 0; - ulong shared_info_addr; - uint extent_size = 1 << cpu_extent_order(); - ulong sz; - - /* Sanity! */ - BUG_ON(d->domain_id != 0); - - if (image_len == 0) - panic("No Dom0 image supplied\n"); - - printk("*** LOADING DOMAIN 0 ***\n"); - - /* default is the max(1/16th of memory, CONFIG_MIN_DOM0_PAGES) */ - if (dom0_nrpages == 0) { - dom0_nrpages = total_pages >> 4; - - if (dom0_nrpages < CONFIG_MIN_DOM0_PAGES) - dom0_nrpages = CONFIG_MIN_DOM0_PAGES; - } - - /* Dom0 has to be at least RMA size. */ - if (dom0_nrpages < rma_nrpages) { - dom0_nrpages = rma_nrpages; - printk("Increasing DOM0 memory size to %u MiB for RMA.\n", - ((rma_nrpages << PAGE_SHIFT) >> 20)); - } - - /* Ensure Dom0 is cpu_extent_order aligned. Round up if - not and let user know we did so. */ - if (dom0_nrpages != ALIGN_UP(dom0_nrpages, extent_size)) { - dom0_nrpages = ALIGN_UP(dom0_nrpages, extent_size); - printk("Increasing DOM0 memory size to %u MiB for large pages.\n", - ((dom0_nrpages << PAGE_SHIFT) >> 20)); - } - - /* XXX Dom0 currently can't extend past the IO hole. */ - if (dom0_nrpages > (platform_iohole_base() >> PAGE_SHIFT)) { - dom0_nrpages = (platform_iohole_base() >> PAGE_SHIFT); - printk("Limiting DOM0 memory size to %u MiB to avoid IO hole.\n", - ((dom0_nrpages << PAGE_SHIFT) >> 20)); - } - - /* Set Dom0 max mem, triggering p2m table creation. */ - if ((guest_physmap_max_mem_pages(d, dom0_nrpages)) != 0) - panic("Failed to set DOM0 max mem pages value\n"); - - d->max_pages = dom0_nrpages; - if (0 > allocate_rma(d, cpu_default_rma_order_pages())) - panic("Error allocating domain 0 RMA\n"); - - rma_sz = rma_size(d->arch.rma_order); - rma = page_to_maddr(d->arch.rma_page); - - /* If we are bigger than RMA, allocate extents. */ - if (dom0_nrpages > rma_nrpages) - dom0_nrpages = allocate_extents(d, dom0_nrpages, rma_nrpages); - - ASSERT(d->tot_pages == dom0_nrpages); - ASSERT(d->tot_pages >= rma_nrpages); - - if (opt_dom0_shadow == 0) { - /* 1/64 of memory */ - opt_dom0_shadow = (d->tot_pages >> 6) >> (20 - PAGE_SHIFT); - } - - do { - shadow_set_allocation(d, opt_dom0_shadow, &preempt); - } while (preempt); - if (shadow_get_allocation(d) == 0) - panic("shadow allocation failed: %dMib\n", opt_dom0_shadow); - - ASSERT( image_len < rma_sz ); - - eomem = ((ulong)d->shared_info) - rma; - printk("shared_info: 0x%lx,%p\n", eomem, d->shared_info); - - /* startup secondary processors */ - if ( opt_dom0_max_vcpus == 0 ) - opt_dom0_max_vcpus = num_online_cpus(); - if ( opt_dom0_max_vcpus > num_online_cpus() ) - opt_dom0_max_vcpus = num_online_cpus(); - if ( opt_dom0_max_vcpus > MAX_VIRT_CPUS ) - opt_dom0_max_vcpus = MAX_VIRT_CPUS; -#ifdef BITS_PER_GUEST_LONG - if ( opt_dom0_max_vcpus > BITS_PER_GUEST_LONG(d) ) - opt_dom0_max_vcpus = BITS_PER_GUEST_LONG(d); -#endif - printk("Dom0 has maximum %u VCPUs\n", opt_dom0_max_vcpus); - - for (vcpu = 0; vcpu < opt_dom0_max_vcpus; vcpu++) { - if (NULL == alloc_vcpu(dom0, vcpu, vcpu)) - panic("Error creating domain 0 vcpu %d\n", vcpu); - /* for now we pin Dom0 VCPUs to their coresponding CPUs */ - if (cpu_isset(vcpu, cpu_online_map)) - dom0->vcpu[vcpu]->cpu_affinity = cpumask_of_cpu(vcpu); - } - - /* Init VCPU0. */ - v = d->vcpu[0]; - cpu_init_vcpu(v); - - /* convert xen pointer shared_info into guest physical */ - shared_info_addr = (ulong)d->shared_info - page_to_maddr(d->arch.rma_page); - - /* start loading stuff */ - rc = elf_init(&elf, (void *)image_start, image_len); - if (rc) - return rc; -#ifdef VERBOSE - elf_set_verbose(&elf); -#endif - elf_parse_binary(&elf); - if (0 != (elf_xen_parse(&elf, &parms))) - return rc; - - printk("Dom0 kernel: %s, paddr 0x%" PRIx64 " -> 0x%" PRIx64 "\n", - elf_64bit(&elf) ? "64-bit" : "32-bit", - elf.pstart, elf.pend); - - /* elf contains virtual addresses that can have the upper bits - * masked while running in real mode, so we do the masking as well - * as well */ - parms.virt_kend = RM_MASK(parms.virt_kend, 42); - parms.virt_entry = RM_MASK(parms.virt_entry, 42); - - /* set the MSR bit correctly */ - if (elf_64bit(&elf)) - v->arch.ctxt.msr = MSR_SF; - else - v->arch.ctxt.msr = 0; - - /* Load the dom0 kernel. */ - elf.dest = (void *)(parms.virt_kstart + rma); - - elf_load_binary(&elf); - v->arch.ctxt.pc = parms.virt_entry; - - dst = ALIGN_UP(parms.virt_kend + rma, PAGE_SIZE); - - /* Load the initrd. */ - if (initrd_len > 0) { - ASSERT((dst - rma) + image_len < eomem); - - printk("loading initrd: 0x%lx, 0x%lx\n", dst, initrd_len); - memcpy((void *)dst, (void *)initrd_start, initrd_len); - - mod_start = dst - rma; - mod_len = image_len; - - dst = ALIGN_UP(dst + initrd_len, PAGE_SIZE); - } else { - printk("no initrd\n"); - } - - v->arch.ctxt.gprs[3] = mod_start; - v->arch.ctxt.gprs[4] = mod_len; - - /* OF usually sits here: - * - Linux needs it to be loaded before the vmlinux or initrd - * - AIX demands it to be @ 32M. - */ - firmware_base = (32 << 20); - if (dst - rma > firmware_base) - panic("Firmware [0x%lx] will over-write images ending: 0x%lx\n", - firmware_base, dst - rma); - dst = firmware_base + rma; - - /* Put stack below firmware. */ - v->arch.ctxt.gprs[1] = dst - rma - STACK_FRAME_OVERHEAD; - v->arch.ctxt.gprs[2] = 0; - - ASSERT((dst - rma) + (ulong)firmware_image_size < eomem); - printk("loading OFH: 0x%lx, RMA: 0x%lx\n", dst, dst - rma); - memcpy((void *)dst, firmware_image_start, (ulong)firmware_image_size); - - v->arch.ctxt.gprs[5] = (dst - rma); - ofh_tree = (u64 *)(dst + 0x10); - ASSERT(*ofh_tree == 0xdeadbeef00000000); - - /* accomodate for a modest bss section */ - dst = ALIGN_UP(dst + (ulong)firmware_image_size + PAGE_SIZE, PAGE_SIZE); - - ASSERT((dst - rma) + oftree_len < eomem); - - *ofh_tree = dst - rma; - printk("loading OFD: 0x%lx RMA: 0x%lx, 0x%lx\n", dst, dst - rma, - oftree_len); - memcpy((void *)dst, (void *)oftree, oftree_len); - - /* fixup and add stuff for dom0 */ - sz = ofd_dom0_fixup(d, *ofh_tree + rma, cmdline, shared_info_addr); - printk("modified OFD size: 0x%lx\n", sz); - dst = ALIGN_UP(dst + sz + PAGE_SIZE, PAGE_SIZE); - - printk("dom0 initial register state:\n" - " pc %016lx msr %016lx\n" - " r1 %016lx r2 %016lx r3 %016lx\n" - " r4 %016lx r5 %016lx\n", - v->arch.ctxt.pc, - v->arch.ctxt.msr, - v->arch.ctxt.gprs[1], - v->arch.ctxt.gprs[2], - v->arch.ctxt.gprs[3], - v->arch.ctxt.gprs[4], - v->arch.ctxt.gprs[5]); - - v->is_initialised = 1; - clear_bit(_VPF_down, &v->pause_flags); - - rc = 0; - - /* DOM0 is permitted full I/O capabilities. */ - rc |= iomem_permit_access(dom0, 0UL, ~0UL); - rc |= irqs_permit_access(dom0, 0, NR_IRQS-1); - - BUG_ON(rc != 0); - - return 0; -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/domctl.c --- a/xen/arch/powerpc/domctl.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,120 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2007 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - * Ryan Harper <ryanh@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/lib.h> -#include <xen/sched.h> -#include <xen/domain.h> -#include <xen/guest_access.h> -#include <xen/paging.h> -#include <public/xen.h> -#include <public/domctl.h> -#include <public/sysctl.h> -#include <asm/processor.h> - -void arch_get_info_guest(struct vcpu *v, vcpu_guest_context_u c) -{ - memcpy(&c.nat->user_regs, &v->arch.ctxt, sizeof(struct cpu_user_regs)); - /* XXX fill in rest of vcpu_guest_context_t */ -} - -long arch_do_domctl(struct xen_domctl *domctl, - XEN_GUEST_HANDLE(xen_domctl_t) u_domctl); -long arch_do_domctl(struct xen_domctl *domctl, - XEN_GUEST_HANDLE(xen_domctl_t) u_domctl) -{ - long ret = 0; - - switch (domctl->cmd) { - case XEN_DOMCTL_getmemlist: - { - int i; - struct domain *d = get_domain_by_id(domctl->domain); - unsigned long max_pfns = domctl->u.getmemlist.max_pfns; - uint64_t mfn; - - ret = -EINVAL; - if ( d != NULL ) - { - ret = 0; - - spin_lock(&d->page_alloc_lock); - for (i = 0; i < max_pfns; i++) { - /* bail if index is beyond p2m size */ - if (i >= d->arch.p2m_entries) - break; - - /* translate */ - mfn = d->arch.p2m[i]; - - if (copy_to_guest_offset(domctl->u.getmemlist.buffer, - i, &mfn, 1)) - { - ret = -EFAULT; - break; - } - } - spin_unlock(&d->page_alloc_lock); - - domctl->u.getmemlist.num_pfns = i; - copy_to_guest(u_domctl, domctl, 1); - - put_domain(d); - } - } - break; - case XEN_DOMCTL_shadow_op: - { - struct domain *d; - ret = -ESRCH; - d = get_domain_by_id(domctl->domain); - if ( d != NULL ) - { - ret = shadow_domctl(d, &domctl->u.shadow_op, u_domctl); - put_domain(d); - copy_to_guest(u_domctl, domctl, 1); - } - } - break; - case XEN_DOMCTL_real_mode_area: - { - struct domain *d; - unsigned int order = domctl->u.real_mode_area.log - PAGE_SHIFT; - - ret = -ESRCH; - d = get_domain_by_id(domctl->domain); - if (d != NULL) { - ret = -EINVAL; - if (cpu_rma_valid(order)) - ret = allocate_rma(d, order); - put_domain(d); - } - } - break; - - default: - ret = -ENOSYS; - break; - } - - return ret; -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/exceptions.c --- a/xen/arch/powerpc/exceptions.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,91 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005, 2006 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - * Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/softirq.h> -#include <xen/sched.h> -#include <xen/serial.h> -#include <xen/gdbstub.h> -#include <xen/console.h> -#include <xen/shutdown.h> -#include <asm/time.h> -#include <asm/processor.h> -#include <asm/debugger.h> - -#undef DEBUG - -extern ulong ppc_do_softirq(ulong orig_msr); -extern void do_timer(struct cpu_user_regs *regs); -extern void do_dec(struct cpu_user_regs *regs); -extern void program_exception(struct cpu_user_regs *regs, - unsigned long cookie); -extern int reprogram_timer(s_time_t timeout); - -int hdec_sample = 0; - -void do_timer(struct cpu_user_regs *regs) -{ - /* Set HDEC high so it stops firing and can be reprogrammed by - * set_preempt() */ - /* FIXME! HACK ALERT! - * - * We have a bug in that if we switch domains in schedule() we - * switch right away regardless of whatever else is pending. This - * means that if the timer goes off while in schedule(), the next - * domain will be preempted by the interval defined below. So - * until we fix our cotnext_switch(), the follow workaround will - * make sure that the domain we switch to does not run for to long - * so we can continue to service the other timers in the timer - * queue and that the value is long enough to escape this - * particular timer event. - */ - reprogram_timer(NOW() + MILLISECS(1)); - - raise_softirq(TIMER_SOFTIRQ); -} - -void do_dec(struct cpu_user_regs *regs) -{ - if (!(regs->msr & MSR_HV)) { - panic("HV dec from domain\n"); - } - printk("DEC_HV: pc: 0x%lx lr: 0x%lx \n", regs->pc, regs->lr); - mtdec(INT_MAX); -} - -void program_exception(struct cpu_user_regs *regs, unsigned long cookie) -{ - if (cookie == 0x200) { - if (cpu_machinecheck(regs)) - return; - - printk("%s: machine check\n", __func__); - } else { -#ifdef CRASH_DEBUG - if (__trap_to_gdb(regs, cookie) == 0) - return; -#endif /* CRASH_DEBUG */ - - printk("%s: type: 0x%lx\n", __func__, cookie); - show_backtrace_regs(regs); - } - machine_halt(); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/exceptions.h --- a/xen/arch/powerpc/exceptions.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,54 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2007 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#ifndef _ARCH_PPC_EXCEPTIONS_H_ -#define _ARCH_PPC_EXCEPTIONS_H_ - -#include <xen/types.h> -#include <public/xen.h> -#include <xen/multiboot.h> - -extern void do_hcall(struct cpu_user_regs *regs); -extern void do_IRQ(struct cpu_user_regs *regs); -extern void deliver_ee(struct cpu_user_regs *regs); -extern void do_external(struct cpu_user_regs *regs); -extern void init_IRQ(void); -extern void ack_APIC_irq(void); -extern int ioapic_guest_read(unsigned long physbase, unsigned int reg, u32 *pval); -extern int ioapic_guest_write(unsigned long physbase, unsigned int reg, u32 val); - -extern void do_timer(struct cpu_user_regs *regs); -extern void do_dec(struct cpu_user_regs *regs); -extern void do_perfmon(struct cpu_user_regs *regs); -extern void program_exception( - struct cpu_user_regs *regs, unsigned long cookie); - -extern long xen_hvcall_jump(struct cpu_user_regs *regs, ulong address); - -extern void sleep(void); -extern void idle_loop(void); - -extern ulong *__hypercall_table[]; - -extern char exception_vectors[]; -extern char exception_vectors_end[]; -extern int spin_start[]; -extern void secondary_cpu_init(int cpuid, unsigned long r4); -#endif diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/external.c --- a/xen/arch/powerpc/external.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,202 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005, 2006 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/sched.h> -#include <xen/lib.h> -#include <xen/event.h> -#include <xen/irq.h> -#include <public/xen.h> -#include <asm/current.h> -#include <asm/hardirq.h> -#include <asm/mpic.h> -#include "mpic_init.h" -#include "exceptions.h" - -#undef DEBUG -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif - -int vector_irq[NR_VECTORS] __read_mostly = { [0 ... NR_VECTORS - 1] = -1}; - -unsigned long io_apic_irqs; -int ioapic_ack_new = 1; - -/* deliver_ee: called with interrupts off when resuming every vcpu */ -void deliver_ee(struct cpu_user_regs *regs) -{ - const ulong srr_mask = ~(MSR_IR | MSR_DR | MSR_FE0 | MSR_FE1 | MSR_EE | - MSR_RI | - MSR_BE | MSR_FP | MSR_PMM | MSR_PR | MSR_SE); - - BUG_ON(mfmsr() & MSR_EE); - BUG_ON(regs->msr & MSR_HV); - - if (!local_events_need_delivery()) - return; - - /* XXX OS error: EE was set but RI was not. We could trigger a machine - * check, or kill the domain... for now just crash Xen so we notice. */ - BUG_ON(!(regs->msr & MSR_RI)); - - regs->srr0 = regs->pc; - /* zero SRR1[33:36] and SRR1[42:47] */ - regs->srr1 = regs->msr & ~0x00000000783f0000; - regs->pc = 0x500; - regs->msr &= srr_mask; - regs->msr |= MSR_SF | MSR_ME; - - DBG("<HV: pc=0x%lx, msr=0x%lx\n", regs->pc, regs->msr); -} - -void do_external(struct cpu_user_regs *regs) -{ - int vec; - static unsigned spur_count; - - BUG_ON(!(regs->msr & MSR_EE)); - BUG_ON(mfmsr() & MSR_EE); - - vec = xen_mpic_get_irq(regs); - DBG(">HV: vec=%d, pc=0x%lx, msr=0x%lx\n", vec, regs->pc, regs->msr); - - if (irq_desc[vec].status & IRQ_PER_CPU) { - /* x86 do_IRQ does not respect the per cpu flag. */ - irq_desc_t *desc = &irq_desc[vec]; - regs->entry_vector = vec; - desc->handler->ack(vec); - desc->action->handler(vector_to_irq(vec), desc->action->dev_id, regs); - desc->handler->end(vec); - } else if (vec != -1) { - regs->entry_vector = vec; - do_IRQ(regs); - - BUG_ON(mfmsr() & MSR_EE); - spur_count = 0; - } else { - ++spur_count; - if (spur_count > 100) - panic("Too many (%d) spurrious interrupts in a row\n" - " Known problem, please halt and let machine idle/cool " - " then reboot\n", - 100); - } -} - -void init_IRQ(void) -{ - xen_mpic_init(); -} - -void ack_APIC_irq(void) -{ - panic("%s: EOI the whole MPIC?\n", __func__); -} - -void ack_bad_irq(unsigned int irq) -{ - printk("unexpected IRQ trap at vector %02x\n", irq); - /* - * Currently unexpected vectors happen only on SMP and APIC. - * We _must_ ack these because every local APIC has only N - * irq slots per priority level, and a 'hanging, unacked' IRQ - * holds up an irq slot - in excessive cases (when multiple - * unexpected vectors occur) that might lock up the APIC - * completely. - */ - ack_APIC_irq(); -} - -extern void dump_ioapic_irq_info(void); -void dump_ioapic_irq_info(void) -{ - printk("%s: can't dump yet\n", __func__); -} - -/* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */ -u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 }; -int assign_irq_vector(int irq) -{ - static int current_vector = FIRST_DEVICE_VECTOR, offset = 0; - - BUG_ON(irq >= NR_IRQ_VECTORS); - if (irq != AUTO_ASSIGN && IO_APIC_VECTOR(irq) > 0) - return IO_APIC_VECTOR(irq); -next: - current_vector += 8; - - /* Skip the hypercall vector. */ - if (current_vector == HYPERCALL_VECTOR) - goto next; - - /* Skip the Linux/BSD fast-trap vector. */ - if (current_vector == FAST_TRAP) - goto next; - - if (current_vector >= FIRST_SYSTEM_VECTOR) { - offset++; - if (!(offset%8)) - return -ENOSPC; - current_vector = FIRST_DEVICE_VECTOR + offset; - } - - vector_irq[current_vector] = irq; - if (irq != AUTO_ASSIGN) - IO_APIC_VECTOR(irq) = current_vector; - - return current_vector; -} - -int ioapic_guest_read(unsigned long physbase, unsigned int reg, u32 *pval) -{ - BUG_ON(pval != pval); - return 0; -} - -int ioapic_guest_write(unsigned long physbase, unsigned int reg, u32 val) -{ - BUG_ON(val != val); - return 0; -} - -void send_IPI_mask(cpumask_t mask, int vector) -{ - unsigned int cpus; - int const bits = 8 * sizeof(cpus); - - switch(vector) { - case CALL_FUNCTION_VECTOR: - case EVENT_CHECK_VECTOR: - break; - default: - BUG(); - return; - } - - BUG_ON(NR_CPUS > bits); - BUG_ON(fls(mask.bits[0]) > bits); - - cpus = mask.bits[0]; - mpic_send_ipi(vector, cpus); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/float.S --- a/xen/arch/powerpc/float.S Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,243 +0,0 @@ -/* - * Copyright (C) 2005 Jimi Xenidis <jimix@xxxxxxxxxxxxxx>, IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <asm/config.h> -#include <asm/asm-offsets.h> -#include <asm/reg_defs.h> -#include <asm/msr.h> -#include <asm/processor.h> - -#ifdef HAS_FLOAT -save_fp: - addi r4, r3, VCPU_fprs - FPR_WIDTH - stfdu fr0,FPR_WIDTH(r4) - stfdu fr1,FPR_WIDTH(r4) - stfdu fr2,FPR_WIDTH(r4) - stfdu fr3,FPR_WIDTH(r4) - stfdu fr4,FPR_WIDTH(r4) - stfdu fr5,FPR_WIDTH(r4) - stfdu fr6,FPR_WIDTH(r4) - stfdu fr7,FPR_WIDTH(r4) - stfdu fr8,FPR_WIDTH(r4) - stfdu fr9,FPR_WIDTH(r4) - stfdu fr10,FPR_WIDTH(r4) - stfdu fr11,FPR_WIDTH(r4) - stfdu fr12,FPR_WIDTH(r4) - stfdu fr13,FPR_WIDTH(r4) - stfdu fr14,FPR_WIDTH(r4) - stfdu fr15,FPR_WIDTH(r4) - stfdu fr16,FPR_WIDTH(r4) - stfdu fr17,FPR_WIDTH(r4) - stfdu fr18,FPR_WIDTH(r4) - stfdu fr19,FPR_WIDTH(r4) - stfdu fr20,FPR_WIDTH(r4) - stfdu fr21,FPR_WIDTH(r4) - stfdu fr22,FPR_WIDTH(r4) - stfdu fr23,FPR_WIDTH(r4) - stfdu fr24,FPR_WIDTH(r4) - stfdu fr25,FPR_WIDTH(r4) - stfdu fr26,FPR_WIDTH(r4) - stfdu fr27,FPR_WIDTH(r4) - stfdu fr28,FPR_WIDTH(r4) - stfdu fr29,FPR_WIDTH(r4) - stfdu fr30,FPR_WIDTH(r4) - stfdu fr31,FPR_WIDTH(r4) - mffs fr0 - stfd fr0,VCPU_fpscr(r3) - blr - -load_fp: - lfd fr0,VCPU_fpscr(r3) - mtfsf 0xff,fr0 - - addi r4, r3, VCPU_fprs - FPR_WIDTH - lfdu fr0,FPR_WIDTH(r4) - lfdu fr1,FPR_WIDTH(r4) - lfdu fr2,FPR_WIDTH(r4) - lfdu fr3,FPR_WIDTH(r4) - lfdu fr4,FPR_WIDTH(r4) - lfdu fr5,FPR_WIDTH(r4) - lfdu fr6,FPR_WIDTH(r4) - lfdu fr7,FPR_WIDTH(r4) - lfdu fr8,FPR_WIDTH(r4) - lfdu fr9,FPR_WIDTH(r4) - lfdu fr10,FPR_WIDTH(r4) - lfdu fr11,FPR_WIDTH(r4) - lfdu fr12,FPR_WIDTH(r4) - lfdu fr13,FPR_WIDTH(r4) - lfdu fr14,FPR_WIDTH(r4) - lfdu fr15,FPR_WIDTH(r4) - lfdu fr16,FPR_WIDTH(r4) - lfdu fr17,FPR_WIDTH(r4) - lfdu fr18,FPR_WIDTH(r4) - lfdu fr19,FPR_WIDTH(r4) - lfdu fr20,FPR_WIDTH(r4) - lfdu fr21,FPR_WIDTH(r4) - lfdu fr22,FPR_WIDTH(r4) - lfdu fr23,FPR_WIDTH(r4) - lfdu fr24,FPR_WIDTH(r4) - lfdu fr25,FPR_WIDTH(r4) - lfdu fr26,FPR_WIDTH(r4) - lfdu fr27,FPR_WIDTH(r4) - lfdu fr28,FPR_WIDTH(r4) - lfdu fr29,FPR_WIDTH(r4) - lfdu fr30,FPR_WIDTH(r4) - lfdu fr31,FPR_WIDTH(r4) - blr -#endif /* HAS_FLOAT */ - -#ifdef HAS_VMX - -#define VCPU_vr(n) (VCPU_vrs + ((n) * 16)) - -/* - * We cannot rely on the domain to correctly use VRSAVE - * so it is required that all VMX registers are saved and restored. - */ -save_vmx: - mfspr r0,SPRN_VRSAVE - stw r0,VCPU_vrsave(r3) - - addi r0,r3,VCPU_vr(0); stvxl vr0,0,r0 - addi r0,r3,VCPU_vr(1); stvxl vr1,0,r0 - addi r0,r3,VCPU_vr(2); stvxl vr2,0,r0 - addi r0,r3,VCPU_vr(3); stvxl vr3,0,r0 - addi r0,r3,VCPU_vr(4); stvxl vr4,0,r0 - addi r0,r3,VCPU_vr(5); stvxl vr5,0,r0 - addi r0,r3,VCPU_vr(6); stvxl vr6,0,r0 - addi r0,r3,VCPU_vr(7); stvxl vr7,0,r0 - addi r0,r3,VCPU_vr(8); stvxl vr8,0,r0 - - /* - * By now vr0 should be pushed out so now is a good time to - * get the VRSCR which can take a long time and has no dependcies - * on the following operations. - */ - mfvscr vr0 - addi r0,r3,VCPU_vscr ; stvxl vr0,0,r0 - - addi r0,r3,VCPU_vr(9); stvxl vr9,0,r0 - addi r0,r3,VCPU_vr(10); stvxl vr10,0,r0 - addi r0,r3,VCPU_vr(11); stvxl vr11,0,r0 - addi r0,r3,VCPU_vr(12); stvxl vr12,0,r0 - addi r0,r3,VCPU_vr(13); stvxl vr13,0,r0 - addi r0,r3,VCPU_vr(14); stvxl vr14,0,r0 - addi r0,r3,VCPU_vr(15); stvxl vr15,0,r0 - addi r0,r3,VCPU_vr(16); stvxl vr16,0,r0 - addi r0,r3,VCPU_vr(17); stvxl vr17,0,r0 - addi r0,r3,VCPU_vr(18); stvxl vr18,0,r0 - addi r0,r3,VCPU_vr(19); stvxl vr19,0,r0 - addi r0,r3,VCPU_vr(20); stvxl vr20,0,r0 - addi r0,r3,VCPU_vr(21); stvxl vr21,0,r0 - addi r0,r3,VCPU_vr(22); stvxl vr22,0,r0 - addi r0,r3,VCPU_vr(23); stvxl vr23,0,r0 - addi r0,r3,VCPU_vr(24); stvxl vr24,0,r0 - addi r0,r3,VCPU_vr(25); stvxl vr25,0,r0 - addi r0,r3,VCPU_vr(26); stvxl vr26,0,r0 - addi r0,r3,VCPU_vr(27); stvxl vr27,0,r0 - addi r0,r3,VCPU_vr(28); stvxl vr28,0,r0 - addi r0,r3,VCPU_vr(29); stvxl vr29,0,r0 - addi r0,r3,VCPU_vr(30); stvxl vr30,0,r0 - addi r0,r3,VCPU_vr(31); stvxl vr31,0,r0 - blr - -load_vmx: - lwz r0,VCPU_vrsave(r3) - mtspr SPRN_VRSAVE,r0 - - /* - * This operation can take a long time so we use vr31 to - * eliminate the depency on r0 for the next load - */ - addi r0,r3,VCPU_vscr ; lvxl vr31,0,r0 - mtvscr vr31 - - addi r0,r3,VCPU_vr(0); lvxl vr0,0,r0 - addi r0,r3,VCPU_vr(1); lvxl vr1,0,r0 - addi r0,r3,VCPU_vr(2); lvxl vr2,0,r0 - addi r0,r3,VCPU_vr(3); lvxl vr3,0,r0 - addi r0,r3,VCPU_vr(4); lvxl vr4,0,r0 - addi r0,r3,VCPU_vr(5); lvxl vr5,0,r0 - addi r0,r3,VCPU_vr(6); lvxl vr6,0,r0 - addi r0,r3,VCPU_vr(7); lvxl vr7,0,r0 - addi r0,r3,VCPU_vr(8); lvxl vr8,0,r0 - addi r0,r3,VCPU_vr(9); lvxl vr9,0,r0 - addi r0,r3,VCPU_vr(10); lvxl vr10,0,r0 - addi r0,r3,VCPU_vr(11); lvxl vr11,0,r0 - addi r0,r3,VCPU_vr(12); lvxl vr12,0,r0 - addi r0,r3,VCPU_vr(13); lvxl vr13,0,r0 - addi r0,r3,VCPU_vr(14); lvxl vr14,0,r0 - addi r0,r3,VCPU_vr(15); lvxl vr15,0,r0 - addi r0,r3,VCPU_vr(16); lvxl vr16,0,r0 - addi r0,r3,VCPU_vr(17); lvxl vr17,0,r0 - addi r0,r3,VCPU_vr(18); lvxl vr18,0,r0 - addi r0,r3,VCPU_vr(19); lvxl vr19,0,r0 - addi r0,r3,VCPU_vr(20); lvxl vr20,0,r0 - addi r0,r3,VCPU_vr(21); lvxl vr21,0,r0 - addi r0,r3,VCPU_vr(22); lvxl vr22,0,r0 - addi r0,r3,VCPU_vr(23); lvxl vr23,0,r0 - addi r0,r3,VCPU_vr(24); lvxl vr24,0,r0 - addi r0,r3,VCPU_vr(25); lvxl vr25,0,r0 - addi r0,r3,VCPU_vr(26); lvxl vr26,0,r0 - addi r0,r3,VCPU_vr(27); lvxl vr27,0,r0 - addi r0,r3,VCPU_vr(28); lvxl vr28,0,r0 - addi r0,r3,VCPU_vr(29); lvxl vr29,0,r0 - addi r0,r3,VCPU_vr(30); lvxl vr30,0,r0 - addi r0,r3,VCPU_vr(31); lvxl vr31,0,r0 - blr -#endif /* HAS_VMX */ - -/* void save_float(struct exec_domain *ed) */ -_GLOBAL(save_float) - mflr r8 -#ifdef HAS_FLOAT - mfmsr r9 # save msr - ori r0,r9,MSR_FP # turn on FPU - mtmsr r0 - bl save_fp # uses r3, r4 - mtmsr r9 # restore msr -#endif /* HAS_FLOAT */ -#ifdef HAS_VMX - mfmsr r9 # save msr - oris r0,r9,MSR_VMX@h # turn on VMX - mtmsr r0 - bl save_vmx # uses r3 - mtmsr r9 # restore msr -#endif /* HAS_VMX */ - mtlr r8 - blr - -/* void load_float(struct exec_domain *ed) */ -_GLOBAL(load_float) - mflr r8 -#ifdef HAS_FLOAT - mfmsr r9 # save msr - ori r0,r9,MSR_FP # turn on FPU - mtmsr r0 - bl load_fp # uses r3, r4 - mtmsr r9 # restore msr -#endif /* HAS_FLOAT */ -#ifdef HAS_VMX - mfmsr r9 # save msr - oris r0,r9,MSR_VMX@h # turn on VMX - mtmsr r0 - bl load_vmx # uses r3 - mtmsr r9 # restore msr -#endif /* HAS_VMX */ - mtlr r8 - blr diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/gdbstub.c --- a/xen/arch/powerpc/gdbstub.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,216 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <xen/types.h> -#include <xen/lib.h> -#include <xen/gdbstub.h> -#include <public/xen.h> -#include <asm/msr.h> -#include <asm/bitops.h> -#include <asm/cache.h> -#include <asm/debugger.h> -#include <asm/processor.h> - -asm(".globl trap_instruction\n" - "trap_instruction:\n" - "trap\n"); -extern u32 trap_instruction[]; - -static unsigned int dec_entry; -static unsigned int hdec_entry; - -static inline ulong -gdb_ppc_0x700(struct cpu_user_regs *state) -{ - ulong instr; - - switch (state->msr & MSR_TRAP_BITS) { - case MSR_TRAP_FE: - return SIGFPE; - case MSR_TRAP_IOP: - case MSR_TRAP_PRIV: - return SIGILL; - case MSR_TRAP: - instr = *((u32 *)state->pc); - - /* if this was a hardcoded trap in the source, step past it */ - if (instr == *trap_instruction) { - state->pc += sizeof (u32); - } - return SIGTRAP; - } - return SIGBUS; -} - -u16 gdb_arch_signal_num(struct cpu_user_regs *regs, unsigned long cookie) -{ - /* exception type identifies, trap or bad address */ - switch (cookie) { - case 0x200: /* Machine Check */ - return SIGTERM; - case 0x300: /* DSI */ - case 0x380: /* Data SLB */ - case 0x400: /* ISI */ - case 0x480: /* Instruction SLB */ - return SIGSEGV; - case 0x600: /* Alignment SLB */ - return SIGBUS; - case 0x700: /* Program */ - return gdb_ppc_0x700(regs); - case 0x800: /* Float */ - return SIGFPE; - case 0x900: /* Decrementer */ - return SIGALRM; /* is this right? */ - case 0xd00: /* TRAP */ - return SIGTRAP; - case 0xe00: /* FP */ - return SIGFPE; - } - return SIGBUS; -} - -void -gdb_arch_resume(struct cpu_user_regs *regs, - unsigned long addr, unsigned long type, - struct gdb_context *ctx) -{ - if (addr != ~((ulong)0)) { - regs->pc = addr; - } - - if (type == GDB_CONTINUE) { - regs->msr &= ~MSR_SE; - } else { - regs->msr |= MSR_SE; - } -} - -void -gdb_arch_read_reg(unsigned long regnum, struct cpu_user_regs *regs, - struct gdb_context *ctx) -{ - unimplemented(); - gdb_send_reply("", ctx); -} - -void -gdb_arch_read_reg_array(struct cpu_user_regs *state, struct gdb_context *ctx) -{ - ulong i = 0; - - for (i = 0; i < 32; ++i) { - gdb_write_to_packet_hex(state->gprs[i], sizeof(state->gprs[i]), ctx); - } - /* Avoid floating point for now */ - for (i = 0; i < 32; ++i) { - gdb_write_to_packet_hex(0, sizeof(u64), ctx); - } - gdb_write_to_packet_hex(state->pc, sizeof (state->pc), ctx); - gdb_write_to_packet_hex(state->msr, sizeof (state->msr), ctx); - gdb_write_to_packet_hex(state->cr, sizeof (state->cr), ctx); - gdb_write_to_packet_hex(state->lr, sizeof (state->lr), ctx); - gdb_write_to_packet_hex(state->ctr, sizeof (state->ctr), ctx); - gdb_write_to_packet_hex(state->xer, sizeof (u32), ctx); - gdb_write_to_packet_hex(0, sizeof(u32), ctx); /* fpscr */ - gdb_send_packet(ctx); -} - -void -gdb_arch_write_reg(unsigned long regnum, unsigned long val, - struct cpu_user_regs *regs, struct gdb_context *ctx) -{ - unimplemented(); - gdb_send_reply("", ctx); -} - -void -gdb_arch_write_reg_array(struct cpu_user_regs *regs, const char *buf, - struct gdb_context *ctx) -{ - ulong i; - - for (i = 0; i < 32; ++i) { - regs->gprs[i] = str2ulong(buf, sizeof (ulong)); - buf += sizeof (regs->gprs[0]) * 2; - } - /* Avoid floating point for now */ - for (i = 0; i < 32; ++i) { - buf += sizeof (u64) * 2; - } - - regs->pc = str2ulong(buf, sizeof (regs->pc)); - buf += sizeof (regs->pc) * 2; - regs->msr = str2ulong(buf, sizeof (regs->msr)); - buf += sizeof (regs->msr) * 2; - regs->cr = str2ulong(buf, sizeof (regs->cr)); - buf += sizeof (regs->cr) * 2; - regs->lr = str2ulong(buf, sizeof (regs->lr)); - buf += sizeof (regs->lr) * 2; - regs->ctr = str2ulong(buf, sizeof (regs->ctr)); - buf += sizeof (regs->ctr) * 2; - regs->xer = str2ulong(buf, sizeof (u32)); - buf += sizeof (u32) * 2; -} - -unsigned int -gdb_arch_copy_from_user(void *dest, const void *src, unsigned len) -{ - memcpy(dest, src, len); - return 0; -} - -unsigned int -gdb_arch_copy_to_user(void *dest, const void *src, unsigned len) -{ - memcpy(dest, src, len); - synchronize_caches((ulong)dest, len); - return 0; -} - -void -gdb_arch_print_state(struct cpu_user_regs *state) -{ - int i = 0; - printk("PC: 0x%016lx MSR: 0x%016lx\n", state->pc, state->msr); - printk("LR: 0x%016lx CTR: 0x%016lx\n", state->lr, state->ctr); - /* XXX - printk("DAR: 0x%016lx DSISR: 0x%016lx\n", state->dar, state->dsisr); - */ - printk("CR: 0x%08x XER: 0x%016lx\n", state->cr, state->xer); - for (; i < 32; i+=4) { - printk("%02d: 0x%016lx 0x%016lx 0x%016lx 0x%016lx\n", - i, state->gprs[i], state->gprs[i+1], - state->gprs[i+2], state->gprs[i+3]); - } -} - -void -gdb_arch_enter(struct cpu_user_regs *state) -{ - dec_entry = mfdec(); - hdec_entry = mfhdec(); -} - -void -gdb_arch_exit(struct cpu_user_regs *state) -{ - mtdec(dec_entry); - mthdec(hdec_entry); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/hcalls.c --- a/xen/arch/powerpc/hcalls.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,171 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2006, 2007 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/sched.h> -#include <xen/lib.h> -#include <xen/init.h> -#include <xen/multicall.h> -#include <public/xen.h> -#include <asm/current.h> -#include <asm/papr.h> -#include <asm/hcalls.h> -#include <asm/debugger.h> -#include <asm/msr.h> -#include "exceptions.h" - -u32 *papr_hcalls; /* PAPR Hypervisor Calls */ -u32 *hypercall_table; /* Xen Hypervisor Calls */ - -static void hcall_papr(ulong num, struct cpu_user_regs *regs) -{ - u32 address; - - if (regs->msr & MSR_PR) { - regs->gprs[3] = H_Privilege; - return; - } - - if ((num & 0x3) || (num > RPA_HCALL_END)) { - regs->gprs[3] = H_Parameter; - return; - } - - address = papr_hcalls[num/4]; - papr_hcall_jump(regs, address); -} - -static void hcall_xen(ulong num, struct cpu_user_regs *regs) -{ - u32 address; - - if (regs->msr & MSR_PR) { - regs->gprs[3] = -EPERM; - return; - } - - if ((num >= NR_hypercalls)) { - regs->gprs[3] = -ENOSYS; - return; - } - address = hypercall_table[num]; - if (address == 0) { - printk("unsupported Xen hypercall: 0x%lx\n", num); - regs->gprs[3] = -ENOSYS; - return; - } - - regs->gprs[3] = xen_hvcall_jump(regs, address); -} - -void do_multicall_call(multicall_entry_t *call) -{ - struct cpu_user_regs regs; - - regs.gprs[3] = call->args[0]; - regs.gprs[4] = call->args[1]; - regs.gprs[5] = call->args[2]; - regs.gprs[6] = call->args[3]; - regs.gprs[7] = call->args[4]; - regs.gprs[8] = call->args[5]; - - hcall_xen(call->op, ®s); - - call->result = regs.gprs[3]; -} - -void do_hcall(struct cpu_user_regs *regs) -{ - ulong num = regs->gprs[3]; - - local_irq_enable(); - - if ((num & XEN_MARK(0)) == XEN_MARK(0)) { - /* it's a Xen call */ - num &= ~XEN_MARK(0); - hcall_xen(num, regs); - } else { - /* it's a PAPR call */ - hcall_papr(num, regs); - } -} - -static void do_ni_papr_hypercall(struct cpu_user_regs *regs) -{ - struct vcpu *v = get_current(); - - printk("unsupported PAPR hcall 0x%lx was called by dom0x%x\n", - regs->gprs[3], v->domain->domain_id); - - regs->gprs[3] = H_Parameter; -} - -/* store low 32 bits of 64-bit address in hcall table (this is safe because we - * know we will not link above 4GB). We don't need to preserve the TOC - * because that only changes when calling dynamically linked objects. */ -static void register_papr_hcall(ulong num, hcall_handler_t handler) -{ - int index = num/4; - - papr_hcalls[index] = (u32)(*(u64 *)handler); -} - -static void init_papr_hcalls(void) -{ - init_hcall_t *hcall; - int i; - - /* initialize PAPR hcall table */ - papr_hcalls = xmalloc_array(u32, RPA_HCALL_END/4); - ASSERT(papr_hcalls != NULL); - for (i = 0; i <= RPA_HCALL_END; i += 4) - register_papr_hcall(i, do_ni_papr_hypercall); - - /* register the PAPR hcalls */ - for (hcall = &__init_hcall_start; hcall < &__init_hcall_end; hcall++) { - register_papr_hcall(hcall->number, hcall->handler); - } -} - -static void init_hypercall_table(void) -{ - int i; - - hypercall_table = xmalloc_array(u32, NR_hypercalls); - ASSERT(hypercall_table != NULL); - - for (i = 0; i < NR_hypercalls; i++) { - if (__hypercall_table[i] == NULL ) { - hypercall_table[i] = 0; - } else { - hypercall_table[i] = (u32)(*__hypercall_table[i]); - } - } -} - -static int init_hcalls(void) -{ - init_papr_hcalls(); - init_hypercall_table(); - - return 0; -} -__initcall(init_hcalls); diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/iommu.c --- a/xen/arch/powerpc/iommu.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,95 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2005, 2007 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#undef DEBUG - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/sched.h> -#include <xen/init.h> -#include <xen/mm.h> -#include <asm/current.h> -#include <asm/papr.h> -#include <asm/hcalls.h> -#include <public/xen.h> -#include "tce.h" -#include "iommu.h" - -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif - -struct iommu_funcs { - int (*iommu_put)(ulong, union tce); -}; - -/* individual host bridges */ -static struct iommu_funcs iommu_phbs[16]; -static u32 iommu_phbs_num = ARRAY_SIZE(iommu_phbs); - -int iommu_put(u32 buid, ulong ioba, union tce tce) -{ - struct vcpu *v = get_current(); - struct domain *d = v->domain; - - if (buid < iommu_phbs_num && iommu_phbs[buid].iommu_put != NULL) { - ulong gmfn; - ulong mfn; - int mtype; - - gmfn = tce.tce_bits.tce_rpn; - - - mfn = pfn2mfn(d, gmfn, &mtype); - if (mfn != INVALID_MFN) { - switch (mtype) { - case PFN_TYPE_LOGICAL: - break; - case PFN_TYPE_FOREIGN: - DBG("%s: assigning to Foriegn page: " - "gmfn: 0x%lx mfn: 0x%lx\n", __func__, gmfn, mfn); - break; - default: - printk("%s: unsupported type[%d]: gmfn: 0x%lx mfn: 0x%lx\n", - __func__, mtype, gmfn, mfn); - return -1; - break; - } - DBG("%s: ioba=0x%lx gmfn=0x%lx mfn=0x%lx\n", __func__, - ioba, gmfn, mfn); - tce.tce_bits.tce_rpn = mfn; - return iommu_phbs[buid].iommu_put(ioba, tce); - } - } - return -1; -} - -int iommu_register(u32 buid, int (*put)(ulong ioba, union tce ltce)) -{ - - if (buid < iommu_phbs_num && iommu_phbs[buid].iommu_put == NULL) { - iommu_phbs[0].iommu_put = put; - return 0; - } - panic("bad IOMMU registration\n"); - return -1; -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/iommu.h --- a/xen/arch/powerpc/iommu.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,28 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#ifndef _IOMMU_H -#define _IOMMU_H - -extern int iommu_put(u32 buid, ulong ioba, union tce tce); -extern int iommu_register(u32 buid, int (*put)(ulong, union tce)); - -#endif /* _IOMMU_H */ - diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/irq.c --- a/xen/arch/powerpc/irq.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,22 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include "exceptions.h" -#include "../x86/irq.c" diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/machine_kexec.c --- a/xen/arch/powerpc/machine_kexec.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,41 +0,0 @@ -#include <xen/lib.h> /* for printk() used in stubs */ -#include <xen/types.h> -#include <xen/kexec.h> -#include <public/kexec.h> - -int machine_kexec_load(int type, int slot, xen_kexec_image_t *image) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); - return -1; -} - -void machine_kexec_unload(int type, int slot, xen_kexec_image_t *image) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); -} - -void machine_reboot_kexec(xen_kexec_image_t *image) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); -} - -void machine_kexec(xen_kexec_image_t *image) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); -} - -int machine_kexec_get(xen_kexec_image_t *image) -{ - printk("STUB: " __FILE__ ": %s: not implemented\n", __FUNCTION__); - return -1; -} - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/memory.c --- a/xen/arch/powerpc/memory.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,224 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2006, 2007 - * - * Authors: Dan Poff <poff@xxxxxxxxxx> - * Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ -#include <xen/sched.h> -#include <xen/mm.h> -#include <xen/numa.h> -#include <asm/boot.h> -#include "of-devtree.h" -#include "oftree.h" -#include "rtas.h" - -#define DEBUG -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif - -/* - * opt_xenheap_megabytes: Size of Xen heap in megabytes, excluding the - * page_info table and allocation bitmap. - */ -static unsigned int opt_xenheap_megabytes = XENHEAP_DEFAULT_MB; -integer_param("xenheap_megabytes", opt_xenheap_megabytes); - -unsigned long xenheap_phys_end; -static uint nr_pages; -static ulong xenheap_size; - -struct membuf { - ulong start; - ulong size; -}; - -typedef void (*walk_mem_fn)(struct membuf *, uint); - -static void set_max_page(struct membuf *mb, uint entries) -{ - int i; - - for (i = 0; i < entries; i++) { - ulong end_page; - - printk(" %016lx: %016lx\n", mb[i].start, mb[i].size); - nr_pages += mb[i].size >> PAGE_SHIFT; - - end_page = (mb[i].start + mb[i].size) >> PAGE_SHIFT; - if (end_page > max_page) - max_page = end_page; - } -} - -/* mark all memory from modules onward as unused */ -static void heap_init(struct membuf *mb, uint entries) -{ - int i; - ulong start_blk; - ulong end_blk = 0; - - for (i = 0; i < entries; i++) { - start_blk = mb[i].start; - end_blk = start_blk + mb[i].size; - - if (start_blk < xenheap_phys_end) { - if (xenheap_phys_end > end_blk) { - panic("xenheap spans LMB\n"); - } - if (xenheap_phys_end == end_blk) - continue; - - start_blk = xenheap_phys_end; - } - - DBG("boot free: %016lx - %016lx\n", start_blk, end_blk); - init_boot_pages(start_blk, end_blk); - total_pages += (end_blk - start_blk) >> PAGE_SHIFT; - } -} - -static void ofd_walk_mem(void *m, walk_mem_fn fn) -{ - ofdn_t n; - uint p_len; - struct membuf mb[8]; - static char name[] = "memory"; - - n = ofd_node_find_by_prop(m, OFD_ROOT, "device_type", name, sizeof(name)); - while (n > 0) { - - p_len = ofd_getprop(m, n, "reg", mb, sizeof (mb)); - if (p_len <= 0) { - panic("ofd_getprop(): failed\n"); - } - if (p_len > sizeof(mb)) - panic("%s: buffer is not big enuff for this firmware: " - "0x%lx < 0x%x\n", __func__, sizeof(mb), p_len); - - fn(mb, p_len / sizeof(mb[0])); - n = ofd_node_find_next(m, n); - } -} - -void memory_init(void) -{ - ulong eomem; - ulong bitmap_start = ~0UL; - ulong bitmap_end = 0; - ulong bitmap_size; - ulong xh_pages; - ulong start; - ulong end; - int pos; - - /* lets find out how much memory there is and set max_page */ - max_page = 0; - printk("Physical RAM map:\n"); - ofd_walk_mem((void *)oftree, set_max_page); - eomem = max_page << PAGE_SHIFT; - if (eomem == 0) { - panic("ofd_walk_mem() failed\n"); - } - - xh_pages = opt_xenheap_megabytes << (20 - PAGE_SHIFT); - - /* While we are allocating HTABS from The Xen Heap we need it to - * be larger */ - xh_pages += nr_pages >> 5; - - xenheap_phys_end = xh_pages << PAGE_SHIFT; - printk("End of Xen Area: %luMiB (%luKiB)\n", - xenheap_phys_end >> 20, xenheap_phys_end >> 10); - - printk("End of RAM: %luMiB (%luKiB)\n", eomem >> 20, eomem >> 10); - - /* The boot allocator requires one bit per page. Find a spot for it. */ - bitmap_size = max_page / 8; - pos = boot_of_mem_avail(0, &start, &end); - while (pos >= 0) { - if (end - start >= bitmap_size) { - bitmap_start = start; - bitmap_end = init_boot_allocator(bitmap_start); - printk("boot allocator @ %lx - %lx\n", bitmap_start, bitmap_end); - break; - } - pos = boot_of_mem_avail(pos, &start, &end); - } - if (bitmap_start == ~0UL) - panic("Couldn't find 0x%lx bytes for boot allocator.", bitmap_size); - - /* allow everything else to be allocated */ - total_pages = 0; - ofd_walk_mem((void *)oftree, heap_init); - if (total_pages == 0) - panic("heap_init: failed"); - - if (total_pages > max_page) - panic("total_pages > max_page: 0x%lx > 0x%lx\n", - total_pages, max_page); - - DBG("total_pages: 0x%016lx\n", total_pages); - - init_frametable(); - init_machine_to_phys_table(); - - numa_initmem_init(0, max_page); - - /* Domain heap gets all the unclaimed memory. */ - end_boot_allocator(); - - /* Create initial xen heap by finding non-reserved memory. */ - pos = boot_of_mem_avail(0, &start, &end); - while (pos >= 0) { - if (end == ~0UL) - end = xenheap_phys_end; - - /* Problem: the bitmap itself is not reserved. */ - if ((start >= bitmap_start) && (start < bitmap_end)) { - /* Start is inside bitmap. */ - start = bitmap_end; - } - if ((end > bitmap_start) && (end <= bitmap_end)) { - /* End is inside bitmap. */ - end = bitmap_start; - } - if ((start < bitmap_start) && (end > bitmap_end)) { - /* Range encompasses bitmap. First free low part, then high. */ - xenheap_size += bitmap_start - start; - DBG("xenheap: %016lx - %016lx\n", start, bitmap_start); - init_xenheap_pages(start, bitmap_start); - start = bitmap_end; - } - - xenheap_size += end - start; - DBG("xenheap: %016lx - %016lx\n", start, end); - init_xenheap_pages(start, end); - - pos = boot_of_mem_avail(pos, &start, &end); - } - - printk("Xen Heap: %luMiB (%luKiB)\n", - xenheap_size >> 20, xenheap_size >> 10); - - eomem = avail_domheap_pages(); - printk("Dom Heap: %luMiB (%luKiB)\n", - (eomem << PAGE_SHIFT) >> 20, - (eomem << PAGE_SHIFT) >> 10); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/mm.c --- a/xen/arch/powerpc/mm.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,617 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005, 2006 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - * Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - * Ryan Harper <ryanh@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/mm.h> -#include <xen/paging.h> -#include <xen/kernel.h> -#include <xen/sched.h> -#include <xen/perfc.h> -#include <asm/init.h> -#include <asm/page.h> -#include <asm/platform.h> -#include <asm/string.h> -#include <asm/platform.h> -#include <public/arch-powerpc.h> - -#ifdef VERBOSE -#define MEM_LOG(_f, _a...) \ - printk("DOM%u: (file=mm.c, line=%d) " _f "\n", \ - current->domain->domain_id , __LINE__ , ## _a ) -#else -#define MEM_LOG(_f, _a...) ((void)0) -#endif - -/* Frame table and its size in pages. */ -struct page_info *frame_table; -unsigned long max_page; -unsigned long total_pages; - -/* machine to phys mapping to used by all domains */ -unsigned long *machine_phys_mapping; - -void __init init_frametable(void) -{ - unsigned long p; - unsigned long nr_pages; - int i; - - nr_pages = PFN_UP(max_page * sizeof(struct page_info)); - - p = alloc_boot_pages(nr_pages, 1); - if (p == 0) - panic("Not enough memory for frame table\n"); - - frame_table = (struct page_info *)(p << PAGE_SHIFT); - for (i = 0; i < nr_pages; i += 1) - clear_page((void *)((p + i) << PAGE_SHIFT)); -} - -/* Array of PFNs, indexed by MFN. */ -void __init init_machine_to_phys_table(void) -{ - unsigned long p; - unsigned long nr_pages; - int i; - - nr_pages = PFN_UP(max_page * sizeof(unsigned long)); - - p = alloc_boot_pages(nr_pages, 1); - if (p == 0) - panic("Not enough memory for machine phys mapping table\n"); - - machine_phys_mapping = (unsigned long *)(p << PAGE_SHIFT); - for (i = 0; i < nr_pages; i += 1) - clear_page((void *)((p + i) << PAGE_SHIFT)); -} - -void share_xen_page_with_guest( - struct page_info *page, struct domain *d, int readonly) -{ - if ( page_get_owner(page) == d ) - return; - - /* this causes us to leak pages in the Domain and reuslts in - * Zombie domains, I think we are missing a piece, until we find - * it we disable the following code */ - set_gpfn_from_mfn(page_to_mfn(page), INVALID_M2P_ENTRY); - - spin_lock(&d->page_alloc_lock); - - /* The incremented type count pins as writable or read-only. */ - page->u.inuse.type_info = (readonly ? PGT_none : PGT_writable_page); - page->u.inuse.type_info |= PGT_validated | 1; - - page_set_owner(page, d); - wmb(); /* install valid domain ptr before updating refcnt. */ - ASSERT(page->count_info == 0); - - /* Only add to the allocation list if the domain isn't dying. */ - if ( !d->is_dying ) - { - page->count_info |= PGC_allocated | 1; - if ( unlikely(d->xenheap_pages++ == 0) ) - get_knownalive_domain(d); - list_add_tail(&page->list, &d->xenpage_list); - } - - spin_unlock(&d->page_alloc_lock); -} - -void share_xen_page_with_privileged_guests( - struct page_info *page, int readonly) -{ - unimplemented(); -} - -static ulong foreign_to_mfn(struct domain *d, ulong pfn) -{ - - pfn -= 1UL << cpu_foreign_map_order(); - - BUG_ON(pfn >= d->arch.foreign_mfn_count); - - return d->arch.foreign_mfns[pfn]; -} - -static int set_foreign(struct domain *d, ulong pfn, ulong mfn) -{ - pfn -= 1UL << cpu_foreign_map_order(); - - BUG_ON(pfn >= d->arch.foreign_mfn_count); - d->arch.foreign_mfns[pfn] = mfn; - - return 0; -} - -static int create_grant_va_mapping( - unsigned long va, unsigned long frame, struct vcpu *v) -{ - if (v->domain->domain_id != 0) { - printk("only Dom0 can map a grant entry\n"); - BUG(); - return GNTST_permission_denied; - } - set_foreign(v->domain, va >> PAGE_SHIFT, frame); - return GNTST_okay; -} - -static int destroy_grant_va_mapping( - unsigned long addr, unsigned long frame, struct domain *d) -{ - if (d->domain_id != 0) { - printk("only Dom0 can map a grant entry\n"); - BUG(); - return GNTST_permission_denied; - } - set_foreign(d, addr >> PAGE_SHIFT, ~0UL); - return GNTST_okay; -} - -int create_grant_host_mapping( - unsigned long addr, unsigned long frame, unsigned int flags, unsigned int cache_flags) -{ - if (flags & GNTMAP_application_map) { - printk("%s: GNTMAP_application_map not supported\n", __func__); - BUG(); - return GNTST_general_error; - } - if (flags & GNTMAP_contains_pte) { - printk("%s: GNTMAP_contains_pte not supported\n", __func__); - BUG(); - return GNTST_general_error; - } - if (cache_flags) { - printk("%s: cache_flags not supported\n", __func__); - BUG(); - return GNTST_general_error; - } - return create_grant_va_mapping(addr, frame, current); -} - -int replace_grant_host_mapping( - unsigned long addr, unsigned long frame, unsigned long new_addr, - unsigned int flags) -{ - if (new_addr) { - printk("%s: new_addr not supported\n", __func__); - BUG(); - return GNTST_general_error; - } - - if (flags & GNTMAP_contains_pte) { - printk("%s: GNTMAP_contains_pte not supported\n", __func__); - BUG(); - return GNTST_general_error; - } - - /* may have force the remove here */ - return destroy_grant_va_mapping(addr, frame, current->domain); -} - -int steal_page(struct domain *d, struct page_info *page, unsigned int memflags) -{ - panic("%s called\n", __func__); - return 1; -} - -void put_page_type(struct page_info *page) -{ - unsigned long nx, x, y = page->u.inuse.type_info; - - do { - x = y; - nx = x - 1; - - ASSERT((x & PGT_count_mask) != 0); - - /* - * The page should always be validated while a reference is held. The - * exception is during domain destruction, when we forcibly invalidate - * page-table pages if we detect a referential loop. - * See domain.c:relinquish_list(). - */ - ASSERT((x & PGT_validated) || page_get_owner(page)->is_dying); - - if ( unlikely((nx & PGT_count_mask) == 0) ) - { - /* Record TLB information for flush later. */ - page->tlbflush_timestamp = tlbflush_current_time(); - } - } - while ( unlikely((y = cmpxchg(&page->u.inuse.type_info, x, nx)) != x) ); -} - - -int get_page_type(struct page_info *page, unsigned long type) -{ - unsigned long nx, x, y = page->u.inuse.type_info; - - ASSERT(!(type & ~PGT_type_mask)); - - again: - do { - x = y; - nx = x + 1; - if ( unlikely((nx & PGT_count_mask) == 0) ) - { - MEM_LOG("Type count overflow on pfn %lx", page_to_mfn(page)); - return 0; - } - else if ( unlikely((x & PGT_count_mask) == 0) ) - { - if ( (x & PGT_type_mask) != type ) - { - /* - * On type change we check to flush stale TLB entries. This - * may be unnecessary (e.g., page was GDT/LDT) but those - * circumstances should be very rare. - */ - cpumask_t mask = - page_get_owner(page)->domain_dirty_cpumask; - tlbflush_filter(mask, page->tlbflush_timestamp); - - if ( unlikely(!cpus_empty(mask)) ) - { - perfc_incr(need_flush_tlb_flush); - flush_tlb_mask(mask); - } - - /* We lose existing type, back pointer, and validity. */ - nx &= ~(PGT_type_mask | PGT_validated); - nx |= type; - - /* No special validation needed for writable pages. */ - /* Page tables and GDT/LDT need to be scanned for validity. */ - if ( type == PGT_writable_page ) - nx |= PGT_validated; - } - } - else if ( unlikely((x & PGT_type_mask) != type) ) - { - return 0; - } - else if ( unlikely(!(x & PGT_validated)) ) - { - /* Someone else is updating validation of this page. Wait... */ - while ( (y = page->u.inuse.type_info) == x ) - cpu_relax(); - goto again; - } - } - while ( unlikely((y = cmpxchg(&page->u.inuse.type_info, x, nx)) != x) ); - - if ( unlikely(!(nx & PGT_validated)) ) - { - /* Noone else is updating simultaneously. */ - __set_bit(_PGT_validated, &page->u.inuse.type_info); - } - - return 1; -} - -long arch_memory_op(int op, XEN_GUEST_HANDLE(void) arg) -{ - printk("%s: no PPC specific memory ops\n", __func__); - return -ENOSYS; -} - -extern void copy_page(void *dp, void *sp) -{ - if (on_systemsim()) { - systemsim_memcpy(dp, sp, PAGE_SIZE); - } else { - memcpy(dp, sp, PAGE_SIZE); - } -} - -/* Allocate (rma_nrpages - nrpages) more memory for domain in proper size. */ -uint allocate_extents(struct domain *d, uint nrpages, uint rma_nrpages) -{ - struct page_info *pg; - ulong mfn; - ulong gpfn = rma_nrpages; /* starting PFN at end of RMA */ - uint ext_order; - uint ext_nrpages; - uint total_nrpages; - int i; - - ext_order = cpu_extent_order(); - ext_nrpages = 1 << ext_order; - - total_nrpages = rma_nrpages; - - /* We only allocate in nr_extsz chunks so if you are not divisible - * you get more than you asked for. */ - while (total_nrpages < nrpages) { - pg = alloc_domheap_pages(d, ext_order, 0); - if (pg == NULL) - return total_nrpages; - - /* Build p2m mapping for newly allocated extent. */ - mfn = page_to_mfn(pg); - for (i = 0; i < (1 << ext_order); i++) - guest_physmap_add_page(d, gpfn + i, mfn + i); - - /* Bump starting PFN by extent size pages. */ - gpfn += ext_nrpages; - - total_nrpages += ext_nrpages; - } - - return total_nrpages; -} - -int allocate_rma(struct domain *d, unsigned int order) -{ - struct vcpu *v; - ulong rma_base; - ulong rma_sz; - ulong mfn; - int i; - - if (d->arch.rma_page) - return -EINVAL; - - d->arch.rma_page = alloc_domheap_pages(d, order, 0); - if (d->arch.rma_page == NULL) { - gdprintk(XENLOG_INFO, "Could not allocate order=%d RMA for domain %u\n", - order, d->domain_id); - return -ENOMEM; - } - d->arch.rma_order = order; - - rma_base = page_to_maddr(d->arch.rma_page); - rma_sz = rma_size(d->arch.rma_order); - - BUG_ON(rma_base & (rma_sz - 1)); /* check alignment */ - - printk("allocated RMA for Dom[%d]: 0x%lx[0x%lx]\n", - d->domain_id, rma_base, rma_sz); - - mfn = page_to_mfn(d->arch.rma_page); - - for (i = 0; i < (1 << d->arch.rma_order); i++ ) { - d->arch.rma_page[i].count_info |= PGC_page_RMA; - clear_page((void *)page_to_maddr(&d->arch.rma_page[i])); - - /* Set up p2m mapping for RMA. */ - guest_physmap_add_page(d, i, mfn+i); - } - - /* shared_info uses last page of RMA */ - d->shared_info = (shared_info_t *) (rma_base + rma_sz - PAGE_SIZE); - - /* if there are already running vcpus, adjust v->vcpu_info */ - /* XXX untested */ - for_each_vcpu(d, v) { - v->vcpu_info = &d->shared_info->vcpu_info[v->vcpu_id]; - } - - return 0; -} - -void free_rma_check(struct page_info *page) -{ - if (test_bit(_PGC_page_RMA, &page->count_info)) { - if (!page_get_owner(page)->is_dying) { - panic("Attempt to free an RMA page: 0x%lx\n", page_to_mfn(page)); - } else { - clear_bit(_PGC_page_RMA, &page->count_info); - } - } -} - -ulong pfn2mfn(struct domain *d, ulong pfn, int *type) -{ - ulong mfn = INVALID_MFN; - int t = PFN_TYPE_NONE; - ulong foreign_map_pfn = 1UL << cpu_foreign_map_order(); - - /* quick tests first */ - if (pfn & foreign_map_pfn) { - t = PFN_TYPE_FOREIGN; - mfn = foreign_to_mfn(d, pfn); - } else if (pfn >= max_page && pfn < - (max_page + nr_grant_frames(d->grant_table))) { - /* XXX access d->grant_table->nr_grant_frames without lock. - * Currently on powerpc dynamic expanding grant table is - * inhibited by setting max_nr_grant_frames = INITIAL_NR_GRANT_FRAMES - * so that this access is safe. - */ - /* Its a grant table access */ - t = PFN_TYPE_GNTTAB; - mfn = gnttab_shared_mfn(d, d->grant_table, (pfn - max_page)); - } else if (d->is_privileged && platform_io_mfn(pfn)) { - t = PFN_TYPE_IO; - mfn = pfn; - } else { - if (pfn < d->arch.p2m_entries) { - t = PFN_TYPE_LOGICAL; - mfn = d->arch.p2m[pfn]; - } -#ifdef DEBUG - if (t != PFN_TYPE_NONE && d->is_dying && - page_get_owner(mfn_to_page(mfn)) != d) { - printk("%s: page type: %d owner Dom[%d]:%p expected Dom[%d]:%p\n", - __func__, t, - page_get_owner(mfn_to_page(mfn))->domain_id, - page_get_owner(mfn_to_page(mfn)), - d->domain_id, d); - BUG(); - } -#endif - } - - if (t == PFN_TYPE_NONE) { - /* This hack allows dom0 to map all memory, necessary to - * initialize domU state. */ - if (d->is_privileged && mfn_valid(pfn)) { - struct page_info *pg; - - /* page better be allocated to some domain but not the caller */ - pg = mfn_to_page(pfn); - if (!(pg->count_info & PGC_allocated)) - panic("Foreign page: 0x%lx is not owned by any domain\n", - mfn); - if (page_get_owner(pg) == d) - panic("Foreign page: 0x%lx is owned by this domain\n", - mfn); - - t = PFN_TYPE_FOREIGN; - mfn = pfn; - } - } - - if (mfn == INVALID_MFN) { - printk("%s: Dom[%d] pfn 0x%lx is not a valid page\n", - __func__, d->domain_id, pfn); - } - - if (type) - *type = t; - - return mfn; -} - -unsigned long mfn_to_gmfn(struct domain *d, unsigned long mfn) -{ - struct page_info *pg = mfn_to_page(mfn); - ulong gnttab_mfn; - - /* is this our mfn? */ - if (page_get_owner(pg) != d) - return INVALID_M2P_ENTRY; - - /* XXX access d->grant_table->nr_grant_frames without lock. - * Currently on powerpc dynamic expanding grant table is - * inhibited by setting max_nr_grant_frames = INITIAL_NR_GRANT_FRAMES - * so that this access is safe. - */ - /* grant? */ - gnttab_mfn = gnttab_shared_mfn(d, d->grant_table, 0); - if (mfn >= gnttab_mfn && mfn < - (gnttab_mfn + nr_grant_frames(d->grant_table))) - return max_page + (mfn - gnttab_mfn); - - /* IO? */ - if (d->is_privileged && platform_io_mfn(mfn)) - return mfn; - - /* check m2p table */ - return get_gpfn_from_mfn(mfn); -} - -/* NB: caller holds d->page_alloc lock, sets d->max_pages = new_max */ -int guest_physmap_max_mem_pages(struct domain *d, unsigned long new_max_pages) -{ - u32 *p2m_array = NULL; - u32 *p2m_old = NULL; - ulong i; - - /* XXX We probably could, but right now we don't shrink the p2m array. - * NB: d->max_pages >= d->arch.p2m_entries */ - if (new_max_pages < d->max_pages) { - printk("Can't shrink DOM%d max memory pages\n", d->domain_id); - return -EINVAL; - } - - /* Allocate one u32 per page. */ - p2m_array = xmalloc_array(u32, new_max_pages); - if (p2m_array == NULL) - return -ENOMEM; - - /* Copy old mappings into new array. */ - if (d->arch.p2m != NULL) { - /* XXX This could take a long time; we should use a continuation. */ - memcpy(p2m_array, d->arch.p2m, d->arch.p2m_entries * sizeof(u32)); - p2m_old = d->arch.p2m; - } - - /* Mark new mfns as invalid. */ - for (i = d->arch.p2m_entries; i < new_max_pages; i++) - p2m_array[i] = INVALID_MFN; - - /* Set new p2m pointer and size. */ - d->arch.p2m = p2m_array; - d->arch.p2m_entries = new_max_pages; - - /* Free old p2m array if present. */ - if (p2m_old) - xfree(p2m_old); - - return 0; -} - -void guest_physmap_add_page( - struct domain *d, unsigned long gpfn, unsigned long mfn) -{ - if (page_get_owner(mfn_to_page(mfn)) != d) { - printk("Won't map foreign MFN 0x%lx for DOM%d\n", mfn, d->domain_id); - return; - } - - /* Check that pfn is within guest table. */ - if (gpfn >= d->arch.p2m_entries) { - printk("Won't map invalid PFN 0x%lx for DOM%d\n", gpfn, d->domain_id); - return; - } - - /* Warn if there is an existing mapping. */ - /* XXX: probably shouldn't let this happen, but - current interface doesn't throw errors. =( */ - if (d->arch.p2m[gpfn] != INVALID_MFN) - printk("Ack! PFN aliased. PFN%lx, old MFN=%x, new MFN=%lx\n", - gpfn, d->arch.p2m[gpfn], mfn); - - /* PFN and MFN ok, map in p2m table. */ - d->arch.p2m[gpfn] = mfn; - - /* Map in m2p table. */ - set_gpfn_from_mfn(mfn, gpfn); -} - -void guest_physmap_remove_page( - struct domain *d, unsigned long gpfn, unsigned long mfn) -{ - if (page_get_owner(mfn_to_page(mfn)) != d) { - printk("Won't unmap foreign MFN 0x%lx for DOM%d\n", mfn, d->domain_id); - return; - } - - /* check that pfn is within guest table */ - if (gpfn >= d->arch.p2m_entries) { - printk("Won't unmap invalid PFN 0x%lx for DOM%d\n", gpfn, d->domain_id); - return; - } - - /* PFN and MFN ok, unmap from p2m table. */ - d->arch.p2m[gpfn] = INVALID_MFN; - - /* Unmap from m2p table. */ - set_gpfn_from_mfn(mfn, INVALID_M2P_ENTRY); -} - -void shadow_drop_references( - struct domain *d, struct page_info *page) -{ -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/mpic.c --- a/xen/arch/powerpc/mpic.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1100 +0,0 @@ -/* - * arch/powerpc/kernel/mpic.c - * - * Driver for interrupt controllers following the OpenPIC standard, the - * common implementation beeing IBM's MPIC. This driver also can deal - * with various broken implementations of this HW. - * - * Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -/* XXX Xen hacks ... */ -/* make this generic */ - -#define le32_to_cpu(x) \ - ({ \ - __u32 __x = (x); \ - ((__u32)( \ - (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | \ - (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | \ - (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | \ - (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); \ - }) - - -#define alloc_bootmem(x) xmalloc_bytes(x) - -#define IRQ_NONE (0) -#define IRQ_HANDLED (1) -#define IRQ_RETVAL(x) ((x) != 0) - -#define IRQ_SENSE_MASK 0x1 -#define IRQ_SENSE_LEVEL 0x1 /* interrupt on active level */ -#define IRQ_SENSE_EDGE 0x0 /* interrupt triggered by edge */ - -#define IRQ_POLARITY_MASK 0x2 -#define IRQ_POLARITY_POSITIVE 0x2 /* high level or low->high edge */ -#define IRQ_POLARITY_NEGATIVE 0x0 /* low level or high->low edge */ - -#define CONFIG_IRQ_ALL_CPUS 0 -#define distribute_irqs CONFIG_IRQ_ALL_CPUS -#define CONFIG_MPIC_BROKEN_U3 - -#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) -#define PCI_FUNC(devfn) ((devfn) & 0x07) -#define PCI_HEADER_TYPE 0x0e /* 8 bits */ -#define PCI_VENDOR_ID 0x00 /* 16 bits */ -#define PCI_VENDOR_ID_AMD 0x1022 -#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ -#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ -#define PCI_CAP_LIST_ID 0 /* Capability ID */ -#define PCI_CAP_ID_HT_IRQCONF 0x08 /* HyperTransport IRQ Configuration */ -#define PCI_STATUS 0x06 /* 16 bits */ -#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ -#define MSG_ALL 0x8001 -#define MSG_ALL_BUT_SELF 0x8000 - -/* keeps file even closer to the original */ -#define pt_regs cpu_user_regs -/* XXX ... Xen hacks */ - -#undef DEBUG -#undef DEBUG_IPI -#undef DEBUG_IRQ -#undef DEBUG_LOW - -#include <xen/config.h> -#include <xen/types.h> -#include <xen/kernel.h> -#include <xen/init.h> -#include <xen/irq.h> -#include <xen/smp.h> -#ifndef __XEN__ -#include <linux/interrupt.h> -#include <linux/bootmem.h> -#endif -#include <xen/spinlock.h> -#ifndef __XEN__ -#include <asm/pci.h> - -#include <asm/ptrace.h> -#include <asm/signal.h> -#endif -#include <asm/io.h> -#ifndef __XEN__ -#include <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/machdep.h> -#endif -#include <asm/mpic.h> -#include <asm/smp.h> - -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif - -static struct mpic *mpics; -static struct mpic *mpic_primary; -static DEFINE_SPINLOCK(mpic_lock); - -#ifdef CONFIG_PPC32 /* XXX for now */ -#ifdef CONFIG_IRQ_ALL_CPUS -#define distribute_irqs (1) -#else -#define distribute_irqs (0) -#endif -#endif - -/* - * Register accessor functions - */ - - -static inline u32 _mpic_read(unsigned int be, volatile u32 __iomem *base, - unsigned int reg) -{ - if (be) - return in_be32(base + (reg >> 2)); - else - return in_le32(base + (reg >> 2)); -} - -static inline void _mpic_write(unsigned int be, volatile u32 __iomem *base, - unsigned int reg, u32 value) -{ - if (be) - out_be32(base + (reg >> 2), value); - else - out_le32(base + (reg >> 2), value); -} - -static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi) -{ - unsigned int be = (mpic->flags & MPIC_BIG_ENDIAN) != 0; - unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10); - - if (mpic->flags & MPIC_BROKEN_IPI) - be = !be; - return _mpic_read(be, mpic->gregs, offset); -} - -static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 value) -{ - unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10); - - _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->gregs, offset, value); -} - -static inline u32 _mpic_cpu_read(struct mpic *mpic, unsigned int reg) -{ - unsigned int cpu = 0; - - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); - - return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->cpuregs[cpu], reg); -} - -static inline void _mpic_cpu_write(struct mpic *mpic, unsigned int reg, u32 value) -{ - unsigned int cpu = 0; - - if (mpic->flags & MPIC_PRIMARY) - cpu = hard_smp_processor_id(); - - _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->cpuregs[cpu], reg, value); -} - -static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigned int reg) -{ - unsigned int isu = src_no >> mpic->isu_shift; - unsigned int idx = src_no & mpic->isu_mask; - - return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu], - reg + (idx * MPIC_IRQ_STRIDE)); -} - -static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no, - unsigned int reg, u32 value) -{ - unsigned int isu = src_no >> mpic->isu_shift; - unsigned int idx = src_no & mpic->isu_mask; - - _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu], - reg + (idx * MPIC_IRQ_STRIDE), value); -} - -#define mpic_read(b,r) _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,(b),(r)) -#define mpic_write(b,r,v) _mpic_write(mpic->flags & MPIC_BIG_ENDIAN,(b),(r),(v)) -#define mpic_ipi_read(i) _mpic_ipi_read(mpic,(i)) -#define mpic_ipi_write(i,v) _mpic_ipi_write(mpic,(i),(v)) -#define mpic_cpu_read(i) _mpic_cpu_read(mpic,(i)) -#define mpic_cpu_write(i,v) _mpic_cpu_write(mpic,(i),(v)) -#define mpic_irq_read(s,r) _mpic_irq_read(mpic,(s),(r)) -#define mpic_irq_write(s,r,v) _mpic_irq_write(mpic,(s),(r),(v)) - - -/* - * Low level utility functions - */ - - - -/* Check if we have one of those nice broken MPICs with a flipped endian on - * reads from IPI registers - */ -static void __init mpic_test_broken_ipi(struct mpic *mpic) -{ - u32 r; - - mpic_write(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0, MPIC_VECPRI_MASK); - r = mpic_read(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0); - - if (r == le32_to_cpu(MPIC_VECPRI_MASK)) { - printk(KERN_INFO "mpic: Detected reversed IPI registers\n"); - mpic->flags |= MPIC_BROKEN_IPI; - } -} - -#ifdef CONFIG_MPIC_BROKEN_U3 - -/* Test if an interrupt is sourced from HyperTransport (used on broken U3s) - * to force the edge setting on the MPIC and do the ack workaround. - */ -static inline int mpic_is_ht_interrupt(struct mpic *mpic, unsigned int source) -{ - if (source >= 128 || !mpic->fixups) - return 0; - return mpic->fixups[source].base != NULL; -} - - -static inline void mpic_ht_end_irq(struct mpic *mpic, unsigned int source) -{ - struct mpic_irq_fixup *fixup = &mpic->fixups[source]; - - if (fixup->applebase) { - unsigned int soff = (fixup->index >> 3) & ~3; - unsigned int mask = 1U << (fixup->index & 0x1f); - writel(mask, fixup->applebase + soff); - } else { - spin_lock(&mpic->fixup_lock); - writeb(0x11 + 2 * fixup->index, fixup->base + 2); - writel(fixup->data, fixup->base + 4); - spin_unlock(&mpic->fixup_lock); - } -} - -static void mpic_startup_ht_interrupt(struct mpic *mpic, unsigned int source, - unsigned int irqflags) -{ - struct mpic_irq_fixup *fixup = &mpic->fixups[source]; - unsigned long flags; - u32 tmp; - - if (fixup->base == NULL) - return; - - DBG("startup_ht_interrupt(%u, %u) index: %d\n", - source, irqflags, fixup->index); - spin_lock_irqsave(&mpic->fixup_lock, flags); - /* Enable and configure */ - writeb(0x10 + 2 * fixup->index, fixup->base + 2); - tmp = readl(fixup->base + 4); - tmp &= ~(0x23U); - if (irqflags & IRQ_LEVEL) - tmp |= 0x22; - writel(tmp, fixup->base + 4); - spin_unlock_irqrestore(&mpic->fixup_lock, flags); -} - -static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, - unsigned int irqflags) -{ - struct mpic_irq_fixup *fixup = &mpic->fixups[source]; - unsigned long flags; - u32 tmp; - - if (fixup->base == NULL) - return; - - DBG("shutdown_ht_interrupt(%u, %u)\n", source, irqflags); - - /* Disable */ - spin_lock_irqsave(&mpic->fixup_lock, flags); - writeb(0x10 + 2 * fixup->index, fixup->base + 2); - tmp = readl(fixup->base + 4); - tmp |= 1; - writel(tmp, fixup->base + 4); - spin_unlock_irqrestore(&mpic->fixup_lock, flags); -} - -static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase, - unsigned int devfn, u32 vdid) -{ - int i, irq, n; - u8 __iomem *base; - u32 tmp; - u8 pos; - - for (pos = readb(devbase + PCI_CAPABILITY_LIST); pos != 0; - pos = readb(devbase + pos + PCI_CAP_LIST_NEXT)) { - u8 id = readb(devbase + pos + PCI_CAP_LIST_ID); - if (id == PCI_CAP_ID_HT_IRQCONF) { - id = readb(devbase + pos + 3); - if (id == 0x80) - break; - } - } - if (pos == 0) - return; - - base = devbase + pos; - writeb(0x01, base + 2); - n = (readl(base + 4) >> 16) & 0xff; - - printk(KERN_INFO "mpic: - HT:%02x.%x [0x%02x] vendor %04x device %04x" - " has %d irqs\n", - devfn >> 3, devfn & 0x7, pos, vdid & 0xffff, vdid >> 16, n + 1); - - for (i = 0; i <= n; i++) { - writeb(0x10 + 2 * i, base + 2); - tmp = readl(base + 4); - irq = (tmp >> 16) & 0xff; - DBG("HT PIC index 0x%x, irq 0x%x, tmp: %08x\n", i, irq, tmp); - /* mask it , will be unmasked later */ - tmp |= 0x1; - writel(tmp, base + 4); - mpic->fixups[irq].index = i; - mpic->fixups[irq].base = base; - /* Apple HT PIC has a non-standard way of doing EOIs */ - if ((vdid & 0xffff) == 0x106b) - mpic->fixups[irq].applebase = devbase + 0x60; - else - mpic->fixups[irq].applebase = NULL; - writeb(0x11 + 2 * i, base + 2); - mpic->fixups[irq].data = readl(base + 4) | 0x80000000; - } -} - - -static void __init mpic_scan_ht_pics(struct mpic *mpic) -{ - unsigned int devfn; - u8 __iomem *cfgspace; - - printk(KERN_INFO "mpic: Setting up HT PICs workarounds for U3/U4\n"); - - /* Allocate fixups array */ - mpic->fixups = alloc_bootmem(128 * sizeof(struct mpic_irq_fixup)); - BUG_ON(mpic->fixups == NULL); - memset(mpic->fixups, 0, 128 * sizeof(struct mpic_irq_fixup)); - - /* Init spinlock */ - spin_lock_init(&mpic->fixup_lock); - - /* Map U3 config space. We assume all IO-APICs are on the primary bus - * so we only need to map 64kB. - */ - cfgspace = ioremap(0xf2000000, 0x10000); - BUG_ON(cfgspace == NULL); - - /* Now we scan all slots. We do a very quick scan, we read the header - * type, vendor ID and device ID only, that's plenty enough - */ - for (devfn = 0; devfn < 0x100; devfn++) { - u8 __iomem *devbase = cfgspace + (devfn << 8); - u8 hdr_type = readb(devbase + PCI_HEADER_TYPE); - u32 l = readl(devbase + PCI_VENDOR_ID); - u16 s; - - DBG("devfn %x, l: %x\n", devfn, l); - - /* If no device, skip */ - if (l == 0xffffffff || l == 0x00000000 || - l == 0x0000ffff || l == 0xffff0000) - goto next; - /* Check if is supports capability lists */ - s = readw(devbase + PCI_STATUS); - if (!(s & PCI_STATUS_CAP_LIST)) - goto next; - - mpic_scan_ht_pic(mpic, devbase, devfn, l); - - next: - /* next device, if function 0 */ - if (PCI_FUNC(devfn) == 0 && (hdr_type & 0x80) == 0) - devfn += 7; - } -} - -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - -/* Find an mpic associated with a given linux interrupt */ -static struct mpic *mpic_find(unsigned int irq, unsigned int *is_ipi) -{ - struct mpic *mpic = mpics; - - while(mpic) { - /* search IPIs first since they may override the main interrupts */ - if (irq >= mpic->ipi_offset && irq < (mpic->ipi_offset + 4)) { - if (is_ipi) - *is_ipi = 1; - return mpic; - } - if (irq >= mpic->irq_offset && - irq < (mpic->irq_offset + mpic->irq_count)) { - if (is_ipi) - *is_ipi = 0; - return mpic; - } - mpic = mpic -> next; - } - return NULL; -} - -/* Convert a cpu mask from logical to physical cpu numbers. */ -static inline u32 mpic_physmask(u32 cpumask) -{ - int i; - u32 mask = 0; - - for (i = 0; i < NR_CPUS; ++i, cpumask >>= 1) - mask |= (cpumask & 1) << get_hard_smp_processor_id(i); - return mask; -} - -#ifdef CONFIG_SMP -/* Get the mpic structure from the IPI number */ -static inline struct mpic * mpic_from_ipi(unsigned int ipi) -{ - return container_of(irq_desc[ipi].handler, struct mpic, hc_ipi); -} -#endif - -/* Get the mpic structure from the irq number */ -static inline struct mpic * mpic_from_irq(unsigned int irq) -{ - return container_of(irq_desc[irq].handler, struct mpic, hc_irq); -} - -/* Send an EOI */ -static inline void mpic_eoi(struct mpic *mpic) -{ - mpic_cpu_write(MPIC_CPU_EOI, 0); - (void)mpic_cpu_read(MPIC_CPU_WHOAMI); -} - -#ifdef CONFIG_SMP -static irqreturn_t mpic_ipi_action(int irq, void *dev_id, struct pt_regs *regs) -{ - struct mpic *mpic = dev_id; - - smp_message_recv(irq - mpic->ipi_offset, regs); - return IRQ_HANDLED; -} -#endif /* CONFIG_SMP */ - -/* - * Linux descriptor level callbacks - */ - - -static void mpic_enable_irq(unsigned int irq) -{ - unsigned int loops = 100000; - struct mpic *mpic = mpic_from_irq(irq); - unsigned int src = irq - mpic->irq_offset; - - DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src); - - mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI, - mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & - ~MPIC_VECPRI_MASK); - - /* make sure mask gets to controller before we return to user */ - do { - if (!loops--) { - printk(KERN_ERR "mpic_enable_irq timeout\n"); - break; - } - } while(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK); - -#ifdef CONFIG_MPIC_BROKEN_U3 - if (mpic->flags & MPIC_BROKEN_U3) { - unsigned int bsrc = irq - mpic->irq_offset; - if (mpic_is_ht_interrupt(mpic, bsrc) && - (irq_desc[irq].status & IRQ_LEVEL)) - mpic_ht_end_irq(mpic, bsrc); - } -#endif /* CONFIG_MPIC_BROKEN_U3 */ -} - -static unsigned int mpic_startup_irq(unsigned int irq) -{ -#ifdef CONFIG_MPIC_BROKEN_U3 - struct mpic *mpic = mpic_from_irq(irq); - unsigned int src = irq - mpic->irq_offset; -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - mpic_enable_irq(irq); - -#ifdef CONFIG_MPIC_BROKEN_U3 - if (mpic_is_ht_interrupt(mpic, src)) - mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status); -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - return 0; -} - -static void mpic_disable_irq(unsigned int irq) -{ - unsigned int loops = 100000; - struct mpic *mpic = mpic_from_irq(irq); - unsigned int src = irq - mpic->irq_offset; - - DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src); - - mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI, - mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) | - MPIC_VECPRI_MASK); - - /* make sure mask gets to controller before we return to user */ - do { - if (!loops--) { - printk(KERN_ERR "mpic_enable_irq timeout\n"); - break; - } - } while(!(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK)); -} - -static void mpic_shutdown_irq(unsigned int irq) -{ -#ifdef CONFIG_MPIC_BROKEN_U3 - struct mpic *mpic = mpic_from_irq(irq); - unsigned int src = irq - mpic->irq_offset; - - if (mpic_is_ht_interrupt(mpic, src)) - mpic_shutdown_ht_interrupt(mpic, src, irq_desc[irq].status); - -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - mpic_disable_irq(irq); -} - -static void mpic_end_irq(unsigned int irq) -{ - struct mpic *mpic = mpic_from_irq(irq); - -#ifdef DEBUG_IRQ - DBG("%s: end_irq: %d\n", mpic->name, irq); -#endif - /* We always EOI on end_irq() even for edge interrupts since that - * should only lower the priority, the MPIC should have properly - * latched another edge interrupt coming in anyway - */ - -#ifdef CONFIG_MPIC_BROKEN_U3 - if (mpic->flags & MPIC_BROKEN_U3) { - unsigned int src = irq - mpic->irq_offset; - if (mpic_is_ht_interrupt(mpic, src) && - (irq_desc[irq].status & IRQ_LEVEL)) - mpic_ht_end_irq(mpic, src); - } -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - mpic_eoi(mpic); -} - -#ifdef CONFIG_SMP - -static void mpic_enable_ipi(unsigned int irq) -{ - struct mpic *mpic = mpic_from_ipi(irq); - unsigned int src = irq - mpic->ipi_offset; - - DBG("%s: enable_ipi: %d (ipi %d)\n", mpic->name, irq, src); - mpic_ipi_write(src, mpic_ipi_read(src) & ~MPIC_VECPRI_MASK); -} - -static void mpic_disable_ipi(unsigned int irq) -{ - /* NEVER disable an IPI... that's just plain wrong! */ -} - -static void mpic_end_ipi(unsigned int irq) -{ - struct mpic *mpic = mpic_from_ipi(irq); - - /* - * IPIs are marked IRQ_PER_CPU. This has the side effect of - * preventing the IRQ_PENDING/IRQ_INPROGRESS logic from - * applying to them. We EOI them late to avoid re-entering. - * We mark IPI's with SA_INTERRUPT as they must run with - * irqs disabled. - */ - mpic_eoi(mpic); -} - -#endif /* CONFIG_SMP */ - -static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask) -{ - struct mpic *mpic = mpic_from_irq(irq); - - cpumask_t tmp; - - cpus_and(tmp, cpumask, cpu_online_map); - - mpic_irq_write(irq - mpic->irq_offset, MPIC_IRQ_DESTINATION, - mpic_physmask(cpus_addr(tmp)[0])); -} - - -/* - * Exported functions - */ - - -struct mpic * __init mpic_alloc(unsigned long phys_addr, - unsigned int flags, - unsigned int isu_size, - unsigned int irq_offset, - unsigned int irq_count, - unsigned int ipi_offset, - unsigned char *senses, - unsigned int senses_count, - const char *name) -{ - struct mpic *mpic; - u32 reg; - const char *vers; - int i; - - mpic = alloc_bootmem(sizeof(struct mpic)); - if (mpic == NULL) - return NULL; - - - memset(mpic, 0, sizeof(struct mpic)); - mpic->name = name; - - mpic->hc_irq.typename = name; - mpic->hc_irq.startup = mpic_startup_irq; - mpic->hc_irq.shutdown = mpic_shutdown_irq; - mpic->hc_irq.enable = mpic_enable_irq; - mpic->hc_irq.disable = mpic_disable_irq; - mpic->hc_irq.end = mpic_end_irq; - if (flags & MPIC_PRIMARY) - mpic->hc_irq.set_affinity = mpic_set_affinity; -#ifdef CONFIG_SMP - mpic->hc_ipi.typename = name; - mpic->hc_ipi.enable = mpic_enable_ipi; - mpic->hc_ipi.disable = mpic_disable_ipi; - mpic->hc_ipi.end = mpic_end_ipi; -#endif /* CONFIG_SMP */ - - mpic->flags = flags; - mpic->isu_size = isu_size; - mpic->irq_offset = irq_offset; - mpic->irq_count = irq_count; - mpic->ipi_offset = ipi_offset; - mpic->num_sources = 0; /* so far */ - mpic->senses = senses; - mpic->senses_count = senses_count; - - /* Map the global registers */ - mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000); - mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2); - BUG_ON(mpic->gregs == NULL); - - /* Reset */ - if (flags & MPIC_WANTS_RESET) { - mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0, - mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0) - | MPIC_GREG_GCONF_RESET); - while( mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0) - & MPIC_GREG_GCONF_RESET) - mb(); - } - - /* Read feature register, calculate num CPUs and, for non-ISU - * MPICs, num sources as well. On ISU MPICs, sources are counted - * as ISUs are added - */ - reg = mpic_read(mpic->gregs, MPIC_GREG_FEATURE_0); - mpic->num_cpus = ((reg & MPIC_GREG_FEATURE_LAST_CPU_MASK) - >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1; - if (isu_size == 0) - mpic->num_sources = ((reg & MPIC_GREG_FEATURE_LAST_SRC_MASK) - >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1; - - /* Map the per-CPU registers */ - for (i = 0; i < mpic->num_cpus; i++) { - mpic->cpuregs[i] = ioremap(phys_addr + MPIC_CPU_BASE + - i * MPIC_CPU_STRIDE, 0x1000); - BUG_ON(mpic->cpuregs[i] == NULL); - } - - /* Initialize main ISU if none provided */ - if (mpic->isu_size == 0) { - mpic->isu_size = mpic->num_sources; - mpic->isus[0] = ioremap(phys_addr + MPIC_IRQ_BASE, - MPIC_IRQ_STRIDE * mpic->isu_size); - BUG_ON(mpic->isus[0] == NULL); - } - mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1); - mpic->isu_mask = (1 << mpic->isu_shift) - 1; - - /* Display version */ - switch (reg & MPIC_GREG_FEATURE_VERSION_MASK) { - case 1: - vers = "1.0"; - break; - case 2: - vers = "1.2"; - break; - case 3: - vers = "1.3"; - break; - default: - vers = "<unknown>"; - break; - } - printk(KERN_INFO "mpic: Setting up MPIC \"%s\" version %s at %lx, max %d CPUs\n", - name, vers, phys_addr, mpic->num_cpus); - printk(KERN_INFO "mpic: ISU size: %d, shift: %d, mask: %x\n", mpic->isu_size, - mpic->isu_shift, mpic->isu_mask); - - mpic->next = mpics; - mpics = mpic; - - if (flags & MPIC_PRIMARY) - mpic_primary = mpic; - - return mpic; -} - -void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num, - unsigned long phys_addr) -{ - unsigned int isu_first = isu_num * mpic->isu_size; - - BUG_ON(isu_num >= MPIC_MAX_ISU); - - mpic->isus[isu_num] = ioremap(phys_addr, MPIC_IRQ_STRIDE * mpic->isu_size); - if ((isu_first + mpic->isu_size) > mpic->num_sources) - mpic->num_sources = isu_first + mpic->isu_size; -} - -void __init mpic_setup_cascade(unsigned int irq, mpic_cascade_t handler, - void *data) -{ - struct mpic *mpic = mpic_find(irq, NULL); - unsigned long flags; - - /* Synchronization here is a bit dodgy, so don't try to replace cascade - * interrupts on the fly too often ... but normally it's set up at boot. - */ - spin_lock_irqsave(&mpic_lock, flags); - if (mpic->cascade) - mpic_disable_irq(mpic->cascade_vec + mpic->irq_offset); - mpic->cascade = NULL; - wmb(); - mpic->cascade_vec = irq - mpic->irq_offset; - mpic->cascade_data = data; - wmb(); - mpic->cascade = handler; - mpic_enable_irq(irq); - spin_unlock_irqrestore(&mpic_lock, flags); -} - -void __init mpic_init(struct mpic *mpic) -{ - int i; - - BUG_ON(mpic->num_sources == 0); - - printk(KERN_INFO "mpic: Initializing for %d sources\n", mpic->num_sources); - - /* Set current processor priority to max */ - mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf); - - /* Initialize timers: just disable them all */ - for (i = 0; i < 4; i++) { - mpic_write(mpic->tmregs, - i * MPIC_TIMER_STRIDE + MPIC_TIMER_DESTINATION, 0); - mpic_write(mpic->tmregs, - i * MPIC_TIMER_STRIDE + MPIC_TIMER_VECTOR_PRI, - MPIC_VECPRI_MASK | - (MPIC_VEC_TIMER_0 + i)); - } - - /* Initialize IPIs to our reserved vectors and mark them disabled for now */ - mpic_test_broken_ipi(mpic); - for (i = 0; i < 4; i++) { - mpic_ipi_write(i, - MPIC_VECPRI_MASK | - (10 << MPIC_VECPRI_PRIORITY_SHIFT) | - (MPIC_VEC_IPI_0 + i)); -#ifdef CONFIG_SMP - if (!(mpic->flags & MPIC_PRIMARY)) - continue; - irq_desc[mpic->ipi_offset+i].status |= IRQ_PER_CPU; - irq_desc[mpic->ipi_offset+i].handler = &mpic->hc_ipi; -#endif /* CONFIG_SMP */ - } - - /* Initialize interrupt sources */ - if (mpic->irq_count == 0) - mpic->irq_count = mpic->num_sources; - -#ifdef CONFIG_MPIC_BROKEN_U3 - /* Do the HT PIC fixups on U3 broken mpic */ - DBG("MPIC flags: %x\n", mpic->flags); - if ((mpic->flags & MPIC_BROKEN_U3) && (mpic->flags & MPIC_PRIMARY)) - mpic_scan_ht_pics(mpic); -#endif /* CONFIG_MPIC_BROKEN_U3 */ - - for (i = 0; i < mpic->num_sources; i++) { - /* start with vector = source number, and masked */ - u32 vecpri = MPIC_VECPRI_MASK | i | (8 << MPIC_VECPRI_PRIORITY_SHIFT); - int level = 0; - - /* if it's an IPI, we skip it */ - if ((mpic->irq_offset + i) >= (mpic->ipi_offset + i) && - (mpic->irq_offset + i) < (mpic->ipi_offset + i + 4)) - continue; - - /* do senses munging */ - if (mpic->senses && i < mpic->senses_count) { - if (mpic->senses[i] & IRQ_SENSE_LEVEL) - vecpri |= MPIC_VECPRI_SENSE_LEVEL; - if (mpic->senses[i] & IRQ_POLARITY_POSITIVE) - vecpri |= MPIC_VECPRI_POLARITY_POSITIVE; - } else - vecpri |= MPIC_VECPRI_SENSE_LEVEL; - - /* remember if it was a level interrupts */ - level = (vecpri & MPIC_VECPRI_SENSE_LEVEL); - - /* deal with broken U3 */ - if (mpic->flags & MPIC_BROKEN_U3) { -#ifdef CONFIG_MPIC_BROKEN_U3 - if (mpic_is_ht_interrupt(mpic, i)) { - vecpri &= ~(MPIC_VECPRI_SENSE_MASK | - MPIC_VECPRI_POLARITY_MASK); - vecpri |= MPIC_VECPRI_POLARITY_POSITIVE; - } -#else - printk(KERN_ERR "mpic: BROKEN_U3 set, but CONFIG doesn't match\n"); -#endif - } - - DBG("setup source %d, vecpri: %08x, level: %d\n", i, vecpri, - (level != 0)); - - /* init hw */ - mpic_irq_write(i, MPIC_IRQ_VECTOR_PRI, vecpri); - mpic_irq_write(i, MPIC_IRQ_DESTINATION, - 1 << hard_smp_processor_id()); - - /* init linux descriptors */ - if (i < mpic->irq_count) { - irq_desc[mpic->irq_offset+i].status = level ? IRQ_LEVEL : 0; - irq_desc[mpic->irq_offset+i].handler = &mpic->hc_irq; - } - } - - /* Init spurrious vector */ - mpic_write(mpic->gregs, MPIC_GREG_SPURIOUS, MPIC_VEC_SPURRIOUS); - - /* Disable 8259 passthrough */ - mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0, - mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0) - | MPIC_GREG_GCONF_8259_PTHROU_DIS); - - /* Set current processor priority to 0 */ - mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0); -} - - - -void mpic_irq_set_priority(unsigned int irq, unsigned int pri) -{ - unsigned is_ipi; - struct mpic *mpic = mpic_find(irq, &is_ipi); - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&mpic_lock, flags); - if (is_ipi) { - reg = mpic_ipi_read(irq - mpic->ipi_offset) & - ~MPIC_VECPRI_PRIORITY_MASK; - mpic_ipi_write(irq - mpic->ipi_offset, - reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT)); - } else { - reg = mpic_irq_read(irq - mpic->irq_offset,MPIC_IRQ_VECTOR_PRI) - & ~MPIC_VECPRI_PRIORITY_MASK; - mpic_irq_write(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI, - reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT)); - } - spin_unlock_irqrestore(&mpic_lock, flags); -} - -unsigned int mpic_irq_get_priority(unsigned int irq) -{ - unsigned is_ipi; - struct mpic *mpic = mpic_find(irq, &is_ipi); - unsigned long flags; - u32 reg; - - spin_lock_irqsave(&mpic_lock, flags); - if (is_ipi) - reg = mpic_ipi_read(irq - mpic->ipi_offset); - else - reg = mpic_irq_read(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI); - spin_unlock_irqrestore(&mpic_lock, flags); - return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT; -} - -void mpic_setup_this_cpu(void) -{ -#ifdef CONFIG_SMP - struct mpic *mpic = mpic_primary; - unsigned long flags; - u32 msk = 1 << hard_smp_processor_id(); - unsigned int i; - - BUG_ON(mpic == NULL); - - DBG("%s: setup_this_cpu(%d)\n", mpic->name, hard_smp_processor_id()); - - spin_lock_irqsave(&mpic_lock, flags); - - /* let the mpic know we want intrs. default affinity is 0xffffffff - * until changed via /proc. That's how it's done on x86. If we want - * it differently, then we should make sure we also change the default - * values of irq_affinity in irq.c. - */ - if (distribute_irqs) { - for (i = 0; i < mpic->num_sources ; i++) - mpic_irq_write(i, MPIC_IRQ_DESTINATION, - mpic_irq_read(i, MPIC_IRQ_DESTINATION) | msk); - } - - /* Set current processor priority to 0 */ - mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0); - - spin_unlock_irqrestore(&mpic_lock, flags); -#endif /* CONFIG_SMP */ -} - -int mpic_cpu_get_priority(void) -{ - struct mpic *mpic = mpic_primary; - - return mpic_cpu_read(MPIC_CPU_CURRENT_TASK_PRI); -} - -void mpic_cpu_set_priority(int prio) -{ - struct mpic *mpic = mpic_primary; - - prio &= MPIC_CPU_TASKPRI_MASK; - mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, prio); -} - -/* - * XXX: someone who knows mpic should check this. - * do we need to eoi the ipi including for kexec cpu here (see xics comments)? - * or can we reset the mpic in the new kernel? - */ -void mpic_teardown_this_cpu(int secondary) -{ - struct mpic *mpic = mpic_primary; - unsigned long flags; - u32 msk = 1 << hard_smp_processor_id(); - unsigned int i; - - BUG_ON(mpic == NULL); - - DBG("%s: teardown_this_cpu(%d)\n", mpic->name, hard_smp_processor_id()); - spin_lock_irqsave(&mpic_lock, flags); - - /* let the mpic know we don't want intrs. */ - for (i = 0; i < mpic->num_sources ; i++) - mpic_irq_write(i, MPIC_IRQ_DESTINATION, - mpic_irq_read(i, MPIC_IRQ_DESTINATION) & ~msk); - - /* Set current processor priority to max */ - mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf); - - spin_unlock_irqrestore(&mpic_lock, flags); -} - - -void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask) -{ - struct mpic *mpic = mpic_primary; - - BUG_ON(mpic == NULL); - -#ifdef DEBUG_IPI - DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no); -#endif - - mpic_cpu_write(MPIC_CPU_IPI_DISPATCH_0 + ipi_no * 0x10, - mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0])); -} - -int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs) -{ - u32 irq; - - irq = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK; -#ifdef DEBUG_LOW - DBG("%s: get_one_irq(): %d\n", mpic->name, irq); -#endif - if (mpic->cascade && irq == mpic->cascade_vec) { -#ifdef DEBUG_LOW - DBG("%s: cascading ...\n", mpic->name); -#endif - irq = mpic->cascade(regs, mpic->cascade_data); - mpic_eoi(mpic); - return irq; - } - if (unlikely(irq == MPIC_VEC_SPURRIOUS)) - return -1; - if (irq < MPIC_VEC_IPI_0) { -#ifdef DEBUG_IRQ - DBG("%s: irq %d\n", mpic->name, irq + mpic->irq_offset); -#endif - return irq + mpic->irq_offset; - } -#ifdef DEBUG_IPI - DBG("%s: ipi %d !\n", mpic->name, irq - MPIC_VEC_IPI_0); -#endif - return irq - MPIC_VEC_IPI_0 + mpic->ipi_offset; -} - -int mpic_get_irq(struct pt_regs *regs) -{ - struct mpic *mpic = mpic_primary; - - BUG_ON(mpic == NULL); - - return mpic_get_one_irq(mpic, regs); -} - - -#ifdef CONFIG_SMP -void mpic_request_ipis(void) -{ - struct mpic *mpic = mpic_primary; - - BUG_ON(mpic == NULL); - - printk("requesting IPIs ... \n"); - - /* IPIs are marked SA_INTERRUPT as they must run with irqs disabled */ - request_irq(mpic->ipi_offset+0, mpic_ipi_action, SA_INTERRUPT, - "IPI0 (call function)", mpic); - request_irq(mpic->ipi_offset+1, mpic_ipi_action, SA_INTERRUPT, - "IPI1 (reschedule)", mpic); - request_irq(mpic->ipi_offset+2, mpic_ipi_action, SA_INTERRUPT, - "IPI2 (unused)", mpic); - request_irq(mpic->ipi_offset+3, mpic_ipi_action, SA_INTERRUPT, - "IPI3 (debugger break)", mpic); - - printk("IPIs requested... \n"); -} - -void smp_mpic_message_pass(int target, int msg) -{ - /* make sure we're sending something that translates to an IPI */ - if ((unsigned int)msg > 3) { - printk("SMP %d: smp_message_pass: unknown msg %d\n", - smp_processor_id(), msg); - return; - } - switch (target) { - case MSG_ALL: - mpic_send_ipi(msg, 0xffffffff); - break; - case MSG_ALL_BUT_SELF: - mpic_send_ipi(msg, 0xffffffff & ~(1 << smp_processor_id())); - break; - default: - mpic_send_ipi(msg, 1 << target); - break; - } -} -#endif /* CONFIG_SMP */ diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/mpic_init.c --- a/xen/arch/powerpc/mpic_init.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,416 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/init.h> -#include <xen/lib.h> -#include <asm/mpic.h> -#include <errno.h> -#include "mpic_init.h" -#include "oftree.h" -#include "of-devtree.h" - -#undef DEBUG -#define CONFIG_SHARE_MPIC - -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif - -#define PANIC(fmt...) DBG(fmt) - -static struct mpic *mpic; -static unsigned long opic_addr; -static unsigned int opic_flags; - -/* - * from OF_IEEE_1275 - * - * pg 175, property "ranges" - * - * The number of integers in each size entry is determined by the - * value of the #size-cells property of this node (the node in which - * the ranges property appears) or 1 if the #size-cells property is - * absent. - * - * - * pg 177, property "reg" - * - * The number of integers in each size entry is determined by the - * value of the "#size-cells" property in the parent node. If the - * parent node has no such property, the value is one. - */ -static unsigned long reg2(void *oft_p, ofdn_t c) -{ - int rc; - /* the struct isa_reg_property is for a value of 2 for - * #address-cells and a value of 1 for #size-cells (of the - * parent). - */ - struct isa_reg_property { - u32 space; - u32 address; - u32 size; - } isa_reg; - - rc = ofd_getprop(oft_p, c, "reg", &isa_reg, sizeof(isa_reg)); - - DBG("%s: reg property address=0x%08x size=0x%08x\n", __func__, - isa_reg.address, isa_reg.size); - return isa_reg.address; -} - -static unsigned long reg1(void *oft_p, ofdn_t c) -{ - int rc; - /* the struct reg_property32 is for a value of 1 for - * #address-cells and a value of 1 for #size-cells. - */ - struct reg_property32 { - u32 address; - u32 size; - } reg; - - rc = ofd_getprop(oft_p, c, "reg", ®, sizeof(reg)); - - DBG("%s: reg property address=0x%08x size=0x%08x\n", __func__, - reg.address, reg.size); - return reg.address; -} - -static unsigned long find_reg_addr_from_node(void *oft_p, ofdn_t c) -{ - int p_len; - unsigned long reg_addr = 0; - u32 size_c = 1; - u32 addr_c = 2; - ofdn_t parent; - - if (c == OFD_ROOT) { - parent = c; - } else { - parent = ofd_node_parent(oft_p, c); - } - - p_len = ofd_getprop(oft_p, parent, "#size-cells", &size_c, sizeof(size_c)); - DBG("%s size is %d\n", __func__, size_c); - - p_len = ofd_getprop(oft_p, parent, "#address-cells", &addr_c, - sizeof(addr_c)); - DBG("%s address is %d\n", __func__, addr_c); - - if ( 1 != size_c ) { - PANIC("Unsupported size for reg property\n"); - } - - if ( 1 == addr_c) { - reg_addr = reg1(oft_p, c); - } else if ( 2 == addr_c ) { - reg_addr = reg2(oft_p, c); - } else { - PANIC("Unsupported address size for reg property\n"); - } - DBG("%s: address 0x%lx\n", __func__, reg_addr); - return reg_addr; -} - -/* - * from OF_IEEE_1275 - * - * pg 175, property "ranges" - * - * The ranges property value is a sequence of child-phys parent-phys - * size specifications. Child-phys is an address, encoded as with - * encode-phys, in the child address space. Parent-phys is an address - * (likewise encoded as with encode-phys) in the parent address - * space. Size is a list of integers, each encoded as with encode-int, - * denoting the length of the child's address range. - */ -static unsigned long find_ranges_addr_from_node(void *oft_p, ofdn_t c) -{ - unsigned long ranges_addr = 0; - int ranges_i; - ofdn_t parent; - u32 addr_c = 2; - u32 ranges[64]; - int p_len; - int i; - - parent = ofd_node_parent(oft_p, c); - parent = ofd_node_parent(oft_p, parent); - - p_len = ofd_getprop(oft_p, parent, "ranges", &ranges, sizeof(ranges)); - DBG("%s: ranges\n", __func__); - for (i=0; i<p_len; i++) - DBG("%08x ", ranges[i]); - DBG("\n"); - - p_len = ofd_getprop(oft_p, parent, "#address-cells", - &addr_c, sizeof(addr_c)); - DBG("%s address is %d\n", __func__, addr_c); - ranges_i = addr_c; /* skip over the child address */ - - DBG("%s address is %d\n", __func__, addr_c); - switch (addr_c) { - case 1: - ranges_addr = ranges[ranges_i]; - break; - case 2: - ranges_addr = (((u64)ranges[ranges_i]) << 32) | - ranges[ranges_i + 1]; - break; - case 3: /* the G5 case, how to squeeze 96 bits into 64 */ - ranges_addr = (((u64)ranges[ranges_i+1]) << 32) | - ranges[ranges_i + 2]; - break; - case 4: - ranges_addr = (((u64)ranges[ranges_i+2]) << 32) | - ranges[ranges_i + 4]; - break; - default: - PANIC("#address-cells out of range\n"); - break; - } - - DBG("%s: address 0x%lx\n", __func__, ranges_addr); - return ranges_addr; -} - -static unsigned long find_pic_address_from_node(void *oft_p, ofdn_t c) -{ - unsigned long reg_addr, range_addr, addr; - - /* - * The address is the sum of the address in the reg property of this node - * and the ranges property of the granparent node. - */ - reg_addr = find_reg_addr_from_node(oft_p, c); - range_addr = find_ranges_addr_from_node(oft_p, c); - addr = reg_addr + range_addr; - DBG("%s: address 0x%lx\n", __func__, addr); - return addr; -} - -static unsigned int find_pic_flags_from_node(void *oft_p, ofdn_t c) -{ - int be_len; - unsigned int flags = 0; - - /* does it have the property big endian? */ - be_len = ofd_getprop(oft_p, c, "big_endian", NULL, 0); - if (be_len >= 0) { - DBG("%s: Big Endian found\n", __func__); - flags |= MPIC_BIG_ENDIAN; - } - DBG("%s: flags 0x%x\n", __func__, flags); - return flags; -} - -static int find_mpic_simple_probe(void *oft_p) -{ - u32 addr_cells; - int rc; - u32 addr[2]; - - rc = ofd_getprop(oft_p, OFD_ROOT, "#address-cells", - &addr_cells, sizeof(addr_cells)); - if ( rc < 0 ) { - /* if the property does not exist use its default value, 2 */ - addr_cells = 2; - } - - rc = ofd_getprop(oft_p, OFD_ROOT, "platform-open-pic", addr, sizeof(addr)); - if (rc < 0) { - return rc; - } - - opic_addr = addr[0]; - if (addr_cells == 2) { - opic_addr <<= 32; - opic_addr |= addr[1]; - } - DBG("%s: found OpenPIC at: 0x%lx\n", __func__, opic_addr); - /* we did not really find the pic device, only its address. - * We use big endian and broken u3 by default. - */ - opic_flags |= MPIC_BIG_ENDIAN | MPIC_BROKEN_U3; - return 0; -} - -static int find_mpic_canonical_probe(void *oft_p) -{ - ofdn_t c; - const char mpic_type[] = "open-pic"; - /* some paths are special and we cannot find the address - * by the usual method */ - const char *excluded_paths[] = { "/interrupt-controller" }; - - /* - * Search through the OFD tree for all devices of type 'open_pic'. - * We select the one without an 'interrupt' property. - */ - c = ofd_node_find_by_prop(oft_p, OFD_ROOT, "device_type", mpic_type, - sizeof(mpic_type)); - while (c > 0) { - int int_len; - int good_mpic; - const char * path = ofd_node_path(oft_p, c); - - good_mpic = 0; - int_len = ofd_getprop(oft_p, c, "interrupts", NULL, 0); - if (int_len < 0) { - int i; - - /* there is no property interrupt. This could be the pic */ - DBG("%s: potential OpenPIC in: %s\n", __func__, path); - good_mpic = 1; - - for (i = 0; i < ARRAY_SIZE(excluded_paths) && good_mpic; i++) { - const char *excluded_path = excluded_paths[i]; - if (!strncmp(path, excluded_path, strlen(excluded_path))) - good_mpic = 0; - } - } - - if (good_mpic) { - DBG("%s: found OpenPIC in: %s\n", __func__, path); - opic_addr = find_pic_address_from_node(oft_p, c); - opic_flags = find_pic_flags_from_node(oft_p, c); - return 0; - } - - c = ofd_node_find_next(oft_p, c); - } - - DBG("%s: Could not find a pic\n", __func__); - return -1; -} - -static int find_mpic(void) -{ - void *oft_p; - int rc; - - opic_addr = (unsigned long)-1; - opic_flags = 0; - - oft_p = (void *)oftree; - rc = find_mpic_simple_probe(oft_p); - - if (rc < 0) { - DBG("%s: Searching for pic ...\n", __func__); - rc = find_mpic_canonical_probe(oft_p); - } - - return rc; -} - -static unsigned int mpic_startup_ipi(unsigned int irq) -{ - mpic->hc_ipi.enable(irq); - return 0; -} - -int request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct cpu_user_regs *), - unsigned long irqflags, const char * devname, void *dev_id) -{ - int retval; - struct irqaction *action; - void (*func)(int, void *, struct cpu_user_regs *); - - action = xmalloc(struct irqaction); - if (!action) { - BUG(); - return -ENOMEM; - } - - /* Xen's handler prototype is slightly different than Linux's. */ - func = (void (*)(int, void *, struct cpu_user_regs *))handler; - - action->handler = func; - action->name = devname; - action->dev_id = dev_id; - - retval = setup_irq(irq, action); - if (retval) { - BUG(); - xfree(action); - } - - return retval; -} - -static void dummy_ack(unsigned int irq) -{ -} - -void xen_mpic_init(void) -{ - unsigned int isu_size; - unsigned int irq_offset; - unsigned int irq_count; - unsigned int ipi_offset; - unsigned char *senses; - unsigned int senses_count; - - printk("%s: start\n", __func__); - - io_apic_irqs = ~0; /* all IRQs go through IOAPIC */ - irq_vector[0] = FIRST_DEVICE_VECTOR; - vector_irq[FIRST_DEVICE_VECTOR] = 0; - - isu_size = 0; - irq_offset = 0; - irq_count = 128; - ipi_offset = 128; - senses = NULL; - senses_count = 0; - - if (find_mpic()) { - printk("%s: ERROR: Could not find open pic.\n", __func__); - return; - } - - mpic = mpic_alloc(opic_addr, - opic_flags | MPIC_PRIMARY | MPIC_WANTS_RESET, - isu_size, irq_offset, irq_count, - ipi_offset, senses, senses_count, "Xen-U3-MPIC"); - - BUG_ON(mpic == NULL); - mpic_init(mpic); - - printk("%s: success\n", __func__); - - mpic->hc_irq.ack = dummy_ack; - mpic->hc_ipi.ack = dummy_ack; - mpic->hc_ipi.startup = mpic_startup_ipi; - mpic_request_ipis(); -} - -/* Note: reading the vector implicitly ACKs it in hardware. */ -int xen_mpic_get_irq(struct cpu_user_regs *regs) -{ - BUG_ON(mpic == NULL); - - return mpic_get_one_irq(mpic, regs); -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/mpic_init.h --- a/xen/arch/powerpc/mpic_init.h Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,27 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -#ifndef _MPIC_INIT_H -#define _MPIC_INIT_H - -extern void xen_mpic_init(void); -extern int xen_mpic_get_irq(struct cpu_user_regs *regs); - -#endif /* #ifndef _MPIC_INIT_H */ diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/multiboot2.c --- a/xen/arch/powerpc/multiboot2.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,67 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2006, 2007 - * - * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx> - */ - -#include <xen/config.h> -#include <xen/lib.h> -#include <xen/multiboot2.h> -#include <asm/boot.h> -#include <asm/init.h> - -static struct mb2_tag_module *mb2_tag_mod_find(struct mb2_tag_header *tags, - const char *type) -{ - struct mb2_tag_header *tag; - - for_each_tag(tag, tags) { - if (tag->key == MB2_TAG_MODULE) { - struct mb2_tag_module *mod = (struct mb2_tag_module *)tag; - if (!strcmp((char *)mod->type, type)) - return mod; - } - } - return NULL; -} - -void parse_multiboot(ulong tags_addr) -{ - struct mb2_tag_header *tags = (struct mb2_tag_header *)tags_addr; - struct mb2_tag_module *mod; - - if (tags->key != MB2_TAG_START) - return; - - mod = mb2_tag_mod_find(tags, "kernel"); - if (mod) { - xen_cmdline = (char *)mod->cmdline; - } - - mod = mb2_tag_mod_find(tags, "dom0"); - if (mod) { - dom0_addr = mod->addr; - dom0_len = mod->size; - dom0_cmdline = (char *)mod->cmdline; - } - - mod = mb2_tag_mod_find(tags, "initrd"); - if (mod) { - initrd_start = mod->addr; - initrd_len = mod->size; - } -} diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/numa.c --- a/xen/arch/powerpc/numa.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -#include "../x86/numa.c" diff -r 0ac957f9d42e -r b0d7780794eb xen/arch/powerpc/of-devtree.c --- a/xen/arch/powerpc/of-devtree.c Thu May 08 13:15:45 2008 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1087 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright (C) IBM Corp. 2005 - * - * Authors: Jimi Xenidis <jimix@xxxxxxxxxxxxxx> - */ - -/* WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING - * This code is intended to be used but relocatable routines So PLEASE - * do not place any global data here including const integrals or - * literals. - * The local assert() is ok for string literal usage.. but thats it. - */ - - -#include <xen/config.h> -#include <xen/init.h> -#include <xen/lib.h> -#include "of-devtree.h" - -static int (*ofd_write)(const char *, size_t len) = NULL; - -void ofd_init(int (*write)(const char *, size_t len)) -{ - ofd_write = write; -} - - -static void ofd_stop(void) -{ - for ( ; ; ) ; -} _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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