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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [IA64][MINIOS] Fixed some big-endian bugs and add HYPERVISOR_suspend
# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1174405905 21600
# Node ID 0fadd0476e036e4439b08f2df740bcc1ca6bdb9d
# Parent c07b1dc6dc6d3b8ee2836090510dcbdf3be4ad74
[IA64][MINIOS] Fixed some big-endian bugs and add HYPERVISOR_suspend
Signed-off-by: Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>
---
extras/mini-os/arch/ia64/arch.mk | 13 +++++++++++++
extras/mini-os/arch/ia64/common.c | 8 ++++++--
extras/mini-os/arch/ia64/fw.S | 21 +++++++++++++++++++++
extras/mini-os/arch/ia64/mm.c | 2 +-
extras/mini-os/arch/ia64/xencomm.c | 20 +++++++++++++++++---
extras/mini-os/include/ia64/hypercall-ia64.h | 2 +-
6 files changed, 59 insertions(+), 7 deletions(-)
diff -r c07b1dc6dc6d -r 0fadd0476e03 extras/mini-os/arch/ia64/arch.mk
--- a/extras/mini-os/arch/ia64/arch.mk Tue Mar 20 09:32:24 2007 -0600
+++ b/extras/mini-os/arch/ia64/arch.mk Tue Mar 20 09:51:45 2007 -0600
@@ -1,3 +1,6 @@ ARCH_CFLAGS := -mfixed-range=f2-f5,f12-f
+# Build for Big Endian?
+BIGENDIAN := n
+
ARCH_CFLAGS := -mfixed-range=f2-f5,f12-f15,f32-f127 -mconstant-gp
ARCH_CFLAGS += -O2
ARCH_ASFLAGS := -x assembler-with-cpp
@@ -5,3 +8,13 @@ ARCH_ASFLAGS += -fno-builtin -fno-common
ARCH_ASFLAGS += -fno-builtin -fno-common -fno-strict-aliasing -mconstant-gp
ARCH_LDFLAGS = -warn-common
+
+# Next lines are for big endian code !
+ifeq ($(BIGENDIAN),y)
+ARCH_CFLAGS += -mbig-endian -Wa,-mbe -Wa,-mlp64
+ARCH_CFLAGS += -DBIG_ENDIAN
+ARCH_ASFLAGS += -Wa,-mbe
+ARCH_ASFLAGS += -DBIG_ENDIAN
+ARCH_LDFLAGS = -EB -d
+endif
+
diff -r c07b1dc6dc6d -r 0fadd0476e03 extras/mini-os/arch/ia64/common.c
--- a/extras/mini-os/arch/ia64/common.c Tue Mar 20 09:32:24 2007 -0600
+++ b/extras/mini-os/arch/ia64/common.c Tue Mar 20 09:51:45 2007 -0600
@@ -225,6 +225,7 @@ arch_print_info(void)
major = minor >> 16;
minor &= ~0xffffffff;
printk("Running on Xen version: %d.%d\n", major, minor);
+#if 0
printk("machine addr of shared_info_t : 0x%lx\n",
start_info.shared_info);
printk("machine page number of shared page: 0x%lx\n",
@@ -235,5 +236,8 @@ arch_print_info(void)
start_info.console.domU.mfn);
printk("evtchn for console messages : %d\n",
start_info.console.domU.evtchn);
- printk("xen_guest_cmdline : %s\n", boot_cmd_line);
-}
+#endif
+ if(strlen(boot_cmd_line) > 0)
+ printk("xen_guest_cmdline : %s\n", boot_cmd_line);
+}
+
diff -r c07b1dc6dc6d -r 0fadd0476e03 extras/mini-os/arch/ia64/fw.S
--- a/extras/mini-os/arch/ia64/fw.S Tue Mar 20 09:32:24 2007 -0600
+++ b/extras/mini-os/arch/ia64/fw.S Tue Mar 20 09:51:45 2007 -0600
@@ -33,6 +33,7 @@
#include "ia64_cpu.h"
#include "ia64_fpu.h"
#include "offsets.h"
+#include "xen/xen.h"
/*
@@ -517,3 +518,23 @@ ENTRY(__hypercall)
br.ret.sptk.many b0
;;
END(__hypercall)
+
+/*
+ * Stub for suspend.
+ * Just force the stacked registers to be written in memory.
+ */
+ENTRY(xencomm_arch_hypercall_suspend)
+ ;;
+ alloc r20=ar.pfs,0,0,6,0
+ mov r2=__HYPERVISOR_sched_op
+ ;;
+ /* We don't want to deal with RSE. */
+ flushrs
+ mov r33=r32
+ mov r32=2 // SCHEDOP_shutdown
+ ;;
+ break 0x1000
+ ;;
+ br.ret.sptk.many b0
+END(xencomm_arch_hypercall_suspend)
+
diff -r c07b1dc6dc6d -r 0fadd0476e03 extras/mini-os/arch/ia64/mm.c
--- a/extras/mini-os/arch/ia64/mm.c Tue Mar 20 09:32:24 2007 -0600
+++ b/extras/mini-os/arch/ia64/mm.c Tue Mar 20 09:51:45 2007 -0600
@@ -127,7 +127,7 @@ map_frames(unsigned long* frames, unsign
map_frames(unsigned long* frames, unsigned long n)
{
n = n;
- return (void*) __va(frames[0] << PAGE_SHIFT);
+ return (void*) __va(SWAP(frames[0]) << PAGE_SHIFT);
}
void arch_init_p2m(unsigned long max_pfn)
diff -r c07b1dc6dc6d -r 0fadd0476e03 extras/mini-os/arch/ia64/xencomm.c
--- a/extras/mini-os/arch/ia64/xencomm.c Tue Mar 20 09:32:24 2007 -0600
+++ b/extras/mini-os/arch/ia64/xencomm.c Tue Mar 20 09:51:45 2007 -0600
@@ -171,13 +171,15 @@ xencommize_mini_grant_table_op(struct xe
return -EINVAL;
rc = xencomm_create_mini
(xc_area, nbr_area,
- xen_guest_handle(setup->frame_list),
- setup->nr_frames
+ (void*)SWAP((uint64_t)
+ xen_guest_handle(setup->frame_list)),
+ SWAP(setup->nr_frames)
* sizeof(*xen_guest_handle(setup->frame_list)),
&desc1);
if (rc)
return rc;
- set_xen_guest_handle(setup->frame_list, (void *)desc1);
+ set_xen_guest_handle(setup->frame_list,
+ (void *)SWAP((uint64_t)desc1));
break;
}
case GNTTABOP_dump_table:
@@ -254,3 +256,15 @@ HYPERVISOR_grant_table_op(unsigned int c
return xencomm_mini_hypercall_grant_table_op(cmd, uop, count);
}
+ /* In fw.S */
+extern int xencomm_arch_hypercall_suspend(struct xencomm_handle *arg);
+int
+HYPERVISOR_suspend(unsigned long srec)
+{
+ struct sched_shutdown arg;
+
+ arg.reason = (uint32_t)SWAP((uint32_t)SHUTDOWN_suspend);
+
+ return xencomm_arch_hypercall_suspend(xencomm_create_inline(&arg));
+}
+
diff -r c07b1dc6dc6d -r 0fadd0476e03
extras/mini-os/include/ia64/hypercall-ia64.h
--- a/extras/mini-os/include/ia64/hypercall-ia64.h Tue Mar 20 09:32:24
2007 -0600
+++ b/extras/mini-os/include/ia64/hypercall-ia64.h Tue Mar 20 09:51:45
2007 -0600
@@ -138,7 +138,7 @@ xencomm_arch_event_channel_op(int cmd, v
if (unlikely(rc == -ENOSYS)) {
struct evtchn_op op;
- op.cmd = cmd;
+ op.cmd = SWAP(cmd);
memcpy(&op.u, arg, sizeof(op.u));
rc = _hypercall1(int, event_channel_op_compat, &op);
}
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