|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [IA64] memmap: remove the unused file, xen/arch/ia64/xen/dom_fw.c.
# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1179777654 21600
# Node ID 9d5dc8f3b2d4b20e86c8df35b6dc9ea9d9707d63
# Parent 0dc47397aad88243df07ca13f7d382a322e91f67
[IA64] memmap: remove the unused file, xen/arch/ia64/xen/dom_fw.c.
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
xen/arch/ia64/xen/dom_fw.c | 1233 ---------------------------------------------
1 files changed, 1233 deletions(-)
diff -r 0dc47397aad8 -r 9d5dc8f3b2d4 xen/arch/ia64/xen/dom_fw.c
--- a/xen/arch/ia64/xen/dom_fw.c Mon May 21 13:59:38 2007 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1233 +0,0 @@
-/*
- * Xen domain firmware emulation support
- * Copyright (C) 2004 Hewlett-Packard Co.
- * Dan Magenheimer (dan.magenheimer@xxxxxx)
- *
- * Copyright (c) 2006, 2007
- * Isaku Yamahata <yamahata at valinux co jp>
- * VA Linux Systems Japan K.K.
- * dom0 vp model support
- */
-
-#include <xen/config.h>
-#include <asm/system.h>
-#include <asm/pgalloc.h>
-
-#include <linux/efi.h>
-#include <linux/sort.h>
-#include <asm/io.h>
-#include <asm/pal.h>
-#include <asm/sal.h>
-#include <asm/meminit.h>
-#include <asm/fpswa.h>
-#include <xen/version.h>
-#include <xen/acpi.h>
-#include <xen/errno.h>
-
-#include <asm/dom_fw.h>
-#include <asm/bundle.h>
-
-#define ONE_MB (1UL << 20)
-
-extern unsigned long running_on_sim;
-
-#define FW_VENDOR
"X\0e\0n\0/\0i\0a\0\066\0\064\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
-
-#define MAKE_MD(typ, attr, start, end)
\
- do { \
- md = tables->efi_memmap + i++; \
- md->type = typ; \
- md->pad = 0; \
- md->phys_addr = start; \
- md->virt_addr = 0; \
- md->num_pages = (end - start) >> EFI_PAGE_SHIFT; \
- md->attribute = attr; \
- } while (0)
-
-#define EFI_HYPERCALL_PATCH(tgt, call) \
- do { \
- dom_efi_hypercall_patch(brkimm, \
- FW_HYPERCALL_##call##_PADDR, \
- FW_HYPERCALL_##call, hypercalls_imva); \
- /* Descriptor address. */ \
- tables->efi_runtime.tgt = \
- FW_FIELD_MPA(func_ptrs) + 8 * pfn; \
- /* Descriptor. */ \
- tables->func_ptrs[pfn++] = FW_HYPERCALL_##call##_PADDR; \
- tables->func_ptrs[pfn++] = 0; \
- } while (0)
-
-/* allocate a page for fw
- * guest_setup() @ libxc/xc_linux_build.c does for domU
- */
-static inline void
-assign_new_domain_page_if_dom0(struct domain *d, unsigned long mpaddr)
-{
- if (d == dom0)
- assign_new_domain0_page(d, mpaddr);
-}
-
-/**************************************************************************
-Hypercall bundle creation
-**************************************************************************/
-
-static void
-build_hypercall_bundle(u64 *imva, u64 brkimm, u64 hypnum, u64 ret)
-{
- INST64_A5 slot0;
- INST64_I19 slot1;
- INST64_B4 slot2;
- IA64_BUNDLE bundle;
-
- // slot1: mov r2 = hypnum (low 20 bits)
- slot0.inst = 0;
- slot0.qp = 0; slot0.r1 = 2; slot0.r3 = 0; slot0.major = 0x9;
- slot0.imm7b = hypnum; slot0.imm9d = hypnum >> 7;
- slot0.imm5c = hypnum >> 16; slot0.s = 0;
- // slot1: break brkimm
- slot1.inst = 0;
- slot1.qp = 0; slot1.x6 = 0; slot1.x3 = 0; slot1.major = 0x0;
- slot1.imm20 = brkimm; slot1.i = brkimm >> 20;
- // if ret slot2: br.ret.sptk.many rp
- // else slot2: br.cond.sptk.many rp
- slot2.inst = 0; slot2.qp = 0; slot2.p = 1; slot2.b2 = 0;
- slot2.wh = 0; slot2.d = 0; slot2.major = 0x0;
- if (ret) {
- slot2.btype = 4; slot2.x6 = 0x21;
- }
- else {
- slot2.btype = 0; slot2.x6 = 0x20;
- }
-
- bundle.i64[0] = 0; bundle.i64[1] = 0;
- bundle.template = 0x11;
- bundle.slot0 = slot0.inst; bundle.slot2 = slot2.inst;
- bundle.slot1a = slot1.inst; bundle.slot1b = slot1.inst >> 18;
-
- imva[0] = bundle.i64[0]; imva[1] = bundle.i64[1];
- ia64_fc(imva);
- ia64_fc(imva + 1);
-}
-
-static void
-build_pal_hypercall_bundles(u64 *imva, u64 brkimm, u64 hypnum)
-{
- extern unsigned long pal_call_stub[];
- IA64_BUNDLE bundle;
- INST64_A5 slot_a5;
- INST64_M37 slot_m37;
-
- /* The source of the hypercall stub is the pal_call_stub function
- defined in xenasm.S. */
-
- /* Copy the first bundle and patch the hypercall number. */
- bundle.i64[0] = pal_call_stub[0];
- bundle.i64[1] = pal_call_stub[1];
- slot_a5.inst = bundle.slot0;
- slot_a5.imm7b = hypnum;
- slot_a5.imm9d = hypnum >> 7;
- slot_a5.imm5c = hypnum >> 16;
- bundle.slot0 = slot_a5.inst;
- imva[0] = bundle.i64[0];
- imva[1] = bundle.i64[1];
- ia64_fc(imva);
- ia64_fc(imva + 1);
-
- /* Copy the second bundle and patch the hypercall vector. */
- bundle.i64[0] = pal_call_stub[2];
- bundle.i64[1] = pal_call_stub[3];
- slot_m37.inst = bundle.slot0;
- slot_m37.imm20a = brkimm;
- slot_m37.i = brkimm >> 20;
- bundle.slot0 = slot_m37.inst;
- imva[2] = bundle.i64[0];
- imva[3] = bundle.i64[1];
- ia64_fc(imva + 2);
- ia64_fc(imva + 3);
-}
-
-// builds a hypercall bundle at domain physical address
-static void
-dom_fpswa_hypercall_patch(u64 brkimm, unsigned long imva)
-{
- unsigned long *entry_imva, *patch_imva;
- const unsigned long entry_paddr = FW_HYPERCALL_FPSWA_ENTRY_PADDR;
- const unsigned long patch_paddr = FW_HYPERCALL_FPSWA_PATCH_PADDR;
-
- entry_imva = (unsigned long *)(imva + entry_paddr -
- FW_HYPERCALL_BASE_PADDR);
- patch_imva = (unsigned long *)(imva + patch_paddr -
- FW_HYPERCALL_BASE_PADDR);
-
- /* Descriptor. */
- *entry_imva++ = patch_paddr;
- *entry_imva = 0;
-
- build_hypercall_bundle(patch_imva, brkimm, FW_HYPERCALL_FPSWA, 1);
-}
-
-// builds a hypercall bundle at domain physical address
-static void
-dom_efi_hypercall_patch(u64 brkimm, unsigned long paddr,
- unsigned long hypercall, unsigned long imva)
-{
- build_hypercall_bundle((u64 *)(imva + paddr - FW_HYPERCALL_BASE_PADDR),
- brkimm, hypercall, 1);
-}
-
-// builds a hypercall bundle at domain physical address
-static void
-dom_fw_hypercall_patch(u64 brkimm, unsigned long paddr,
- unsigned long hypercall,unsigned long ret,
- unsigned long imva)
-{
- build_hypercall_bundle((u64 *)(imva + paddr - FW_HYPERCALL_BASE_PADDR),
- brkimm, hypercall, ret);
-}
-
-static void
-dom_fw_pal_hypercall_patch(u64 brkimm, unsigned long paddr, unsigned long imva)
-{
- build_pal_hypercall_bundles((u64*)(imva + paddr -
- FW_HYPERCALL_BASE_PADDR),
- brkimm, FW_HYPERCALL_PAL_CALL);
-}
-
-static inline void
-print_md(efi_memory_desc_t *md)
-{
- u64 size;
-
- printk(XENLOG_INFO "dom mem: type=%2u, attr=0x%016lx, "
- "range=[0x%016lx-0x%016lx) ",
- md->type, md->attribute, md->phys_addr,
- md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT));
-
- size = md->num_pages << EFI_PAGE_SHIFT;
- if (size > ONE_MB)
- printk("(%luMB)\n", size >> 20);
- else
- printk("(%luKB)\n", size >> 10);
-}
-
-static u32 lsapic_nbr;
-
-/* Modify lsapic table. Provides LPs. */
-static int
-acpi_update_lsapic (acpi_table_entry_header *header, const unsigned long end)
-{
- struct acpi_table_lsapic *lsapic;
- int enable;
-
- lsapic = (struct acpi_table_lsapic *) header;
- if (!lsapic)
- return -EINVAL;
-
- if (lsapic_nbr < MAX_VIRT_CPUS && dom0->vcpu[lsapic_nbr] != NULL)
- enable = 1;
- else
- enable = 0;
- if (lsapic->flags.enabled && enable) {
- printk("enable lsapic entry: 0x%lx\n", (u64)lsapic);
- lsapic->id = lsapic_nbr;
- lsapic->eid = 0;
- lsapic_nbr++;
- } else if (lsapic->flags.enabled) {
- printk("DISABLE lsapic entry: 0x%lx\n", (u64)lsapic);
- lsapic->flags.enabled = 0;
- lsapic->id = 0;
- lsapic->eid = 0;
- }
- return 0;
-}
-
-static u8
-generate_acpi_checksum(void *tbl, unsigned long len)
-{
- u8 *ptr, sum = 0;
-
- for (ptr = tbl; len > 0 ; len--, ptr++)
- sum += *ptr;
-
- return 0 - sum;
-}
-
-static int __init
-acpi_patch_plat_int_src (
- acpi_table_entry_header *header, const unsigned long end)
-{
- struct acpi_table_plat_int_src *plintsrc;
-
- plintsrc = (struct acpi_table_plat_int_src *)header;
- if (!plintsrc)
- return -EINVAL;
-
- if (plintsrc->type == ACPI_INTERRUPT_CPEI) {
- printk("ACPI_INTERRUPT_CPEI disabled for Domain0\n");
- plintsrc->type = -1;
- }
- return 0;
-}
-
-static int
-acpi_update_madt_checksum (unsigned long phys_addr, unsigned long size)
-{
- struct acpi_table_madt* acpi_madt;
-
- if (!phys_addr || !size)
- return -EINVAL;
-
- acpi_madt = (struct acpi_table_madt *) __va(phys_addr);
- acpi_madt->header.checksum = 0;
- acpi_madt->header.checksum = generate_acpi_checksum(acpi_madt, size);
-
- return 0;
-}
-
-/* base is physical address of acpi table */
-static void touch_acpi_table(void)
-{
- lsapic_nbr = 0;
- if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_update_lsapic, 0) < 0)
- printk("Error parsing MADT - no LAPIC entries\n");
- if (acpi_table_parse_madt(ACPI_MADT_PLAT_INT_SRC,
- acpi_patch_plat_int_src, 0) < 0)
- printk("Error parsing MADT - no PLAT_INT_SRC entries\n");
-
- acpi_table_parse(ACPI_APIC, acpi_update_madt_checksum);
-
- return;
-}
-
-struct fake_acpi_tables {
- struct acpi20_table_rsdp rsdp;
- struct xsdt_descriptor_rev2 xsdt;
- u64 madt_ptr;
- struct fadt_descriptor_rev2 fadt;
- struct facs_descriptor_rev2 facs;
- struct acpi_table_header dsdt;
- u8 aml[8 + 11 * MAX_VIRT_CPUS];
- struct acpi_table_madt madt;
- struct acpi_table_lsapic lsapic[MAX_VIRT_CPUS];
- u8 pm1a_evt_blk[4];
- u8 pm1a_cnt_blk[1];
- u8 pm_tmr_blk[4];
-};
-#define ACPI_TABLE_MPA(field) \
- FW_ACPI_BASE_PADDR + offsetof(struct fake_acpi_tables, field);
-
-/* Create enough of an ACPI structure to make the guest OS ACPI happy. */
-static void
-dom_fw_fake_acpi(struct domain *d, struct fake_acpi_tables *tables)
-{
- struct acpi20_table_rsdp *rsdp = &tables->rsdp;
- struct xsdt_descriptor_rev2 *xsdt = &tables->xsdt;
- struct fadt_descriptor_rev2 *fadt = &tables->fadt;
- struct facs_descriptor_rev2 *facs = &tables->facs;
- struct acpi_table_header *dsdt = &tables->dsdt;
- struct acpi_table_madt *madt = &tables->madt;
- struct acpi_table_lsapic *lsapic = tables->lsapic;
- int i;
- int aml_len;
- int nbr_cpus;
-
- memset(tables, 0, sizeof(struct fake_acpi_tables));
-
- /* setup XSDT (64bit version of RSDT) */
- memcpy(xsdt->signature, XSDT_SIG, sizeof(xsdt->signature));
- /* XSDT points to both the FADT and the MADT, so add one entry */
- xsdt->length = sizeof(struct xsdt_descriptor_rev2) + sizeof(u64);
- xsdt->revision = 1;
- memcpy(xsdt->oem_id, "XEN", 3);
- memcpy(xsdt->oem_table_id, "Xen/ia64", 8);
- memcpy(xsdt->asl_compiler_id, "XEN", 3);
- xsdt->asl_compiler_revision = (xen_major_version() << 16) |
- xen_minor_version();
-
- xsdt->table_offset_entry[0] = ACPI_TABLE_MPA(fadt);
- tables->madt_ptr = ACPI_TABLE_MPA(madt);
-
- xsdt->checksum = generate_acpi_checksum(xsdt, xsdt->length);
-
- /* setup FADT */
- memcpy(fadt->signature, FADT_SIG, sizeof(fadt->signature));
- fadt->length = sizeof(struct fadt_descriptor_rev2);
- fadt->revision = FADT2_REVISION_ID;
- memcpy(fadt->oem_id, "XEN", 3);
- memcpy(fadt->oem_table_id, "Xen/ia64", 8);
- memcpy(fadt->asl_compiler_id, "XEN", 3);
- fadt->asl_compiler_revision = (xen_major_version() << 16) |
- xen_minor_version();
-
- memcpy(facs->signature, FACS_SIG, sizeof(facs->signature));
- facs->version = 1;
- facs->length = sizeof(struct facs_descriptor_rev2);
-
- fadt->xfirmware_ctrl = ACPI_TABLE_MPA(facs);
- fadt->Xdsdt = ACPI_TABLE_MPA(dsdt);
-
- /*
- * All of the below FADT entries are filled it to prevent warnings
- * from sanity checks in the ACPI CA. Emulate required ACPI hardware
- * registers in system memory.
- */
- fadt->pm1_evt_len = 4;
- fadt->xpm1a_evt_blk.address_space_id = ACPI_ADR_SPACE_SYSTEM_MEMORY;
- fadt->xpm1a_evt_blk.register_bit_width = 8;
- fadt->xpm1a_evt_blk.address = ACPI_TABLE_MPA(pm1a_evt_blk);
- fadt->pm1_cnt_len = 1;
- fadt->xpm1a_cnt_blk.address_space_id = ACPI_ADR_SPACE_SYSTEM_MEMORY;
- fadt->xpm1a_cnt_blk.register_bit_width = 8;
- fadt->xpm1a_cnt_blk.address = ACPI_TABLE_MPA(pm1a_cnt_blk);
- fadt->pm_tm_len = 4;
- fadt->xpm_tmr_blk.address_space_id = ACPI_ADR_SPACE_SYSTEM_MEMORY;
- fadt->xpm_tmr_blk.register_bit_width = 8;
- fadt->xpm_tmr_blk.address = ACPI_TABLE_MPA(pm_tmr_blk);
-
- fadt->checksum = generate_acpi_checksum(fadt, fadt->length);
-
- /* setup RSDP */
- memcpy(rsdp->signature, RSDP_SIG, strlen(RSDP_SIG));
- memcpy(rsdp->oem_id, "XEN", 3);
- rsdp->revision = 2; /* ACPI 2.0 includes XSDT */
- rsdp->length = sizeof(struct acpi20_table_rsdp);
- rsdp->xsdt_address = ACPI_TABLE_MPA(xsdt);
-
- rsdp->checksum = generate_acpi_checksum(rsdp,
- ACPI_RSDP_CHECKSUM_LENGTH);
- rsdp->ext_checksum = generate_acpi_checksum(rsdp, rsdp->length);
-
- /* setup DSDT with trivial namespace. */
- memcpy(dsdt->signature, DSDT_SIG, strlen(DSDT_SIG));
- dsdt->revision = 1;
- memcpy(dsdt->oem_id, "XEN", 3);
- memcpy(dsdt->oem_table_id, "Xen/ia64", 8);
- memcpy(dsdt->asl_compiler_id, "XEN", 3);
- dsdt->asl_compiler_revision = (xen_major_version() << 16) |
- xen_minor_version();
-
- /* Trivial namespace, avoids ACPI CA complaints */
- tables->aml[0] = 0x10; /* Scope */
- tables->aml[1] = 0x40; /* length/offset to next object (patched) */
- tables->aml[2] = 0x00;
- memcpy(&tables->aml[3], "_SB_", 4);
-
- /* The processor object isn't absolutely necessary, revist for SMP */
- aml_len = 7;
- for (i = 0; i < 3; i++) {
- unsigned char *p = tables->aml + aml_len;
- p[0] = 0x5b; /* processor object */
- p[1] = 0x83;
- p[2] = 0x0b; /* next */
- p[3] = 'C';
- p[4] = 'P';
- snprintf ((char *)p + 5, 3, "%02x", i);
- if (i < 16)
- p[5] = 'U';
- p[7] = i; /* acpi_id */
- p[8] = 0; /* pblk_addr */
- p[9] = 0;
- p[10] = 0;
- p[11] = 0;
- p[12] = 0; /* pblk_len */
- aml_len += 13;
- }
- tables->aml[1] = 0x40 + ((aml_len - 1) & 0x0f);
- tables->aml[2] = (aml_len - 1) >> 4;
- dsdt->length = sizeof(struct acpi_table_header) + aml_len;
- dsdt->checksum = generate_acpi_checksum(dsdt, dsdt->length);
-
- /* setup MADT */
- memcpy(madt->header.signature, APIC_SIG,
sizeof(madt->header.signature));
- madt->header.revision = 2;
- memcpy(madt->header.oem_id, "XEN", 3);
- memcpy(madt->header.oem_table_id, "Xen/ia64", 8);
- memcpy(madt->header.asl_compiler_id, "XEN", 3);
- madt->header.asl_compiler_revision = (xen_major_version() << 16) |
- xen_minor_version();
-
- /* An LSAPIC entry describes a CPU. */
- nbr_cpus = 0;
- for (i = 0; i < MAX_VIRT_CPUS; i++) {
- lsapic[i].header.type = ACPI_MADT_LSAPIC;
- lsapic[i].header.length = sizeof(struct acpi_table_lsapic);
- lsapic[i].acpi_id = i;
- lsapic[i].id = i;
- lsapic[i].eid = 0;
- //XXX replace d->vcpu[i] != NULL with XEN_DOMCTL_getvcpuinfo
- if (d->vcpu[i] != NULL) {
- lsapic[i].flags.enabled = 1;
- nbr_cpus++;
- }
- }
- madt->header.length = sizeof(struct acpi_table_madt) +
- nbr_cpus * sizeof(struct acpi_table_lsapic);
- madt->header.checksum = generate_acpi_checksum(madt,
- madt->header.length);
- return;
-}
-
-static int
-efi_mdt_cmp(const void *a, const void *b)
-{
- const efi_memory_desc_t *x = a, *y = b;
-
- if (x->phys_addr > y->phys_addr)
- return 1;
- if (x->phys_addr < y->phys_addr)
- return -1;
-
- // num_pages == 0 is allowed.
- if (x->num_pages > y->num_pages)
- return 1;
- if (x->num_pages < y->num_pages)
- return -1;
-
- return 0;
-}
-
-#define NFUNCPTRS 16
-#define NUM_EFI_SYS_TABLES 6
-#define NUM_MEM_DESCS 64 //large enough
-
-struct fw_tables {
- efi_system_table_t efi_systab;
- efi_runtime_services_t efi_runtime;
- efi_config_table_t efi_tables[NUM_EFI_SYS_TABLES];
-
- struct ia64_sal_systab sal_systab;
- struct ia64_sal_desc_entry_point sal_ed;
- struct ia64_sal_desc_ap_wakeup sal_wakeup;
- /* End of SAL descriptors. Do not forget to update checkum bound. */
-
- fpswa_interface_t fpswa_inf;
- efi_memory_desc_t efi_memmap[NUM_MEM_DESCS];
- unsigned long func_ptrs[2*NFUNCPTRS];
- struct xen_sal_data sal_data;
- unsigned char fw_vendor[sizeof(FW_VENDOR)];
-};
-#define FW_FIELD_MPA(field) \
- FW_TABLES_BASE_PADDR + offsetof(struct fw_tables, field)
-
-static void
-efi_systable_init_dom0(struct fw_tables *tables)
-{
- int i = 1;
- /* Write messages to the console. */
- touch_acpi_table();
-
- printk("Domain0 EFI passthrough:");
- if (efi.mps) {
- tables->efi_tables[i].guid = MPS_TABLE_GUID;
- tables->efi_tables[i].table = __pa(efi.mps);
- printk(" MPS=0x%lx",tables->efi_tables[i].table);
- i++;
- }
-
- if (efi.acpi20) {
- tables->efi_tables[i].guid = ACPI_20_TABLE_GUID;
- tables->efi_tables[i].table = __pa(efi.acpi20);
- printk(" ACPI 2.0=0x%lx",tables->efi_tables[i].table);
- i++;
- }
- if (efi.acpi) {
- tables->efi_tables[i].guid = ACPI_TABLE_GUID;
- tables->efi_tables[i].table = __pa(efi.acpi);
- printk(" ACPI=0x%lx",tables->efi_tables[i].table);
- i++;
- }
- if (efi.smbios) {
- tables->efi_tables[i].guid = SMBIOS_TABLE_GUID;
- tables->efi_tables[i].table = __pa(efi.smbios);
- printk(" SMBIOS=0x%lx",tables->efi_tables[i].table);
- i++;
- }
- if (efi.hcdp) {
- tables->efi_tables[i].guid = HCDP_TABLE_GUID;
- tables->efi_tables[i].table = __pa(efi.hcdp);
- printk(" HCDP=0x%lx",tables->efi_tables[i].table);
- i++;
- }
- printk("\n");
- BUG_ON(i > NUM_EFI_SYS_TABLES);
-}
-
-static void
-setup_dom0_memmap_info(struct domain *d, struct fw_tables *tables,
- int *num_mds)
-{
- int i;
- efi_memory_desc_t *md;
- efi_memory_desc_t *last_mem_md = NULL;
- xen_ia64_memmap_info_t* memmap_info;
- unsigned long paddr_start;
- unsigned long paddr_end;
-
- for (i = *num_mds - 1; i >= 0; i--) {
- md = &tables->efi_memmap[i];
- if (md->attribute == EFI_MEMORY_WB &&
- md->type == EFI_CONVENTIONAL_MEMORY &&
- md->num_pages >
- 2 * (1UL << (PAGE_SHIFT - EFI_PAGE_SHIFT))) {
- last_mem_md = md;
- break;
- }
- }
-
- if (last_mem_md == NULL) {
- printk("%s: warning: "
- "no dom0 contiguous memory to hold memory map\n",
- __func__);
- return;
- }
- paddr_end = last_mem_md->phys_addr +
- (last_mem_md->num_pages << EFI_PAGE_SHIFT);
- paddr_start = (paddr_end - PAGE_SIZE) & PAGE_MASK;
- last_mem_md->num_pages -=
- (paddr_end - paddr_start) / (1UL << EFI_PAGE_SHIFT);
-
- md = &tables->efi_memmap[*num_mds];
- (*num_mds)++;
- md->type = EFI_RUNTIME_SERVICES_DATA;
- md->phys_addr = paddr_start;
- md->virt_addr = 0;
- md->num_pages = 1UL << (PAGE_SHIFT - EFI_PAGE_SHIFT);
- md->attribute = EFI_MEMORY_WB;
-
- memmap_info = domain_mpa_to_imva(d, md->phys_addr);
- BUG_ON(*num_mds > NUM_MEM_DESCS);
-
- memmap_info->efi_memdesc_size = sizeof(md[0]);
- memmap_info->efi_memdesc_version = EFI_MEMORY_DESCRIPTOR_VERSION;
- memmap_info->efi_memmap_size = *num_mds * sizeof(md[0]);
- memcpy(&memmap_info->memdesc, &tables->efi_memmap[0],
- memmap_info->efi_memmap_size);
- d->shared_info->arch.memmap_info_num_pages = 1;
- d->shared_info->arch.memmap_info_pfn = md->phys_addr >> PAGE_SHIFT;
-
- sort(tables->efi_memmap, *num_mds, sizeof(efi_memory_desc_t),
- efi_mdt_cmp, NULL);
-}
-
-/* Complete the dom0 memmap. */
-static int
-complete_dom0_memmap(struct domain *d,
- struct fw_tables *tables,
- unsigned long maxmem,
- int num_mds)
-{
- efi_memory_desc_t *md;
- u64 addr;
- void *efi_map_start, *efi_map_end, *p;
- u64 efi_desc_size;
- int i;
- unsigned long dom_mem = maxmem - (d->tot_pages << PAGE_SHIFT);
-
- /* Walk through all MDT entries.
- Copy all interesting entries. */
- efi_map_start = __va(ia64_boot_param->efi_memmap);
- efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size;
- efi_desc_size = ia64_boot_param->efi_memdesc_size;
-
- for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
- const efi_memory_desc_t *md = p;
- efi_memory_desc_t *dom_md = &tables->efi_memmap[num_mds];
- u64 start = md->phys_addr;
- u64 size = md->num_pages << EFI_PAGE_SHIFT;
- u64 end = start + size;
- u64 mpaddr;
- unsigned long flags;
-
- switch (md->type) {
- case EFI_RUNTIME_SERVICES_CODE:
- case EFI_RUNTIME_SERVICES_DATA:
- case EFI_ACPI_RECLAIM_MEMORY:
- case EFI_ACPI_MEMORY_NVS:
- case EFI_RESERVED_TYPE:
- /*
- * Map into dom0 - We must respect protection
- * and cache attributes. Not all of these pages
- * are writable!!!
- */
- flags = ASSIGN_writable; /* dummy - zero */
- if (md->attribute & EFI_MEMORY_WP)
- flags |= ASSIGN_readonly;
- if ((md->attribute & EFI_MEMORY_UC) &&
- !(md->attribute & EFI_MEMORY_WB))
- flags |= ASSIGN_nocache;
-
- assign_domain_mach_page(d, start, size, flags);
-
- /* Fall-through. */
- case EFI_MEMORY_MAPPED_IO:
- /* Will be mapped with ioremap. */
- /* Copy descriptor. */
- *dom_md = *md;
- dom_md->virt_addr = 0;
- num_mds++;
- break;
-
- case EFI_MEMORY_MAPPED_IO_PORT_SPACE:
- flags = ASSIGN_writable; /* dummy - zero */
- if (md->attribute & EFI_MEMORY_UC)
- flags |= ASSIGN_nocache;
-
- if (start > 0x1ffffffff0000000UL) {
- mpaddr = 0x4000000000000UL - size;
- printk(XENLOG_INFO "Remapping IO ports from "
- "%lx to %lx\n", start, mpaddr);
- } else
- mpaddr = start;
-
- /* Map into dom0. */
- assign_domain_mmio_page(d, mpaddr, start, size, flags);
- /* Copy descriptor. */
- *dom_md = *md;
- dom_md->phys_addr = mpaddr;
- dom_md->virt_addr = 0;
- num_mds++;
- break;
-
- case EFI_CONVENTIONAL_MEMORY:
- case EFI_LOADER_CODE:
- case EFI_LOADER_DATA:
- case EFI_BOOT_SERVICES_CODE:
- case EFI_BOOT_SERVICES_DATA:
- if (!(md->attribute & EFI_MEMORY_WB))
- break;
-
- start = max(FW_END_PADDR, start);
- end = min(start + dom_mem, end);
- if (end <= start)
- break;
-
- dom_md->type = EFI_CONVENTIONAL_MEMORY;
- dom_md->phys_addr = start;
- dom_md->virt_addr = 0;
- dom_md->num_pages = (end - start) >> EFI_PAGE_SHIFT;
- dom_md->attribute = EFI_MEMORY_WB;
- num_mds++;
-
- dom_mem -= dom_md->num_pages << EFI_PAGE_SHIFT;
- break;
-
- case EFI_UNUSABLE_MEMORY:
- case EFI_PAL_CODE:
- /*
- * We don't really need these, but holes in the
- * memory map may cause Linux to assume there are
- * uncacheable ranges within a granule.
- */
- dom_md->type = EFI_UNUSABLE_MEMORY;
- dom_md->phys_addr = start;
- dom_md->virt_addr = 0;
- dom_md->num_pages = (end - start) >> EFI_PAGE_SHIFT;
- dom_md->attribute = EFI_MEMORY_WB;
- num_mds++;
- break;
-
- default:
- /* Print a warning but continue. */
- printk("complete_dom0_memmap: warning: "
- "unhandled MDT entry type %u\n", md->type);
- }
- }
- BUG_ON(num_mds > NUM_MEM_DESCS);
-
- sort(tables->efi_memmap, num_mds, sizeof(efi_memory_desc_t),
- efi_mdt_cmp, NULL);
-
- /* setup_guest() @ libxc/xc_linux_build() arranges memory for domU.
- * however no one arranges memory for dom0,
- * instead we allocate pages manually.
- */
- for (i = 0; i < num_mds; i++) {
- md = &tables->efi_memmap[i];
-
- if (md->type == EFI_LOADER_DATA ||
- md->type == EFI_PAL_CODE ||
- md->type == EFI_CONVENTIONAL_MEMORY) {
- unsigned long start = md->phys_addr & PAGE_MASK;
- unsigned long end = md->phys_addr +
- (md->num_pages << EFI_PAGE_SHIFT);
-
- if (end == start) {
- /* md->num_pages = 0 is allowed. */
- continue;
- }
-
- for (addr = start; addr < end; addr += PAGE_SIZE)
- assign_new_domain0_page(d, addr);
- }
- }
- // Map low-memory holes & unmapped MMIO for legacy drivers
- for (addr = 0; addr < ONE_MB; addr += PAGE_SIZE) {
- if (domain_page_mapped(d, addr))
- continue;
-
- if (efi_mmio(addr, PAGE_SIZE)) {
- unsigned long flags;
- flags = ASSIGN_writable | ASSIGN_nocache;
- assign_domain_mmio_page(d, addr, addr,
- PAGE_SIZE, flags);
- }
- }
- setup_dom0_memmap_info(d, tables, &num_mds);
- return num_mds;
-}
-
-static void
-efi_systable_init_domu(struct fw_tables *tables)
-{
- int i = 1;
- printk(XENLOG_GUEST XENLOG_INFO "DomainU EFI build up:");
-
- tables->efi_tables[i].guid = ACPI_20_TABLE_GUID;
- tables->efi_tables[i].table = FW_ACPI_BASE_PADDR;
- printk(" ACPI 2.0=0x%lx",tables->efi_tables[i].table);
- i++;
- printk("\n");
- BUG_ON(i > NUM_EFI_SYS_TABLES);
-}
-
-static int
-complete_domu_memmap(struct domain *d,
- struct fw_tables *tables,
- unsigned long maxmem,
- int num_mds,
- unsigned long memmap_info_pfn,
- unsigned long reserved_size)
-{
- efi_memory_desc_t *md;
- int i = num_mds; /* for MAKE_MD */
- int create_memmap = 0;
- xen_ia64_memmap_info_t* memmap_info;
- unsigned long paddr_start;
- unsigned long paddr_end;
- void *p;
- void *memmap_start;
- void *memmap_end;
-
- if (memmap_info_pfn == 0 || reserved_size == 0) {
- /* old domain builder which doesn't setup
- * memory map. create it for compatibility */
- memmap_info_pfn = (maxmem >> PAGE_SHIFT) - 1;
- /* 4 = memmap info page, start info page, xenstore page and
- console page */
- reserved_size = 4 << PAGE_SHIFT;
- create_memmap = 1;
- }
- paddr_start = memmap_info_pfn << PAGE_SHIFT;
- paddr_end = paddr_start + reserved_size;
- memmap_info = domain_mpa_to_imva(d, paddr_start);//XXX replace this
with xc_map_foreign_map_range()
- if (memmap_info->efi_memmap_size == 0) {
- create_memmap = 1;
- } else if (memmap_info->efi_memdesc_size != sizeof(md[0]) ||
- memmap_info->efi_memdesc_version !=
- EFI_MEMORY_DESCRIPTOR_VERSION) {
- printk(XENLOG_WARNING
- "%s: Warning: unknown memory map "
- "memmap size %"PRIu64" "
- "memdesc size %"PRIu64" "
- "version %"PRIu32"\n",
- __func__,
- memmap_info->efi_memmap_size,
- memmap_info->efi_memdesc_size,
- memmap_info->efi_memdesc_version);
- create_memmap = 1;
- } else if (reserved_size < memmap_info->efi_memmap_size) {
- printk(XENLOG_WARNING
- "%s: Warning: too short reserved size %"PRIu64"\n",
- __func__, reserved_size);
- return -EINVAL;
- } else if (memmap_info->efi_memmap_size >
- PAGE_SIZE - sizeof(*memmap_info)) {
- /*
- * curently memmap spanning more than single page isn't
- * supported.
- */
- printk(XENLOG_WARNING
- "%s: Warning: too large reserved_size %"PRIu64"\n",
- __func__, memmap_info->efi_memmap_size);
- return -ENOSYS;
- }
-
- if (create_memmap) {
- /*
- * old domain builder which doesn't setup
- * memory map. create it for compatibility
- */
- memmap_info->efi_memdesc_size = sizeof(md[0]);
- memmap_info->efi_memdesc_version =
- EFI_MEMORY_DESCRIPTOR_VERSION;
- memmap_info->efi_memmap_size = 1 * sizeof(md[0]);
- md = (efi_memory_desc_t*)&memmap_info->memdesc;
- md[num_mds].type = EFI_CONVENTIONAL_MEMORY;
- md[num_mds].pad = 0;
- md[num_mds].phys_addr = 0;
- md[num_mds].virt_addr = 0;
- md[num_mds].num_pages = maxmem >> EFI_PAGE_SHIFT;
- md[num_mds].attribute = EFI_MEMORY_WB;
- }
-
- memmap_start = &memmap_info->memdesc;
- memmap_end = memmap_start + memmap_info->efi_memmap_size;
- /* XXX Currently the table must be in a single page. */
- if ((unsigned long)memmap_end > (unsigned long)memmap_info + PAGE_SIZE)
- return -EINVAL;
-
- /* sort it bofore use
- * XXX: this is created by user space domain builder so that
- * we should check its integrity */
- sort(&memmap_info->memdesc,
- memmap_info->efi_memmap_size / memmap_info->efi_memdesc_size,
- memmap_info->efi_memdesc_size,
- efi_mdt_cmp, NULL);
-
- for (p = memmap_start; p < memmap_end; p +=
memmap_info->efi_memdesc_size) {
- unsigned long start;
- unsigned long end;
- md = p;
- start = md->phys_addr;
- end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT);
-
- if (start < FW_END_PADDR)
- start = FW_END_PADDR;
- if (end <= start)
- continue;
-
- /* exclude [paddr_start, paddr_end) */
- if (paddr_end <= start || end <= paddr_start) {
- MAKE_MD(EFI_CONVENTIONAL_MEMORY, EFI_MEMORY_WB,
- start, end);
- } else if (paddr_start <= start && paddr_end < end) {
- MAKE_MD(EFI_CONVENTIONAL_MEMORY, EFI_MEMORY_WB,
- paddr_end, end);
- } else if (start < paddr_start && end <= paddr_end) {
- MAKE_MD(EFI_CONVENTIONAL_MEMORY, EFI_MEMORY_WB,
- start, paddr_start);
- } else {
- MAKE_MD(EFI_CONVENTIONAL_MEMORY, EFI_MEMORY_WB,
- start, paddr_start);
- MAKE_MD(EFI_CONVENTIONAL_MEMORY, EFI_MEMORY_WB,
- paddr_end, end);
- }
- }
-
- /* memmap info page. */
- MAKE_MD(EFI_RUNTIME_SERVICES_DATA, EFI_MEMORY_WB,
- paddr_start, paddr_end);
-
- /* Create an entry for IO ports. */
- MAKE_MD(EFI_MEMORY_MAPPED_IO_PORT_SPACE, EFI_MEMORY_UC,
- IO_PORTS_PADDR, IO_PORTS_PADDR + IO_PORTS_SIZE);
-
- num_mds = i;
- sort(tables->efi_memmap, num_mds, sizeof(efi_memory_desc_t),
- efi_mdt_cmp, NULL);
- return num_mds;
-}
-
-static int
-dom_fw_init(struct domain *d,
- u64 brkimm,
- struct ia64_boot_param *bp,
- struct fw_tables *tables,
- unsigned long hypercalls_imva,
- unsigned long maxmem)
-{
- efi_memory_desc_t *md;
- unsigned long pfn;
- unsigned char checksum;
- char *cp;
- int num_mds, i;
-
- memset(tables, 0, sizeof(struct fw_tables));
-
- /* EFI systab. */
- tables->efi_systab.hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
- tables->efi_systab.hdr.revision = EFI_SYSTEM_TABLE_REVISION;
- tables->efi_systab.hdr.headersize = sizeof(tables->efi_systab.hdr);
-
- memcpy(tables->fw_vendor,FW_VENDOR,sizeof(FW_VENDOR));
- tables->efi_systab.fw_vendor = FW_FIELD_MPA(fw_vendor);
- tables->efi_systab.fw_revision = 1;
- tables->efi_systab.runtime = (void *)FW_FIELD_MPA(efi_runtime);
- tables->efi_systab.nr_tables = NUM_EFI_SYS_TABLES;
- tables->efi_systab.tables = FW_FIELD_MPA(efi_tables);
-
- /* EFI runtime. */
- tables->efi_runtime.hdr.signature = EFI_RUNTIME_SERVICES_SIGNATURE;
- tables->efi_runtime.hdr.revision = EFI_RUNTIME_SERVICES_REVISION;
- tables->efi_runtime.hdr.headersize = sizeof(tables->efi_runtime.hdr);
-
- pfn = 0;
- EFI_HYPERCALL_PATCH(get_time,EFI_GET_TIME);
- EFI_HYPERCALL_PATCH(set_time,EFI_SET_TIME);
- EFI_HYPERCALL_PATCH(get_wakeup_time,EFI_GET_WAKEUP_TIME);
- EFI_HYPERCALL_PATCH(set_wakeup_time,EFI_SET_WAKEUP_TIME);
- EFI_HYPERCALL_PATCH(set_virtual_address_map,
- EFI_SET_VIRTUAL_ADDRESS_MAP);
- EFI_HYPERCALL_PATCH(get_variable,EFI_GET_VARIABLE);
- EFI_HYPERCALL_PATCH(get_next_variable,EFI_GET_NEXT_VARIABLE);
- EFI_HYPERCALL_PATCH(set_variable,EFI_SET_VARIABLE);
- EFI_HYPERCALL_PATCH(get_next_high_mono_count,
- EFI_GET_NEXT_HIGH_MONO_COUNT);
- EFI_HYPERCALL_PATCH(reset_system,EFI_RESET_SYSTEM);
-
- /* System tables. */
- tables->efi_tables[0].guid = SAL_SYSTEM_TABLE_GUID;
- tables->efi_tables[0].table = FW_FIELD_MPA(sal_systab);
- for (i = 1; i < NUM_EFI_SYS_TABLES; i++) {
- tables->efi_tables[i].guid = NULL_GUID;
- tables->efi_tables[i].table = 0;
- }
- if (d == dom0) {
- efi_systable_init_dom0(tables);
- } else {
- efi_systable_init_domu(tables);
- }
-
- /* fill in the SAL system table: */
- memcpy(tables->sal_systab.signature, "SST_", 4);
- tables->sal_systab.size = sizeof(tables->sal_systab);
- tables->sal_systab.sal_rev_minor = 1;
- tables->sal_systab.sal_rev_major = 0;
- tables->sal_systab.entry_count = 2;
-
- memcpy((char *)tables->sal_systab.oem_id, "Xen/ia64", 8);
- memcpy((char *)tables->sal_systab.product_id, "Xen/ia64", 8);
-
- /* PAL entry point: */
- tables->sal_ed.type = SAL_DESC_ENTRY_POINT;
- tables->sal_ed.pal_proc = FW_HYPERCALL_PAL_CALL_PADDR;
- dom_fw_pal_hypercall_patch(brkimm, tables->sal_ed.pal_proc,
- hypercalls_imva);
- /* SAL entry point. */
- tables->sal_ed.sal_proc = FW_HYPERCALL_SAL_CALL_PADDR;
- dom_fw_hypercall_patch(brkimm, tables->sal_ed.sal_proc,
- FW_HYPERCALL_SAL_CALL, 1, hypercalls_imva);
- tables->sal_ed.gp = 0; /* will be ignored */
-
- /* Fill an AP wakeup descriptor. */
- tables->sal_wakeup.type = SAL_DESC_AP_WAKEUP;
- tables->sal_wakeup.mechanism = IA64_SAL_AP_EXTERNAL_INT;
- tables->sal_wakeup.vector = XEN_SAL_BOOT_RENDEZ_VEC;
-
- /* Compute checksum. */
- checksum = 0;
- for (cp = (char *)&tables->sal_systab;
- cp < (char *)&tables->fpswa_inf;
- ++cp)
- checksum += *cp;
- tables->sal_systab.checksum = -checksum;
-
- /* SAL return point. */
- dom_fw_hypercall_patch(brkimm, FW_HYPERCALL_SAL_RETURN_PADDR,
- FW_HYPERCALL_SAL_RETURN, 0, hypercalls_imva);
-
- /* Fill in the FPSWA interface: */
- if (fpswa_interface) {
- tables->fpswa_inf.revision = fpswa_interface->revision;
- dom_fpswa_hypercall_patch(brkimm, hypercalls_imva);
- tables->fpswa_inf.fpswa =
- (void *)FW_HYPERCALL_FPSWA_ENTRY_PADDR;
- }
-
- i = 0; /* Used by MAKE_MD */
-
- /* hypercall patches live here, masquerade as reserved PAL memory */
- MAKE_MD(EFI_PAL_CODE,EFI_MEMORY_WB|EFI_MEMORY_RUNTIME,
- FW_HYPERCALL_BASE_PADDR, FW_HYPERCALL_END_PADDR);
-
- /* Create dom0/domu md entry for fw and cpi tables area. */
- MAKE_MD(EFI_ACPI_MEMORY_NVS, EFI_MEMORY_WB | EFI_MEMORY_RUNTIME,
- FW_ACPI_BASE_PADDR, FW_ACPI_END_PADDR);
- MAKE_MD(EFI_RUNTIME_SERVICES_DATA, EFI_MEMORY_WB | EFI_MEMORY_RUNTIME,
- FW_TABLES_BASE_PADDR, FW_TABLES_END_PADDR);
-
- if (d != dom0 || running_on_sim) {
- /* DomU (or hp-ski).
- Create a continuous memory area. */
- /* kludge: bp->efi_memmap is used to pass memmap_info
- * page's pfn and number of pages to reserve.
- * Currently the following pages must be reserved.
- * memmap info page, start info page, xenstore page
- * and console page.
- * see ia64_setup_memmap() @ xc_dom_boot.c
- */
- num_mds = complete_domu_memmap(d, tables, maxmem, i,
- bp->efi_memmap,
- bp->efi_memmap_size);
- } else {
- /* Dom0.
- We must preserve ACPI data from real machine,
- as well as IO areas. */
- num_mds = complete_dom0_memmap(d, tables, maxmem, i);
- }
- if (num_mds < 0)
- return num_mds;
-
- /* Display memmap. */
- for (i = 0 ; i < num_mds; i++)
- print_md(&tables->efi_memmap[i]);
-
- /* Fill boot_param */
- bp->efi_systab = FW_FIELD_MPA(efi_systab);
- bp->efi_memmap = FW_FIELD_MPA(efi_memmap);
- bp->efi_memmap_size = num_mds * sizeof(efi_memory_desc_t);
- bp->efi_memdesc_size = sizeof(efi_memory_desc_t);
- bp->efi_memdesc_version = EFI_MEMDESC_VERSION;
- bp->command_line = 0;
- bp->console_info.num_cols = 80;
- bp->console_info.num_rows = 25;
- bp->console_info.orig_x = 0;
- bp->console_info.orig_y = 24;
- if (fpswa_interface)
- bp->fpswa = FW_FIELD_MPA(fpswa_inf);
- return 0;
-}
-
-static void
-dom_fw_domain_init(struct domain *d, struct fw_tables *tables)
-{
- /* Initialise for EFI_SET_VIRTUAL_ADDRESS_MAP emulation */
- d->arch.efi_runtime = &tables->efi_runtime;
- d->arch.fpswa_inf = &tables->fpswa_inf;
- d->arch.sal_data = &tables->sal_data;
-}
-
-static int
-dom_fw_set_convmem_end(struct domain *d)
-{
- xen_ia64_memmap_info_t* memmap_info;
- efi_memory_desc_t *md;
- void *p;
- void *memmap_start;
- void *memmap_end;
-
- if (d->shared_info->arch.memmap_info_pfn == 0)
- return -EINVAL;
-
- memmap_info = domain_mpa_to_imva(d,
d->shared_info->arch.memmap_info_pfn << PAGE_SHIFT);
- if (memmap_info->efi_memmap_size == 0 ||
- memmap_info->efi_memdesc_size != sizeof(*md) ||
- memmap_info->efi_memdesc_version !=
- EFI_MEMORY_DESCRIPTOR_VERSION)
- return -EINVAL;
- /* only 1page case is supported */
- if (d->shared_info->arch.memmap_info_num_pages != 1)
- return -ENOSYS;
-
- memmap_start = &memmap_info->memdesc;
- memmap_end = memmap_start + memmap_info->efi_memmap_size;
-
- /* XXX Currently the table must be in a single page. */
- if ((unsigned long)memmap_end > (unsigned long)memmap_info + PAGE_SIZE)
- return -EINVAL;
-
- /* sort it bofore use
- * XXX: this is created by user space domain builder so that
- * we should check its integrity */
- sort(&memmap_info->memdesc,
- memmap_info->efi_memmap_size / memmap_info->efi_memdesc_size,
- memmap_info->efi_memdesc_size,
- efi_mdt_cmp, NULL);
-
- if (d->arch.convmem_end == 0)
- d->arch.convmem_end = d->max_pages << PAGE_SHIFT;
- for (p = memmap_start; p < memmap_end; p +=
memmap_info->efi_memdesc_size) {
- unsigned long end;
- md = p;
- end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT);
- if (md->attribute == EFI_MEMORY_WB &&
- md->type == EFI_CONVENTIONAL_MEMORY &&
- md->num_pages > 0 &&
- d->arch.convmem_end < end)
- d->arch.convmem_end = end;
- }
- return 0;
-}
-
-int
-dom_fw_setup(struct domain *d, unsigned long bp_mpa, unsigned long maxmem)
-{
- int ret = 0;
- struct ia64_boot_param *bp;
- unsigned long imva_tables_base;
- unsigned long imva_hypercall_base;
-
- BUILD_BUG_ON(sizeof(struct fw_tables) >
- (FW_TABLES_END_PADDR - FW_TABLES_BASE_PADDR));
-
- BUILD_BUG_ON(sizeof(struct fake_acpi_tables) >
- (FW_ACPI_END_PADDR - FW_ACPI_BASE_PADDR));
-
- /* Create page for hypercalls. */
- assign_new_domain_page_if_dom0(d, FW_HYPERCALL_BASE_PADDR);
- imva_hypercall_base = (unsigned long)domain_mpa_to_imva
- (d, FW_HYPERCALL_BASE_PADDR);
-
- /* Create page for acpi tables. */
- if (d != dom0) {
- void *imva;
-
- assign_new_domain_page_if_dom0(d, FW_ACPI_BASE_PADDR);
- imva = domain_mpa_to_imva (d, FW_ACPI_BASE_PADDR);
- dom_fw_fake_acpi(d, (struct fake_acpi_tables *)imva);
- }
-
- /* Create page for FW tables. */
- assign_new_domain_page_if_dom0(d, FW_TABLES_BASE_PADDR);
- imva_tables_base = (unsigned long)domain_mpa_to_imva
- (d, FW_TABLES_BASE_PADDR);
-
- /* Create page for boot_param. */
- assign_new_domain_page_if_dom0(d, bp_mpa);
- bp = domain_mpa_to_imva(d, bp_mpa);
- if (d != dom0) {
- /*
- * XXX kludge.
- * when XEN_DOMCTL_arch_setup is called, shared_info can't
- * be accessed by libxc so that memmap_info_pfn isn't
- * initialized. But dom_fw_set_convmem_end() requires it,
- * so here we initialize it.
- * note:dom_fw_init() overwrites memmap_info_num_pages,
- * memmap_info_pfns.
- */
- if ((bp->efi_memmap_size & ~PAGE_MASK) != 0) {
- printk("%s:%d size 0x%lx 0x%lx 0x%lx\n",
- __func__, __LINE__,
- bp->efi_memmap_size,
- bp->efi_memmap_size & ~PAGE_SIZE,
- ~PAGE_SIZE);
- return -EINVAL;
- }
- if (bp->efi_memmap_size == 0) {
- /* old domain builder compatibility */
- d->shared_info->arch.memmap_info_num_pages = 1;
- d->shared_info->arch.memmap_info_pfn =
- (maxmem >> PAGE_SHIFT) - 1;
- } else {
- /*
- * 3: start info page, xenstore page and console page
- */
- if (bp->efi_memmap_size < 4 * PAGE_SIZE)
- return -EINVAL;
- d->shared_info->arch.memmap_info_num_pages =
- (bp->efi_memmap_size >> PAGE_SHIFT) - 3;
- d->shared_info->arch.memmap_info_pfn = bp->efi_memmap;
- /* currently multi page memmap isn't supported */
- if (d->shared_info->arch.memmap_info_num_pages != 1)
- return -ENOSYS;
- }
- }
- ret = dom_fw_init(d, d->arch.breakimm, bp,
- (struct fw_tables *)imva_tables_base,
- imva_hypercall_base, maxmem);
- if (ret < 0)
- return ret;
-
- dom_fw_domain_init(d, (struct fw_tables *)imva_tables_base);
- return dom_fw_set_convmem_end(d);
-}
_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog
|
 |
Lists.xenproject.org is hosted with RackSpace, monitoring our |