void
grub_acpi_halt (void)
{
struct grub_acpi_rsdp_v20 *rsdp2;
struct grub_acpi_rsdp_v10 *rsdp1;
struct grub_acpi_table_header *rsdt;
grub_uint32_t *entry_ptr;
rsdp2 = grub_acpi_get_rsdpv2 ();
if (rsdp2)
rsdp1 = &(rsdp2->rsdpv1);
else
rsdp1 = grub_acpi_get_rsdpv1 ();
grub_dprintf ("acpi", "rsdp1=%p\n", rsdp1);
if (!rsdp1)
return;
rsdt = (struct grub_acpi_table_header *) (grub_addr_t) rsdp1->rsdt_addr;
for (entry_ptr = (grub_uint32_t *) (rsdt + 1);
entry_ptr < (grub_uint32_t *) (((grub_uint8_t *) rsdt)
+ rsdt->length);
entry_ptr++)
{
if (grub_memcmp ((void *) (grub_addr_t) *entry_ptr, "FACP", 4) == 0)
{
grub_uint32_t port;
struct grub_acpi_fadt *fadt
= ((struct grub_acpi_fadt *) (grub_addr_t) *entry_ptr);
struct grub_acpi_table_header *dsdt
= (struct grub_acpi_table_header *) (grub_addr_t) fadt->dsdt_addr;
int sleep_type = -1;
port = fadt->pm1a;
grub_dprintf ("acpi", "PM1a port=%x\n", port);
if (grub_memcmp (dsdt->signature, "DSDT",
sizeof (dsdt->signature)) != 0)
break;
sleep_type = get_sleep_type ((grub_uint8_t *) dsdt,
(grub_uint8_t *) dsdt + dsdt->length);
if (sleep_type < 0 || sleep_type >= 8)
break;
grub_dprintf ("acpi", "SLP_TYP = %d, port = 0x%x\n",
sleep_type, port);
grub_outw (GRUB_ACPI_SLP_EN
| (sleep_type << GRUB_ACPI_SLP_TYP_OFFSET), port & 0xffff);
}
}
grub_millisleep (1500);
/* TRANSLATORS: It's computer shutdown using ACPI, not disabling ACPI. */
grub_puts_ (N_("ACPI shutdown failed"));
}
grub_err_t
grub_multiboot_make_mbi (grub_uint32_t *target)
{
grub_properly_aligned_t *ptrorig;
grub_properly_aligned_t *mbistart;
grub_err_t err;
grub_size_t bufsize;
grub_relocator_chunk_t ch;
bufsize = grub_multiboot_get_mbi_size ();
COMPILE_TIME_ASSERT (MULTIBOOT_TAG_ALIGN % sizeof (grub_properly_aligned_t) == 0);
err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &ch,
0, 0xffffffff - bufsize,
bufsize, MULTIBOOT_TAG_ALIGN,
GRUB_RELOCATOR_PREFERENCE_NONE, 1);
if (err)
return err;
ptrorig = get_virtual_current_address (ch);
#if defined (__i386__) || defined (__x86_64__)
*target = get_physical_target_address (ch);
#elif defined (__mips)
*target = get_physical_target_address (ch) | 0x80000000;
#else
#error Please complete this
#endif
mbistart = ptrorig;
COMPILE_TIME_ASSERT ((2 * sizeof (grub_uint32_t))
% sizeof (grub_properly_aligned_t) == 0);
COMPILE_TIME_ASSERT (MULTIBOOT_TAG_ALIGN
% sizeof (grub_properly_aligned_t) == 0);
ptrorig += (2 * sizeof (grub_uint32_t)) / sizeof (grub_properly_aligned_t);
{
struct multiboot_tag_string *tag = (struct multiboot_tag_string *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_CMDLINE;
tag->size = sizeof (struct multiboot_tag_string) + cmdline_size;
grub_memcpy (tag->string, cmdline, cmdline_size);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
{
struct multiboot_tag_string *tag = (struct multiboot_tag_string *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME;
tag->size = sizeof (struct multiboot_tag_string) + sizeof (PACKAGE_STRING);
grub_memcpy (tag->string, PACKAGE_STRING, sizeof (PACKAGE_STRING));
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#ifdef GRUB_MACHINE_PCBIOS
{
struct grub_apm_info info;
if (grub_apm_get_info (&info))
{
struct multiboot_tag_apm *tag = (struct multiboot_tag_apm *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_APM;
tag->size = sizeof (struct multiboot_tag_apm);
tag->cseg = info.cseg;
tag->offset = info.offset;
tag->cseg_16 = info.cseg_16;
tag->dseg = info.dseg;
tag->flags = info.flags;
tag->cseg_len = info.cseg_len;
tag->dseg_len = info.dseg_len;
tag->cseg_16_len = info.cseg_16_len;
tag->version = info.version;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
}
#endif
{
unsigned i;
struct module *cur;
for (i = 0, cur = modules; i < modcnt; i++, cur = cur->next)
{
struct multiboot_tag_module *tag
= (struct multiboot_tag_module *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_MODULE;
tag->size = sizeof (struct multiboot_tag_module) + cur->cmdline_size;
tag->mod_start = cur->start;
tag->mod_end = tag->mod_start + cur->size;
grub_memcpy (tag->cmdline, cur->cmdline, cur->cmdline_size);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
}
{
struct multiboot_tag_mmap *tag = (struct multiboot_tag_mmap *) ptrorig;
grub_fill_multiboot_mmap (tag);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
{
struct multiboot_tag_elf_sections *tag
= (struct multiboot_tag_elf_sections *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_ELF_SECTIONS;
tag->size = sizeof (struct multiboot_tag_elf_sections)
+ elf_sec_entsize * elf_sec_num;
grub_memcpy (tag->sections, elf_sections, elf_sec_entsize * elf_sec_num);
tag->num = elf_sec_num;
tag->entsize = elf_sec_entsize;
tag->shndx = elf_sec_shstrndx;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
{
struct multiboot_tag_basic_meminfo *tag
= (struct multiboot_tag_basic_meminfo *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_BASIC_MEMINFO;
tag->size = sizeof (struct multiboot_tag_basic_meminfo);
/* Convert from bytes to kilobytes. */
tag->mem_lower = grub_mmap_get_lower () / 1024;
tag->mem_upper = grub_mmap_get_upper () / 1024;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
{
struct grub_net_network_level_interface *net;
FOR_NET_NETWORK_LEVEL_INTERFACES(net)
if (net->dhcp_ack)
{
struct multiboot_tag_network *tag
= (struct multiboot_tag_network *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_NETWORK;
tag->size = sizeof (struct multiboot_tag_network) + net->dhcp_acklen;
grub_memcpy (tag->dhcpack, net->dhcp_ack, net->dhcp_acklen);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
}
if (bootdev_set)
{
struct multiboot_tag_bootdev *tag
= (struct multiboot_tag_bootdev *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_BOOTDEV;
tag->size = sizeof (struct multiboot_tag_bootdev);
tag->biosdev = biosdev;
tag->slice = slice;
tag->part = part;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
{
err = retrieve_video_parameters (&ptrorig);
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
}
}
#if defined (GRUB_MACHINE_EFI) && defined (__x86_64__)
{
struct multiboot_tag_efi64 *tag = (struct multiboot_tag_efi64 *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI64;
tag->size = sizeof (*tag);
tag->pointer = (grub_addr_t) grub_efi_system_table;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#endif
#if defined (GRUB_MACHINE_EFI) && defined (__i386__)
{
struct multiboot_tag_efi32 *tag = (struct multiboot_tag_efi32 *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI32;
tag->size = sizeof (*tag);
tag->pointer = (grub_addr_t) grub_efi_system_table;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#endif
#if GRUB_MACHINE_HAS_ACPI
{
struct multiboot_tag_old_acpi *tag = (struct multiboot_tag_old_acpi *)
ptrorig;
struct grub_acpi_rsdp_v10 *a = grub_acpi_get_rsdpv1 ();
if (a)
{
tag->type = MULTIBOOT_TAG_TYPE_ACPI_OLD;
tag->size = sizeof (*tag) + sizeof (*a);
grub_memcpy (tag->rsdp, a, sizeof (*a));
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
}
{
struct multiboot_tag_new_acpi *tag = (struct multiboot_tag_new_acpi *)
ptrorig;
struct grub_acpi_rsdp_v20 *a = grub_acpi_get_rsdpv2 ();
if (a)
{
tag->type = MULTIBOOT_TAG_TYPE_ACPI_NEW;
tag->size = sizeof (*tag) + a->length;
grub_memcpy (tag->rsdp, a, a->length);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
}
#endif
#ifdef GRUB_MACHINE_EFI
{
struct multiboot_tag_efi_mmap *tag = (struct multiboot_tag_efi_mmap *) ptrorig;
grub_efi_uintn_t efi_desc_size;
grub_efi_uint32_t efi_desc_version;
tag->type = MULTIBOOT_TAG_TYPE_EFI_MMAP;
tag->size = sizeof (*tag) + efi_mmap_size;
if (!keep_bs)
err = grub_efi_finish_boot_services (&efi_mmap_size, tag->efi_mmap, NULL,
&efi_desc_size, &efi_desc_version);
else
{
if (grub_efi_get_memory_map (&efi_mmap_size, (void *) tag->efi_mmap,
NULL,
&efi_desc_size, &efi_desc_version) <= 0)
err = grub_error (GRUB_ERR_IO, "couldn't retrieve memory map");
}
if (err)
return err;
tag->descr_size = efi_desc_size;
tag->descr_vers = efi_desc_version;
tag->size = sizeof (*tag) + efi_mmap_size;
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
if (keep_bs)
{
struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_EFI_BS;
tag->size = sizeof (struct multiboot_tag);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
#endif
{
struct multiboot_tag *tag = (struct multiboot_tag *) ptrorig;
tag->type = MULTIBOOT_TAG_TYPE_END;
tag->size = sizeof (struct multiboot_tag);
ptrorig += ALIGN_UP (tag->size, MULTIBOOT_TAG_ALIGN)
/ sizeof (grub_properly_aligned_t);
}
((grub_uint32_t *) mbistart)[0] = (char *) ptrorig - (char *) mbistart;
((grub_uint32_t *) mbistart)[1] = 0;
return GRUB_ERR_NONE;
}
grub_err_t
grub_acpi_create_ebda (void)
{
struct grub_acpi_create_ebda_ctx ctx = {
.highestlow = 0
};
int ebda_kb_len = 0;
int mmapregion = 0;
grub_uint8_t *ebda, *v1inebda = 0, *v2inebda = 0;
grub_uint8_t *targetebda, *target;
struct grub_acpi_rsdp_v10 *v1;
struct grub_acpi_rsdp_v20 *v2;
ebda = (grub_uint8_t *) (grub_addr_t) ((*((grub_uint16_t *)0x40e)) << 4);
if (ebda)
ebda_kb_len = *(grub_uint16_t *) ebda;
if (ebda_kb_len > 16)
ebda_kb_len = 0;
ctx.ebda_len = (ebda_kb_len + 1) << 10;
/* FIXME: use low-memory mm allocation once it's available. */
grub_mmap_iterate (find_hook, &ctx);
targetebda = (grub_uint8_t *) (grub_addr_t) ctx.highestlow;
grub_dprintf ("acpi", "creating ebda @%llx\n",
(unsigned long long) ctx.highestlow);
if (! ctx.highestlow)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't find space for the new EBDA");
mmapregion = grub_mmap_register ((grub_addr_t) targetebda, ctx.ebda_len,
GRUB_MEMORY_RESERVED);
if (! mmapregion)
return grub_errno;
/* XXX: EBDA is unstandardized, so this implementation is heuristical. */
if (ebda_kb_len)
grub_memcpy (targetebda, ebda, 0x400);
else
grub_memset (targetebda, 0, 0x400);
*((grub_uint16_t *) targetebda) = ebda_kb_len + 1;
target = targetebda;
v1 = grub_acpi_get_rsdpv1 ();
v2 = grub_acpi_get_rsdpv2 ();
if (v2 && v2->length > 40)
v2 = 0;
/* First try to replace already existing rsdp. */
if (v2)
{
grub_dprintf ("acpi", "Scanning EBDA for old rsdpv2\n");
for (; target < targetebda + 0x400 - v2->length; target += 0x10)
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0
&& ((struct grub_acpi_rsdp_v10 *) target)->revision != 0
&& ((struct grub_acpi_rsdp_v20 *) target)->length <= v2->length)
{
grub_memcpy (target, v2, v2->length);
grub_dprintf ("acpi", "Copying rsdpv2 to %p\n", target);
v2inebda = target;
target += v2->length;
target = (grub_uint8_t *) ((((long) target - 1) | 0xf) + 1);
v2 = 0;
break;
}
}
if (v1)
{
grub_dprintf ("acpi", "Scanning EBDA for old rsdpv1\n");
for (; target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10);
target += 0x10)
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0)
{
grub_memcpy (target, v1, sizeof (struct grub_acpi_rsdp_v10));
grub_dprintf ("acpi", "Copying rsdpv1 to %p\n", target);
v1inebda = target;
target += sizeof (struct grub_acpi_rsdp_v10);
target = (grub_uint8_t *) ((((long) target - 1) | 0xf) + 1);
v1 = 0;
break;
}
}
target = targetebda + 0x100;
/* Try contiguous zeros. */
if (v2)
{
grub_dprintf ("acpi", "Scanning EBDA for block of zeros\n");
for (; target < targetebda + 0x400 - v2->length; target += 0x10)
if (iszero (target, v2->length))
{
grub_dprintf ("acpi", "Copying rsdpv2 to %p\n", target);
grub_memcpy (target, v2, v2->length);
v2inebda = target;
target += v2->length;
target = (grub_uint8_t *) ((((long) target - 1) | 0xf) + 1);
v2 = 0;
break;
}
}
if (v1)
{
grub_dprintf ("acpi", "Scanning EBDA for block of zeros\n");
for (; target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10);
target += 0x10)
if (iszero (target, sizeof (struct grub_acpi_rsdp_v10)))
{
grub_dprintf ("acpi", "Copying rsdpv1 to %p\n", target);
grub_memcpy (target, v1, sizeof (struct grub_acpi_rsdp_v10));
v1inebda = target;
target += sizeof (struct grub_acpi_rsdp_v10);
target = (grub_uint8_t *) ((((long) target - 1) | 0xf) + 1);
v1 = 0;
break;
}
}
if (v1 || v2)
{
grub_mmap_unregister (mmapregion);
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't find suitable spot in EBDA");
}
/* Remove any other RSDT. */
for (target = targetebda;
target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10);
target += 0x10)
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0
&& target != v1inebda && target != v2inebda)
*target = 0;
grub_dprintf ("acpi", "Switching EBDA\n");
(*((grub_uint16_t *) 0x40e)) = ((long)targetebda) >> 4;
grub_dprintf ("acpi", "EBDA switched\n");
return GRUB_ERR_NONE;
}
#endif
/* Create tables common to ACPIv1 and ACPIv2+ */
static void
setup_common_tables (void)
{
struct efiemu_acpi_table *cur;
struct grub_acpi_table_header *rsdt;
grub_uint32_t *rsdt_entry;
int numoftables;
/* Treat DSDT. */
grub_memcpy (playground_ptr, table_dsdt, dsdt_size);
grub_free (table_dsdt);
table_dsdt = playground_ptr;
playground_ptr += dsdt_size;
/* Treat other tables. */
for (cur = acpi_tables; cur; cur = cur->next)
{
struct grub_acpi_fadt *fadt;
grub_memcpy (playground_ptr, cur->addr, cur->size);
grub_free (cur->addr);
cur->addr = playground_ptr;
playground_ptr += cur->size;
/* If it's FADT correct DSDT and FACS addresses. */
fadt = (struct grub_acpi_fadt *) cur->addr;
if (grub_memcmp (fadt->hdr.signature, GRUB_ACPI_FADT_SIGNATURE,
sizeof (fadt->hdr.signature)) == 0)
{
fadt->dsdt_addr = (grub_addr_t) table_dsdt;
fadt->facs_addr = facs_addr;
/* Does a revision 2 exist at all? */
if (fadt->hdr.revision >= 3)
{
fadt->dsdt_xaddr = (grub_addr_t) table_dsdt;
fadt->facs_xaddr = facs_addr;
}
/* Recompute checksum. */
fadt->hdr.checksum = 0;
fadt->hdr.checksum = 1 + ~grub_byte_checksum (fadt, fadt->hdr.length);
}
}
/* Fill RSDT entries. */
numoftables = 0;
for (cur = acpi_tables; cur; cur = cur->next)
numoftables++;
rsdt_addr = rsdt = (struct grub_acpi_table_header *) playground_ptr;
playground_ptr += sizeof (struct grub_acpi_table_header) + sizeof (grub_uint32_t) * numoftables;
rsdt_entry = (grub_uint32_t *) (rsdt + 1);
/* Fill RSDT header. */
grub_memcpy (&(rsdt->signature), "RSDT", 4);
rsdt->length = sizeof (struct grub_acpi_table_header) + sizeof (grub_uint32_t) * numoftables;
rsdt->revision = 1;
grub_memcpy (&(rsdt->oemid), root_oemid, sizeof (rsdt->oemid));
grub_memcpy (&(rsdt->oemtable), root_oemtable, sizeof (rsdt->oemtable));
rsdt->oemrev = root_oemrev;
grub_memcpy (&(rsdt->creator_id), root_creator_id, sizeof (rsdt->creator_id));
rsdt->creator_rev = root_creator_rev;
for (cur = acpi_tables; cur; cur = cur->next)
*(rsdt_entry++) = (grub_addr_t) cur->addr;
/* Recompute checksum. */
rsdt->checksum = 0;
rsdt->checksum = 1 + ~grub_byte_checksum (rsdt, rsdt->length);
}
/* Regenerate ACPIv1 RSDP */
static void
setv1table (void)
{
/* Create RSDP. */
rsdpv1_new = (struct grub_acpi_rsdp_v10 *) playground_ptr;
playground_ptr += sizeof (struct grub_acpi_rsdp_v10);
grub_memcpy (&(rsdpv1_new->signature), GRUB_RSDP_SIGNATURE,
sizeof (rsdpv1_new->signature));
grub_memcpy (&(rsdpv1_new->oemid), root_oemid, sizeof (rsdpv1_new->oemid));
rsdpv1_new->revision = 0;
rsdpv1_new->rsdt_addr = (grub_addr_t) rsdt_addr;
rsdpv1_new->checksum = 0;
rsdpv1_new->checksum = 1 + ~grub_byte_checksum (rsdpv1_new,
sizeof (*rsdpv1_new));
grub_dprintf ("acpi", "Generated ACPIv1 tables\n");
}
void
grub_acpi_halt (void)
{
struct grub_acpi_rsdp_v20 *rsdp2;
struct grub_acpi_rsdp_v10 *rsdp1;
struct grub_acpi_table_header *rsdt;
grub_uint32_t *entry_ptr;
grub_uint32_t port = 0;
int sleep_type = -1;
rsdp2 = grub_acpi_get_rsdpv2 ();
if (rsdp2)
rsdp1 = &(rsdp2->rsdpv1);
else
rsdp1 = grub_acpi_get_rsdpv1 ();
grub_dprintf ("acpi", "rsdp1=%p\n", rsdp1);
if (!rsdp1)
return;
rsdt = (struct grub_acpi_table_header *)
io_map_cached (rsdp1->rsdt_addr, sizeof *rsdt);
rsdt = (struct grub_acpi_table_header *)
io_map_cached (rsdp1->rsdt_addr, rsdt->length);
for (entry_ptr = (grub_uint32_t *) (rsdt + 1);
entry_ptr < (grub_uint32_t *) (((grub_uint8_t *) rsdt)
+ rsdt->length);
entry_ptr++)
{
if (grub_memcmp ((void *) io_map_cached (*entry_ptr, 4),
"FACP", 4) == 0)
{
struct grub_acpi_fadt *fadt = (struct grub_acpi_fadt *)
io_map_cached (*entry_ptr, sizeof *fadt);
struct grub_acpi_table_header *dsdt =
(struct grub_acpi_table_header *)
io_map_cached (fadt->dsdt_addr, sizeof *dsdt);
grub_uint8_t *buf = (grub_uint8_t *)
io_map_cached (fadt->dsdt_addr, dsdt->length);
port = fadt->pm1a;
grub_dprintf ("acpi", "PM1a port=%x\n", port);
if (grub_memcmp (dsdt->signature, "DSDT",
sizeof (dsdt->signature)) == 0
&& sleep_type < 0)
sleep_type = get_sleep_type (buf, NULL, buf + dsdt->length,
NULL, 0);
}
else
if (grub_memcmp ((void *) io_map_cached (*entry_ptr, 4), "SSDT", 4) == 0
&& sleep_type < 0)
{
struct grub_acpi_table_header *ssdt
= (struct grub_acpi_table_header *) (grub_addr_t)
io_map_cached (*entry_ptr, sizeof *ssdt);
grub_uint8_t *buf = (grub_uint8_t *)
io_map_cached (*entry_ptr, ssdt->length);
grub_dprintf ("acpi", "SSDT = %p\n", ssdt);
sleep_type = get_sleep_type (buf, NULL, buf + ssdt->length, NULL, 0);
}
}
grub_dprintf ("acpi", "SLP_TYP = %d, port = 0x%x\n", sleep_type, port);
if (port && sleep_type >= 0 && sleep_type < 8)
grub_outw (GRUB_ACPI_SLP_EN | (sleep_type << GRUB_ACPI_SLP_TYP_OFFSET),
port & 0xffff);
grub_millisleep (1500);
/* TRANSLATORS: It's computer shutdown using ACPI, not disabling ACPI. */
grub_puts_ (N_("ACPI shutdown failed"));
}
