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"));
}
static grub_err_t
grub_cmd_write (grub_command_t cmd, int argc, char **argv)
{
grub_target_addr_t addr;
grub_uint32_t value;
grub_uint32_t mask = 0xffffffff;
if (argc != 2 && argc != 3)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "Invalid number of arguments");
addr = grub_strtoul (argv[0], 0, 0);
value = grub_strtoul (argv[1], 0, 0);
if (argc == 3)
mask = grub_strtoul (argv[2], 0, 0);
value &= mask;
switch (cmd->name[sizeof ("out") - 1])
{
case 'l':
if (mask != 0xffffffff)
grub_outl ((grub_inl (addr) & ~mask) | value, addr);
else
grub_outl (value, addr);
break;
case 'w':
if ((mask & 0xffff) != 0xffff)
grub_outw ((grub_inw (addr) & ~mask) | value, addr);
else
grub_outw (value, addr);
break;
case 'b':
if ((mask & 0xff) != 0xff)
grub_outb ((grub_inb (addr) & ~mask) | value, addr);
else
grub_outb (value, addr);
break;
}
return 0;
}
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"));
}