summaryrefslogtreecommitdiff
path: root/i386/i386at/acpihalt.c
diff options
context:
space:
mode:
Diffstat (limited to 'i386/i386at/acpihalt.c')
-rw-r--r--i386/i386at/acpihalt.c409
1 files changed, 0 insertions, 409 deletions
diff --git a/i386/i386at/acpihalt.c b/i386/i386at/acpihalt.c
deleted file mode 100644
index 23df44ff..00000000
--- a/i386/i386at/acpihalt.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2010 Free Software Foundation, Inc.
- *
- * GRUB 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 3 of the License, or
- * (at your option) any later version.
- *
- * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <grub/glue.h>
-
-#ifdef GRUB_DSDT_TEST
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-
-#define grub_dprintf(cond, args...) printf ( args )
-#define grub_printf printf
-typedef uint64_t grub_uint64_t;
-typedef uint32_t grub_uint32_t;
-typedef uint16_t grub_uint16_t;
-typedef uint8_t grub_uint8_t;
-
-#endif
-
-#include <grub/acpi.h>
-#ifndef GRUB_DSDT_TEST
-#include <grub/i18n.h>
-#else
-#define _(x) x
-#define N_(x) x
-#endif
-
-#ifndef GRUB_DSDT_TEST
-#include <grub/mm.h>
-#include <grub/misc.h>
-#include <grub/time.h>
-#include <grub/cpu/io.h>
-#endif
-
-static inline grub_uint32_t
-decode_length (const grub_uint8_t *ptr, int *numlen)
-{
- int num_bytes, i;
- grub_uint32_t ret;
- if (*ptr < 64)
- {
- if (numlen)
- *numlen = 1;
- return *ptr;
- }
- num_bytes = *ptr >> 6;
- if (numlen)
- *numlen = num_bytes + 1;
- ret = *ptr & 0xf;
- ptr++;
- for (i = 0; i < num_bytes; i++)
- {
- ret |= *ptr << (8 * i + 4);
- ptr++;
- }
- return ret;
-}
-
-static inline grub_uint32_t
-skip_name_string (const grub_uint8_t *ptr, const grub_uint8_t *end)
-{
- const grub_uint8_t *ptr0 = ptr;
-
- while (ptr < end && (*ptr == '^' || *ptr == '\\'))
- ptr++;
- switch (*ptr)
- {
- case '.':
- ptr++;
- ptr += 8;
- break;
- case '/':
- ptr++;
- ptr += 1 + (*ptr) * 4;
- break;
- case 0:
- ptr++;
- break;
- default:
- ptr += 4;
- break;
- }
- return ptr - ptr0;
-}
-
-static inline grub_uint32_t
-skip_data_ref_object (const grub_uint8_t *ptr, const grub_uint8_t *end)
-{
- grub_dprintf ("acpi", "data type = 0x%x\n", *ptr);
- switch (*ptr)
- {
- case GRUB_ACPI_OPCODE_PACKAGE:
- case GRUB_ACPI_OPCODE_BUFFER:
- return 1 + decode_length (ptr + 1, 0);
- case GRUB_ACPI_OPCODE_ZERO:
- case GRUB_ACPI_OPCODE_ONES:
- case GRUB_ACPI_OPCODE_ONE:
- return 1;
- case GRUB_ACPI_OPCODE_BYTE_CONST:
- return 2;
- case GRUB_ACPI_OPCODE_WORD_CONST:
- return 3;
- case GRUB_ACPI_OPCODE_DWORD_CONST:
- return 5;
- case GRUB_ACPI_OPCODE_STRING_CONST:
- {
- const grub_uint8_t *ptr0 = ptr;
- for (ptr++; ptr < end && *ptr; ptr++);
- if (ptr == end)
- return 0;
- return ptr - ptr0 + 1;
- }
- default:
- if (*ptr == '^' || *ptr == '\\' || *ptr == '_'
- || (*ptr >= 'A' && *ptr <= 'Z'))
- return skip_name_string (ptr, end);
- grub_printf ("Unknown opcode 0x%x\n", *ptr);
- return 0;
- }
-}
-
-static inline grub_uint32_t
-skip_ext_op (const grub_uint8_t *ptr, const grub_uint8_t *end)
-{
- const grub_uint8_t *ptr0 = ptr;
- int add;
- grub_dprintf ("acpi", "Extended opcode: 0x%x\n", *ptr);
- switch (*ptr)
- {
- case GRUB_ACPI_EXTOPCODE_MUTEX:
- ptr++;
- ptr += skip_name_string (ptr, end);
- ptr++;
- break;
- case GRUB_ACPI_EXTOPCODE_EVENT_OP:
- ptr++;
- ptr += skip_name_string (ptr, end);
- break;
- case GRUB_ACPI_EXTOPCODE_OPERATION_REGION:
- ptr++;
- ptr += skip_name_string (ptr, end);
- ptr++;
- ptr += add = skip_data_ref_object (ptr, end);
- if (!add)
- return 0;
- ptr += add = skip_data_ref_object (ptr, end);
- if (!add)
- return 0;
- break;
- case GRUB_ACPI_EXTOPCODE_FIELD_OP:
- case GRUB_ACPI_EXTOPCODE_DEVICE_OP:
- case GRUB_ACPI_EXTOPCODE_PROCESSOR_OP:
- case GRUB_ACPI_EXTOPCODE_POWER_RES_OP:
- case GRUB_ACPI_EXTOPCODE_THERMAL_ZONE_OP:
- case GRUB_ACPI_EXTOPCODE_INDEX_FIELD_OP:
- case GRUB_ACPI_EXTOPCODE_BANK_FIELD_OP:
- ptr++;
- ptr += decode_length (ptr, 0);
- break;
- default:
- grub_printf ("Unexpected extended opcode: 0x%x\n", *ptr);
- return 0;
- }
- return ptr - ptr0;
-}
-
-static int
-get_sleep_type (grub_uint8_t *table, grub_uint8_t *ptr, grub_uint8_t *end,
- grub_uint8_t *scope, int scope_len)
-{
- grub_uint8_t *prev = table;
-
- if (!ptr)
- ptr = table + sizeof (struct grub_acpi_table_header);
- while (ptr < end && prev < ptr)
- {
- int add;
- prev = ptr;
- grub_dprintf ("acpi", "Opcode 0x%x\n", *ptr);
- grub_dprintf ("acpi", "Tell %x\n", (unsigned) (ptr - table));
- switch (*ptr)
- {
- case GRUB_ACPI_OPCODE_EXTOP:
- ptr++;
- ptr += add = skip_ext_op (ptr, end);
- if (!add)
- return -1;
- break;
- case GRUB_ACPI_OPCODE_CREATE_WORD_FIELD:
- case GRUB_ACPI_OPCODE_CREATE_BYTE_FIELD:
- {
- ptr += 5;
- ptr += add = skip_data_ref_object (ptr, end);
- if (!add)
- return -1;
- ptr += 4;
- break;
- }
- case GRUB_ACPI_OPCODE_NAME:
- ptr++;
- if ((!scope || grub_memcmp (scope, "\\", scope_len) == 0) &&
- (grub_memcmp (ptr, "_S5_", 4) == 0 || grub_memcmp (ptr, "\\_S5_", 4) == 0))
- {
- int ll;
- grub_uint8_t *ptr2 = ptr;
- grub_dprintf ("acpi", "S5 found\n");
- ptr2 += skip_name_string (ptr, end);
- if (*ptr2 != 0x12)
- {
- grub_printf ("Unknown opcode in _S5: 0x%x\n", *ptr2);
- return -1;
- }
- ptr2++;
- decode_length (ptr2, &ll);
- ptr2 += ll;
- ptr2++;
- switch (*ptr2)
- {
- case GRUB_ACPI_OPCODE_ZERO:
- return 0;
- case GRUB_ACPI_OPCODE_ONE:
- return 1;
- case GRUB_ACPI_OPCODE_BYTE_CONST:
- return ptr2[1];
- default:
- grub_printf ("Unknown data type in _S5: 0x%x\n", *ptr2);
- return -1;
- }
- }
- ptr += add = skip_name_string (ptr, end);
- if (!add)
- return -1;
- ptr += add = skip_data_ref_object (ptr, end);
- if (!add)
- return -1;
- break;
- case GRUB_ACPI_OPCODE_SCOPE:
- {
- int scope_sleep_type;
- int ll;
- grub_uint8_t *name;
- int name_len;
-
- ptr++;
- add = decode_length (ptr, &ll);
- name = ptr + ll;
- name_len = skip_name_string (name, ptr + add);
- if (!name_len)
- return -1;
- scope_sleep_type = get_sleep_type (table, name + name_len,
- ptr + add, name, name_len);
- if (scope_sleep_type != -2)
- return scope_sleep_type;
- ptr += add;
- break;
- }
- case GRUB_ACPI_OPCODE_IF:
- case GRUB_ACPI_OPCODE_METHOD:
- {
- ptr++;
- ptr += decode_length (ptr, 0);
- break;
- }
- default:
- grub_printf ("Unknown opcode 0x%x\n", *ptr);
- return -1;
- }
- }
-
- return -2;
-}
-
-#ifdef GRUB_DSDT_TEST
-int
-main (int argc, char **argv)
-{
- FILE *f;
- size_t len;
- unsigned char *buf;
- if (argc < 2)
- printf ("Usage: %s FILE\n", argv[0]);
- f = grub_util_fopen (argv[1], "rb");
- if (!f)
- {
- printf ("Couldn't open file\n");
- return 1;
- }
- fseek (f, 0, SEEK_END);
- len = ftell (f);
- fseek (f, 0, SEEK_SET);
- buf = malloc (len);
- if (!buf)
- {
- printf (_("error: %s.\n"), _("out of memory"));
- fclose (f);
- return 2;
- }
- if (fread (buf, 1, len, f) != len)
- {
- printf (_("cannot read `%s': %s"), argv[1], strerror (errno));
- free (buf);
- fclose (f);
- return 2;
- }
-
- printf ("Sleep type = %d\n", get_sleep_type (buf, NULL, buf + len, NULL, 0));
- free (buf);
- fclose (f);
- return 0;
-}
-
-#else
-
-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"));
-}
-#endif
generated by cgit v1.2.3 (git 2.44.0) at 2024-05-03 01:41:50 +0000