diff options
Diffstat (limited to 'i386/i386at/acpi.c')
-rw-r--r-- | i386/i386at/acpi.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/i386/i386at/acpi.c b/i386/i386at/acpi.c deleted file mode 100644 index ec8aeb1e..00000000 --- a/i386/i386at/acpi.c +++ /dev/null @@ -1,82 +0,0 @@ -/* acpi.c - get acpi tables. */ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 2009 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> -#include <grub/acpi.h> -#include <grub/misc.h> - -struct grub_acpi_rsdp_v10 * -grub_machine_acpi_get_rsdpv1 (void) -{ - int ebda_len; - grub_uint8_t *ebda, *ptr; - - grub_dprintf ("acpi", "Looking for RSDP. Scanning EBDA\n"); - ebda = (grub_uint8_t *) phystokv ((* ((grub_uint16_t *) phystokv (0x40e))) << 4); - ebda_len = * (grub_uint16_t *) ebda; - if (! ebda_len) - return 0; - for (ptr = ebda; ptr < ebda + 0x400; ptr += 16) - if (grub_memcmp (ptr, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 - && grub_byte_checksum (ptr, sizeof (struct grub_acpi_rsdp_v10)) == 0 - && ((struct grub_acpi_rsdp_v10 *) ptr)->revision == 0) - return (struct grub_acpi_rsdp_v10 *) ptr; - - grub_dprintf ("acpi", "Looking for RSDP. Scanning BIOS\n"); - for (ptr = (grub_uint8_t *) phystokv (0xe0000); ptr < (grub_uint8_t *) phystokv (0x100000); - ptr += 16) - if (grub_memcmp (ptr, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 - && grub_byte_checksum (ptr, sizeof (struct grub_acpi_rsdp_v10)) == 0 - && ((struct grub_acpi_rsdp_v10 *) ptr)->revision == 0) - return (struct grub_acpi_rsdp_v10 *) ptr; - return 0; -} - -struct grub_acpi_rsdp_v20 * -grub_machine_acpi_get_rsdpv2 (void) -{ - int ebda_len; - grub_uint8_t *ebda, *ptr; - - grub_dprintf ("acpi", "Looking for RSDP. Scanning EBDA\n"); - ebda = (grub_uint8_t *) phystokv ((* ((grub_uint16_t *) phystokv (0x40e))) << 4); - ebda_len = * (grub_uint16_t *) ebda; - if (! ebda_len) - return 0; - for (ptr = ebda; ptr < ebda + 0x400; ptr += 16) - if (grub_memcmp (ptr, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 - && grub_byte_checksum (ptr, sizeof (struct grub_acpi_rsdp_v10)) == 0 - && ((struct grub_acpi_rsdp_v10 *) ptr)->revision != 0 - && ((struct grub_acpi_rsdp_v20 *) ptr)->length < 1024 - && grub_byte_checksum (ptr, ((struct grub_acpi_rsdp_v20 *) ptr)->length) - == 0) - return (struct grub_acpi_rsdp_v20 *) ptr; - - grub_dprintf ("acpi", "Looking for RSDP. Scanning BIOS\n"); - for (ptr = (grub_uint8_t *) phystokv (0xe0000); ptr < (grub_uint8_t *) phystokv (0x100000); - ptr += 16) - if (grub_memcmp (ptr, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0 - && grub_byte_checksum (ptr, sizeof (struct grub_acpi_rsdp_v10)) == 0 - && ((struct grub_acpi_rsdp_v10 *) ptr)->revision != 0 - && ((struct grub_acpi_rsdp_v20 *) ptr)->length < 1024 - && grub_byte_checksum (ptr, ((struct grub_acpi_rsdp_v20 *) ptr)->length) - == 0) - return (struct grub_acpi_rsdp_v20 *) ptr; - return 0; -} |