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106 lines
2.8 KiB
C
106 lines
2.8 KiB
C
/* memory.h - describe the memory map */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2007,2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _GRUB_MACHINE_LBIO_HEADER
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#define _GRUB_MACHINE_LBIO_HEADER 1
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struct grub_linuxbios_table_header
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{
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grub_uint8_t signature[4];
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grub_uint32_t header_size;
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grub_uint32_t header_checksum;
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grub_uint32_t table_size;
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grub_uint32_t table_checksum;
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grub_uint32_t table_entries;
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};
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typedef struct grub_linuxbios_table_header *grub_linuxbios_table_header_t;
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struct grub_linuxbios_timestamp_entry
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{
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grub_uint32_t id;
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grub_uint64_t tsc;
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} __attribute__((packed));
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struct grub_linuxbios_timestamp_table
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{
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grub_uint64_t base_tsc;
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grub_uint32_t capacity;
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grub_uint32_t used;
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struct grub_linuxbios_timestamp_entry entries[0];
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} __attribute__((packed));
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struct grub_linuxbios_mainboard
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{
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grub_uint8_t vendor;
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grub_uint8_t part_number;
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char strings[0];
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};
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struct grub_linuxbios_table_item
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{
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grub_uint32_t tag;
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grub_uint32_t size;
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};
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typedef struct grub_linuxbios_table_item *grub_linuxbios_table_item_t;
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enum
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{
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GRUB_LINUXBIOS_MEMBER_UNUSED = 0x00,
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GRUB_LINUXBIOS_MEMBER_MEMORY = 0x01,
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GRUB_LINUXBIOS_MEMBER_MAINBOARD = 0x03,
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GRUB_LINUXBIOS_MEMBER_CONSOLE = 0x10,
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GRUB_LINUXBIOS_MEMBER_LINK = 0x11,
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GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER = 0x12,
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GRUB_LINUXBIOS_MEMBER_TIMESTAMPS = 0x16,
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GRUB_LINUXBIOS_MEMBER_CBMEMC = 0x17
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};
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struct grub_linuxbios_table_framebuffer {
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grub_uint64_t lfb;
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grub_uint32_t width;
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grub_uint32_t height;
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grub_uint32_t pitch;
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grub_uint8_t bpp;
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grub_uint8_t red_field_pos;
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grub_uint8_t red_mask_size;
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grub_uint8_t green_field_pos;
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grub_uint8_t green_mask_size;
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grub_uint8_t blue_field_pos;
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grub_uint8_t blue_mask_size;
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grub_uint8_t reserved_field_pos;
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grub_uint8_t reserved_mask_size;
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};
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struct grub_linuxbios_mem_region
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{
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grub_uint64_t addr;
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grub_uint64_t size;
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#define GRUB_MACHINE_MEMORY_AVAILABLE 1
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grub_uint32_t type;
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};
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typedef struct grub_linuxbios_mem_region *mem_region_t;
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grub_err_t
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EXPORT_FUNC(grub_linuxbios_table_iterate) (int (*hook) (grub_linuxbios_table_item_t,
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void *),
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void *hook_data);
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#endif
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