69 lines
1.9 KiB
C
69 lines
1.9 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 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_MEMORY_MACHINE_LB_HEADER
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#define _GRUB_MEMORY_MACHINE_LB_HEADER 1
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#include <grub/symbol.h>
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#include <grub/i386/pc/memory.h>
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#ifndef ASM_FILE
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#include <grub/types.h>
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#include <grub/err.h>
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#endif
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#define GRUB_MEMORY_MACHINE_LOWER_USABLE 0x9fc00 /* 640 kiB - 1 kiB */
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#define GRUB_MEMORY_MACHINE_LOWER_SIZE 0xf0000 /* 960 kiB */
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#define GRUB_MEMORY_MACHINE_UPPER_START 0x100000 /* 1 MiB */
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#ifndef ASM_FILE
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struct grub_linuxbios_table_header
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{
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char signature[4];
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grub_uint32_t size;
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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_table_item
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{
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#define GRUB_LINUXBIOS_MEMBER_UNUSED 0
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#define GRUB_LINUXBIOS_MEMBER_MEMORY 1
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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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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_LINUXBIOS_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 EXPORT_FUNC(grub_available_iterate)
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(int (*hook) (mem_region_t));
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#endif
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#endif /* ! _GRUB_MEMORY_MACHINE_HEADER */
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