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/* memory.h - describe the memory map */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2007,2010 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/>.
*/
#ifndef _GRUB_MACHINE_LBIO_HEADER
#define _GRUB_MACHINE_LBIO_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
struct grub_linuxbios_table_header
{
grub_uint8_t signature[4];
grub_uint32_t header_size;
grub_uint32_t header_checksum;
grub_uint32_t table_size;
grub_uint32_t table_checksum;
grub_uint32_t table_entries;
};
typedef struct grub_linuxbios_table_header *grub_linuxbios_table_header_t;
struct grub_linuxbios_timestamp_entry
{
grub_uint32_t id;
grub_uint64_t tsc;
} GRUB_PACKED;
struct grub_linuxbios_timestamp_table
{
grub_uint64_t base_tsc;
grub_uint32_t capacity;
grub_uint32_t used;
struct grub_linuxbios_timestamp_entry entries[0];
} GRUB_PACKED;
struct grub_linuxbios_mainboard
{
grub_uint8_t vendor;
grub_uint8_t part_number;
char strings[0];
};
struct grub_linuxbios_table_item
{
grub_uint32_t tag;
grub_uint32_t size;
};
typedef struct grub_linuxbios_table_item *grub_linuxbios_table_item_t;
enum
{
GRUB_LINUXBIOS_MEMBER_UNUSED = 0x00,
GRUB_LINUXBIOS_MEMBER_MEMORY = 0x01,
GRUB_LINUXBIOS_MEMBER_MAINBOARD = 0x03,
GRUB_LINUXBIOS_MEMBER_CONSOLE = 0x10,
GRUB_LINUXBIOS_MEMBER_LINK = 0x11,
GRUB_LINUXBIOS_MEMBER_FRAMEBUFFER = 0x12,
GRUB_LINUXBIOS_MEMBER_TIMESTAMPS = 0x16,
GRUB_LINUXBIOS_MEMBER_CBMEMC = 0x17
};
struct grub_linuxbios_table_framebuffer {
grub_uint64_t lfb;
grub_uint32_t width;
grub_uint32_t height;
grub_uint32_t pitch;
grub_uint8_t bpp;
grub_uint8_t red_field_pos;
grub_uint8_t red_mask_size;
grub_uint8_t green_field_pos;
grub_uint8_t green_mask_size;
grub_uint8_t blue_field_pos;
grub_uint8_t blue_mask_size;
grub_uint8_t reserved_field_pos;
grub_uint8_t reserved_mask_size;
} GRUB_PACKED;
struct grub_linuxbios_mem_region
{
grub_uint64_t addr;
grub_uint64_t size;
#define GRUB_MACHINE_MEMORY_AVAILABLE 1
grub_uint32_t type;
} GRUB_PACKED;
typedef struct grub_linuxbios_mem_region *mem_region_t;
grub_err_t
EXPORT_FUNC(grub_linuxbios_table_iterate) (int (*hook) (grub_linuxbios_table_item_t,
void *),
void *hook_data);
grub_linuxbios_table_header_t
grub_linuxbios_get_tables (void);
int
grub_linuxbios_check_signature (grub_linuxbios_table_header_t tbl_header);
#endif
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