forked from Bananymous/banan-os
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#pragma once
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#include <stdint.h>
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#define MULTIBOOT_FLAGS_FRAMEBUFFER (1 << 12)
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#define MULTIBOOT_FRAMEBUFFER_TYPE_GRAPHICS 1
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#define MULTIBOOT_FRAMEBUFFER_TYPE_TEXT 2
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struct framebuffer_info_t
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{
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uint64_t addr;
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uint32_t pitch;
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uint32_t width;
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uint32_t height;
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uint8_t bpp;
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uint8_t type;
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uint8_t color_info[6];
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};
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struct multiboot_memory_map_t
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{
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uint32_t size;
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uint64_t base_addr;
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uint64_t length;
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uint32_t type;
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} __attribute__((packed));
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// https://www.gnu.org/software/grub/manual/multiboot/multiboot.html#Boot-information-format
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struct multiboot_info_t
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{
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uint32_t flags;
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uint32_t mem_lower;
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uint32_t mem_upper;
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uint32_t boot_device;
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uint32_t cmdline;
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uint32_t mods_count;
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uint32_t mods_addr;
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uint32_t syms[4];
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uint32_t mmap_length;
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uint32_t mmap_addr;
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uint32_t drives_length;
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uint32_t drives_addr;
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uint32_t config_table;
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uint32_t boot_loader_name;
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uint32_t apm_table;
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uint32_t vbe_control_info;
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uint32_t vbe_mode_info;
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uint16_t vbe_mode;
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uint16_t vbe_interface_seg;
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uint16_t vbe_interface_off;
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uint16_t vbe_interface_len;
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framebuffer_info_t framebuffer;
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};
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extern "C" multiboot_info_t* g_multiboot_info;
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extern "C" uint32_t g_multiboot_magic;
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