90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
#pragma once
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#define MULTIBOOT_MAGIC 0x1BADB002
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#define MULTIBOOT_EAX_MAGIC 0x2BADB002
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#define MULTIBOOT_FLAG_MEM 0x001
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#define MULTIBOOT_FLAG_DEVICE 0x002
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#define MULTIBOOT_FLAG_CMDLINE 0x004
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#define MULTIBOOT_FLAG_MODS 0x008
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#define MULTIBOOT_FLAG_AOUT 0x010
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#define MULTIBOOT_FLAG_ELF 0x020
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#define MULTIBOOT_FLAG_MMAP 0x040
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#define MULTIBOOT_FLAG_CONFIG 0x080
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#define MULTIBOOT_FLAG_LOADER 0x100
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#define MULTIBOOT_FLAG_APM 0x200
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#define MULTIBOOT_FLAG_VBE 0x400
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struct multiboot
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{
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uintptr_t flags;
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uintptr_t mem_lower;
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uintptr_t mem_upper;
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uintptr_t boot_device;
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uintptr_t cmdline;
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uintptr_t mods_count;
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uintptr_t mods_addr;
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uintptr_t num;
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uintptr_t size;
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uintptr_t addr;
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uintptr_t shndx;
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uintptr_t mmap_length;
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uintptr_t mmap_addr;
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uintptr_t drives_length;
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uintptr_t drives_addr;
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uintptr_t config_table;
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uintptr_t boot_loader_name;
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uintptr_t apm_table;
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uintptr_t vbe_control_info;
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uintptr_t vbe_mode_info;
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uintptr_t vbe_mode;
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uintptr_t vbe_interface_seg;
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uintptr_t vbe_interface_off;
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uintptr_t vbe_interface_len;
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} __attribute__ ((packed));
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typedef struct {
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uint16_t attributes;
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uint8_t winA, winB;
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uint16_t granularity;
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uint16_t winsize;
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uint16_t segmentA, segmentB;
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uint32_t realFctPtr;
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uint16_t pitch;
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uint16_t Xres, Yres;
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uint8_t Wchar, Ychar, planes, bpp, banks;
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uint8_t memory_model, bank_size, image_pages;
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uint8_t reserved0;
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uint8_t red_mask, red_position;
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uint8_t green_mask, green_position;
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uint8_t blue_mask, blue_position;
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uint8_t rsv_mask, rsv_position;
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uint8_t directcolor_attributes;
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uint32_t physbase;
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uint32_t reserved1;
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uint16_t reserved2;
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} __attribute__ ((packed)) vbe_info_t;
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typedef struct {
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uintptr_t mod_start;
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uintptr_t mod_end;
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uintptr_t cmdline;
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uintptr_t reserved;
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} __attribute__ ((packed)) mboot_mod_t;
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typedef struct {
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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)) mboot_memmap_t;
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extern struct multiboot *copy_multiboot(struct multiboot *mboot_ptr);
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extern void dump_multiboot(struct multiboot *mboot_ptr);
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extern char * ramdisk;
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extern struct multiboot * mboot_ptr;
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