yboot2-proto/include/protocol.h

// TODO: cbindgen doesn't work lmao
#pragma once

#define YB_CMDLINE_SIZE 256
#define YB_KERNEL_MAGIC_V1  0x00A197A9B007B007
#define YB_LOADER_MAGIC_V1  0x00700B700B9A791A
#define YB_KERNEL_MAGIC_V1A {0x07, 0xB0, 0x07, 0xB0, 0xA9, 0x97, 0xA1, 0x00}
#define YB_LOADER_MAGIC_V1A {0x1A, 0x79, 0x9A, 0x0B, 0x70, 0x0B, 0x70, 0x00}

#define YB_FLAG_VIDEO   (1 << 0)
#define YB_FLAG_INITRD  (1 << 1)
#define YB_FLAG_UPPER   (1 << 2)

#define YB_LFB_BGR32    0
#define YB_LFB_RGB32    1
#define YB_LFB_ANY      2
#define YB_TEXT         3

#if !defined(__ASM__)
#include <stdint.h>

struct yb_header {
    uint8_t kernel_magic[8];
    uint8_t loader_magic[8];
};

struct yb_video_info {
    uint32_t width, height;
    uint32_t format;
    uint64_t framebuffer, pitch;
};

struct yb_memory_map_info {
    uint64_t address;
    uint32_t size, entsize;
};

struct yb_elf_tables {
    uint64_t symtab_hdr, symtab_data;
    uint64_t strtab_hdr, strtab_data;
};

struct yb_proto_v1 {
    struct yb_header hdr;
    uint32_t flags;

    struct yb_video_info video;
    struct yb_memory_map_info memory_map;
    struct yb_elf_tables elf_tables;

    uint64_t initrd_base, initrd_size;

    uint64_t rsdp;

    char cmdline[YB_CMDLINE_SIZE];
};
#endif