74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#ifndef __STIVALE__STIVALE_H__
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#define __STIVALE__STIVALE_H__
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#include <stdint.h>
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/* --- Header --------------------------------------------------------------- */
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/* Information passed from the kernel to the bootloader */
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struct stivale_header {
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uint64_t stack;
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uint16_t flags;
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uint16_t framebuffer_width;
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uint16_t framebuffer_height;
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uint16_t framebuffer_bpp;
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uint64_t entry_point;
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} __attribute__((packed));
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/* --- Struct --------------------------------------------------------------- */
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/* Information passed from the bootloader to the kernel */
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struct stivale_module {
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uint64_t begin;
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uint64_t end;
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char string[128];
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uint64_t next;
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} __attribute__((packed));
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enum {
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STIVALE_MMAP_USABLE = 1,
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STIVALE_MMAP_RESERVED = 2,
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STIVALE_MMAP_ACPI_RECLAIMABLE = 3,
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STIVALE_MMAP_ACPI_NVS = 4,
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STIVALE_MMAP_BAD_MEMORY = 5,
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STIVALE_MMAP_KERNEL_AND_MODULES = 10,
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STIVALE_MMAP_BOOTLOADER_RECLAIMABLE = 0x1000
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};
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struct stivale_mmap_entry {
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uint64_t base;
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uint64_t length;
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uint32_t type;
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uint32_t unused;
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} __attribute__((packed));
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enum {
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STIVALE_FBUF_MMODEL_RGB = 1
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};
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struct stivale_struct {
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uint64_t cmdline;
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uint64_t memory_map_addr;
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uint64_t memory_map_entries;
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uint64_t framebuffer_addr;
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uint16_t framebuffer_pitch;
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uint16_t framebuffer_width;
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uint16_t framebuffer_height;
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uint16_t framebuffer_bpp;
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uint64_t rsdp;
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uint64_t module_count;
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uint64_t modules;
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uint64_t epoch;
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uint64_t flags; // bit 0: 1 if booted with BIOS, 0 if booted with UEFI
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// bit 1: 1 if extended colour information passed, 0 if not
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uint8_t fb_memory_model;
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uint8_t fb_red_mask_size;
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uint8_t fb_red_mask_shift;
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uint8_t fb_green_mask_size;
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uint8_t fb_green_mask_shift;
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uint8_t fb_blue_mask_size;
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uint8_t fb_blue_mask_shift;
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} __attribute__((packed));
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#endif
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