From d4349352a57eb00ce411b4c0542d3207357aecbe Mon Sep 17 00:00:00 2001 From: Aleksa Vuckovic Date: Wed, 3 Aug 2022 21:28:15 +0200 Subject: drawing lines to fb --- include/multiboot2.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 include/multiboot2.h (limited to 'include/multiboot2.h') diff --git a/include/multiboot2.h b/include/multiboot2.h new file mode 100644 index 0000000..f22fd8e --- /dev/null +++ b/include/multiboot2.h @@ -0,0 +1,40 @@ +#ifndef MULTIBOOT2_H +#define MULTIBOOT2_H + +#include + +struct mb2_tag_header { + uint32_t type; + uint32_t size; +} __attribute__((packed, aligned(8))); +typedef struct mb2_tag_header mb2_tag_header; + +struct mb2_tag_fb { + uint32_t type; + uint32_t size; + uint64_t framebuffer_addr; + uint32_t framebuffer_pitch; + uint32_t framebuffer_width; + uint32_t framebuffer_height; + uint8_t framebuffer_bpp; + uint8_t framebuffer_type; +} __attribute__((packed, aligned(8))); +typedef struct mb2_tag_fb mb2_tag_fb; + +// multiboot2 magic check +#define MB2_MAGIC 0x36D76289 + +// multiboot2 tag +#define MB2_TAG_END 0 +#define MB2_TAG_CMDLINE 1 +#define MB2_TAG_BOOTLOADER 2 +#define MB2_TAG_MODULES 3 +#define MB2_TAG_MEM 4 +#define MB2_TAG_BIOS 5 +#define MB2_TAG_MMAP 6 +#define MB2_TAG_VBE 7 +#define MB2_TAG_FB 8 + +void init_fb(mb2_tag_header* multiboot_bootinfo, uint32_t multiboot_magic); + +#endif -- cgit v1.2.3