1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/include/multiboot2.h b/kernel/include/multiboot2.h
new file mode 100644
index 0000000..f22fd8e
--- /dev/null
+++ b/kernel/include/multiboot2.h
@@ -0,0 +1,40 @@
+#ifndef MULTIBOOT2_H
+#define MULTIBOOT2_H
+
+#include <stdint.h>
+
+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