From 0d8a06e96d70b5a6a23dd086737a8df30f709e0e Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Tue, 8 Apr 2025 17:55:23 -0400
Subject: refactor mboot

---
 kernel/mboot/mboot.h | 82 ++--------------------------------------------------
 1 file changed, 3 insertions(+), 79 deletions(-)

(limited to 'kernel/mboot/mboot.h')

diff --git a/kernel/mboot/mboot.h b/kernel/mboot/mboot.h
index 7e8c09a..8887aec 100644
--- a/kernel/mboot/mboot.h
+++ b/kernel/mboot/mboot.h
@@ -11,93 +11,17 @@
 
 #include <lib.h>
 
-#define MBOOT_HEADER_MAGIC 0x36D76289
+#define MULTIBOOT2_BOOTLOADER_MAGIC 0x36D76289
 
-#define MBOOT_CMDLINE 1
-#define MBOOT_MEMORY_MAP 6
-#define MBOOT_FRAMEBUFFER 8
-#define MBOOT_ELF_SYMBOLS 9
-#define MBOOT_OLD_RSDP 14
-#define MBOOT_NEW_RSDP 15
-
-struct mboot_info {
+struct multiboot {
 	uint32_t total_size;
 	uint32_t reserved;
 	char tags[];
 };
 
-struct mboot_tag {
-	uint32_t type;
-	uint32_t size;
-	char data[];
-};
-
-struct mboot_tag_elf_sections {
-	uint32_t type;
-	uint32_t size;
-	uint16_t num;
-	uint16_t entsize;
-	uint16_t shndx;
-	uint16_t reserved;
-	char sections[];
-};
-
-struct mboot_tag_elf_sections_entry {
-	uint32_t sh_name;
-	uint32_t sh_type;
-	uint64_t sh_flags;
-	uint64_t sh_addr;
-	uint64_t sh_offset;
-	uint64_t sh_size;
-	uint32_t sh_link;
-	uint32_t sh_info;
-	uint64_t sh_addralign;
-	uint64_t sh_entsize;
-};
-
-struct mboot_mmap_entry {
-	uint64_t addr;
-	uint64_t len;
-	uint32_t type;
-	uint32_t zero;
-};
-
-struct mboot_tag_mmap {
-	uint32_t type;
-	uint32_t size;
-	uint32_t entry_size;
-	uint32_t entry_version;
-	struct mboot_mmap_entry entries[];
-};
-
-struct mboot_tag_old_rsdp {
-	uint32_t type;
-	uint32_t size;
-	char rsdp[];
-};
-
-struct mboot_tag_new_rsdp {
-	uint32_t type;
-	uint32_t size;
-	char rsdp[];
-};
-
-struct mboot_tag_cmdline {
-	uint32_t type;
-	uint32_t size;
-	uint8_t cmdline[];
-};
-
-struct mboot_tag_framebuffer {
+struct multiboot_tag {
 	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;
-	uint16_t reserved;
 };
 
 void *locate_mboot_table(uint32_t type);
-- 
cgit v1.2.3-freya