amd64: barely boot into kernel code

1 files changed, 29 insertions, 0 deletions

diff --git a/src/kernel/arch/amd64/multiboot.h b/src/kernel/arch/amd64/multiboot.h
new file mode 100644
index 0000000..c6a2650
--- /dev/null
+++ b/src/kernel/arch/amd64/multiboot.h
@@ -0,0 +1,29 @@
+#pragma once
+#include <stdint.h>
+
+struct multiboot_mod {
+	uint32_t start;
+	uint32_t end;
+	uint32_t str;
+	uint32_t _reserved;
+} __attribute__((packed));
+
+struct multiboot_info {
+	uint32_t flag_mem         : 1;
+	uint32_t flag_boot_device : 1;
+	uint32_t flag_cmdline     : 1;
+	uint32_t flag_mods        : 1;
+	uint32_t _flag_other      : 28; // unimplemented
+
+	uint32_t mem_lower;
+	uint32_t mem_upper;
+
+	uint32_t boot_device;
+
+	uint32_t cmdline;
+
+	uint32_t mods_count;
+	uint32_t mods;
+
+	// [...]
+} __attribute__((packed));