1 files changed, 19 insertions, 0 deletions
diff --git a/src/kernel/arch/amd64/boot.h b/src/kernel/arch/amd64/boot.h
index 251086c..b68f52b 100644
--- a/src/kernel/arch/amd64/boot.h
+++ b/src/kernel/arch/amd64/boot.h
@@ -1,2 +1,21 @@
 #pragma once
+
+enum gdt_segs {
+	SEG_null,
+	/* order dictated by SYSENTER */
+	SEG_r0code,
+	SEG_r0data,
+	SEG_r3code,
+	SEG_r3data,
+	SEG_TSS,
+	SEG_TSS2,
+
+	SEG_end
+};
+
 void kmain_early(void *mbi);
+void gdt_init(void);
+void idt_init(void);
+
+/* used from asm */
+extern struct lgdt_arg lgdt_arg;