Add get_gsbase()

2019-03-13 22:49:20 -07:00
parent 49bdf47514
commit 97e8f2c69a
3 changed files with 12 additions and 3 deletions
--- a/src/kernel/debug.s
+++ b/src/kernel/debug.s
@@ -8,6 +8,11 @@ get_rip:
 	pop rax ; do the same thing as 'ret', except with 'jmp'
 	jmp rax ; with the return address still in rax

+global get_gsbase
+get_gsbase:
+	rdgsbase rax
+	ret
+
 global _halt
 _halt:
 	hlt