Add simple stack trace to exception handler

2018-05-05 17:12:02 -07:00
parent 569bc243f1
commit 34156c55ae
5 changed files with 39 additions and 3 deletions
--- a/src/kernel/boot.s
+++ b/src/kernel/boot.s
@@ -19,6 +19,9 @@ _start:
 	cli

 	mov rsp, stack_end
+	push 0 ; signal end of stack with 0 return address
+
+	mov rbp, rsp
 	extern kernel_main
 	call kernel_main

@@ -40,6 +43,7 @@ interrupts_disable:
 	ret

 section .bss
+align 0x100
 stack_begin:
 	resb 0x4000 ; 16KiB stack space
 stack_end: