dont have jal, need to implement

2017-04-23 19:34:20 +08:00 · 2017-04-23 19:34:20 +08:00 · e6489c980a
parent 91cee77f86
commit e6489c980a
1 changed files with 2 additions and 1 deletions
--- a/am/arch/mips32-npc/src/trap.S
+++ b/am/arch/mips32-npc/src/trap.S
@ -62,10 +62,11 @@ do_irq:
 #give trapframe pointer to k1

 	lw		$k1, 0x4($sp)
+	lw		$ra,ret
 	j		irq_handle
 #popa

-	lw 		$at, 0x4($sp)
+ret:	lw 		$at, 0x4($sp)
 	lw 		$v0, 0x8($sp)
 	lw 		$v1, 0xc($sp)
 	lw 		$a0, 0x10($sp)