From f51366c49d4a5850ca845240ba2f7339190e4c94 Mon Sep 17 00:00:00 2001
From: QiaoChong <qiaochong@loongson.cn>
Date: Tue, 27 Jun 2017 14:58:09 +0800
Subject: [PATCH] add Bonito3a82w timer irq process in asm code.

Change-Id: I501c85dc8ffe24bbc47ceec69e9581d79e225d08
Signed-off-by: QiaoChong <qiaochong@loongson.cn>
---
 Targets/Bonito3a82w/Bonito/start.S | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Targets/Bonito3a82w/Bonito/start.S b/Targets/Bonito3a82w/Bonito/start.S
index 1e6104d0..751f103f 100644
--- a/Targets/Bonito3a82w/Bonito/start.S
+++ b/Targets/Bonito3a82w/Bonito/start.S
@@ -158,6 +158,19 @@ ext_map_and_reboot:
 
 	/* General exception */
 	.align	7			/* bfc00380 */
+#ifdef CLKIRQ_ENABLE 
+	mfc0 k1,COP_0_CAUSE_REG
+	andi k1,0x807f
+	xori k1,0x8000
+	bnez k1,1f
+	nop
+	mfc0 k1,$11
+	lui k0,0x1000
+	addu k1,k0
+	mtc0 k1,$11
+	eret
+1:	  
+#endif
 	la	a0, v380_msg
 	bal	stringserial
 	nop
@@ -310,6 +323,16 @@ wait_to_be_killed:
 	bne     t0, a0, slave_main
 	nop
 
+#ifdef CLKIRQ_ENABLE 
+	li	t0, SR_BOOT_EXC_VEC|0x8001	/* Exception to Boostrap Location */
+	mtc0	t0, COP_0_STATUS_REG
+	
+	li v0,0x10000000
+	mtc0 zero,$9
+	mtc0 v0,$11
+	mtc0	zero, COP_0_CAUSE_REG
+#endif
+
         bal     initserial
         nop
         bal     initserial1