From ee79364748d09d69d15a645b142dba5b42baf2f3 Mon Sep 17 00:00:00 2001
From: ou-yangkan <519689417@qq.com>
Date: Thu, 16 Dec 2021 19:43:33 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BD=AC=E7=A7=BBcsky=E6=9E=B6=E6=9E=84?=
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Signed-off-by: ou-yangkan <519689417@qq.com>
---
 arch/csky/v2/gcc/los_exc.S | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/csky/v2/gcc/los_exc.S b/arch/csky/v2/gcc/los_exc.S
index 7a59c1f6..23f2a33f 100644
--- a/arch/csky/v2/gcc/los_exc.S
+++ b/arch/csky/v2/gcc/los_exc.S
@@ -53,3 +53,25 @@ HandleEntry:
     lrw    r2, HalExcHandleEntry
     jmp    r2
 
+.section .text
+.align  2
+.global IrqEntry
+IrqEntry:
+    psrset  ee
+    subi   sp, 72
+    stm    r0-r15, (sp)
+    mfcr   r0, epsr
+    stw    r0, (sp, 64)
+    mfcr   r0, epc
+    stw    r0, (sp, 68)
+
+    jbsr   HalInterrupt
+
+    ldw    r0, (sp, 68)
+    mtcr   r0, epc
+    ldw    r0, (sp, 64)
+    bseti  r0, r0, 6
+    mtcr   r0, epsr
+    ldm    r0-r15, (sp)
+    addi   sp, 72
+    rte