From eb79a8a244d3d90665df0a5f3289f90bd1f9aeb1 Mon Sep 17 00:00:00 2001
From: fenghuijie <fenghuijie1990@163.com>
Date: Mon, 5 Jul 2021 14:06:32 +0800
Subject: 修改irq handle接口rt_hw_trap_irq，支持核间IPI中断处理
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---
 libcpu/arm/cortex-a/trap.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'libcpu')

diff --git a/libcpu/arm/cortex-a/trap.c b/libcpu/arm/cortex-a/trap.c
index 3faa136677..f61b89871d 100644
--- a/libcpu/arm/cortex-a/trap.c
+++ b/libcpu/arm/cortex-a/trap.c
@@ -155,12 +155,14 @@ void rt_hw_trap_resv(struct rt_hw_exp_stack *regs)
 void rt_hw_trap_irq(void)
 {
     void *param;
+    int int_ack;
     int ir;
     rt_isr_handler_t isr_func;
     extern struct rt_irq_desc isr_table[];
 
-    ir = rt_hw_interrupt_get_irq();
+    int_ack = rt_hw_interrupt_get_irq();
 
+    ir = int_ack & GIC_ACK_INTID_MASK;
     if (ir == 1023)
     {
         /* Spurious interrupt */
@@ -181,7 +183,7 @@ void rt_hw_trap_irq(void)
     }
 
     /* end of interrupt */
-    rt_hw_interrupt_ack(ir);
+    rt_hw_interrupt_ack(int_ack);
 }
 
 void rt_hw_trap_fiq(void)
-- 
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