修改irq handle接口rt_hw_trap_irq，支持核间IPI中断处理

fenghuijie · fenghuijie · commit eb79a8a244d3 · 2021-07-05T14:06:32.000+08:00
diff --git 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)

Original file line number	Diff line number	Diff line change
`@@ -155,12 +155,14 @@ void rt_hw_trap_resv(struct rt_hw_exp_stack *regs)`
`155`	`155`	`void rt_hw_trap_irq(void)`
`156`	`156`	`{`
`157`	`157`	`void *param;`
	`158`	`+ int int_ack;`
`158`	`159`	`int ir;`
`159`	`160`	`rt_isr_handler_t isr_func;`
`160`	`161`	`extern struct rt_irq_desc isr_table[];`
`161`	`162`
`162`		`- ir = rt_hw_interrupt_get_irq();`
	`163`	`+ int_ack = rt_hw_interrupt_get_irq();`
`163`	`164`
	`165`	`+ ir = int_ack & GIC_ACK_INTID_MASK;`
`164`	`166`	`if (ir == 1023)`
`165`	`167`	`{`
`166`	`168`	`/* Spurious interrupt */`
`@@ -181,7 +183,7 @@ void rt_hw_trap_irq(void)`
`181`	`183`	`}`
`182`	`184`
`183`	`185`	`/* end of interrupt */`
`184`		`- rt_hw_interrupt_ack(ir);`
	`186`	`+ rt_hw_interrupt_ack(int_ack);`
`185`	`187`	`}`
`186`	`188`
`187`	`189`	`void rt_hw_trap_fiq(void)`