X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Friscv%2Flib%2Finterrupts.c;h=3aff00697732fe5a1950d53d9a9c42f3be4ae722;hb=10d3e90f46feace58f4141b696d91644e594e3ed;hp=903a1c4cd55766f7383b6c3eb93fff67c72ef652;hpb=c93a1c8185e64b9571df9f7fe2c33f26cd3c41d7;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c
index 903a1c4..3aff006 100644
--- a/arch/riscv/lib/interrupts.c
+++ b/arch/riscv/lib/interrupts.c
@@ -34,17 +34,30 @@ int disable_interrupts(void)
 	return 0;
 }
 
-ulong handle_trap(ulong mcause, ulong epc, struct pt_regs *regs)
+ulong handle_trap(ulong cause, ulong epc, struct pt_regs *regs)
 {
-	ulong is_int;
+	ulong is_irq, irq;
 
-	is_int = (mcause & MCAUSE_INT);
-	if ((is_int) && ((mcause & MCAUSE_CAUSE)  == IRQ_M_EXT))
-		external_interrupt(0);	/* handle_m_ext_interrupt */
-	else if ((is_int) && ((mcause & MCAUSE_CAUSE)  == IRQ_M_TIMER))
-		timer_interrupt(0);	/* handle_m_timer_interrupt */
-	else
-		_exit_trap(mcause, epc, regs);
+	is_irq = (cause & MCAUSE_INT);
+	irq = (cause & ~MCAUSE_INT);
+
+	if (is_irq) {
+		switch (irq) {
+		case IRQ_M_EXT:
+		case IRQ_S_EXT:
+			external_interrupt(0);	/* handle external interrupt */
+			break;
+		case IRQ_M_TIMER:
+		case IRQ_S_TIMER:
+			timer_interrupt(0);	/* handle timer interrupt */
+			break;
+		default:
+			_exit_trap(cause, epc, regs);
+			break;
+		};
+	} else {
+		_exit_trap(cause, epc, regs);
+	}
 
 	return epc;
 }