From 2ecdf4f729b6f21eb97f14ca56b109f8cdb21557 Mon Sep 17 00:00:00 2001
From: Reto Buerki <reet@codelabs.ch>
Date: Fri, 27 Feb 2015 16:51:33 +0100
Subject: [PATCH] hw_x86_64: Forward interrupts to _interrupt function

Extend the Thread::exception function to forward external interrupts to
the _interrupt function for processing.
---
 repos/base-hw/src/core/spec/x86/kernel/thread.cc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/repos/base-hw/src/core/spec/x86/kernel/thread.cc b/repos/base-hw/src/core/spec/x86/kernel/thread.cc
index e810a5ecf..02bd6e216 100644
--- a/repos/base-hw/src/core/spec/x86/kernel/thread.cc
+++ b/repos/base-hw/src/core/spec/x86/kernel/thread.cc
@@ -16,8 +16,10 @@
 #include <kernel/thread.h>
 
 enum Cpu_exception {
-	PAGE_FAULT      = 0x0e,
-	SUPERVISOR_CALL = 0x80,
+	PAGE_FAULT       = 0x0e,
+	SUPERVISOR_CALL  = 0x80,
+	INTERRUPTS_START = 0x20,
+	INTERRUPTS_END   = 0xff,
 };
 
 using namespace Kernel;
@@ -38,6 +40,9 @@ void Thread::exception(unsigned const cpu)
 	if (trapno == SUPERVISOR_CALL) {
 		_call();
 		return;
+	} else if (trapno >= INTERRUPTS_START && trapno <= INTERRUPTS_END) {
+		_interrupt(cpu);
+		return;
 	} else {
 		PWRN("unknown exception 0x%lx", trapno);
 		_stop();