From 71d36e61184b2ce24ce6ec699c16a2d770612f62 Mon Sep 17 00:00:00 2001
From: Travis Geiselbrecht <geist@foobox.com>
Date: Fri, 19 Jul 2013 19:20:16 -0700
Subject: [arch][arm-m] properly bump the critical section count before fatal
 exceptions

---
 arch/arm/arm-m/exceptions.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/arm-m/exceptions.c b/arch/arm/arm-m/exceptions.c
index b8a8d44b..b8c19644 100644
--- a/arch/arm/arm-m/exceptions.c
+++ b/arch/arm/arm-m/exceptions.c
@@ -23,6 +23,7 @@
 #include <debug.h>
 #include <compiler.h>
 #include <stdint.h>
+#include <kernel/thread.h>
 #include <arch/arm/cm.h>
 
 static void dump_frame(const struct arm_cm_exception_frame *frame)
@@ -40,6 +41,7 @@ static void dump_frame(const struct arm_cm_exception_frame *frame)
 
 static void hardfault(struct arm_cm_exception_frame *frame)
 {
+	inc_critical_section();
 	printf("hardfault: ");
 	dump_frame(frame);
 
@@ -50,6 +52,7 @@ static void hardfault(struct arm_cm_exception_frame *frame)
 
 static void usagefault(struct arm_cm_exception_frame *frame)
 {
+	inc_critical_section();
 	printf("usagefault: ");
 	dump_frame(frame);
 
@@ -58,6 +61,7 @@ static void usagefault(struct arm_cm_exception_frame *frame)
 
 static void busfault(struct arm_cm_exception_frame *frame)
 {
+	inc_critical_section();
 	printf("busfault: ");
 	dump_frame(frame);
 
@@ -68,6 +72,7 @@ static void busfault(struct arm_cm_exception_frame *frame)
 
 void _nmi(void)
 {
+	inc_critical_section();
 	printf("nmi\n");
 	halt();
 }
@@ -85,6 +90,7 @@ __NAKED void _hardfault(void)
 
 void _memmanage(void)
 {
+	inc_critical_section();
 	printf("memmanage\n");
 	halt();
 }
@@ -114,6 +120,7 @@ void _usagefault(void)
 /* systick handler */
 void __WEAK _systick(void)
 {
+	inc_critical_section();
 	printf("systick\n");
 	halt();
 }
-- 
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