From f362c3ceb4227d96532f24d7d20f215e2c488ec6 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 6 Feb 2010 12:35:51 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1570
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/ports/GCC/ARMCM3/chcore.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'os')

diff --git a/os/ports/GCC/ARMCM3/chcore.h b/os/ports/GCC/ARMCM3/chcore.h
index ffcb59b2a..c1b9591e0 100644
--- a/os/ports/GCC/ARMCM3/chcore.h
+++ b/os/ports/GCC/ARMCM3/chcore.h
@@ -167,17 +167,18 @@ struct context {
 
 /**
  * The default idle thread implementation requires no extra stack space in
- * this port.
+ * this port but it is set to 4 because the idle thread does have a stack
+ * frame when compiling without optimizations.
  */
 #ifndef IDLE_THREAD_STACK_SIZE
-#define IDLE_THREAD_STACK_SIZE 0
+#define IDLE_THREAD_STACK_SIZE      4
 #endif
 
 /**
  * This port requires no extra stack space for interrupt handling.
  */
 #ifndef INT_REQUIRED_STACK
-#define INT_REQUIRED_STACK 0
+#define INT_REQUIRED_STACK          0
 #endif
 
 /**
-- 
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