git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2032 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 5 insertions, 3 deletions

diff --git a/os/ports/GCC/ARMCMx/chcore_v7m.h b/os/ports/GCC/ARMCMx/chcore_v7m.h
index 4f1e88a48..0c8abcd41 100644
--- a/os/ports/GCC/ARMCMx/chcore_v7m.h
+++ b/os/ports/GCC/ARMCMx/chcore_v7m.h
@@ -92,7 +92,8 @@ struct intctx {
  *          the idle thread should take no more space than those reserved

  *          by @p INT_REQUIRED_STACK.

  * @note    In this port it is set to 4 because the idle thread does have

- *          a stack frame when compiling without optimizations.

+ *          a stack frame when compiling without optimizations. You may

+ *          reduce this value to zero when compiling with optimizations.

  */

 #ifndef IDLE_THREAD_STACK_SIZE

 #define IDLE_THREAD_STACK_SIZE      4

@@ -105,10 +106,11 @@ struct intctx {
  *          This value can be zero on those architecture where there is a

  *          separate interrupt stack and the stack space between @p intctx and

  *          @p extctx is known to be zero.

- * @note    This port requires no extra stack space for interrupt handling.

+ * @note    In this port it is set to 8 because the function

+ *          @p chSchDoRescheduleI() has a stack frame.

  */

 #ifndef INT_REQUIRED_STACK

-#define INT_REQUIRED_STACK          0

+#define INT_REQUIRED_STACK          8

 #endif

 

 /**