From b5d4b03d90f0f6331c96464f5b7050ab432fb809 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 23 Jul 2010 15:14:06 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2084 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/ports/GCC/ARMCMx/chcore_v6m.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'os/ports') diff --git a/os/ports/GCC/ARMCMx/chcore_v6m.h b/os/ports/GCC/ARMCMx/chcore_v6m.h index 0b0a41858..1a086b2bf 100644 --- a/os/ports/GCC/ARMCMx/chcore_v6m.h +++ b/os/ports/GCC/ARMCMx/chcore_v6m.h @@ -102,8 +102,9 @@ struct intctx { * @details This size depends on the idle thread implementation, usually * 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. + * @note In this port it is set to 8 because the idle thread does have + * 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 8 @@ -116,8 +117,9 @@ 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 some extra stack space for interrupt handling - * representing the frame of the function @p chSchDoRescheduleI(). + * @note In this port it is conservatively set to 16 because the function + * @p chSchDoRescheduleI() can have a stack frame, expecially with + * compiler optimizations disabled. */ #ifndef INT_REQUIRED_STACK #define INT_REQUIRED_STACK 16 -- cgit v1.2.3