From d9ac33d0c3eaab39dbf5f4d7290e1b4b54e81f0e Mon Sep 17 00:00:00 2001
From: Russ Butler <russ.butler@arm.com>
Date: Tue, 9 Aug 2016 14:32:08 -0500
Subject: [PATCH] Increase interrupt stack size for K64F

The config store tests use more than 2K of the interrupt stack, causing
an overflow.  This patch bumps the K64F interrupt stack size to 4K
for ARMCC and GCC. The IAR interrupt stack is left untouched since
it is 32K.
---
 rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h b/rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
index 241d3153e8..767f9edb11 100644
--- a/rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
+++ b/rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
@@ -426,6 +426,9 @@ extern uint32_t __StackTop[];
 #else
 #define INITIAL_SP            (0x20030000UL)
 #endif
+#if defined(__CC_ARM) || defined(__GNUC__)
+#define ISR_STACK_SIZE        (0x1000)
+#endif
 
 #elif defined(TARGET_K22F)
 #define INITIAL_SP            (0x20010000UL)