diff options
Diffstat (limited to 'ports/ARM7')
| -rw-r--r-- | ports/ARM7/chcore.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ports/ARM7/chcore.h b/ports/ARM7/chcore.h index e2c6481b5..5cc6fc276 100644 --- a/ports/ARM7/chcore.h +++ b/ports/ARM7/chcore.h @@ -277,9 +277,34 @@ struct context { * @param ntp the thread to be switched in
*/
#ifdef THUMB
+#if CH_DBG_ENABLE_STACK_CHECK
+#define port_switch(otp, ntp) { \
+ register Thread *_otp asm ("r0") = (otp); \
+ register Thread *_ntp asm ("r1") = (ntp); \
+ register char *sp asm ("sp"); \
+ if (sp - sizeof(struct intctx) - sizeof(Thread) < (char *)_otp) \
+ asm volatile ("mov r0, #0 \n\t" \
+ "ldr r1, =chDbgPanic \n\t" \
+ "bx r1"); \
+ _port_switch_thumb(_otp, _ntp); \
+}
+#else /* !CH_DBG_ENABLE_STACK_CHECK */
#define port_switch(otp, ntp) _port_switch_thumb(otp, ntp)
+#endif /* !CH_DBG_ENABLE_STACK_CHECK */
#else /* !THUMB */
+#if CH_DBG_ENABLE_STACK_CHECK
+#define port_switch(otp, ntp) { \
+ register Thread *_otp asm ("r0") = (otp); \
+ register Thread *_ntp asm ("r1") = (ntp); \
+ register char *sp asm ("sp"); \
+ if (sp - sizeof(struct intctx) - sizeof(Thread) < (char *)_otp) \
+ asm volatile ("mov r0, #0 \n\t" \
+ "b chDbgPanic"); \
+ _port_switch_arm(_otp, _ntp); \
+}
+#else /* !CH_DBG_ENABLE_STACK_CHECK */
#define port_switch(otp, ntp) _port_switch_arm(otp, ntp)
+#endif /* !CH_DBG_ENABLE_STACK_CHECK */
#endif /* !THUMB */
#ifdef __cplusplus
|