diff options
Diffstat (limited to 'os/common/ports/ARMCMx/chcore_v7m.h')
| -rw-r--r-- | os/common/ports/ARMCMx/chcore_v7m.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/os/common/ports/ARMCMx/chcore_v7m.h b/os/common/ports/ARMCMx/chcore_v7m.h index 408070b7e..901925c49 100644 --- a/os/common/ports/ARMCMx/chcore_v7m.h +++ b/os/common/ports/ARMCMx/chcore_v7m.h @@ -82,6 +82,13 @@ #endif
/**
+ * @brief MPU region to be used to stack guards.
+ */
+#if !defined(PORT_USE_MPU_REGION) || defined(__DOXYGEN__)
+#define PORT_USE_MPU_REGION MPU_REGION_7
+#endif
+
+/**
* @brief Stack size for the system idle thread.
* @details This size depends on the idle thread implementation, usually
* the idle thread should take no more space than those reserved
@@ -478,12 +485,8 @@ struct port_intctx { _port_switch(ntp, otp); \
\
/* Setting up the guard page for the switched-in thread.*/ \
- mpuConfigureRegion(MPU_REGION_0, \
- chThdGetSelfX()->wabase, \
- MPU_RASR_ATTR_AP_NA_NA | \
- MPU_RASR_ATTR_NON_CACHEABLE | \
- MPU_RASR_SIZE_32 | \
- MPU_RASR_ENABLE); \
+ mpuSetRegionAddress(PORT_USE_MPU_REGION, \
+ chThdGetSelfX()->wabase); \
}
#endif
#endif
@@ -535,7 +538,7 @@ static inline void port_init(void) { /* Setting up the guard page on the main() function stack base
initially.*/
- mpuConfigureRegion(MPU_REGION_0,
+ mpuConfigureRegion(PORT_USE_MPU_REGION,
&__main_thread_stack_base__,
MPU_RASR_ATTR_AP_NA_NA |
MPU_RASR_ATTR_NON_CACHEABLE |
|