rt_hw_cpu_reset_hook M4

include/rthw.h

@@ -90,8 +90,9 @@ void rt_hw_cpu_dcache_ops(int ops, void* addr, int size);
 #endif
 
 void rt_hw_cpu_reset(void);
+void rt_hw_cpu_reset_hook(void);
 void rt_hw_cpu_shutdown(void);
-
+void rt_hw_cpu_shutdown_hook(void);
 const char *rt_hw_cpu_arch(void);
 
 rt_uint8_t *rt_hw_stack_init(void       *entry,

libcpu/arm/cortex-m4/cpuport.c

@@ -433,6 +433,8 @@ void rt_hw_hard_fault_exception(struct exception_info *exception_info)
  */
 void rt_hw_cpu_reset(void)
 {
+    rt_kprintf("Reset ...\n");
+    rt_hw_cpu_reset_hook();
     SCB_AIRCR = SCB_RESET_VALUE;
 }
 

src/kservice.c

@@ -69,18 +69,30 @@ rt_weak void rt_hw_us_delay(rt_uint32_t us)
         "Please consider implementing rt_hw_us_delay() in another file.");
 }
 
+rt_weak void rt_hw_cpu_reset_hook(void)
+{
+    ;
+}
+
 rt_weak void rt_hw_cpu_reset(void)
 {
     LOG_W("rt_hw_cpu_reset() doesn't support for this board."
         "Please consider implementing rt_hw_cpu_reset() in another file.");
+    rt_hw_cpu_reset_hook();
     return;
 }
 
+rt_weak void rt_hw_cpu_shutdown_hook(void)
+{
+    ;
+}
+
 rt_weak void rt_hw_cpu_shutdown(void)
 {
     LOG_I("CPU shutdown...");
     LOG_W("Using default rt_hw_cpu_shutdown()."
         "Please consider implementing rt_hw_cpu_shutdown() in another file.");
+    rt_hw_cpu_shutdown_hook();
     rt_hw_interrupt_disable();
     RT_ASSERT(0);
     return;