删掉这套机制

Core/Src/stm32h7xx_it.c

@@ -114,13 +114,7 @@ void NMI_Handler(void)
 void HardFault_Handler(void)
 {
   /* USER CODE BEGIN HardFault_IRQn 0 */
-  __asm volatile (
-	"TST lr, #4 \n"
-	"ITE EQ \n"
-	"MRSEQ r0, MSP \n"
-	"MRSNE r0, PSP \n"
-	"B hard_fault_handler_c \n"
-  );
+
   /* USER CODE END HardFault_IRQn 0 */
   while (1)
   {
@@ -135,13 +129,7 @@ void HardFault_Handler(void)
 void MemManage_Handler(void)
 {
   /* USER CODE BEGIN MemoryManagement_IRQn 0 */
-  __asm volatile (
-	"TST lr, #4 \n"
-	"ITE EQ \n"
-	"MRSEQ r0, MSP \n"
-	"MRSNE r0, PSP \n"
-	"B hard_fault_handler_c \n"
-  );
+
   /* USER CODE END MemoryManagement_IRQn 0 */
   while (1)
   {
@@ -171,13 +159,7 @@ void BusFault_Handler(void)
 void UsageFault_Handler(void)
 {
   /* USER CODE BEGIN UsageFault_IRQn 0 */
-  __asm volatile (
-	"TST lr, #4 \n"
-	"ITE EQ \n"
-	"MRSEQ r0, MSP \n"
-	"MRSNE r0, PSP \n"
-	"B hard_fault_handler_c \n"
-  );
+  
   /* USER CODE END UsageFault_IRQn 0 */
   while (1)
   {