feat: pt3 of ex2 done

mpu_user_console_etu.c

@@ -22,16 +22,28 @@
 #include "uart.h"
 #include "macro.h"
 
+#define BUF_SIZE 100
+
 #define MMFAR *(unsigned *)0xE000ED34
 
 unsigned user_stack[USER_STACK_SIZE];		// space for user stack
 void *user_stating_address;
 int *p_sram2 = (int*) 0x2007c000, a, *p_out_of_mem = (int*) 0x80000;
 
+unsigned arr_addr[BUF_SIZE] = {0};
+unsigned arr_err_code[BUF_SIZE] = {0};
+volatile static unsigned idx_error;
+
 void switch_to_user_mode();
 void asm_test_fault();
 
 void MemManage_Handler() {
+	arr_addr[idx_error] = MMFAR;
+	arr_err_code[idx_error] = SCB->CFSR;
+	idx_error++;
+
+	SCB->CFSR = 0xFFFF;
+	LPC_GPIO2->FIOPIN = idx_error;
 }
 
 void test_supervisor_mode() {
@@ -56,6 +68,8 @@ void test_user_mode() {
 
 
 int main(void) {
+	LPC_GPIO2->FIODIR = 0xFF;
+	LPC_GPIO2->FIOPIN = 0;
 	// MPU configuration here...
 	// Region 0 (Flash)
 	MPU->RNR = 0;