printf("Addr %08x\n",*((unsigned int *)164));*((unsigned int *)164) = 12;asm volatile ("dmb");printf("Addr2 %08x\n",*((unsigned int *)164));printf("Addr3 %08x\n",*((unsigned int *)164));
Addr 0008080dAddr2 0000000cAddr3 0000000c
Addr 0008080dAddr2 0000000cAddr3 0008080d
Addr 0008080d Addr2 0008080d Addr3 0008080d
int* pAddr = (int*)0x8000;
*pAddr = 0x12345678;
printf("%d", *pAddr);
volatile unsigned int*