| --- a/devmem2.c |
| +++ b/devmem2.c |
| @@ -57,7 +57,7 @@ |
| |
| int main(int argc, char **argv) { |
| int fd; |
| - void *map_base, *virt_addr; |
| + volatile void *map_base, *virt_addr; |
| unsigned long read_result, writeval; |
| off_t target; |
| int access_type = 'w'; |
| @@ -101,7 +101,7 @@ int main(int argc, char **argv) { |
| fprintf(stderr, "Illegal data type '%c'.\n", access_type); |
| exit(2); |
| } |
| - printf("Value at address 0x%X (%p): 0x%X\n", target, virt_addr, read_result); |
| + printf("Value at address 0x%llX (%p): 0x%X\n", target, virt_addr, read_result); |
| fflush(stdout); |
| |
| if(argc > 3) { |
