10 lines
243 B
C
10 lines
243 B
C
|
|
#define SYS_WRITE0 0x04
|
|
|
|
void write0(const char *c) __attribute__((naked));
|
|
void write0(const char *c) {
|
|
__asm__("mov r1, %0" : : "r" (c));
|
|
__asm__("mov r0, %0" : : "I" (SYS_WRITE0));
|
|
__asm__("bkpt 0xab");
|
|
__asm__("bx lr");
|
|
}
|