| 1234567891011121314151617181920212223 | /* * Die while blinking LEDs */#include "fw.h"#include "io.h"void _die(void){    unsigned int led = 2;    while (1) {	set_led(led);	led ^= 7;	udelay(250000);    }}/* We never exit, so don't bother carrying a bunch of crap with it */#pragma GCC diagnostic ignored "-Wattribute-alias"void _exit(int) __attribute__((alias("_die")));void exit(int) __attribute__((alias("_die")));void _irq(void) __attribute__((weak,alias("_die")));
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