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#include <stdint.h>
#include <nuttx/irq.h>
#include "up_internal.h"
void os_start(void)
{
up_lowputc('X');
up_lowputc('\n');
for (;;);
}
void up_assert_code(const uint8_t *filename, int lineno, int errorcode)
{
up_lowputc('?');
up_lowputc('\n');
for (;;);
}
int irq_attach(int irq, xcpt_t isr)
{
up_lowputc('A');
up_lowputc('\n');
for (;;);
}
uint32_t *up_doirq(int irq, uint32_t *regs)
{
up_lowputc('I');
up_lowputc('\n');
for (;;);
}
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