tinyriscv/tests/example/init.c

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#include <stdint.h>
#include "include/utils.h"
extern void trap_entry();
extern void timer0_irq_handler() __attribute__((weak));
void trap_handler(uint32_t mcause)
{
// we have only timer0 interrupt here
timer0_irq_handler();
}
void _init()
{
write_csr(mtvec, &trap_entry);
}