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// See LICENSE for license details.
#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <unistd.h>
#include "encoding.h"
#include "shared.h"
int main(void);
#ifdef USE_PLIC
extern void handle_m_ext_interrupt();
#endif
#ifdef USE_M_TIME
extern void handle_m_time_interrupt();
#endif
void _init(void)
{
exit(main());
}
uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
{
if (0){
#ifdef USE_PLIC
// External Machine-Level Interrupt from PLIC
}else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) {
handle_m_ext_interrupt();
#endif
#ifdef USE_M_TIME
// External Machine-Level Interrupt from PLIC
}else if ((mcause & MCAUSE_INT) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)) {
handle_m_time_interrupt();
#endif
}
else{
write(1, "trap\n", 5);
_exit(1 + mcause);
}
return epc;
}
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