trap.h

#ifndef _TRAP_H_
#define _TRAP_H_

typedef enum {
    OK = -1,
    INSTRUCTION_ADDRESS_MISALIGNED = 0,
    INSTRUCTION_ACCESS_FAULT = 1,
    ILLEGAL_INSTRUCTION = 2,
    BREAKPOINT = 3,
    LOAD_ADDRESS_MISALIGNED = 4,
    LOAD_ACCESS_FAULT = 5,
    STORE_AMO_ADDRESS_MISALIGNED = 6,
    STORE_AMO_ACCESS_FAULT = 7,
    ECALL_FROM_U_MODE = 8,
    ECALL_FROM_S_MODE = 9,
    INSTRUCTION_PAGE_FAULT = 12,
    LOAD_PAGE_FAULT = 13,
    STORE_PAGE_FAULT = 15,
} exception_t;

typedef enum {
    NONE = -1,
    USER_SOFTWARE_INTERRUPT = 0,
    SUPERVISOR_SOFTWARE_INTERRUPT = 1,
    MACHINE_SOFTWARE_INTERRUPT = 3,
    USER_TIMER_INTERRUPT = 4,
    SUPERVISOR_TIMER_INTERRUPT = 5,
    MACHINE_TIMER_INTERRUPT = 7,
    USER_EXTERNAL_INTERRUPT = 8,
    SUPERVISOR_EXTERNAL_INTERRUPT = 9,
    MACHINE_EXTERNAL_INTERRUPT = 11,
} interrupt_t;

#endif