.section .init
    .globl _start
    .type _start,@function
_start:
    li t0, 0x8
    csrc mstatus, t0
    li t0, 0x70
    csrc mie, t0
    li t0, 0x800
    csrc mie, t0
    li t0, 0
    csrc mcause, t0

    auipc sp, 0x18
    lui a0, 0xfffff
    and sp, sp, a0

    auipc a0, 0
    call main

_end:
    j _end