// See LICENSE for license details.
#include "encoding.h"
    .section .init
    .globl _start_2
    .type _start_2,@function

_start_2:
    li t0, MSTATUS_MIE
    csrc mstatus, t0
    li t0, MIP_MTIP
    csrc mie, t0
    li t0, MIP_MEIP
    csrc mie, t0
    li t0, 0
    csrc mcause, t0

    la gp, _gp
    la sp, _sp

    /* bbcpu runs in RAM, so no data needs to copy. */
#if 0
    /* Load data section */
    la a0, _data_lma
    la a1, _data
    la a2, _edata
    bgeu a1, a2, 2f
1:
    lw t0, (a0)
    sw t0, (a1)
    addi a0, a0, 4
    addi a1, a1, 4
    bltu a1, a2, 1b
2:
#endif
    /* Clear bss section */
    la a0, __bss_start
    la a1, _end
    bgeu a0, a1, 2f
1:
    sw zero, (a0)
    addi a0, a0, 4
    bltu a0, a1, 1b
2:

    /* init function*/
    call _init_2

#ifndef __riscv_float_abi_soft
    /* Enable FPU */
    li t0, MSTATUS_FS
    csrs mstatus, t0
    csrr t1, mstatus
    and t1, t1, t0
    beqz t1, 1f
    fssr x0
1:
#endif

    /* argc = argv = 0 */
    li a0, 0
    li a1, 0
    call main
#    tail exit
1:  j 1b