#include "pcr.h"

  .data
  .globl _heapend
  .globl environ
_heapend:
  .word 0
environ:
  .word 0

  .text
  .globl _start

_start:
  li  x1, 0
  li  x2, 0
  li  x3, 0
  li  x4, 0
  li  x5, 0
  li  x6, 0
  li  x7, 0
  li  x8, 0
  li  x9, 0
  li  x10,0
  li  x11,0
  li  x12,0
  li  x13,0
  li  x14,0
  li  x15,0
  li  x16,0
  li  x17,0
  li  x18,0
  li  x19,0
  li  x20,0
  li  x21,0
  li  x22,0
  li  x23,0
  li  x24,0
  li  x25,0
  li  x26,0
  li  x27,0
  li  x28,0
  li  x29,0
  li  x30,0
  li  x31,0

  # enable fp
  setpcr status, SR_EF

  # enable vec
  setpcr t0, status, SR_EV

  ## if that didn't stick, we don't have an FPU, so don't initialize it
  and t0, t0, SR_EF
  beqz t0, 1f

  fssr    x0
  fmv.s.x f0, x0
  fmv.s.x f1, x0
  fmv.s.x f2, x0
  fmv.s.x f3, x0
  fmv.s.x f4, x0
  fmv.s.x f5, x0
  fmv.s.x f6, x0
  fmv.s.x f7, x0
  fmv.s.x f8, x0
  fmv.s.x f9, x0
  fmv.s.x f10,x0
  fmv.s.x f11,x0
  fmv.s.x f12,x0
  fmv.s.x f13,x0
  fmv.s.x f14,x0
  fmv.s.x f15,x0
  fmv.s.x f16,x0
  fmv.s.x f17,x0
  fmv.s.x f18,x0
  fmv.s.x f19,x0
  fmv.s.x f20,x0
  fmv.s.x f21,x0
  fmv.s.x f22,x0
  fmv.s.x f23,x0
  fmv.s.x f24,x0
  fmv.s.x f25,x0
  fmv.s.x f26,x0
  fmv.s.x f27,x0
  fmv.s.x f28,x0
  fmv.s.x f29,x0
  fmv.s.x f30,x0
  fmv.s.x f31,x0
1:

  # only allow core 0 to proceed
1:mfpcr a0, hartid
  bnez a0, 1b

  la  sp,stacktop
  jal main
1:b 1b

  .bss
  .globl stacktop

  .align 4
  .skip 131072
stacktop: