LXR qemu/tests/tcg/xtensa/crt.S

   1.section .init
   2    j       1f
   3.section .init.text
   41:
   5    movi    a2, _start
   6    jx      a2
   7
   8.text
   9.global _start
  10_start:
  11    movi    a2, 1
  12    wsr     a2, windowstart
  13    movi    a2, 0
  14    wsr     a2, windowbase
  15    movi    a1, _fstack
  16    movi    a2, 0x4000f
  17    wsr     a2, ps
  18    isync
  19
  20    call0   main
  21
  22    mov     a3, a2
  23    movi    a2, 1
  24    simcall
  25