.section .text.startup,"ax",@progbits
  .global _start
  .type   _start, @function

_start:
.option push
.option norelax
  la      gp, __global_pointer$
.option pop

  /* One static TLS block is enough for this single-hart lab. */
  la      tp, __tls_start

  la      a0, __tbss_start
  la      a1, __tbss_end
clear_tbss:
  bgeu    a0, a1, finish_tbss
  sb      zero, 0(a0)
  addi    a0, a0, 1
  j       clear_tbss
finish_tbss:

  la      a0, __bss_start
  la      a1, __bss_end
clear_bss:
  bgeu    a0, a1, finish_bss
  sb      zero, 0(a0)
  addi    a0, a0, 1
  j       clear_bss
finish_bss:

  call    main
  tail    _exit

  .size  _start, .-_start