.global _start

_start:
    ldr sp, =0x40000000
    b main

main:
    ldr r0, =0x40000000
    ldr r1, =0x00000001
    str r1, [r0]
    ldr r0, =0x40000000
    ldr r1, =0x00000000
    str r1, [r0]
    b main