.globl _start
_start:
    b skip

.space 0x200000-0x8004,0

skip:
    mov sp,#0x08000000
    bl notmain
hang: b hang

.globl PUT32
PUT32:
    str r1,[r0]
    bx lr

.globl PUT16
PUT16:
    strh r1,[r0]
    bx lr

.globl PUT8
PUT8:
    strb r1,[r0]
    bx lr

.globl GET32
GET32:
    ldr r0,[r0]
    bx lr

.globl GETPC
GETPC:
    mov r0,lr
    bx lr

.globl BRANCHTO
BRANCHTO:
    bx r0

.globl dummy
dummy:
    bx lr