.macro li32 reg,imm
	lis	\reg,\imm@h
	ori	\reg,\reg,\imm@l
.endm


.file   "crt0.s"
.text
.globl  _start

_start:
	# initialises stackpointer:
	li32	%sp,_sp

	# clear .bss-section
	li32	%r3,_bss_start
	li32	%r4,_bss_end
	sub	%r4,%r4,%r3
	beq	gomain
	mtctr	%r4
	subi	%r3,%r3,4
	li	%r0,0
bss_clear:
	stwu	%r0,4(%r3)
	bdnz	bss_clear

gomain:
	bl	main

_end:
	b	_end
	
	
.globl  __eabi

__eabi:
	blr