/* Copyright 2000  AG Electronics Ltd. */
/* This code is distributed without warranty under the GPL v2 (see COPYING) */

#define ASM
#include "ppcreg.h"
#include <ppc_asm.tmpl>

.section ".rom.data", "a", @progbits
.section ".rom.text", "ax", @progbits

.globl _start
.type _start, @function
.globl __bss_end
.globl __start_address_check

	/*
	 * Locate at hreset vector
	 */
	.space	(0x100)

_start:
	b	system_reset

	/*
	 * Space for exception table
	 */
	.space	(0x3000)

system_reset:

%%EARLY_INIT%%

start_payload:
	/*
	 * Relocate payload (text & data) to ram
	 */
	lis     r3, _liseg@ha
	addi    r3, r3, _liseg@l
	lis     r4, _iseg@ha
	addi    r4, r4, _iseg@l

	/*
	 * Skip if they're the same
	 */
	cmp     0, 0, r3, r4
	beq     1f

	lis     r7, _eliseg@ha
	addi    r7, r7, _eliseg@l

2:
	lwzx	r5, 0, r3
	stwx	r5, 0, r4
	addi    r3, r3, 4
	addi    r4, r4, 4
	cmp     0, 0, r3, r7
	ble     2b

1:
	/*
	 * Start payload
	 */
	b  	_iseg

%%NORTHBRIDGE_INIT%%