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#

# Copyright (c) 2005 Jakub Jermar

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

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# - Redistributions of source code must retain the above copyright

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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

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#

#include <arch/asm/regname.h>

#include <arch/boot/boot.h>

.section K_TEXT_START, "ax"

.global kernel_image_start

kernel_image_start:

	# load temporal kernel stack

	lis sp, kernel_stack@ha

	addi sp, sp, kernel_stack@l

	# set kernel stack for interrupt handling

	mr r31, sp

	subis r31, r31, 0x8000

	mtsprg0 r31

	# r3 contains physical address of bootinfo_t

	# r4 contains size of bootinfo_t

	cmpwi r4, 0

	beq bootinfo_end

	addis r3, r3, 0x8000

	lis r31, bootinfo@ha

	addi r31, r31, bootinfo@l  # r31 = bootinfo

	bootinfo_loop:

		lwz r30, 0(r3)

		stw r30, 0(r31)

		addi r3, r3, 4

		addi r31, r31, 4

		subi r4, r4, 4

		cmpwi r4, 0

		bgt bootinfo_loop

	bootinfo_end:

	bl arch_pre_main

	b main_bsp

.section K_DATA_START, "aw", @progbits

.align 12

kernel_stack_bottom:

	.space TEMP_STACK_SIZE

kernel_stack: