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#

# Copyright (c) 2007 Michal Kebrt

# All rights reserved.

#

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

# modification, are permitted provided that the following conditions

# are met:

#

# - Redistributions of source code must retain the above copyright

#   notice, this list of conditions and the following disclaimer.

# - Redistributions in binary form must reproduce the above copyright

#   notice, this list of conditions and the following disclaimer in the

#   documentation and/or other materials provided with the distribution.

# - The name of the author may not be used to endorse or promote products

#   derived from this software without specific prior written permission.

#

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

# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

#include <arch/asm/boot.h>

.text

.global kernel_image_start

.global exc_stack

.global exc_stack

.global supervisor_sp

kernel_image_start:

	#switch to system mode

	mrs r3, cpsr

	orr r3, r3, #0x1f

	msr cpsr_c, r3	

	ldr sp, =end_stack

	cmp r2, #0

	beq bootinfo_end

	ldr r3, =bootinfo

	bootinfo_loop:

		ldr r4, [r1]

		str r4, [r3]

		add r1, r1, #4

		add r3, r3, #4

		add r2, r2, #-4

		cmp r2, #0

		bne bootinfo_loop

	bootinfo_end:

	bl arch_pre_main

	bl main_bsp

	b halt

	.space TEMP_STACK_SIZE

end_stack:

	.space 1024

exc_stack:

	.space 4

supervisor_sp:

	.space 4

	.space 4

halt:

	ldr r0,=0x10000010

	ldr r1, [r0]

	b halt