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#

# Copyright (c) 2006 Martin Decky

# Copyright (c) 2006 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:

#

# - 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

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (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 <stack.h>

.section BOOTSTRAP, "ax"

.global start

start:

	mov ar.rsc = r0

#	movl r8 = (VRN_KERNEL << VRN_SHIFT) ;;

	movl r1 = 0x4400000

	movl r8 = initial_stack ;;

	mov ar.bspstore = r8

	loadrs

	# initialize memory stack to some sane value

	movl r12 = initial_stack_top ;;

	add r12 = -16, r12	/* allocate a scratch area on the stack */

	# initialize gp (Global Pointer) register

	#movl r1 = _hardcoded_load_address

	ssm (1 << 19) ;; /* Disable f32 - f127 */

	srlz.i

	srlz.d ;;

	movl r18 = bootstrap ;;

	mov b1 = r18 ;;

	br.call.sptk.many b0 = b1

.bss

.align 8192

initial_stack:

	.space 8192

initial_stack_top: