4173c22644
needs Proghorn testing
57 lines
1.8 KiB
ArmAsm
57 lines
1.8 KiB
ArmAsm
/*-
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* Copyright (c) 2008 John Hay. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <machine/asm.h>
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ASENTRY_NP(start)
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/* Initialise bss and sp */
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nop
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adr r1, .Lstart
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ldmia r1, {r1, r2, sp} /* Set initial stack and */
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sub r2, r2, r1 /* get zero init data */
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mov r3, #0
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.L1:
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str r3, [r1], #0x0004 /* get zero init data */
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subs r2, r2, #4
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bgt .L1
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.extern main
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bl main
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/* main should not return. If it does, spin forever */
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infiniteLoop:
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b infiniteLoop
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.Lstart:
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.word _edata
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.word _end
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.word BOOT_STACK
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ENTRY(cpu_id)
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mrc p15, 0, r0, c0, c0, 0
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RET
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/* End */
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