c9cbdf3393
to make the asm a bit more readable.
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: Locore.c,v 1.7 2000/08/20 07:04:59 tsubai Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stand.h>
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#include "libofw.h"
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void startup(void *, int, int (*)(void *), char *, int);
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#ifdef XCOFF_GLUE
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asm(" \n\
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.text \n\
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.globl _entry \n\
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_entry: \n\
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.long _start,0,0 \n\
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");
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#endif
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__asm(" \n\
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.data \n\
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stack: \n\
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.space 16388 \n\
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\n\
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.text \n\
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.globl _start \n\
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_start: \n\
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li %r8,0 \n\
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li %r9,0x100 \n\
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mtctr %r9 \n\
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1: \n\
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dcbf %r0,%r8 \n\
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icbi %r0,%r8 \n\
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addi %r8,%r8,0x20 \n\
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bdnz 1b \n\
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sync \n\
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isync \n\
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\n\
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lis %r1,stack@ha \n\
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addi %r1,%r1,stack@l \n\
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addi %r1,%r1,8192 \n\
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\n\
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mfmsr %r8 \n\
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li %r0,0 \n\
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mtmsr %r0 \n\
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isync \n\
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\n\
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mtibatu 0,%r0 \n\
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mtibatu 1,%r0 \n\
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mtibatu 2,%r0 \n\
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mtibatu 3,%r0 \n\
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mtdbatu 0,%r0 \n\
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mtdbatu 1,%r0 \n\
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mtdbatu 2,%r0 \n\
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mtdbatu 3,%r0 \n\
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\n\
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li %r9,0x12 /* BATL(0, BAT_M, BAT_PP_RW) */ \n\
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mtibatl 0,%r9 \n\
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mtdbatl 0,%r9 \n\
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li %r9,0x1ffe /* BATU(0, BAT_BL_256M, BAT_Vs) */ \n\
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mtibatu 0,%r9 \n\
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mtdbatu 0,%r9 \n\
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isync \n\
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\n\
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mtmsr %r8 \n\
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isync \n\
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\n\
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b startup \n\
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");
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void
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startup(void *vpd, int res, int (*openfirm)(void *), char *arg, int argl)
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{
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main(openfirm);
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}
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