53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/lynxos/lynx_ppc.c,v 1.1 2002/12/14 04:41:14 dawes Exp $ */
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/*
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* Copyright 1998 by Metro Link Incorporated
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of Metro Link
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* Incorporated not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. Metro Link Incorporated makes no representations
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* about the suitability of this software for any purpose. It is
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* provided "as is" without express or implied warranty.
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*
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* METRO LINK INCORPORATED DISCLAIMS ALL WARRANTIES WITH REGARD
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* TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL METRO LINK INCORPORATED BE
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* LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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void ppc_flush_icache()
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{
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__asm__ __volatile__ (" \
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mflr 0 ;\
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stw 31,-4(1) ;\
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stw 0,8(1) ;\
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stwu 1,-64(1) ;\
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mr 31,1 ;\
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stw 3,88(31) ;\
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li 6, 0 ;\
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dcbf 3, 6 ;\
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li 5, 32 ;\
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dcbf 3, 5 ;\
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sync ;\
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li 4,0 ;\
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icbi 3,4 ;\
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li 7,32 ;\
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icbi 3,7 ;\
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sync ;\
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isync ;\
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lwz 1,0(1) ;\
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lwz 0,8(1) ;\
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mtlr 0 ;\
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lwz 31,-4(1) ;\
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blr ;\
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");
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}
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