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