gforth: gforth/Attic/cache.c

1 :	anton	1.3	/* cache flushing for the HP-PA architecture
2 :
3 :			Copyright (C) 1995 Free Software Foundation, Inc.
4 :
5 :			This file is part of Gforth.
6 :
7 :			Gforth is free software; you can redistribute it and/or
8 :			modify it under the terms of the GNU General Public License
9 :			as published by the Free Software Foundation; either version 2
10 :			of the License, or (at your option) any later version.
11 :
12 :			This program is distributed in the hope that it will be useful,
13 :			but WITHOUT ANY WARRANTY; without even the implied warranty of
14 :			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 :			GNU General Public License for more details.
16 :
17 :			You should have received a copy of the GNU General Public License
18 :			along with this program; if not, write to the Free Software
19 :			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 :			*/
21 :
22 :	pazsan	1.2	void cacheflush(void * address, int size, int linewidth)
23 :	pazsan	1.1	{
24 :	pazsan	1.2	int i;
25 :	pazsan	1.1
26 :	pazsan	1.2	address=(void *)((int)address & (-linewidth));
27 :	pazsan	1.1
28 :	pazsan	1.2	for(i=1-linewidth; i<size; i+=linewidth)
29 :			asm volatile("fdc (%0)\n\t"
30 :			"sync\n\t"
31 :			"fic,m %1(%0)\n\t"
32 :			"sync" : : "r" (address), "r" (linewidth) : "memory" );
33 :	pazsan	1.1	}