1: /* 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: void cacheflush(void * address, int size, int linewidth)
23: {
24: int i;
25:
26: address=(void *)((int)address & (-linewidth));
27:
28: 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: }
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