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portability changes
bugfixes in prims2x.fs, kernel/int.fs

    1: /* cache flushing for the HP-PA architecture
    2: 
    3:   Copyright (C) 1995,1996,1997,1998 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: */
   21: 
   22: #include <stddef.h>
   23: 
   24: void cacheflush(void * address, size_t size, size_t linewidth)
   25: {
   26:   void *p=(void *)((size_t)address & (-linewidth));
   27: 
   28:   for(; p<address+size;)
   29:     asm volatile("fdc (%0)\n\t"
   30: 		 "sync\n\t"
   31: 		 "fic,m %1(%0)\n\t"
   32: 		 "sync" : "+r"(p) : "r"(linewidth) : "memory" );
   33: }
   34: 
   35: #if 0
   36: void cacheflush(void * address, int size, int linewidth)
   37: {
   38:   int i;
   39: 
   40:   address=(void *)((int)address & (-linewidth));
   41: 
   42:   for(i=1-linewidth; i<size; i+=linewidth)
   43:     asm volatile("fdc (%0)\n\t"
   44: 		 "sync\n\t"
   45: 		 "fic,m %1(%0)\n\t"
   46: 		 "sync" : : "r" (address), "r" (linewidth) : "memory" );
   47: }
   48: #endif