PatchSet 4518
Date: 2004/03/13 17:44:22
Author: dalibor
Branch: HEAD
Tag: (none)
Log:
Added missing clear-cache file
Members:
config/m68k/clear-cache.h:INITIAL->1.1
===================================================================
Checking out kaffe/config/m68k/clear-cache.h
RCS: /home/cvs/kaffe/kaffe/config/m68k/clear-cache.h,v
VERS: 1.1
***************
--- /dev/null Sun Aug 4 19:57:58 2002
+++ kaffe/config/m68k/clear-cache.h Sat Mar 13 18:14:52 2004
@@ -0,0 +1,53 @@
+/* Definitions for Motorola 68k running Linux-based GNU systems with
+ ELF format.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004
+ Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#if !defined(CLEAR_CACHE_H)
+#define (CLEAR_CACHE_H)
+
+/* Clear the instruction cache from `beg' to `end'. This makes an
+ inline system call to SYS_cacheflush. The arguments are as
+ follows:
+
+ cacheflush (addr, scope, cache, len)
+
+ addr - the start address for the flush
+ scope - the scope of the flush (see the cpush insn)
+ cache - which cache to flush (see the cpush insn)
+ len - a factor relating to the number of flushes to perform:
+ len/16 lines, or len/4096 pages. */
+
+#define CLEAR_INSN_CACHE(BEG, END) \
+{ \
+ register unsigned long _beg __asm ("%d1") = (unsigned long) (BEG); \
+ unsigned long _end = (unsigned long) (END); \
+ register unsigned long _len __asm ("%d4") = (_end - _beg + 32); \
+ __asm __volatile \
+ ("move%.l #123, %/d0\n\t" /* system call nr */ \
+ "move%.l #1, %/d2\n\t" /* clear lines */ \
+ "move%.l #3, %/d3\n\t" /* insn+data caches */ \
+ "trap #0" \
+ : /* no outputs */ \
+ : "d" (_beg), "d" (_len) \
+ : "%d0", "%d2", "%d3"); \
+}
+
+#endif /* !defined(CLEAR_CACHE_H) */
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