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git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--base-0
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Paolo Bonzini 2004-10-10 21:18:38 +00:00
commit 3b4c061913
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65
lightning/sparc/funcs.h Normal file
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/******************************** -*- C -*- ****************************
*
* Platform-independent layer inline functions (Sparc)
*
***********************************************************************/
/***********************************************************************
*
* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
* Written by Paolo Bonzini.
*
* This file is part of GNU lightning.
*
* GNU lightning is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1, or (at your option)
* any later version.
*
* GNU lightning 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
***********************************************************************/
#ifndef __lightning_funcs_h
#define __lightning_funcs_h
#if !defined(__GNUC__) && !defined(__GNUG__)
#error Go get GNU C, I do not know how to flush the cache
#error with this compiler.
#else
/* Why doesn't this compile?!?
* static void
* jit_flush_code(start, end)
* void *start;
* void *end;
*/
static void
jit_flush_code(void* start, void* end)
{
#ifndef LIGHTNING_CROSS
register char *dest;
__asm__ __volatile__ ("stbar");
for (dest = (char *)start; dest <= (char *)end; dest += 4) {
__asm__ __volatile__ ("flush %0"::"r"(dest));
}
/* [SPARC Architecture Manual v8, page 139, implementation note #5] */
__asm__ __volatile__ ("nop; nop; nop; nop; nop");
#endif
}
#endif
#endif /* __lightning_core_h */