66 lines
2 KiB
C
66 lines
2 KiB
C
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/******************************** -*- C -*- ****************************
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*
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* Platform-independent layer inline functions (Sparc)
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*
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***********************************************************************/
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/***********************************************************************
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*
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* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
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* Written by Paolo Bonzini.
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*
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* This file is part of GNU lightning.
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*
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* GNU lightning is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1, or (at your option)
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* any later version.
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*
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* GNU lightning is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
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* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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***********************************************************************/
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#ifndef __lightning_funcs_h
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#define __lightning_funcs_h
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#if !defined(__GNUC__) && !defined(__GNUG__)
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#error Go get GNU C, I do not know how to flush the cache
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#error with this compiler.
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#else
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/* Why doesn't this compile?!?
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* static void
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* jit_flush_code(start, end)
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* void *start;
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* void *end;
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*/
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static void
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jit_flush_code(void* start, void* end)
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{
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#ifndef LIGHTNING_CROSS
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register char *dest;
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__asm__ __volatile__ ("stbar");
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for (dest = (char *)start; dest <= (char *)end; dest += 4) {
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__asm__ __volatile__ ("flush %0"::"r"(dest));
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}
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/* [SPARC Architecture Manual v8, page 139, implementation note #5] */
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__asm__ __volatile__ ("nop; nop; nop; nop; nop");
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#endif
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}
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#endif
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#endif /* __lightning_core_h */
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