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/* This is the machine-specific part for the 68000 and family
Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2007 Free Software Foundation, Inc.
This file is part of Gforth.
Gforth 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 3
of the License, or (at your option) any later version.
This program 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 this program; if not, see http://www.gnu.org/licenses/.
*/
#if !defined USE_NO_TOS && !defined USE_TOS
#define USE_TOS
#endif
#include "../generic/machine.h"
#include <sys/types.h>
/* Clearing the whole cache is a bit drastic, but this is the only
* cache control available on the apollo and NeXT
*/
#if defined(apollo)
# define FLUSH_ICACHE(addr,size) cache_$clear()
#elif defined(__NetBSD__)
# define FLUSH_ICACHE(addr,size) do { \
register void *addr_ asm("a1") = (addr); \
register int size_ asm("d1") = (size); \
register int cmd_ asm("d0") = 0x80000004; \
asm volatile(" trap #12" \
: "=a" (addr_), "=d" (size_), "=d" (cmd_) \
: "0" (addr_), "1" (size_), "2" (cmd_) : "a0"); \
} while (0)
#elif defined(NeXT) || defined(sun)
# define FLUSH_ICACHE(addr,size) asm("trap #2");
#elif defined(hpux)
# include <sys/cache.h>
# define FLUSH_ICACHE(addr,size) cachectl(CC_IPURGE,(addr),(size))
#elif defined(linux)
#include <asm/cachectl.h>
extern int cacheflush(void *, int, int, size_t);
#define FLUSH_ICACHE(addr,size) \
cacheflush(addr, FLUSH_SCOPE_LINE, FLUSH_CACHE_INSN, (size_t)(size) + 15)
#elif defined(amigaos)
# define FLUSH_ICACHE(addr,size) \
asm(" move.l a6,-(sp); \
move.l _SysBase,a6; \
jsr -636(a6); \
move.l (sp)+,a6; \
")
#else
# warning no FLUSH_ICACHE defined. Dynamic native code generation disabled.
# warning CODE words will not work.
#endif
#ifdef FORCE_REG /* highly recommended */
#if defined(amigaos)
# define IPREG asm("%a6")
#else
# define IPREG asm("%a5")
#endif
#define SPREG asm("%a4")
#define RPREG asm("%a3")
#define CFAREG asm("%a2")
#define TOSREG asm("%d3")
#define LPREG asm("%d2")
#endif
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