/* Memory ops header for CGEN-based simlators.
   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
   Contributed by Cygnus Solutions.

This file is part of the GNU Simulators.

This program 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.

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, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifndef CGEN_MEM_H
#define CGEN_MEM_H

#ifdef MEMOPS_DEFINE_INLINE
#define MEMOPS_INLINE
#else
#define MEMOPS_INLINE extern inline
#endif

#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETMEM(mode, size) \
MEMOPS_INLINE mode \
XCONCAT2 (GETMEM,mode) (SIM_CPU *cpu, ADDR a) \
{ \
  PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode)); \
  /* Don't read anything into "unaligned" here.  Bad name choice.  */\
  return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, NULL_CIA, sim_core_read_map, a); \
}
#else
#define DECLARE_GETMEM(mode, size) \
extern mode XCONCAT2 (GETMEM,mode) (SIM_CPU *, ADDR);
#endif

DECLARE_GETMEM (QI, 1)
DECLARE_GETMEM (UQI, 1)
DECLARE_GETMEM (HI, 2)
DECLARE_GETMEM (UHI, 2)
DECLARE_GETMEM (SI, 4)
DECLARE_GETMEM (USI, 4)
DECLARE_GETMEM (DI, 8)
DECLARE_GETMEM (UDI, 8)

#undef DECLARE_GETMEM

#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_SETMEM(mode, size) \
MEMOPS_INLINE void \
XCONCAT2 (SETMEM,mode) (SIM_CPU *cpu, ADDR a, mode val) \
{ \
  PROFILE_COUNT_WRITE (cpu, a, XCONCAT2 (MODE_,mode)); \
  /* Don't read anything into "unaligned" here.  Bad name choice.  */ \
  XCONCAT2 (sim_core_write_unaligned_,size) (cpu, NULL_CIA, sim_core_write_map, a, val); \
}
#else
#define DECLARE_SETMEM(mode, size) \
extern void XCONCAT2 (SETMEM,mode) (SIM_CPU *, ADDR, mode);
#endif

DECLARE_SETMEM (QI, 1)
DECLARE_SETMEM (UQI, 1)
DECLARE_SETMEM (HI, 2)
DECLARE_SETMEM (UHI, 2)
DECLARE_SETMEM (SI, 4)
DECLARE_SETMEM (USI, 4)
DECLARE_SETMEM (DI, 8)
DECLARE_SETMEM (UDI, 8)

#undef DECLARE_SETMEM

#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETIMEM(mode, size) \
MEMOPS_INLINE mode \
XCONCAT2 (GETIMEM,mode) (SIM_CPU *cpu, ADDR a) \
{ \
  /*PROFILE_COUNT_READ (cpu, a, XCONCAT2 (MODE_,mode));*/ \
  /* Don't read anything into "unaligned" here.  Bad name choice.  */\
  return XCONCAT2 (sim_core_read_unaligned_,size) (cpu, NULL_CIA, sim_core_execute_map, a); \
}
#else
#define DECLARE_GETIMEM(mode, size) \
extern mode XCONCAT2 (GETIMEM,mode) (SIM_CPU *, ADDR);
#endif

DECLARE_GETIMEM (UQI, 1)
DECLARE_GETIMEM (UHI, 2)
DECLARE_GETIMEM (USI, 4)
DECLARE_GETIMEM (UDI, 8)

#undef DECLARE_GETIMEM

/* GETT<mode>: translate target value at P to host value.
   ??? How inefficient is the current implementation?  */

#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_GETT(mode, size) \
MEMOPS_INLINE mode \
XCONCAT2 (GETT,mode) (unsigned char *p) \
{ \
  mode tmp; \
  memcpy (&tmp, p, sizeof (mode)); \
  return XCONCAT2 (T2H_,size) (tmp); \
}
#else
#define DECLARE_GETT(mode, size) \
extern mode XCONCAT2 (GETT,mode) (unsigned char *);
#endif

DECLARE_GETT (QI, 1)
DECLARE_GETT (UQI, 1)
DECLARE_GETT (HI, 2)
DECLARE_GETT (UHI, 2)
DECLARE_GETT (SI, 4)
DECLARE_GETT (USI, 4)
DECLARE_GETT (DI, 8)
DECLARE_GETT (UDI, 8)

#undef DECLARE_GETT

/* SETT<mode>: translate host value to target value and store at P.
   ??? How inefficient is the current implementation?  */

#if defined (__GNUC__) || defined (MEMOPS_DEFINE_INLINE)
#define DECLARE_SETT(mode, size) \
MEMOPS_INLINE mode \
XCONCAT2 (SETT,mode) (unsigned char *buf, mode val) \
{ \
  mode tmp; \
  tmp = XCONCAT2 (H2T_,size) (val); \
  memcpy (buf, &tmp, sizeof (mode)); \
}
#else
#define DECLARE_SETT(mode, size) \
extern mode XCONCAT2 (GETT,mode) (unsigned char *, mode);
#endif

DECLARE_SETT (QI, 1)
DECLARE_SETT (UQI, 1)
DECLARE_SETT (HI, 2)
DECLARE_SETT (UHI, 2)
DECLARE_SETT (SI, 4)
DECLARE_SETT (USI, 4)
DECLARE_SETT (DI, 8)
DECLARE_SETT (UDI, 8)

#undef DECLARE_SETT

#endif /* CGEN_MEM_H */