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/* SCARTS (32-bit) target-dependent code for GDB, the GNU debugger.

   Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.

   Contributed by Martin Walter <mwalter@opencores.org>

   This file is part of GDB.

   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 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/>.  */

#ifndef __SCARTS_32_TDEP_H__

#define __SCARTS_32_TDEP_H__

#include "gdb/sim-scarts_32.h"

/* SCARTS architecture specific information. */

struct gdbarch_tdep

{

  unsigned int  num_gp_regs;

  unsigned int  num_sp_regs;

  unsigned int  num_pseudo_regs;

  int           pc_regnum;

  int           fp_regnum;

  int           sp_regnum;

  int           bytes_per_word;

  int           bytes_per_address;

};

/* Byte array for the ILLOP instruction used for breakpoints. */

#define SCARTS_ILLOP_INSN_STRUCT   {0xFF, 0xFF}

/* Integer for the ILLOP instruction used for breakpoints. */

#define SCARTS_ILLOP_INSN   0xFFFF

/* Properties of the architecture. */

#define SCARTS_NUM_GP_REGS             16

#define SCARTS_NUM_SP_REGS              4

#define SCARTS_NUM_PSEUDO_REGS          0

#define SCARTS_NUM_REGS                (SCARTS_NUM_GP_REGS + SCARTS_NUM_SP_REGS)

#define SCARTS_TOTAL_NUM_REGS          (SCARTS_NUM_REGS + SCARTS_NUM_PSEUDO_REGS)

#define SCARTS_NUM_INT_VECTORS         16

#define SCARTS_NUM_EXC_VECTORS         16

#define SCARTS_NUM_VECTORS             (SCARTS_NUM_INT_VECTORS + SCARTS_NUM_EXC_VECTORS)

#define SCARTS_INSN_SIZE                2

#define SCARTS_STACK_ALIGN              SCARTS_WORD_SIZE

#define SCARTS_FRAME_RED_ZONE_SIZE   2536

/* Description of the register file. */

#define SCARTS_RET_VAL_REGNUM    0 

#define SCARTS_1ST_ARG_REGNUM    1

#define SCARTS_2ND_ARG_REGNUM    2

#define SCARTS_3RD_ARG_REGNUM    3

#define SCARTS_4TH_ARG_REGNUM    4

#define SCARTS_RTS_REGNUM       14

#define SCARTS_RTE_REGNUM       15

#define SCARTS_PC_REGNUM        16

#define SCARTS_FP_REGNUM        18

#define SCARTS_SP_REGNUM        19

#endif