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/* generic.h -- Generic external peripheral

   Copyright (C) 2008 Embecosm Limited

   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

   This file is part of OpenRISC 1000 Architectural Simulator.

   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/>. */

/* State associated with the generic device. */

struct dev_generic {

  /* Info about a particular transaction */

  enum {                                /* Direction of the access */

    GENERIC_READ,

    GENERIC_WRITE

  } trans_direction;

  enum {                                /* Size of the access */

    GENERIC_BYTE,

    GENERIC_HW,

    GENERIC_WORD

  } trans_size;

  uint32_t  value;                      /* The value to read/write */

  /* Configuration */

  int       enabled;                    /* Device enabled */

  int       byte_enabled;               /* Byte R/W allowed */

  int       hw_enabled;                 /* Half word R/W allowed */

  int       word_enabled;               /* Full word R/W allowed */

  char     *name;                       /* Name of the device */

  oraddr_t  baseaddr;                   /* Base address of device */

  uint32_t  size;                       /* Address space size (bytes) */

};