simple_disk.hh revision 5034
1/* 2 * Copyright (c) 2001-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31/* @file 32 * Simple disk interface for the system console 33 */ 34 35#ifndef __DEV_SIMPLE_DISK_HH__ 36#define __DEV_SIMPLE_DISK_HH__ 37 38#include "sim/sim_object.hh" 39#include "arch/isa_traits.hh" 40#include "params/SimpleDisk.hh" 41 42class DiskImage; 43class System; 44 45/* 46 * Trivial interface to a disk image used by the System Console 47 */ 48class SimpleDisk : public SimObject 49{ 50 public: 51 typedef uint64_t baddr_t; 52 53 protected: 54 System *system; 55 DiskImage *image; 56 57 public: 58 typedef SimpleDiskParams Params; 59 SimpleDisk(const Params *p); 60 ~SimpleDisk(); 61 62 void read(Addr addr, baddr_t block, int count) const; 63 void write(Addr addr, baddr_t block, int count); 64}; 65 66#endif // __DEV_SIMPLE_DISK_HH__ 67