simple_disk.hh revision 56
1/* 2 * Copyright (c) 2003 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 29/* @file 30 * Simple disk interface for the system console 31 */ 32 33#ifndef __SIMPLE_DISK_HH__ 34#define __SIMPLE_DISK_HH__ 35 36#include "mem/functional_mem/physical_memory.hh" 37#include "sim/sim_object.hh" 38 39class DiskImage; 40 41/* 42 * Trivial interface to a disk image used by the System Console 43 */ 44class SimpleDisk : public SimObject 45{ 46public: 47 typedef uint64_t baddr_t; 48 49protected: 50 PhysicalMemory *physmem; 51 DiskImage *image; 52 53public: 54 SimpleDisk(const std::string &name, PhysicalMemory *pmem, DiskImage *img); 55 ~SimpleDisk(); 56 57 void read(Addr addr, baddr_t block, int count) const; 58 void write(Addr addr, baddr_t block, int count); 59}; 60#endif // __SIMPLE_DISK_HH__ 61