2 * Copyright (c) 2003 The Regents of The University of Michigan
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.
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.
30 * Interface for devices using PCI configuration
33 #ifndef __PCI_DEV_HH__
34 #define __PCI_DEV_HH__
36 #include "dev/pcireg.h"
37 #include "dev/io_device.hh"
40 class MemoryController;
42 class PciConfigData : public SimObject
45 PciConfigData(const std::string &name)
48 memset(config.data, 0, sizeof(config.data));
49 memset(BARAddrs, 0, sizeof(BARAddrs));
50 memset(BARSize, 0, sizeof(BARSize));
59 * PCI device, base implemnation is only config space.
60 * Each device is connected to a PCIConfigSpace device
61 * which returns -1 for everything but the pcidevs that
62 * register with it. This object registers with the PCIConfig space
65 class PciDev : public DmaDevice
68 MemoryController *MMU;
69 PciConfigAll *ConfigSpace;
70 PciConfigData *ConfigData;
80 PciDev(const std::string &name, MemoryController *mmu, PciConfigAll *cf,
81 PciConfigData *cd, uint32_t bus, uint32_t dev, uint32_t func);
83 virtual Fault read(MemReqPtr &req, uint8_t *data) {
86 virtual Fault write(MemReqPtr &req, const uint8_t *data) {
90 virtual void WriteConfig(int offset, int size, uint32_t data);
91 virtual void ReadConfig(int offset, int size, uint8_t *data);
93 virtual void serialize(std::ostream &os);
94 virtual void unserialize(Checkpoint *cp, const std::string §ion);
97 #endif // __PCI_DEV_HH__