2 * Copyright (c) 2003 The Regents of The University of Michigan
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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__