2 * Copyright (c) 2003 The Regents of The University of Michigan
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30 * PCI configspace devices
33 #ifndef __PCI_DEV_HH__
34 #define __PCI_DEV_HH__
36 #include "dev/pcireg.h"
37 #include "sim/sim_object.hh"
38 #include "mem/functional_mem/mmap_device.hh"
41 class MemoryController;
43 class PciConfigData : public SimObject
46 PciConfigData(const std::string &name)
49 memset(config.data, 0, sizeof(config.data));
50 memset(BARAddrs, 0, sizeof(BARAddrs));
51 memset(BARSize, 0, sizeof(BARSize));
60 * PCI device, base implemnation is only config space.
61 * Each device is connected to a PCIConfigSpace device
62 * which returns -1 for everything but the pcidevs that
63 * register with it. This object registers with the PCIConfig space
66 class PciDev : public MmapDevice
69 MemoryController *MMU;
70 PCIConfigAll *ConfigSpace;
71 PciConfigData *ConfigData;
81 PciDev(const std::string &name, MemoryController *mmu, PCIConfigAll *cf,
82 PciConfigData *cd, uint32_t bus, uint32_t dev, uint32_t func);
84 virtual Fault read(MemReqPtr &req, uint8_t *data) {
87 virtual Fault write(MemReqPtr &req, const uint8_t *data) {
91 virtual void WriteConfig(int offset, int size, uint32_t data);
92 virtual void ReadConfig(int offset, int size, uint8_t *data);
94 virtual void serialize(std::ostream &os);
95 virtual void unserialize(Checkpoint *cp, const std::string §ion);
98 #endif // __PCI_DEV_HH__