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Diffstat (limited to 'dev/pcidev.hh')
-rw-r--r-- | dev/pcidev.hh | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/dev/pcidev.hh b/dev/pcidev.hh new file mode 100644 index 000000000..85f344298 --- /dev/null +++ b/dev/pcidev.hh @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2003 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* @file + * PCI configspace devices + */ + +#ifndef __PCI_DEV_HH__ +#define __PCI_DEV_HH__ + +#include "mem/functional_mem/mmap_device.hh" +#include "dev/pcireg.h" +class PCIConfigAll; + +/* + * PCI device configuration device. + * Each device is connected to a PCIConfigSpace device + * which returns -1 for everything but the pcidevs that + * register with it. This object registers with the PCIConfig space + * object. + */ +class PciDev : public MMapDevice +{ + private: + uint32_t Bus; + uint32_t Device; + uint32_t Function; + public: + PciDev(const std::string &name, PCIConfigAll *cf, uint32_t bus, + uint32_t dev, uint32_t func); + + PCIConfigAll *ConfigSpace; + PCIConfig config; + uint32_t BARSize[6]; + + virtual void WriteConfig(int offset, int size, uint32_t data); + virtual void ReadConfig(int offset, int size, uint8_t *data); + + + virtual void serialize(std::ostream &os); + virtual void unserialize(Checkpoint *cp, const std::string §ion); +}; + +#endif // __PCI_DEV_HH__ |