host.cc

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/*
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#include "dev/pci/host.hh"
 
#include "base/addr_range.hh"
#include "debug/PciHost.hh"
#include "dev/pci/device.hh"
#include "dev/pci/types.hh"
#include "dev/pci/upstream.hh"
#include "dev/platform.hh"
#include "params/GenericPciHost.hh"
#include "params/PciHost.hh"
 
namespace gem5
{
 
PciHost::PciHost(const PciHostParams &p) : PciUpstream(p)
{}
 
PciHost::~PciHost()
{
}
 
GenericPciHost::GenericPciHost(const GenericPciHostParams &p)
    : PciHost(p),
      platform(*p.platform),
      confBase(p.conf_base), confSize(p.conf_size),
      confDeviceBits(p.conf_device_bits),
      pciPioBase(p.pci_pio_base), pciMemBase(p.pci_mem_base),
      pciDmaBase(p.pci_dma_base)
{
}
 
GenericPciHost::~GenericPciHost()
{
}
 
AddrRange
GenericPciHost::getConfigAddrRange() const
{
    return RangeSize(confBase, confSize);
}
 
AddrRange
GenericPciHost::interfaceConfigRange(const PciDevAddr &dev_addr) const
{
    Addr bus_addr = (getBusNum() << 8) + (dev_addr.dev << 3) + dev_addr.func;
 
    Addr start = confBase + (bus_addr << confDeviceBits);
 
    return RangeSize(start, 1 << confDeviceBits);
}
 
void
GenericPciHost::interfacePostInt(const PciDevAddr &addr, PciIntPin pin)
{
    platform.postPciInt(mapPciInterrupt(addr, pin));
}
 
void
GenericPciHost::interfaceClearInt(const PciDevAddr &addr, PciIntPin pin)
{
    platform.clearPciInt(mapPciInterrupt(addr, pin));
}
 
uint32_t
GenericPciHost::mapPciInterrupt(const PciDevAddr &addr, PciIntPin pin) const
{
    const PciDevice *dev(getDevice(addr));
    assert(dev);
 
    return dev->interruptLine();
}
 
} // namespace gem5