#include "dev/io_device.hh"
#include "dev/pcireg.h"
#include "dev/platform.hh"
+#include "params/PciDevice.hh"
#include "sim/byteswap.hh"
#define BAR_IO_MASK 0x3
#define BAR_NUMBER(x) (((x) - PCI0_BASE_ADDR0) >> 0x2);
-/**
- * This class encapulates the first 64 bytes of a singles PCI
- * devices config space that in configured by the configuration file.
- */
-class PciConfigData : public SimObject
-{
- public:
- /**
- * Constructor to initialize the devices config space to 0.
- */
- PciConfigData(const std::string &name)
- : SimObject(name)
- {
- std::memset(config.data, 0, sizeof(config.data));
- std::memset(BARSize, 0, sizeof(BARSize));
- }
-
- /** The first 64 bytes */
- PCIConfig config;
-
- /** The size of the BARs */
- uint32_t BARSize[6];
-};
-
/**
* PCI device, base implementation is only config space.
};
public:
- struct Params : public DmaDevice::Params
+ typedef PciDeviceParams Params;
+ const Params *
+ params() const
{
- /**
- * A pointer to the object that contains the first 64 bytes of
- * config space
- */
- PciConfigData *configData;
-
- /** The bus number we are on */
- uint32_t busNum;
-
- /** The device number we have */
- uint32_t deviceNum;
-
- /** The function number */
- uint32_t functionNum;
-
- /** The latency for pio accesses. */
- Tick pio_delay;
-
- /** The latency for a config access. */
- Tick config_delay;
- };
-
- public:
- const Params *params() const { return (const Params *)_params; }
+ return dynamic_cast<const Params *>(_params);
+ }
protected:
- /** The current config space. Unlike the PciConfigData this is
- * updated during simulation while continues to reflect what was
- * in the config file.
- */
+ /** The current config space. */
PCIConfig config;
/** The size of the BARs */
/** The current address mapping of the BARs */
Addr BARAddrs[6];
+ /** Whether the BARs are really hardwired legacy IO locations. */
+ bool legacyIO[6];
+
/**
* Does the given address lie within the space mapped by the given
* base address register?
protected:
Platform *plat;
- PciConfigData *configData;
Tick pioDelay;
Tick configDelay;
PciConfigPort *configPort;
void
intrPost()
- { plat->postPciInt(letoh(configData->config.interruptLine)); }
+ { plat->postPciInt(letoh(config.interruptLine)); }
void
intrClear()
- { plat->clearPciInt(letoh(configData->config.interruptLine)); }
+ { plat->clearPciInt(letoh(config.interruptLine)); }
uint8_t
interruptLine()
- { return letoh(configData->config.interruptLine); }
+ { return letoh(config.interruptLine); }
/** return the address ranges that this device responds to.
* @params range_list range list to populate with ranges
* config file object PCIConfigData and registers the device with
* a PciConfigAll object.
*/
- PciDev(Params *params);
+ PciDev(const Params *params);
virtual void init();
if (if_name == "config") {
if (configPort != NULL)
panic("pciconfig port already connected to.");
- configPort = new PciConfigPort(this, params()->busNum,
- params()->deviceNum, params()->functionNum,
+ configPort = new PciConfigPort(this, params()->pci_bus,
+ params()->pci_dev, params()->pci_func,
params()->platform);
return configPort;
}