dev: Add a VirtIO console device model

[gem5.git] / src / dev / pciconfigall.hh

diff --git a/src/dev/pciconfigall.hh b/src/dev/pciconfigall.hh
index df4eae448f0b23df102823f5953d20e72831fe3c..c9a63d2c5d480d31348bbbc4ee6fc8c76e268d55 100644 (file)
--- a/src/dev/pciconfigall.hh
+++ b/src/dev/pciconfigall.hh
@@ -24,6 +24,9 @@
  * 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.
+ *
+ * Authors: Andrew Schultz
+ *          Ali Saidi
  */
 
 /*
@@ -34,95 +37,47 @@
 #ifndef __PCICONFIGALL_HH__
 #define __PCICONFIGALL_HH__
 
-#include "dev/pcireg.h"
-#include "base/range.hh"
 #include "dev/io_device.hh"
-
-
-static const uint32_t MAX_PCI_DEV = 32;
-static const uint32_t MAX_PCI_FUNC = 8;
-
-class PciDev;
+#include "dev/pcireg.h"
+#include "params/PciConfigAll.hh"
 
 /**
  * PCI Config Space
  * All of PCI config space needs to return -1 on Tsunami, except
  * the devices that exist. This device maps the entire bus config
- * space and passes the requests on to TsunamiPCIDev devices as
+ * space and passes the requests on to TsunamiPCIDevice devices as
  * appropriate.
  */
 class PciConfigAll : public BasicPioDevice
 {
-  private:
-    /**
-      * Pointers to all the devices that are registered with this
-      * particular config space.
-      */
-    PciDev* devices[MAX_PCI_DEV][MAX_PCI_FUNC];
-
   public:
+    typedef PciConfigAllParams Params;
+    const Params *params() const { return (const Params *)_params; }
+
     /**
      * Constructor for PCIConfigAll
      * @param p parameters structure
      */
-    PciConfigAll(Params *p);
-
-    /**
-     * Check if a device exists.
-     * @param pcidev PCI device to check
-     * @param pcifunc PCI function to check
-     * @return true if device exists, false otherwise
-     */
-    bool deviceExists(uint32_t pcidev, uint32_t pcifunc)
-                     { return devices[pcidev][pcifunc] != NULL ? true : false; }
-
-    /**
-     * Registers a device with the config space object.
-     * @param pcidev PCI device to register
-     * @param pcifunc PCI function to register
-     * @param device device to register
-     */
-    void registerDevice(uint8_t pcidev, uint8_t pcifunc, PciDev *device)
-                        { devices[pcidev][pcifunc] = device; }
+    PciConfigAll(const Params *p);
 
     /**
      * Read something in PCI config space. If the device does not exist
-     * -1 is returned, if the device does exist its PciDev::ReadConfig (or the
-     * virtual function that overrides) it is called.
-     * @param pkt Contains the address of the field to read.
+     * -1 is returned, if the device does exist its PciDevice::ReadConfig
+     * (or the virtual function that overrides) it is called.
+     * @param pkt Contains information about the read operation
      * @return Amount of time to do the read
      */
-    virtual Tick read(Packet *pkt);
+    virtual Tick read(PacketPtr pkt);
 
     /**
      * Write to PCI config spcae. If the device does not exit the simulator
-     * panics. If it does it is passed on the PciDev::WriteConfig (or the virtual
-     * function that overrides it).
-     * @param req Contains the address to write to.
-     * @param data The data to write.
-     * @return The fault condition of the access.
-     */
-
-    virtual Tick write(Packet *pkt);
-
-    /**
-     * Start up function to check if more than one person is using an interrupt line
-     * and print a warning if such a case exists
-     */
-    virtual void startup();
-
-    /**
-     * Serialize this object to the given output stream.
-     * @param os The stream to serialize to.
+     * panics. If it does it is passed on the PciDevice::WriteConfig (or
+     * the virtual function that overrides it).
+     * @param pkt Contains information about the write operation
+     * @return Amount of time to do the read
      */
-    virtual void serialize(std::ostream &os);
 
-    /**
-     * Reconstruct the state of this object from a checkpoint.
-     * @param cp The checkpoint use.
-     * @param section The section name of this object
-     */
-    virtual void unserialize(Checkpoint *cp, const std::string &section);
+    virtual Tick write(PacketPtr pkt);
 };
 
 #endif // __PCICONFIGALL_HH__