* 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: Gabe Black
*/
#ifndef __DEV_X86_I82094AA_HH__
#define __DEV_X86_I82094AA_HH__
+#include <map>
+
#include "base/bitunion.hh"
-#include "base/range_map.hh"
-#include "dev/io_device.hh"
#include "dev/x86/intdev.hh"
+#include "dev/intpin.hh"
+#include "dev/io_device.hh"
#include "params/I82094AA.hh"
namespace X86ISA
{
class I8259;
+class Interrupts;
-class I82094AA : public PioDevice, public IntDev
+class I82094AA : public BasicPioDevice
{
public:
BitUnion64(RedirTableEntry)
EndBitUnion(RedirTableEntry)
protected:
- Tick latency;
- Addr pioAddr;
-
I8259 * extIntPic;
uint8_t regSel;
uint8_t id;
uint8_t arbId;
+ uint64_t lowestPriorityOffset;
+
static const uint8_t TableSize = 24;
// This implementation is based on version 0x11, but 0x14 avoids having
// to deal with the arbitration and APIC bus guck.
RedirTableEntry redirTable[TableSize];
bool pinStates[TableSize];
+ std::vector<IntSinkPin<I82094AA> *> inputs;
+
+ IntRequestPort<I82094AA> intRequestPort;
+
public:
typedef I82094AAParams Params;
I82094AA(Params *p);
- Tick read(PacketPtr pkt);
- Tick write(PacketPtr pkt);
+ void init() override;
- void addressRanges(AddrRangeList &range_list)
- {
- range_list.clear();
- range_list.push_back(RangeEx(pioAddr, pioAddr + 4));
- range_list.push_back(RangeEx(pioAddr + 16, pioAddr + 20));
- }
-
- void getIntAddrRange(AddrRangeList &range_list)
- {
- range_list.clear();
- range_list.push_back(RangeEx(x86InterruptAddress(initialApicId, 0),
- x86InterruptAddress(initialApicId, 0) +
- PhysAddrAPICRangeSize));
- }
+ Tick read(PacketPtr pkt) override;
+ Tick write(PacketPtr pkt) override;
void writeReg(uint8_t offset, uint32_t value);
uint32_t readReg(uint8_t offset);
- Port *getPort(const std::string &if_name, int idx = -1)
- {
- if (if_name == "int_port")
- return intPort;
- return PioDevice::getPort(if_name, idx);
- }
+ Port &getPort(const std::string &if_name,
+ PortID idx=InvalidPortID) override;
+
+ bool recvResponse(PacketPtr pkt);
void signalInterrupt(int line);
void raiseInterruptPin(int number);
void lowerInterruptPin(int number);
+
+ void serialize(CheckpointOut &cp) const override;
+ void unserialize(CheckpointIn &cp) override;
};
-}; // namespace X86ISA
+} // namespace X86ISA
#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__