Add support for PIC interrupts in IO, and DIRx interrupts in CChip

dev/tsunami_cchip.cc:
dev/tsunami_cchip.hh:
    Add Interrupt capabilities for DIRx, added postDRIR and clearDRIR
    functions
dev/tsunami_io.cc:
    Add PIC interrupts, and post/clearPIC functions
dev/tsunami_io.hh:
    Add support for PIC interrupts, added post/clearPIC functions

--HG--
extra : convert_revision : b705568670b157c1a4496c365226526fa96e21e0

1 files changed, 6 insertions, 0 deletions

diff --git a/dev/tsunami_io.hh b/dev/tsunami_io.hh
index 9706dea25..97589e5f0 100644
--- a/dev/tsunami_io.hh
+++ b/dev/tsunami_io.hh
@@ -90,6 +90,9 @@ class TsunamiIO : public MmapDevice
       uint8_t mode1;
       uint8_t mode2;
 
+    uint8_t picr; //Raw PIC interrput register, before masking
+    bool picInterrupting;
+
     Tsunami *tsunami;
 
       /* This timer is initilized, but after I wrote the code
@@ -121,6 +124,9 @@ class TsunamiIO : public MmapDevice
     virtual Fault read(MemReqPtr req, uint8_t *data);
     virtual Fault write(MemReqPtr req, const uint8_t *data);
 
+    void postPIC(uint8_t bitvector);
+    void clearPIC(uint8_t bitvector);
+
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
 };