diff options
Diffstat (limited to 'dev/tsunami_io.cc')
| -rw-r--r-- | dev/tsunami_io.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/dev/tsunami_io.cc b/dev/tsunami_io.cc index 4c798a852..105e3b5b7 100644 --- a/dev/tsunami_io.cc +++ b/dev/tsunami_io.cc @@ -160,7 +160,8 @@ TsunamiIO::ClockEvent::unserialize(Checkpoint *cp, const std::string §ion) } TsunamiIO::TsunamiIO(const string &name, Tsunami *t, time_t init_time, - Addr a, MemoryController *mmu, HierParams *hier, Bus *bus) + Addr a, MemoryController *mmu, HierParams *hier, Bus *bus, + Tick pio_latency) : PioDevice(name), addr(a), tsunami(t), rtc(t) { mmu->add_child(this, Range<Addr>(addr, addr + size)); @@ -169,6 +170,7 @@ TsunamiIO::TsunamiIO(const string &name, Tsunami *t, time_t init_time, pioInterface = newPioInterface(name, hier, bus, this, &TsunamiIO::cacheAccess); pioInterface->addAddrRange(addr, addr + size - 1); + pioLatency = pio_latency * bus->clockRatio; } // set the back pointer from tsunami to myself @@ -425,7 +427,7 @@ TsunamiIO::clearPIC(uint8_t bitvector) Tick TsunamiIO::cacheAccess(MemReqPtr &req) { - return curTick + 1000; + return curTick + pioLatency; } void @@ -476,6 +478,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO) SimObjectParam<MemoryController *> mmu; Param<Addr> addr; SimObjectParam<Bus*> io_bus; + Param<Tick> pio_latency; SimObjectParam<HierParams *> hier; END_DECLARE_SIM_OBJECT_PARAMS(TsunamiIO) @@ -488,6 +491,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiIO) INIT_PARAM(mmu, "Memory Controller"), INIT_PARAM(addr, "Device Address"), INIT_PARAM_DFLT(io_bus, "The IO Bus to attach to", NULL), + INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1), INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams) END_INIT_SIM_OBJECT_PARAMS(TsunamiIO) @@ -495,7 +499,7 @@ END_INIT_SIM_OBJECT_PARAMS(TsunamiIO) CREATE_SIM_OBJECT(TsunamiIO) { return new TsunamiIO(getInstanceName(), tsunami, time, addr, mmu, hier, - io_bus); + io_bus, pio_latency); } REGISTER_SIM_OBJECT("TsunamiIO", TsunamiIO) |