diff options
Diffstat (limited to 'dev/tsunami_cchip.cc')
| -rw-r--r-- | dev/tsunami_cchip.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/dev/tsunami_cchip.cc b/dev/tsunami_cchip.cc index 0fbfcb56f..870924a2f 100644 --- a/dev/tsunami_cchip.cc +++ b/dev/tsunami_cchip.cc @@ -49,7 +49,8 @@ using namespace std; TsunamiCChip::TsunamiCChip(const string &name, Tsunami *t, Addr a, - MemoryController *mmu, HierParams *hier, Bus* bus) + MemoryController *mmu, HierParams *hier, Bus* bus, + Tick pio_latency) : PioDevice(name), addr(a), tsunami(t) { mmu->add_child(this, Range<Addr>(addr, addr + size)); @@ -66,6 +67,7 @@ TsunamiCChip::TsunamiCChip(const string &name, Tsunami *t, Addr a, pioInterface = newPioInterface(name, hier, bus, this, &TsunamiCChip::cacheAccess); pioInterface->addAddrRange(addr, addr + size - 1); + pioLatency = pio_latency * bus->clockRatio; } drir = 0; @@ -383,7 +385,7 @@ TsunamiCChip::clearDRIR(uint32_t interrupt) Tick TsunamiCChip::cacheAccess(MemReqPtr &req) { - return curTick + 1000; + return curTick + pioLatency; } @@ -417,6 +419,7 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip) SimObjectParam<MemoryController *> mmu; Param<Addr> addr; SimObjectParam<Bus*> io_bus; + Param<Tick> pio_latency; SimObjectParam<HierParams *> hier; END_DECLARE_SIM_OBJECT_PARAMS(TsunamiCChip) @@ -427,13 +430,15 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(TsunamiCChip) 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(TsunamiCChip) CREATE_SIM_OBJECT(TsunamiCChip) { - return new TsunamiCChip(getInstanceName(), tsunami, addr, mmu, hier, io_bus); + return new TsunamiCChip(getInstanceName(), tsunami, addr, mmu, hier, + io_bus, pio_latency); } REGISTER_SIM_OBJECT("TsunamiCChip", TsunamiCChip) |