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authorGabe Black <gblack@eecs.umich.edu>2006-02-20 23:55:25 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-02-20 23:55:25 -0500
commit74d7cd1ceadd8ba803bbb83750e11a3c488d3fe1 (patch)
treebb1cfdce0b5c1d2b0acef8d38c08b15d49616327 /dev/sinic.cc
parent466284b5d29ad0d44c1b020353cf7521be2b90de (diff)
parent3a0102536bdbf00629e6ba944bd55ee0ec77fb52 (diff)
downloadgem5-74d7cd1ceadd8ba803bbb83750e11a3c488d3fe1.tar.xz
Merge zizzer.eecs.umich.edu:/z/m5/Bitkeeper/m5
into zizzer.eecs.umich.edu:/z/m5/Bitkeeper/multiarch --HG-- extra : convert_revision : da72b3593037c2a67a56c799e292853b8aece907
Diffstat (limited to 'dev/sinic.cc')
-rw-r--r--dev/sinic.cc35
1 files changed, 1 insertions, 34 deletions
diff --git a/dev/sinic.cc b/dev/sinic.cc
index 6ffd0a664..d175a1796 100644
--- a/dev/sinic.cc
+++ b/dev/sinic.cc
@@ -113,8 +113,6 @@ Device::Device(Params *p)
p->dma_no_allocate);
} else if (p->payload_bus)
panic("must define a header bus if defining a payload bus");
-
- pioDelayWrite = p->pio_delay_write && pioInterface;
}
Device::~Device()
@@ -353,9 +351,6 @@ Device::prepareRead(int cpu, int index)
void
Device::prepareWrite(int cpu, int index)
{
- if (cpu >= writeQueue.size())
- writeQueue.resize(cpu + 1);
-
prepareIO(cpu, index);
}
@@ -503,11 +498,7 @@ Device::writeBar0(MemReqPtr &req, Addr daddr, const uint8_t *data)
prepareWrite(cpu, index);
- if (pioDelayWrite)
- writeQueue[cpu].push_back(RegWriteData(daddr, reg64));
-
- if (!pioDelayWrite || !info.delay_write)
- regWrite(daddr, cpu, data);
+ regWrite(daddr, cpu, data);
return NoFault;
}
@@ -1571,27 +1562,6 @@ Device::cacheAccess(MemReqPtr &req)
DPRINTF(EthernetPIO, "timing %s to paddr=%#x bar=%d daddr=%#x\n",
req->cmd.toString(), req->paddr, bar, daddr);
- if (!pioDelayWrite || !req->cmd.isWrite())
- return curTick + pioLatency;
-
- if (bar == 0) {
- int cpu = (req->xc->regs.ipr[TheISA::IPR_PALtemp16] >> 8) & 0xff;
- std::list<RegWriteData> &wq = writeQueue[cpu];
- if (wq.empty())
- panic("WriteQueue for cpu %d empty timing daddr=%#x", cpu, daddr);
-
- const RegWriteData &data = wq.front();
- if (data.daddr != daddr)
- panic("read mismatch on cpu %d, daddr functional=%#x timing=%#x",
- cpu, data.daddr, daddr);
-
- const Regs::Info &info = regInfo(data.daddr);
- if (info.delay_write)
- regWrite(daddr, cpu, (uint8_t *)&data.value);
-
- wq.pop_front();
- }
-
return curTick + pioLatency;
}
@@ -1649,7 +1619,6 @@ BEGIN_DECLARE_SIM_OBJECT_PARAMS(Device)
Param<Tick> dma_write_factor;
Param<bool> dma_no_allocate;
Param<Tick> pio_latency;
- Param<bool> pio_delay_write;
Param<Tick> intr_delay;
Param<Tick> rx_delay;
@@ -1693,7 +1662,6 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(Device)
INIT_PARAM(dma_write_factor, "multiplier for dma writes"),
INIT_PARAM(dma_no_allocate, "Should we allocat on read in cache"),
INIT_PARAM(pio_latency, "Programmed IO latency in bus cycles"),
- INIT_PARAM(pio_delay_write, ""),
INIT_PARAM(intr_delay, "Interrupt Delay"),
INIT_PARAM(rx_delay, "Receive Delay"),
@@ -1741,7 +1709,6 @@ CREATE_SIM_OBJECT(Device)
params->dma_write_factor = dma_write_factor;
params->dma_no_allocate = dma_no_allocate;
params->pio_latency = pio_latency;
- params->pio_delay_write = pio_delay_write;
params->intr_delay = intr_delay;
params->tx_delay = tx_delay;