From fcaafdc48cc624825760cb3ba7bbc28e5db6acfa Mon Sep 17 00:00:00 2001 From: Kevin Lim Date: Mon, 10 Jul 2006 15:40:28 -0400 Subject: Add parameters for backwards and forwards sizes for time buffers. src/base/timebuf.hh: Add a function to return the size of the time buffer. --HG-- extra : convert_revision : 8ffacd8b9013eb76264df065244e00dc1460efd4 --- src/cpu/o3/cpu.cc | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) (limited to 'src/cpu/o3/cpu.cc') diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc index a9a1a7c9b..d53859b8b 100644 --- a/src/cpu/o3/cpu.cc +++ b/src/cpu/o3/cpu.cc @@ -141,15 +141,14 @@ FullO3CPU::FullO3CPU(Params *params) TheISA::NumMiscRegs * number_of_threads, TheISA::ZeroReg), - // For now just have these time buffers be pretty big. - // @todo: Make these time buffer sizes parameters or derived - // from latencies - timeBuffer(5, 5), - fetchQueue(5, 5), - decodeQueue(5, 5), - renameQueue(5, 5), - iewQueue(5, 5), - activityRec(NumStages, 10, params->activity), + timeBuffer(params->backComSize, params->forwardComSize), + fetchQueue(params->backComSize, params->forwardComSize), + decodeQueue(params->backComSize, params->forwardComSize), + renameQueue(params->backComSize, params->forwardComSize), + iewQueue(params->backComSize, params->forwardComSize), + activityRec(NumStages, + params->backComSize + params->forwardComSize, + params->activity), globalSeqNum(1), @@ -214,7 +213,6 @@ FullO3CPU::FullO3CPU(Params *params) commit.setIEWQueue(&iewQueue); commit.setRenameQueue(&renameQueue); - commit.setFetchStage(&fetch); commit.setIEWStage(&iew); rename.setIEWStage(&iew); rename.setCommitStage(&commit); @@ -851,7 +849,7 @@ void FullO3CPU::takeOverFrom(BaseCPU *oldCPU) { // Flush out any old data from the time buffers. - for (int i = 0; i < 10; ++i) { + for (int i = 0; i < timeBuffer.getSize(); ++i) { timeBuffer.advance(); fetchQueue.advance(); decodeQueue.advance(); -- cgit v1.2.3