sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Minor tweaks to make a switchover at tick N match

Browse source 
restarting from a checkpoint at tick N.

cpu/simple_cpu/simple_cpu.cc:
    On a CPU switchover, schedule the new CPU's first tick event
    for curTick+1 instead of curTick.

--HG--
extra : convert_revision : f0757d6f028214d36c1cff992db688fd6e8a6fdc
This commit is contained in:
Steve Reinhardt 2003-12-09 14:21:38 -08:00
parent f13509e968
commit 5e360051cf
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
cpu/simple_cpu/simple_cpu.cc
View file

@ -193,7 +193,11 @@ SimpleCPU::takeOverFrom(BaseCPU *oldCPU)
ExecContext *xc = execContexts[i]; ExecContext *xc = execContexts[i];
if (xc->status() == ExecContext::Active && _status != Running) { if (xc->status() == ExecContext::Active && _status != Running) {
_status = Running; _status = Running;
tickEvent.schedule(curTick); // the CpuSwitchEvent has a low priority, so it's
// scheduled *after* the current cycle's tick event. Thus
// the first tick event for the new context should take
// place on the *next* cycle.
tickEvent.schedule(curTick+1);
} }
} }
@ -790,3 +794,4 @@ CREATE_SIM_OBJECT(SimpleCPU)
} }
REGISTER_SIM_OBJECT("SimpleCPU", SimpleCPU) REGISTER_SIM_OBJECT("SimpleCPU", SimpleCPU)