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2015-04-13x86: implements x87 mult/div instructionsNilay Vaish
2015-04-13ruby: allow restoring from checkpoint when using DRAMCtrlLena Olson
Restoring from a checkpoint with ruby + the DRAMCtrl memory model was not working, because ruby and DRAMCtrl disagreed on the current tick during warmup. Since there is no reason to do timing requests during warmup, use functional requests instead. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2015-04-13sim: Use NULL instead of None for testing filenames.Nilay Vaish
The filenames are initialized with NULL. So the test should be checking for them to be == NULL instead == None.
2015-04-13sim: fix function for emulating dup()Nilay Vaish
The function was using the host fd to obtain the fd object from the simulated process.
2015-04-08config: Support full-system with SST's memory systemCurtis Dunham
This patch adds an example configuration in ext/sst/tests/ that allows an SST/gem5 instance to simulate a 4-core AArch64 system with SST's memHierarchy components providing all the caches and memories.
2015-04-08ext: Add SST connectorCurtis Dunham
This patch adds a connector that allows gem5 to be used as a component in SST (Structural Simulation Toolkit, sst-simulator.org). At a high level, this allows memory traffic to pass between the two simulators. SST Links are roughly analogous to gem5 Ports, although Links do not have a notion of master and slave. This distinction is important to gem5, so when connecting a gem5 CPU to an SST cache, an ExternalSlave must be used, and similarly when connecting the memory side of SST cache to a gem5 port (for memory <-> I/O), an ExternalMaster must be used. These connectors handle the administrative aspects of gem5 (initialization, simulation, shutdown) as well as translating SST's MemEvents into gem5 Packets and vice-versa.
2015-04-03stats: updates due to recent changesets.Nilay Vaish
2015-04-03dev: (un)serialize fix for the RTC and RTC Timer Interrupt eventsNikos Nikoleris
Restoring from a checkpoint fails if either the RTC or the RTC Timer Interrrupt event is disabled. The restored machine tried incorrectly to schedule the next event with negative offset. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2015-04-03sim: correct check for endianessRuslan Bukin
Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2015-04-03dev: Extend access width for IDE control registersRuslan Bukin
Add 32-bit access width for PrimaryTiming register and 16bit for UDMAControl register as FreeBSD required. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2015-04-03cpu: fix system total instructions accountingNikos Nikoleris
The totalInstructions counter is only incremented when the whole instruction is commited and not on every microop. It was incorrectly reset in atomic and timing cpus. Committed by: Nilay Vaish <nilay@cs.wisc.edu>"
2015-04-03x86: fix debug trace output for mwaitLena Olson
When running with the Exec flag, the mwait instruction attempted to print out its source registers, which were never actually initialized. This led to sporadic assertion failures when the value stored there was invalid. Committed by: Nilay Vaish <nilay@cs.wisc.edu>
2015-03-27arm, configs: Do not forward snoops from I cacheAndreas Hansson
This fix simply tells the I cache to not forward snoops to the fetch unit (since there is really no reason to do so).
2015-03-27mem: Support any number of master-IDs in stride prefetcherStephan Diestelhorst
The stride prefetcher had a hardcoded number of contexts (i.e. master-IDs) that it could handle. Since master IDs need to be unique per system, and every core, cache etc. requires a separate master port, a static limit on these does not make much sense. Instead, this patch adds a small hash map that will map all master IDs to the right prefetch state and dynamically allocates new state for new master IDs.
2015-03-27mem: Allocate cache writebacks before new MSHRsAndreas Hansson
This patch changes the order of writeback allocation such that any writebacks resulting from a tag lookup (e.g. for an uncacheable access), are added to the writebuffer before any new MSHR entries are allocated. This ensures that the writebacks logically precedes the new allocations. The patch also changes the uncacheable flush to use proper timed (or atomic) writebacks, as opposed to functional writes.
2015-03-27mem: Cleanup flow for uncacheable accessesAndreas Hansson
This patch simplifies the code dealing with uncacheable timing accesses, aiming to align it with the existing miss handling. Similar to what we do in atomic, a timing request now goes through Cache::access (where the block is also flushed), and then proceeds to ignore any existing MSHR for the block in question. This unifies the flow for cacheable and uncacheable accesses, and for atomic and timing.
2015-03-27mem: Ignore uncacheable MSHRs when finding matchesAndreas Hansson
This patch changes how we search for matching MSHRs, ignoring any MSHR that is allocated for an uncacheable access. By doing so, this patch fixes a corner case in the MSHRs where incorrect data ended up being copied into a (cacheable) read packet due to a first uncacheable MSHR target of size 4, followed by a cacheable target to the same MSHR of size 64. The latter target was filled with nonsense data.
2015-03-27mem: Remove redundant allocateUncachedReadBuffer in cacheAndreas Hansson
This patch removes the no-longer-needed allocateUncachedReadBuffer. Besides the checks it is exactly the same as allocateMissBuffer and thus provides no value.
2015-03-27mem: Modernise MSHR iterators to C++11Andreas Hansson
This patch updates the iterators in the MSHR and MSHR queues to use C++11 range-based for loops. It also does a bit of additional house keeping.
2015-03-27tests: Update stats for cache block alignmentAndreas Hansson
2015-03-27mem: Align all MSHR entries to block boundariesAndreas Hansson
This patch aligns all MSHR queue entries to block boundaries to simplify checks for matches. Previously there were corner cases that could lead to existing entries not being identified as matches. There are, rather alarmingly, a few regressions that change with this patch.
2015-03-27mem: Rename PREFETCH_SNOOP_SQUASH flag to BLOCK_CACHEDAli Jafri
This patch subsumes the PREFETCH_SNOOP_SQUASH flag with the more generic BLOCK_CACHED flag. Future patches implementing cache eviction messages can use the BLOCK_CACHED flag in almost the same manner as hardware prefetches use the PREFETCH_SNOOP_SQUASH flag. The PREFTECH_SNOOP_FLAG is set if the prefetch target is found in the tags or the MSHRs in any state, so we are simply replacing calls to setPrefetchSquashed() with setBlockCached(). The case of where the prefetch target is found in the writeback MSHRs of upper level caches continues to be covered by the MEM_INHIBIT flag.
2015-03-26sim: Update limit_event reuse to final versionCurtis Dunham
Matching final version on reviewboard.
2015-03-26cpu: Fix InstPBTrace inheritanceAndreas Hansson
This patch fixes an issue that prevented gem5 to be built with C++ config and without Python.
2015-03-23mem: rename Locked/LOCKED to LockedRMW/LOCKED_RMWSteve Reinhardt
Makes x86-style locked operations even more distinct from LLSC operations. Using "locked" by itself should be obviously ambiguous now.
2015-03-23config: expand '~' and '~user' in pathsSteve Reinhardt
2015-03-23misc: quote args in echoed command lineSteve Reinhardt
Currently if there are shell special characters in a command-line argument, you can't copy and paste the echoed command line onto a shell prompt because the characters aren't quoted properly. This patch fixes that problem.
2015-03-23config: Add ability to exit simulation after initializationCurtis Dunham
When using gem5 as a slave simulator, it will not advance the clock on its own and depends on the master simulator calling simulate(). This new option lets us use the Python scripts to do all the configuration while stopping short of actually simulating anything.
2015-03-23sim: Reuse the same limit_event in simulate()Curtis Dunham
This patch accomplishes two things: 1. Makes simulate()'s GlobalSimLoopExitEvent a singleton reused across calls. This is slightly more efficient than recreating it every time. 2. Gives callers to simulate() (especially other simulators) a foolproof way of knowing that the simulation period ended successfully by hitting the limit event. They can call getLimitEvent() and compare it to the return value of simulate(). This change was motivated by an ongoing effort to integrate gem5 and SST, with SST as the master sim and gem5 as the slave sim.
2015-03-23mem: Tidy up RequestAndreas Hansson
This patch does a bit of house keeping, fixing up typos, removing dead code etc.
2015-03-23tests: Final reclassification of quick regressionsAndreas Hansson
A few regressions were still considered long, but finished well within the 180 seconds. They are only a handful (mostly mcf in atomic). --HG-- rename : tests/long/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/config.ini => tests/quick/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/config.ini rename : tests/long/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/simerr => tests/quick/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/simerr rename : tests/long/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/simout => tests/quick/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/simout rename : tests/long/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/stats.txt => tests/quick/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/stats.txt rename : tests/long/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/system.terminal => tests/quick/fs/10.linux-boot/ref/arm/linux/realview-switcheroo-timing/system.terminal rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/chair.cook.ppm => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/chair.cook.ppm rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/config.ini => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/config.ini rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/mcf.out => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/mcf.out rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/simerr => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/simerr rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/simout => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/simout rename : tests/long/se/10.mcf/ref/arm/linux/simple-atomic/stats.txt => tests/quick/se/10.mcf/ref/arm/linux/simple-atomic/stats.txt rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/chair.cook.ppm => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/chair.cook.ppm rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/config.ini => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/config.ini rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/mcf.out => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/mcf.out rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/simerr => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/simerr rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/simout => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/simout rename : tests/long/se/10.mcf/ref/arm/linux/simple-timing/stats.txt => tests/quick/se/10.mcf/ref/arm/linux/simple-timing/stats.txt rename : tests/long/se/10.mcf/ref/sparc/linux/simple-atomic/config.ini => tests/quick/se/10.mcf/ref/sparc/linux/simple-atomic/config.ini rename : tests/long/se/10.mcf/ref/sparc/linux/simple-atomic/mcf.out => tests/quick/se/10.mcf/ref/sparc/linux/simple-atomic/mcf.out rename : tests/long/se/10.mcf/ref/sparc/linux/simple-atomic/simerr => tests/quick/se/10.mcf/ref/sparc/linux/simple-atomic/simerr rename : tests/long/se/10.mcf/ref/sparc/linux/simple-atomic/simout => tests/quick/se/10.mcf/ref/sparc/linux/simple-atomic/simout rename : tests/long/se/10.mcf/ref/sparc/linux/simple-atomic/stats.txt => tests/quick/se/10.mcf/ref/sparc/linux/simple-atomic/stats.txt rename : tests/long/se/10.mcf/ref/x86/linux/simple-atomic/config.ini => tests/quick/se/10.mcf/ref/x86/linux/simple-atomic/config.ini rename : tests/long/se/10.mcf/ref/x86/linux/simple-atomic/mcf.out => tests/quick/se/10.mcf/ref/x86/linux/simple-atomic/mcf.out rename : tests/long/se/10.mcf/ref/x86/linux/simple-atomic/simerr => tests/quick/se/10.mcf/ref/x86/linux/simple-atomic/simerr rename : tests/long/se/10.mcf/ref/x86/linux/simple-atomic/simout => tests/quick/se/10.mcf/ref/x86/linux/simple-atomic/simout rename : tests/long/se/10.mcf/ref/x86/linux/simple-atomic/stats.txt => tests/quick/se/10.mcf/ref/x86/linux/simple-atomic/stats.txt rename : tests/long/se/10.mcf/test.py => tests/quick/se/10.mcf/test.py rename : tests/long/se/30.eon/ref/alpha/tru64/simple-atomic/config.ini => tests/quick/se/30.eon/ref/alpha/tru64/simple-atomic/config.ini rename : tests/long/se/30.eon/ref/alpha/tru64/simple-atomic/simerr => tests/quick/se/30.eon/ref/alpha/tru64/simple-atomic/simerr rename : tests/long/se/30.eon/ref/alpha/tru64/simple-atomic/simout => tests/quick/se/30.eon/ref/alpha/tru64/simple-atomic/simout rename : tests/long/se/30.eon/ref/alpha/tru64/simple-atomic/stats.txt => tests/quick/se/30.eon/ref/alpha/tru64/simple-atomic/stats.txt rename : tests/long/se/30.eon/test.py => tests/quick/se/30.eon/test.py
2015-03-19stats: update Minor stats due to PF bug fixSteve Reinhardt
A recent changeset of mine (http://repo.gem5.org/gem5/rev/4cfe55719da5) inadvertently fixed a bug in the Minor CPU model which caused it to treat software prefetches as regular loads. Prior to this changeset, Minor did an ad-hoc generation of memory commands that left out the PF check; because it now uses the common code that the other CPU models use, it generates prefetches properly. These stat changes reflect the fact that the Minor model now issues SoftPFReqs.
2015-03-19tests: Recategorise regressions based on run timeAndreas Hansson
This patch takes a first stab at recategorising the regression tests based on actual run times. The simple-atomic and simple-timing runs of vortex and twolf all finish in less than 180 s, and they are consequently moved from long to quick. All realview64 linux-boot regressions take more than 700 s, and they are therefore moved to long. Later patches will rename quick to short, and further divide the regressions into short, medium and long. --HG-- rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/config.ini => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/config.ini rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/simerr => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/simerr rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/simout => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/simout rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/stats.txt => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/stats.txt rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/system.terminal => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic-dual/system.terminal rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/config.ini => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/config.ini rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/simerr => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/simerr rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/simout => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/simout rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/stats.txt => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/stats.txt rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/system.terminal => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-atomic/system.terminal rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/config.ini => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/config.ini rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/simerr => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/simerr rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/simout => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/simout rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/stats.txt => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/stats.txt rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/system.terminal => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing-dual/system.terminal rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/config.ini => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/config.ini rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/simerr => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/simerr rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/simout => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/simout rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/stats.txt => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/stats.txt rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/system.terminal => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-simple-timing/system.terminal rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/config.ini => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/config.ini rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/simerr => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/simerr rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/simout => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/simout rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/stats.txt => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/stats.txt rename : tests/quick/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/system.terminal => tests/long/fs/10.linux-boot/ref/arm/linux/realview64-switcheroo-atomic/system.terminal rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/config.ini => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/config.ini rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/simerr => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/simerr rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/simout => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/simout rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/smred.msg => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/smred.msg rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/smred.out => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/smred.out rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-atomic/stats.txt => tests/quick/se/50.vortex/ref/alpha/tru64/simple-atomic/stats.txt rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/config.ini => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/config.ini rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/simerr => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/simerr rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/simout => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/simout rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/smred.msg => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/smred.msg rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/smred.out => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/smred.out rename : tests/long/se/50.vortex/ref/alpha/tru64/simple-timing/stats.txt => tests/quick/se/50.vortex/ref/alpha/tru64/simple-timing/stats.txt rename : tests/long/se/50.vortex/ref/arm/linux/simple-atomic/config.ini => tests/quick/se/50.vortex/ref/arm/linux/simple-atomic/config.ini rename : tests/long/se/50.vortex/ref/arm/linux/simple-atomic/simerr => tests/quick/se/50.vortex/ref/arm/linux/simple-atomic/simerr rename : tests/long/se/50.vortex/ref/arm/linux/simple-atomic/simout => tests/quick/se/50.vortex/ref/arm/linux/simple-atomic/simout rename : tests/long/se/50.vortex/ref/arm/linux/simple-atomic/smred.out => tests/quick/se/50.vortex/ref/arm/linux/simple-atomic/smred.out rename : tests/long/se/50.vortex/ref/arm/linux/simple-atomic/stats.txt => tests/quick/se/50.vortex/ref/arm/linux/simple-atomic/stats.txt rename : tests/long/se/50.vortex/ref/arm/linux/simple-timing/config.ini => tests/quick/se/50.vortex/ref/arm/linux/simple-timing/config.ini rename : tests/long/se/50.vortex/ref/arm/linux/simple-timing/simerr => tests/quick/se/50.vortex/ref/arm/linux/simple-timing/simerr rename : tests/long/se/50.vortex/ref/arm/linux/simple-timing/simout => tests/quick/se/50.vortex/ref/arm/linux/simple-timing/simout rename : tests/long/se/50.vortex/ref/arm/linux/simple-timing/smred.out => tests/quick/se/50.vortex/ref/arm/linux/simple-timing/smred.out rename : tests/long/se/50.vortex/ref/arm/linux/simple-timing/stats.txt => tests/quick/se/50.vortex/ref/arm/linux/simple-timing/stats.txt rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/config.ini => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/config.ini rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/simerr => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/simerr rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/simout => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/simout rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/smred.msg => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/smred.msg rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/smred.out => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/smred.out rename : tests/long/se/50.vortex/ref/sparc/linux/simple-atomic/stats.txt => tests/quick/se/50.vortex/ref/sparc/linux/simple-atomic/stats.txt rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/config.ini => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/config.ini rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/simerr => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/simerr rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/simout => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/simout rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/smred.msg => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/smred.msg rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/smred.out => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/smred.out rename : tests/long/se/50.vortex/ref/sparc/linux/simple-timing/stats.txt => tests/quick/se/50.vortex/ref/sparc/linux/simple-timing/stats.txt rename : tests/long/se/50.vortex/test.py => tests/quick/se/50.vortex/test.py rename : tests/long/se/70.twolf/ref/alpha/tru64/simple-atomic/config.ini => tests/quick/se/70.twolf/ref/alpha/tru64/simple-atomic/config.ini rename : tests/long/se/70.twolf/ref/alpha/tru64/simple-atomic/simerr => tests/quick/se/70.twolf/ref/alpha/tru64/simple-atomic/simerr rename : tests/long/se/70.twolf/ref/alpha/tru64/simple-atomic/simout => tests/quick/se/70.twolf/ref/alpha/tru64/simple-atomic/simout rename : 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tests/quick/se/70.twolf/ref/x86/linux/simple-timing/simerr rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/simout => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/simout rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.out => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.out rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.pin => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.pin rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.pl1 => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.pl1 rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.pl2 => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.pl2 rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.sav => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.sav rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.sv2 => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.sv2 rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/smred.twf => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/smred.twf rename : tests/long/se/70.twolf/ref/x86/linux/simple-timing/stats.txt => tests/quick/se/70.twolf/ref/x86/linux/simple-timing/stats.txt rename : tests/long/se/70.twolf/test.py => tests/quick/se/70.twolf/test.py
2015-03-19test, arm: Add scripts to test checkpointsAndreas Sandberg
Add a set of scripts to automatically test checkpointing in the regression framework. The checkpointing tests are similar to the switcheroo tests, but instead of switching between CPUs, they checkpoint the system and restore from the checkpoint again. This is done at regular intervals, typically while booting Linux. The implementation is fairly straight forward, with the exception that we have to work around gem5's inability to restore from a checkpoint after a system has been instantiated. We work around this by forking off child processes that does the actual simulation and never instantiate a system in the parent process unless a maximum checkpoint count is reached (in which case we just simulate the system to completion in the parent). Checkpoint testing is currently only enabled 32- and 64-bit ARM systems using atomic CPUs. Note: An unfortunate side-effect of forking is that every new process will overwrite the stats and terminal output from the previous process. This means that the output directory only contains data from the last checkpoint.
2015-03-19config: Add soak test for memtest.pyAndreas Hansson
This patch adds a random option to memtest.py which allows the user to easily test valid random tree topologies. The patch also adds a wrapper script to run soak tests using the newly introduced option. We also adjust the progress interval and progress limit check to make the output less noisy, and avoid false positives. Bring on the pain.
2015-03-19arm: Add a GICv2m deviceMatt Evans
This patch adds a new PIO-accessible GICv2m shim. This shim has a PIO slave port on one side, and SPI 'wires' on the other. It accepts MSIs from the system and triggers SPIs on the GIC. It is configurable with a number of frames, each of which has a number of SPIs and a base SPI offset. A Linux driver for GICv2m is available upstream.
2015-03-19arm: Remove the 'magic MSI register' in the GIC (PL390)Matt Evans
This patch removes the code that added this magic register. A follow-up patch provides a GICv2m MSI shim that gives the same functionality in a standard ARM system architecture way.
2015-03-19config: Specify OS type and release on command lineChris Emmons
This patch enables users to speficy --os-type on the command line. This option is used to take specific actions for an OS type, such as changing the kernel command line. This patch is part of the Android KitKat enablement.
2015-03-19cpu: Fix TrafficGen message formatWendy Elsasser
Fix erroneous message format for fatal error. Previously, code did not have type indicator (% instead of %d). Also removed redundant fatal check. Ran modified sweep.py with in range and out of range values to test.
2015-03-19mem: Use emplace front/back for deferred packetsAndreas Hansson
Embrace C++11 for the deferred packets as we actually store the objects in the data structure, and not just pointers.
2015-03-19mem: Enable CommMonitor to output traces in atomic modeGeoffrey Blake
The CommMonitor by default only allows memory traces to be gathered in timing mode. This patch allows memory traces to be gathered in atomic mode if all one needs is a functional trace of memory addresses used and timing information is of a secondary concern.
2015-03-19config: Fix DRAM rank option in sweep scriptAndreas Hansson
Align with changes in the common bits.
2015-03-19tests: Bump timeout to 5 hoursAndreas Hansson
Align with observed run-times just above 4 hours for some hosts.
2015-02-11mem: remove redundant test in in Cache::recvTimingResp()Steve Reinhardt
For some reason we were checking mshr->hasTargets() even though we had already called mshr->getTarget() unconditionally earlier in the same function (which asserts if there are no targets). Get rid of this useless check, and while we're at it get rid of the redundant call to mshr->getTarget(), since we still have the value saved in a local var.
2015-02-11mem: add local var in Cache::recvTimingResp()Steve Reinhardt
The main loop in recvTimingResp() uses target->pkt all over the place. Create a local tgt_pkt to help keep lines under the line length limit.
2015-02-11mem: restructure Packet cmd initialization a bit moreSteve Reinhardt
Refactor the way that specific MemCmd values are generated for packets. The new approach is a little more elegant in that we assign the right value up front, and it's also more amenable to non-heap-allocated Packet objects. Also replaced the code in the Minor model that was still doing it the ad-hoc way. This is basically a refinement of http://repo.gem5.org/gem5/rev/711eb0e64249.
2015-03-14mem: clean up write buffer check in Cache::handleSnoop()Steve Reinhardt
The 'if (writebacks.size)' check was redundant, because writeBuffer.findMatches() would return false if the writebacks list was empty. Also renamed 'mshr' to 'wb_entry' in this context since we are pointing at a writebuffer entry and not an MSHR (even though it's the same C++ class).
2015-03-09tests: remove not maintained 20.eio-short detailed testNilay Vaish
2015-03-09stats: changes to due to recent set of patchesNilay Vaish
2015-03-09config: Fix for 'android' lookup in disk nameRizwana Begum
This patch modifies FSConfig.py to look for 'android' only in disk image name. Before this patch, 'android' was searched in full disk path. Committed by: Nilay Vaish <nilay@cs.wisc.edu>