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2012-04-03Atomic: Remove the physmem_port and access memory directlyAndreas Hansson
This patch removes the physmem_port from the Atomic CPU and instead uses the system pointer to access the physmem when using the fastmem option. The system already keeps track of the physmem and the valid memory address ranges, and with this patch we merely make use of that existing functionality. As a result of this change, the overloaded getMasterPort in the Atomic CPU can be removed, thus unifying the CPUs.
2012-03-30Ruby: Remove the physMemPort and instead access memory directlyAndreas Hansson
This patch removes the physMemPort from the RubySequencer and instead uses the system pointer to access the physmem. The system already keeps track of the physmem and the valid memory address ranges, and with this patch we merely make use of that existing functionality. The memory is modified so that it is possible to call the access functions (atomic and functional) without going through the port, and the memory is allowed to be unconnected, i.e. have no ports (since Ruby does not attach it like the conventional memory system).
2012-03-28Config: Change the way options are addedNilay Vaish
I am not too happy with the way options are added in files se.py and fs.py currently. This patch moves all the options to the file Options.py, functions from which are called when required.
2012-03-27Config: Move setWorkCountOptions() to Simulation.pyNilay Vaish
The function is presently defined in FSConfig.py, which does not seem to be the correct place for it.
2012-03-16ruby_fs.py: Add call to createInterruptController()Nilay Vaish
2012-03-16FSConfig.py: fix a typo makeLinuxAlphaRubySystemNilay Vaish
2012-03-11se.py: Changes to ruby portion due to SE/FS mergeNilay Vaish
With the SE/FS merge, interrupt controller is created irrespective of the mode. This patch creates the interrupt controller when Ruby is used and connects its ports.
2012-03-09ARM: Fix memory starting at non-zero address and exceeding max mem for a system.Ali Saidi
2012-03-09CheckerCPU: Make CheckerCPU runtime selectable instead of compile selectableGeoffrey Blake
Enables the CheckerCPU to be selected at runtime with the --checker option from the configs/example/fs.py and configs/example/se.py configuration files. Also merges with the SE/FS changes.
2012-03-09cache: Allow main memory to be at disjoint address ranges.Ali Saidi
2012-03-01ARM: Add support for Versatile Express extended memory mapAli Saidi
Also clean up how we create boot loader memory a bit.
2012-03-01x86: Fix switching of CPUsNilay Vaish
This patch prevents creation of interrupt controller for cpus that will be switched in later
2012-03-01Config: make option ruby available alwaysNilay Vaish
2012-02-26Make the IO bridge accept address headed to all the local APICs.Gabe Black
2012-02-14MEM: Fix residual bus ports and make them master/slaveAndreas Hansson
This patch cleans up a number of remaining uses of bus.port which is now split into bus.master and bus.slave. The only non-trivial change is the memtest where the level building now has to be aware of the role of the ports used in the previous level.
2012-02-14Script: Fix the scripts that use the num_cpus cache parameterAndreas Hansson
This patch merely removes the use of the num_cpus cache parameter which no longer exists after the introduction of the masterIds. The affected scripts fail when trying to set the parameter. Note that this patch does not update the regression stats.
2012-02-14MEM: Fix master/slave ports in Ruby and non-regression scriptsAndreas Hansson
This patch brings the Ruby and other scripts up to date with the introduction of the master/slave ports.
2012-02-13MEM: Introduce the master/slave port roles in the Python classesAndreas Hansson
This patch classifies all ports in Python as either Master or Slave and enforces a binding of master to slave. Conceptually, a master (such as a CPU or DMA port) issues requests, and receives responses, and conversely, a slave (such as a memory or a PIO device) receives requests and sends back responses. Currently there is no differentiation between coherent and non-coherent masters and slaves. The classification as master/slave also involves splitting the dual role port of the bus into a master and slave port and updating all the system assembly scripts to use the appropriate port. Similarly, the interrupt devices have to have their int_port split into a master and slave port. The intdev and its children have minimal changes to facilitate the extra port. Note that this patch does not enforce any port typing in the C++ world, it merely ensures that the Python objects have a notion of the port roles and are connected in an appropriate manner. This check is carried when two ports are connected, e.g. bus.master = memory.port. The following patches will make use of the classifications and specialise the C++ ports into masters and slaves.
2012-02-12configs: fix minor config bugs posted on the mailing listAli Saidi
2012-02-12prefetcher: Make prefetcher a sim object instead of it being a parameter on ↵Mrinmoy Ghosh
cache
2012-02-05X86: Rename the bridge which allows commnication back to the local APICs.Gabe Black
There was a collision with a name used in fs.py, and that causes that script not to work when used with x86.
2012-02-01configs: More fixes for the memory system updatesAli Saidi
2012-01-30Merge with main repository.Gabe Black
2012-01-30Ruby: Connect system port in Ruby network testAndreas Hansson
This patch moves the connection of the system port to create_system in Ruby.py. Thereby it allows the failing Ruby test (and other Ruby systems) to run again.
2012-01-29Yet another merge with the main repository.Gabe Black
--HG-- rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/config.ini => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/config.ini rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/simout => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/simout rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/stats.txt => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/stats.txt rename : tests/long/10.linux-boot/ref/x86/linux/pc-o3-timing/system.pc.com_1.terminal => tests/long/fs/10.linux-boot/ref/x86/linux/pc-o3-timing/system.pc.com_1.terminal rename : tests/long/00.gzip/ref/x86/linux/o3-timing/config.ini => tests/long/se/00.gzip/ref/x86/linux/o3-timing/config.ini rename : tests/long/00.gzip/ref/x86/linux/o3-timing/simout => tests/long/se/00.gzip/ref/x86/linux/o3-timing/simout rename : tests/long/00.gzip/ref/x86/linux/o3-timing/stats.txt => tests/long/se/00.gzip/ref/x86/linux/o3-timing/stats.txt rename : tests/long/10.mcf/ref/x86/linux/o3-timing/config.ini => tests/long/se/10.mcf/ref/x86/linux/o3-timing/config.ini rename : tests/long/10.mcf/ref/x86/linux/o3-timing/simout => tests/long/se/10.mcf/ref/x86/linux/o3-timing/simout rename : tests/long/10.mcf/ref/x86/linux/o3-timing/stats.txt => tests/long/se/10.mcf/ref/x86/linux/o3-timing/stats.txt rename : tests/long/20.parser/ref/x86/linux/o3-timing/config.ini => tests/long/se/20.parser/ref/x86/linux/o3-timing/config.ini rename : tests/long/20.parser/ref/x86/linux/o3-timing/simout => tests/long/se/20.parser/ref/x86/linux/o3-timing/simout rename : tests/long/20.parser/ref/x86/linux/o3-timing/stats.txt => tests/long/se/20.parser/ref/x86/linux/o3-timing/stats.txt rename : tests/long/70.twolf/ref/x86/linux/o3-timing/config.ini => tests/long/se/70.twolf/ref/x86/linux/o3-timing/config.ini rename : tests/long/70.twolf/ref/x86/linux/o3-timing/simout => tests/long/se/70.twolf/ref/x86/linux/o3-timing/simout rename : tests/long/70.twolf/ref/x86/linux/o3-timing/stats.txt => tests/long/se/70.twolf/ref/x86/linux/o3-timing/stats.txt rename : tests/quick/00.hello/ref/x86/linux/o3-timing/config.ini => tests/quick/se/00.hello/ref/x86/linux/o3-timing/config.ini rename : tests/quick/00.hello/ref/x86/linux/o3-timing/simout => tests/quick/se/00.hello/ref/x86/linux/o3-timing/simout rename : tests/quick/00.hello/ref/x86/linux/o3-timing/stats.txt => tests/quick/se/00.hello/ref/x86/linux/o3-timing/stats.txt
2012-01-28Config: Enable O3 CPU and Ruby in FS modeNilay Vaish
2012-01-28SE/FS: Get rid of FULL_SYSTEM in the configs directoryGabe Black
2012-01-28SE/FS: Make SE vs. FS mode a runtime parameter.Gabe Black
2012-01-26configs: actually add ARMv7a-like cpu/cache fileRonald Dreslinski
2012-01-26configs: A more realistic configuration of an ARM-like processorRonald Dreslinski
2012-01-25MEM: Fix fs.py by specifying the range size rather than endAndreas Hansson
This patch fixes the currently broken fs.py by specifying the size of the bridge range rather than the end address. This effectively subtracts one when determining the address range for the IO bridge (from IO bus to membus), and thus avoids the overlapping ranges.
2012-01-23Config: Enable using O3 CPU and Ruby in SE modeNilay Vaish
2012-01-23O3, Ruby: Forward invalidations from Ruby to O3 CPUNilay Vaish
This patch implements the functionality for forwarding invalidations and replacements from the L1 cache of the Ruby memory system to the O3 CPU. The implementation adds a list of ports to RubyPort. Whenever a replacement or an invalidation is performed, the L1 cache forwards this to all the ports, which is the LSQ in case of the O3 CPU.
2012-01-17MEM: Removing the default port peer from Python portsAndreas Hansson
In preparation for the introduction of Master and Slave ports, this patch removes the default port parameter in the Python port and thus forces the argument list of the Port to contain only the description. The drawback at this point is that the config port and dma port of PCI and DMA devices have to be connected explicitly. This is key for future diversification as the pio and config port are slaves, but the dma port is a master.
2012-01-17MEM: Make the bus bridge unidirectional and fixed address rangeAndreas Hansson
This patch makes the bus bridge uni-directional and specialises the bus ports to be a master port and a slave port. This greatly simplifies the assumptions on both sides as either port only has to deal with requests or responses. The following patches introduce the notion of master and slave ports, and would not be possible without this split of responsibilities. In making the bridge unidirectional, the address range mechanism of the bridge is also changed. For the cases where communication is taking place both ways, an additional bridge is needed. This causes issues with the existing mechanism, as the busses cannot determine when to stop iterating the address updates from the two bridges. To avoid this issue, and also greatly simplify the specification, the bridge now has a fixed set of address ranges, specified at creation time.
2012-01-17MEM: Add port proxies instead of non-structural portsAndreas Hansson
Port proxies are used to replace non-structural ports, and thus enable all ports in the system to correspond to a structural entity. This has the advantage of accessing memory through the normal memory subsystem and thus allowing any constellation of distributed memories, address maps, etc. Most accesses are done through the "system port" that is used for loading binaries, debugging etc. For the entities that belong to the CPU, e.g. threads and thread contexts, they wrap the CPU data port in a port proxy. The following replacements are made: FunctionalPort > PortProxy TranslatingPort > SETranslatingPortProxy VirtualPort > FSTranslatingPortProxy --HG-- rename : src/mem/vport.cc => src/mem/fs_translating_port_proxy.cc rename : src/mem/vport.hh => src/mem/fs_translating_port_proxy.hh rename : src/mem/translating_port.cc => src/mem/se_translating_port_proxy.cc rename : src/mem/translating_port.hh => src/mem/se_translating_port_proxy.hh
2012-01-11Ruby: Use map option for selecting b/w sparse and memory vectorNilay Vaish
2012-01-11Config: Add support for restoring using a timing CPUNilay Vaish
Currently there is an assumption that restoration from a checkpoint will happen by first restoring to an atomic CPU and then switching to a timing CPU. This patch adds support for directly restoring to a timing CPU. It adds a new option '--restore-with-cpu' which is used to specify the type of CPU to which the checkpoint should be restored to. It defaults to 'atomic' which was the case before.
2012-01-10Ruby: remove the files related to the tracerNilay Vaish
The Ruby Tracer is out of date with the changes that are being carried out to support checkpointing. Hence, it needs to be removed.
2012-01-10Config: Remove short option string for cpu typeNilay Vaish
2012-01-09ARM: Add support for running multiple systemsAli Saidi
2012-01-09ARM: Add support for initparam m5 opAli Saidi
2012-01-09cpu2000: Add missing art benchmark to allAli Saidi
2012-01-07Ruby Cache: Add param for marking caches as instruction onlyNilay Vaish
2012-01-05Config: Add an option of type 'choice' for cpu typeNilay Vaish
This patch adds a new option for cpu type. This option is of type 'choice' which is similar to a C++ enum, except that it takes string values as possible choices. Following options are being removed -- detailed, timing, inorder. --HG-- extra : rebase_source : 58885e2e8a88b6af8e6ff884a5922059dbb1a6cb
2011-12-15ARM: Update config files for Android/BBench images available on website.Anthony Gutierrez
--HG-- extra : rebase_source : ca98021c3f96422374fbd4500da312a5a9dd00df
2011-12-01config: command line option to specify ruby output filegloh
--HG-- extra : rebase_source : df2237b2ce01b1a3e1d6f112a62deadde4d92420
2011-12-01VNC: Add support for capturing frame buffer to file each time it is changed.Chris Emmons
When a change in the frame buffer from the VNC server is detected, the new frame is stored out to the m5out/frames_*/ directory. Specifiy the flag "--frame-capture" when running configs/example/fs.py to enable this behavior. --HG-- extra : rebase_source : d4e08e83f4fa6ff79f3dc9c433fc1f0487e057fc
2011-12-01O3: Remove hardcoded tgts_per_mshr in O3CPU.py.Chander Sudanthi
There are two lines in O3CPU.py that set the dcache and icache tgts_per_mshr to 20, ignoring any pre-configured value of tgts_per_mshr. This patch removes these hardcoded lines from O3CPU.py and sets the default L1 cache mshr targets to 20. --HG-- extra : rebase_source : 6f92d950e90496a3102967442814e97dc84db08b
2011-11-04GARNET: adding a fault model for resilient on-chip network research.Tushar Krishna
This patch adds a fault model, which provides the probability of a number of architectural faults in the interconnection network (e.g., data corruption, misrouting). These probabilities can be used to realistically inject faults in GARNET and faithfully evaluate the effectiveness of novel resilient NoC architectures.
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