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2016-07-21cpu: Add SMT support to MinorCPUMitch Hayenga
This patch adds SMT support to the MinorCPU. Currently RoundRobin or Random thread scheduling are supported. Change-Id: I91faf39ff881af5918cca05051829fc6261f20e3
2016-07-01misc: merge with sytle checker fixJason Lowe-Power
Oops.
2016-07-01misc: SystemC Elastic Trace Player Example.Matthias Jung
This patch adds an example configuration for elastic trace playing into the SystemC world, similar to the already existing traffic generator example in /util/tlm. Committed by Jason Lowe-Power <jason@lowepower.com>
2016-07-01misc: fix a compile error due to incompability with SystemC 2.3.1Christian Menard
This patch fixes an ambigous call compile error Committed by Jason Lowe-Power <jason@lowepower.com>
2016-07-01style: Fix incorrect references style verifiersAndreas Sandberg
The style checker for spacing around control statements (ControlSpace) and the whitespace checker (Whitespace) didn't refer to some of their configuration variables correctly. This changeset fixes those issues. Reported-by: Jason Lowe-Power <power.jg@gmail.com> --HG-- extra : amend_source : 05d82d27d4c42aacd78b514d3ca35ca5744164bb
2016-07-01misc: Separate stats file for SystemC-gem5 co-simulationAbdul Mutaal Ahmad
In previous versions of systemC-gem5 coupling statistics were not updated for the systemc-gem5 simulation. systemC-gem5 simulation only need the previously built config.ini file and normal gem5 simulation has to be run once to generate config.ini file. Thus stats.txt inside the m5out folder is redundant for systemC-gem5 simulation. A new stats file is now generated with the all the statistics for systemC-gem5 simulation. This will also resolve the stats issue in tlm-sysmtemC simulation. Committed by Jason Lowe-Power <jason@lowepower.com>
2016-06-20style: catch trailing white spaces in make and dts filesGabor Dozsa
Change-Id: I2a4f1893919660e51599902b972a6f3f5717e305 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-08dist, dev: Fixed the packet ordering in etherswitchMohammad Alian
This patch fixes the order that packets gets pushed into the output fifo of etherswitch. If two packets arrive at the same tick to the etherswitch, we sort and push them based on their source port id. In dist-gem5 simulations, if there is no ordering inforced while two packets arrive at the same tick, it can lead to non-deterministic simulations Committed by Jason Lowe-Power <power.jg@gmail.com>
2016-06-02style: remove extra newline from white space verifier fix methodGabor Dozsa
Change-Id: I7bce7d1cb04efe20d31445eb67ea5ffd2a4a41f4 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-02style: respect per verifier ignores for git commitGabor Dozsa
Change-Id: Id00379bdb17594e627ee49c077fb75f499ea550e Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-06-02style: Move the last bits of file_types.py to the style packageAndreas Sandberg
The commit that refactored the style checkers into a new Python package (style: Refactor the style checker as a Python package) accidentally left a fragment of file_types.py in the old location (util/style.py). This was caused by a race between the commit that moved the file and Nate's commit that added a copyright header to the file. This commit moves the last fragment (the copyright header) and removes the old file. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> --HG-- extra : amend_source : 946f1f6fee034ae79bd50ea7dfc3299a60f070c0
2016-04-28style: ignore test data in style checksCurtis Dunham
Change-Id: If797eaf3842b5c1604942bb60f091800ee814a2a Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-04-28style: respect ignores for git commitCurtis Dunham
Previously it ignored the ignores for git but not Mercurial. Change-Id: I178fe879ebd268e863063eb9e30ec87e8ac8faec Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-04-28style: improve compatibility with old git versionsCurtis Dunham
Older versions of git need the '=' to connect --diff-filter to its argument. Change-Id: Ic62057567db061684be88a7c2d80a6a5d4c11dcf
2016-04-28style: Don't include diff context in git style hookAndreas Sandberg
The git style hook currently includes a few lines of diff context when determining changed regions. This is undesirable as this triggers false positives when modifying existing files with a lot of style violations. This change sets the amount of context to 0, which is the default value when requesting staged regions from the git helper. Change-Id: Ibe03123e329ea0241281e104183a68d6c495b190 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nathanael Premillieu <nathanael.premillieu@arm.com>
2016-04-18style: Fix Python 2.6 compatibilityAndreas Sandberg
The style checker code needs to disable autojunk when diffing source files using Python's difflib. Support for this was only introduced in Python 2.7, which leads to a TypeError exception on older Python version. This changeset adds a fallback mechanism for old Python versions.
2016-04-15misc: Bugfix in TLM memInhibit CommandAbdul Mutaal Ahmad
memInhibitAsserted() has been removed from packet.hh. This change has been reflected in TLM based SystemC memory. This patch also adds a number of panics asserting the SystemC memory only sees requests it expects. Committed by Jason Lowe-Power <power.jg@gmail.com>
2016-04-14dist: config file for distributed switchMohammad Alian
Distributed gem5 is the result of the convergence effort between multi-gem5 and pd-gem5. It relies on the base multi-gem5 infrastructure for packet forwarding, synchronisation and checkpointing but combines those with the elaborated network switch model from pd-gem5.
2016-04-07mem: Add Program Counter to MemTraceProbeVictor Garcia
2016-03-30arm: Clean up m5ops assembly libraryAndreas Sandberg
The m5ops assembly library contains a lot of repetitive code. This changeset adds two macros, FOREACH_M5OP and FOREACH_M5_ANNOTATION, to m5ops.h that simplify architecture-specific implementations. The ARM and ARMv8 m5op implementations have been updated to use the new macros. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-03-30style: Change maximum line length to 79 charactersAndreas Sandberg
The old style guide used to mandate 78 characters as the maximum line length to accommodate traditional diffs on 80-column terminals. This is an uncommon use case and it has therefore been decided (see email thread on gem5-dev [1]) that a maximum length of 79-characters makes more sense. [1] http://comments.gmane.org/gmane.comp.emulators.m5.devel/29789 Signed-off-by: Andreas Sandberg <aandreas.sandberg@arm.com> Reviewed-by: Brandon Potter <brandon.potter@amd.com> --HG-- rename : util/style.py => util/hgstyle.py extra : rebase_source : 63efcc4da2585ef8c323d6f322736f64d71742f8
2016-03-30style: Add a style checker that doesn't depend on MercurialAndreas Sandberg
The current style checker script, hgstyle.py, assumes that it is being run from Mercurial. This means that it depends on the Mercurial Python libraries, which aren't necessarily present if using git. This changeset adds a new style checker script, style.py, that has been designed to be run from the command line. The script has support for detecting which revision control system is used and is able to query both git and Mercurial for changes. This enables the script to operate on modified regions and/or all of the modified files in the repository. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- extra : rebase_source : 2b420aff79d190f32557bc8822518cbc5d93e999
2016-03-30style: Add a git pre-commit hookAndreas Sandberg
Add a git pre-commit hook that verifies that files that are about to be committed. Since git stages changes into an index and the index contains the changes that will be committed, the style checker only looks at the state of files in the index. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- extra : rebase_source : 22a028bf13524cba188bd7896a0304f4c14ffeeb
2016-03-30style: Add repository helper functionsAndreas Sandberg
Add an AbstractRepo class and implementations for git and Mercurial that provide a common interface to query repository status for style checkers. The class defines the interfaces to list modified files that are about to be committed and methods to identify changed regions. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- rename : util/style.py => util/hgstyle.py extra : rebase_source : da1f482a1ecac2b0be437dc400b4a66bd3b301cc
2016-03-30style: Remove style validatorsAndreas Sandberg
Style validators provide a subset of the style verifier functionality and are only exposed through the "hg m5format" command. This functionality seems to be both redundant and unused. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> --HG-- extra : rebase_source : f4847ac3ddc86f6684565b65a942e04979972a7b
2016-03-30style: Add a control character checkerAndreas Sandberg
Add a style checker that verifies that source code doesn't contain non-printable (control) characters. The only allowed control characters are: * 0x0a / \n: New line * 0x09 / \t: Tab (the whitespace checker enforces no-tabs for C/C++ files) Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Brandon Potter <brandon.potter@amd.com> --HG-- extra : rebase_source : 9ba3e2971774a7b3d73cda34bbee1f19c4add746
2016-03-30style: Refactor the style checker as a Python packageAndreas Sandberg
Refactor the style checker into a Python module that can be reused by command line tools that integrate with git. In particular: * Create a style package in util * Move style validators from style.py to the style/validators.py. * Move style verifiers from style.py to the style/verifiers.py. * Move utility functions (sort_includes, region handling, file_types) into the style package * Move generic code from style.py to style/style.py. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- rename : util/style.py => util/hgstyle.py rename : util/sort_includes.py => util/style/sort_includes.py extra : rebase_source : ad6cf9b9a18c48350dfc7b7c77bea6c5344fb53c
2016-03-30style: Change include sorter to yield one line at a timeAndreas Sandberg
The include sorter class normally yields one string per line and relies on the caller to merge lines into a block of text separated by newlines. However, there are cases when this isn't true. This makes diffing using Python's difflib hard. This changeset updates the include sorter to never do this and always yield one line at a time. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- extra : rebase_source : 154c9c7e1ebdd77e09fe5f28d0cfddc9e6c6b1eb
2016-03-30scons, style: Rename style.py to hgstyle.pyAndreas Sandberg
The Mercurial style checker extensions are currently stored in style.py. This is not ideal since they won't work with other version control systems. This changeset renames style.py to hgstyle.py and adds upgrade code to scons that automatically updates the hooks in hgrc. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Nathanael Premillieu <nathananel.premillieu@arm.com> Reviewed-by: Steve Reinhardt <steve.reinhardt@amd.com> --HG-- rename : util/style.py => util/hgstyle.py extra : rebase_source : ee8107ef245901371b368b7c2046ecdd89e3ff4c
2016-03-30style: Remove unsupported style.py commandsAndreas Sandberg
Remove the unsupported style.py subcommands (fixwhite, chkwhite), which leaves the chkformat command as the only remaining command. Since the script now only supports one command, remove the sub-command support altogether. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Nathanael Premillieu <nathananel.premillieu@arm.com> --HG-- extra : rebase_source : 548081a5f5358064bffd941b51dd895cff1e2df8
2016-03-29copyright: Update copyright in sort_includes.pyAndreas Sandberg
The following changes introduced substantial changes to sort_includes.py: - hg:84b4d6af0ecc - util: Fix state leakage in ... - hg:e2f9644a7738 - style: Update the style checker to handle new ... Since the file didn't include a copyright header at the time, I never added the correct ARM copyright notice. This changeset adds the correct copyright notice. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-03-28copyright: add copyright missing from files I createdNathan Binkert
2016-03-24style: Strip newline when checking linesAndreas Sandberg
The style checker incorrectly includes newlines when checking lines of code, which effectively decreases the column limit by 1. This changeset strips the newline character from before calling line checkers. Change-Id: I0a8c7707ece57d782d11cc86db4b8064db291ce0 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
2016-03-16misc: Fix argument handling for m5 initparam utilGabor Dozsa
2016-03-08configs: Add a lat_mem_rd style test scriptAndreas Hansson
This patch adds a config script that broadly replicates the behaviour of lat_mem_rd. The test is based on traffic generators, and as such we simply randomise addresses in increasingly large ranges, and play them back using the trace functionality of the traffic generator. The test script is accompanied by a post-processing and visualisation script. At the moment no configurability is added to tweak the memory hierarchy, but a follow on patch could easily extend the functionality.
2016-02-29util: update Java JNI interface to m5opsPrakash Ramrakhyani
Synchronize with ab19693da "pseudo inst,util: Add optional key to initparam pseudo instruction"
2016-02-24cpu: TraceGen fix for tick frequency checkMatteo Andreozzi
Bug fix for check on protobuf file frequency being different than global frequency. The ASCII encoder script is also fixed, and the example trace used in the regressions is updated.
2016-02-06util: fix apparent statetrace bugSteve Reinhardt
In the process of trying to eliminate boolean comparisons, I ran across this statement that appears to be a bug (should have been an assignment).
2016-02-06util: added line length and boolean comparison style checkersSteve Reinhardt
Added checkers for line length and boolean comparisons (== true/== false) to the style script.
2016-02-06style: fix missing spaces in control statementsSteve Reinhardt
Result of running 'hg m5style --skip-all --fix-control -a'.
2016-02-06style: remove trailing whitespaceSteve Reinhardt
Result of running 'hg m5style --skip-all --fix-white -a'.
2016-02-06util: clean up and extend style checkerSteve Reinhardt
Added a new Verifier object to check for and fix spacing between if/while/for and following paren. Restructured Verifier class to make it easier to add new subclasses, particularly by using a global list of verifiers to auto-generate command line options and simplify the invocation loop.
2016-02-06util: delete old unused style-checking scriptsSteve Reinhardt
The functions in these scripts were apparently folded into style.py but the old scripts were orphaned without being deleted. Get rid of them so their existence is no longer confusing.
2016-01-19gpu-compute: AMD's baseline GPU modelTony Gutierrez
2016-01-07config: Updates for distributed gem5 simulationsGabor Dozsa
2016-01-07dev: Distributed Ethernet link for distributed gem5 simulationsGabor Dozsa
Distributed gem5 (abbreviated dist-gem5) is the result of the convergence effort between multi-gem5 and pd-gem5 (from Univ. of Wisconsin). It relies on the base multi-gem5 infrastructure for packet forwarding, synchronisation and checkpointing but combines those with the elaborated network switch model from pd-gem5. --HG-- rename : src/dev/net/multi_etherlink.cc => src/dev/net/dist_etherlink.cc rename : src/dev/net/multi_etherlink.hh => src/dev/net/dist_etherlink.hh rename : src/dev/net/multi_iface.cc => src/dev/net/dist_iface.cc rename : src/dev/net/multi_iface.hh => src/dev/net/dist_iface.hh rename : src/dev/net/multi_packet.hh => src/dev/net/dist_packet.hh
2016-01-07pseudo inst,util: Add optional key to initparam pseudo instructionGabor Dozsa
The key parameter can be used to read out various config parameters from within the simulated software.
2015-09-18dev, arm: Add gem5 extensions to support more than 8 coresKarthik Sangaiah
Previous ARM-based simulations were limited to 8 cores due to limitations in GICv2 and earlier. This changeset adds a set of gem5-specific extensions that enable support for up to 256 cores. When the gem5 extensions are enabled, the GIC uses CPU IDs instead of a CPU bitmask in the GIC's register interface. To OS can enable the extensions by setting bit 0x200 in ICDICTR. This changeset is based on previous work by Matt Evans.
2015-12-07cpu: Support virtual addr in elastic tracesRadhika Jagtap
This patch adds support to optionally capture the virtual address and asid for load/store instructions in the elastic traces. If they are present in the traces, Trace CPU will set those fields of the request during replay.
2015-12-07cpu: Create record type enum for elastic tracesRadhika Jagtap
This patch replaces the booleans that specified the elastic trace record type with an enum type. The source of change is the proto message for elastic trace where the enum is introduced. The struct definitions in the elastic trace probe listener as well as the Trace CPU replace the boleans with the proto message enum. The patch does not impact functionality, but traces are not compatible with previous version. This is preparation for adding new types of records in subsequent patches.
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