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/gem5/src/arch/x86/bios/ | ||
H A D | ACPI.py | 5627:31eac202dbd1 Sat Oct 11 02:43:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> X86: Create SimObjects in python and C++ to represent the ACPI system description tables. |
H A D | SConscript | diff 5627:31eac202dbd1 Sat Oct 11 02:43:00 EDT 2008 Gabe Black <gblack@eecs.umich.edu> X86: Create SimObjects in python and C++ to represent the ACPI system description tables. |
/gem5/src/base/ | ||
H A D | fenv.hh | diff 2665:a124942bacb8 Wed May 31 19:26:00 EDT 2006 Ali Saidi <saidi@eecs.umich.edu> Updated Authors from bk prs info |
H A D | stl_helpers.hh | diff 8737:770ccf3af571 Tue Jan 31 00:05:00 EST 2012 Koan-Sin Tan <koansin.tan@gmail.com> clang: Enable compiling gem5 using clang 2.9 and 3.0 This patch adds the necessary flags to the SConstruct and SConscript files for compiling using clang 2.9 and later (on Ubuntu et al and OSX XCode 4.2), and also cleans up a bunch of compiler warnings found by clang. Most of the warnings are related to hidden virtual functions, comparisons with unsigneds >= 0, and if-statements with empty bodies. A number of mismatches between struct and class are also fixed. clang 2.8 is not working as it has problems with class names that occur in multiple namespaces (e.g. Statistics in kernel_stats.hh). clang has a bug (http://llvm.org/bugs/show_bug.cgi?id=7247) which causes confusion between the container std::set and the function Packet::set, and this is currently addressed by not including the entire namespace std, but rather selecting e.g. "using std::vector" in the appropriate places. |
H A D | chunk_generator.hh | diff 2665:a124942bacb8 Wed May 31 19:26:00 EDT 2006 Ali Saidi <saidi@eecs.umich.edu> Updated Authors from bk prs info |
H A D | match.hh | diff 2665:a124942bacb8 Wed May 31 19:26:00 EDT 2006 Ali Saidi <saidi@eecs.umich.edu> Updated Authors from bk prs info |
/gem5/tests/quick/fs/10.linux-boot/ref/x86/linux/pc-simple-atomic/ | ||
H A D | simerr | diff 9125:65423863d963 Sun Jul 22 21:31:00 EDT 2012 Nilay Vaish <nilay@cs.wisc.edu> Regression: Update stats due to changes to x86 cpuid instruction |
/gem5/tests/quick/fs/10.linux-boot/ref/x86/linux/pc-simple-timing/ | ||
H A D | simerr | diff 9125:65423863d963 Sun Jul 22 21:31:00 EDT 2012 Nilay Vaish <nilay@cs.wisc.edu> Regression: Update stats due to changes to x86 cpuid instruction |
/gem5/src/mem/slicc/ast/ | ||
H A D | OperatorExprAST.py | 9692:67d9da312ef0 Tue May 21 12:31:00 EDT 2013 Nilay Vaish <nilay@cs.wisc.edu>, Malek Musleh <malek.musleh@gmail.com> ruby: add stats to .sm files, remove cache profiler This patch changes the way cache statistics are collected in ruby. As of now, there is separate entity called CacheProfiler which holds statistical variables for caches. The CacheMemory class defines different functions for accessing the CacheProfiler. These functions are then invoked in the .sm files. I find this approach opaque and prone to error. Secondly, we probably should not be paying the cost of a function call for recording statistics. Instead, this patch allows for accessing statistical variables in the .sm files. The collection would become transparent. Secondly, it would happen in place, so no function calls. The patch also removes the CacheProfiler class. |
/gem5/src/mem/ | ||
H A D | stack_dist_calc.hh | 10614:da37aec3ed1a Tue Dec 23 09:31:00 EST 2014 Kanishk Sugand <kanishk.sugand@arm.com> mem: Add a stack distance calculator This patch adds a stand-alone stack distance calculator. The stack distance calculator is a passive SimObject that observes the addresses passed to it. It calculates stack distances (LRU Distances) of incoming addresses based on the partial sum hierarchy tree algorithm described by Alamasi et al. http://doi.acm.org/10.1145/773039.773043. For each transaction a hashtable look-up is performed. At every non-unique transaction the tree is traversed from the leaf at the returned index to the root, the old node is deleted from the tree, and the sums (to the right) are collected and decremented. The collected sum represets the stack distance of the found node. At every unique transaction the stack distance is returned as numeric_limits<uint64>::max(). In addition to the basic stack distance calculation, a feature to mark an old node in the tree is added. This is useful if it is required to see the reuse pattern. For example, Writebacks to the lower level (e.g. membus from L2), can be marked instead of being removed from the stack (isMarked flag of Node set to True). And then later if this same address is accessed (by L1), the value of the isMarked flag would be True. This gives some insight on how the Writeback policy of the lower level affect the read/write accesses in an application. Debugging is enabled by setting the verify flag to true. Debugging is implemented using a dummy stack that behaves in a naive way, using STL vectors. Note that this has a large impact on run time. |
H A D | hmc_controller.cc | diff 11284:b3926db25371 Thu Dec 31 09:32:00 EST 2015 Andreas Hansson <andreas.hansson@arm.com> mem: Make cache terminology easier to understand This patch changes the name of a bunch of packet flags and MSHR member functions and variables to make the coherency protocol easier to understand. In addition the patch adds and updates lots of descriptions, explicitly spelling out assumptions. The following name changes are made: * the packet memInhibit flag is renamed to cacheResponding * the packet sharedAsserted flag is renamed to hasSharers * the packet NeedsExclusive attribute is renamed to NeedsWritable * the packet isSupplyExclusive is renamed responderHadWritable * the MSHR pendingDirty is renamed to pendingModified The cache states, Modified, Owned, Exclusive, Shared are also called out in the cache and MSHR code to make it easier to understand. |
H A D | mem_checker.hh | 10612:6332c9d471a8 Tue Dec 23 09:31:00 EST 2014 Marco Elver <Marco.Elver@ARM.com> mem: Add MemChecker and MemCheckerMonitor This patch adds the MemChecker and MemCheckerMonitor classes. While MemChecker can be integrated anywhere in the system and is independent, the most convenient usage is through the MemCheckerMonitor -- this however, puts limitations on where the MemChecker is able to observe read/write transactions. |
H A D | MemChecker.py | 10612:6332c9d471a8 Tue Dec 23 09:31:00 EST 2014 Marco Elver <Marco.Elver@ARM.com> mem: Add MemChecker and MemCheckerMonitor This patch adds the MemChecker and MemCheckerMonitor classes. While MemChecker can be integrated anywhere in the system and is independent, the most convenient usage is through the MemCheckerMonitor -- this however, puts limitations on where the MemChecker is able to observe read/write transactions. |
/gem5/tests/quick/se/70.tgen/ | ||
H A D | tgen-simple-mem.cfg | diff 10616:6d4da9dc90a1 Tue Dec 23 09:31:00 EST 2014 Andreas Hansson <andreas.hansson@arm.com> tests: Add a regression for the stack distance calculator Re-use the existing traffic generator regression, and enable the stack distance calculation in the comm monitor, along with the verification stack. The traffic generator config is also tuned to not increase the run-time too much (and actually have some address re-use). |
/gem5/tests/quick/se/00.hello/ref/riscv/linux/simple-timing/ | ||
H A D | stats.txt | diff 12062:d6ee16239a26 Wed May 31 18:49:00 EDT 2017 Alec Roelke <ar4jc@virginia.edu> tests: Update RISC-V hello test and stats Update the "Hello, world!" executable for RISC-V to use the latest GNU Linux toolchain and fix the stats accordingly. Change-Id: I5ff3d7f4bb41b10170038b8c07492f15bb54a022 Reviewed-on: https://gem5-review.googlesource.com/3560 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> |
/gem5/tests/quick/se/00.hello/ref/riscv/linux/simple-atomic/ | ||
H A D | stats.txt | diff 12062:d6ee16239a26 Wed May 31 18:49:00 EDT 2017 Alec Roelke <ar4jc@virginia.edu> tests: Update RISC-V hello test and stats Update the "Hello, world!" executable for RISC-V to use the latest GNU Linux toolchain and fix the stats accordingly. Change-Id: I5ff3d7f4bb41b10170038b8c07492f15bb54a022 Reviewed-on: https://gem5-review.googlesource.com/3560 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> |
/gem5/util/maint/ | ||
H A D | create_patches.sh | 11786:6639b188ac11 Tue Jan 03 06:31:00 EST 2017 Andreas Sandberg <andreas.sandberg@arm.com> util: Add maintainer tools to create upstream patches This changeset adds a maintainer script, create_patches.sh, that can be used to prepare for upstream from a git repository. The script can be used to generate patches in Mercurial or git format. The commit messages in the exported patches are all filtered, see upstream_msg_filter.sed, to ensure that irrelevant meta data isn't included in the upstream commit. Kudos to Curtis Dunham and Nikos Nikoleris for reviews and usability enhancements for earlier versions of this patch. Change-Id: Ia4cd089a32834b5e046ef58c0a173ca285b77bca Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> |
/gem5/src/unittest/ | ||
H A D | nmtest.cc | diff 2665:a124942bacb8 Wed May 31 19:26:00 EDT 2006 Ali Saidi <saidi@eecs.umich.edu> Updated Authors from bk prs info |
/gem5/src/arch/arm/insts/ | ||
H A D | branch.hh | diff 12640:02188fc84bae Tue Mar 27 12:31:00 EDT 2018 Giacomo Travaglini <giacomo.travaglini@arm.com> arch-arm: Fix AArch32 branch instructions disassemble This patch adds the generateDisassembly method for BranchReg, BranchImm and BranchRegReg Base classes used by AArch32 branch instructions. Change-Id: I6de015cc213335556d5187df3d4fcd765876262c Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/9503 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> |
/gem5/src/arch/arm/isa/formats/ | ||
H A D | pseudo.isa | 10611:3bba9f2d0c7d Tue Dec 23 09:31:00 EST 2014 Andreas Sandberg <Andreas.Sandberg@ARM.com> arm: Raise an alignment fault if a PC has illegal alignment We currently don't handle unaligned PCs correctly. There is one check for unaligned PCs in the TLB when running in aarch64 mode, but this check does not cover cases where the CPU does not do a TLB lookup when decoding an instruction (e.g., a branch stays within the same cache line). Additionally, the Decoder class sometimes throws an assertion for unaligned PCs which breaks speculation. This changeset introduces a decoder fault bit field in the ExtMachInst structure. This field can be used to signal a decoder failure. If set, the decoder generates an internal gem5fault instruction instead of a normal instruction. This instruction in turns either panics (fault type PANIC), returns an PCAlignmentFault (fault type UNALIGNED, aarch64) or PrefetchAbort (fault type UNALIGNED, aarch32). The patch causes minor changes to the realview64 regressions, and a stats bump will follow. |
/gem5/src/python/m5/ | ||
H A D | options.py | diff 5586:d27058799d3a Mon Oct 06 12:31:00 EDT 2008 Nathan Binkert <nate@binkert.org> python: cleanup options parsing stuff so that it properly deals with defaults. While we're at it, make it possible to run main.py in a somewhat standalone mode again so that we can test things without compiling. |
/gem5/src/mem/cache/prefetch/ | ||
H A D | indirect_memory.hh | 13772:31b71dadc472 Thu Mar 07 09:42:00 EST 2019 Javier Bueno <javier.bueno@metempsy.com> mem-cache: Added the Indirect Memory Prefetcher Reference: Xiangyao Yu, Christopher J. Hughes, Nadathur Satish, and Srinivas Devadas. 2015. IMP: indirect memory prefetcher. In Proceedings of the 48th International Symposium on Microarchitecture (MICRO-48). ACM, New York, NY, USA, 178-190. DOI: https://doi.org/10.1145/2830772.2830807 Change-Id: I52790f69c13ec55b8c1c8b9396ef9a1fb1be9797 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/16223 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> |
/gem5/src/learning_gem5/part2/ | ||
H A D | simple_cache.hh | diff 14252:1659a606447f Fri Sep 06 19:31:00 EDT 2019 Gabe Black <gabeblack@google.com> dev: Scrub out some lingering uses of MemObject. MemObject doesn't do anything any more, and is basically just an alias for ClockedObject. Change-Id: Ic0e1658609e4e1d7f4b829fbc421f222e4869dee Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20719 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> |
H A D | simple_memobj.cc | diff 14252:1659a606447f Fri Sep 06 19:31:00 EDT 2019 Gabe Black <gabeblack@google.com> dev: Scrub out some lingering uses of MemObject. MemObject doesn't do anything any more, and is basically just an alias for ClockedObject. Change-Id: Ic0e1658609e4e1d7f4b829fbc421f222e4869dee Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20719 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> |
H A D | SimpleCache.py | diff 14252:1659a606447f Fri Sep 06 19:31:00 EDT 2019 Gabe Black <gabeblack@google.com> dev: Scrub out some lingering uses of MemObject. MemObject doesn't do anything any more, and is basically just an alias for ClockedObject. Change-Id: Ic0e1658609e4e1d7f4b829fbc421f222e4869dee Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20719 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com> |
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