summaryrefslogtreecommitdiff
path: root/src/base
AgeCommit message (Collapse)Author
2018-01-10style: change C/C++ source permissions to noexecBKP
Several files in the repository were tracked with execute permissions even though the files are just normal C/C++ files (and the one .isa). Change-Id: I976b096acab4a1fc74c5699ef1f9b222c1e635c2 Reviewed-on: https://gem5-review.googlesource.com/7241 Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-14misc: Updates for gcc7.2 for x86Jason Lowe-Power
GCC 7.2 is much stricter than previous GCC versions. The following changes are needed: * There is now a warning if there is an implicit fallthrough between two case statments. C++17 adds the [[fallthrough]]; declaration. However, to support non C++17 standards (i.e., C++11), we use M5_FALLTHROUGH. M5_FALLTHROUGH checks for [[fallthrough]] compliant C++17 compiler and if that doesn't exist, it defaults to nothing (no older compilers generate warnings). * The above resulted in a couple of bugs that were found. This is noted in the review request on gerrit. * throw() for dynamic exception specification is deprecated * There were a couple of new uninitialized variable warnings * Can no longer perform bitwise operations on a bool. * Must now include <functional> for std::function * Compiler bug for void* lambda. Changed to auto as work around. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Change-Id: I5d4c782a4e133fa4cdb119e35d9aff68c6e2958e Signed-off-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-on: https://gem5-review.googlesource.com/5802 Reviewed-by: Gabe Black <gabeblack@google.com>
2017-12-13arm,sparc,x86,base,cpu,sim: Replace the Twin(32|64)_t types with.Gabe Black
Replace them with std::array<>s. Change-Id: I76624c87a1cd9b21c386a96147a18de92b8a8a34 Reviewed-on: https://gem5-review.googlesource.com/6602 Maintainer: Gabe Black <gabeblack@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-12-12tests: Turn fbtest into a gtest and move it to src/base.Gabe Black
Change-Id: I9ca57e24f27e0eb747d1f27262972a8abcd10fc8 Reviewed-on: https://gem5-review.googlesource.com/6342 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-12tests: Move the cprintftest unit test into src/base.Gabe Black
That way it will live alongside the code it tests. Change-Id: I00baad2206870a4619b7cee792a1d4c303dad04d Reviewed-on: https://gem5-review.googlesource.com/6324 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-12tests: Move the trietest unit test into base.Gabe Black
This puts it alongside trie.hh, the header file it tests. Change-Id: Id8ca0c1d68bdc01807c5ba4b51c0142b1221385d Reviewed-on: https://gem5-review.googlesource.com/6281 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
2017-12-12tests: Add an implementation of the Logger interface for use gtests.Gabe Black
On exiting log types (panic and fatal), the message is set to an ADD_FAILURE_AT macro, and the test is exited by throwing an otherwise unexpected exception. On non-exiting log types, the message is sent to the SUCCEEDED macro which currently doesn't output anything. Change-Id: I1bb569e6cb8308dbc4c3e04eea7a962bd2b1ddd8 Reviewed-on: https://gem5-review.googlesource.com/6264 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-12misc: Rework the logging functions.Gabe Black
Removed the "verbose" switch which wasn't used. Replaced the "get(LogLevel)" function with a get for each level. The parameter was always constant, so we can just call the right function at the right time. Made the "exit" behavior of panic/fatal a part of the logging implementation so that it can be overridden, and corrected a comment which said that both fatal and panic called ::abort(). Got rid of the printEpilogue function by reworking the print() methods. The subclasses of Logger can now override a "log" function which takes a composed message, letting the Logger class centralize how the message is put together and leaving the actual output mechanism to the subclass. Unfortunately there wasn't a way to tell gcc that the panic/fatal macros wouldn't return, so there needed to be an exit_helper wrapper function which calls the actual logger exit function. That can be marked as noreturn, unlike the virtual exit function. If the exit function does return, the wrapper will call ::abort(), placating gcc and ensuring that even if exit isn't implemented properly, exit_helper will still not return. That also provides a handy default implementation. Change-Id: I66d0cebd59f1127db980f3b565dbdf60687d8862 Reviewed-on: https://gem5-review.googlesource.com/6263 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-06base: Split out the pixel class in framebuffer.(cc|hh).Gabe Black
These are really two separate things. Also, while it's realitively straightforward to write a unit test for the pixel conversion code, the framebuffer object is serializable and brings in more dependencies. Change-Id: If954caeb0bfedb1002cfb1a7a115a00c90d56d19 Reviewed-on: https://gem5-review.googlesource.com/6341 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-06base: Handle zero fill in cprintf when printing floats.Gabe Black
The fill_zero flag was being followed for ints, but not for floats. This makes the cprintf unit test pass. Change-Id: I4d17a3c9327aea05e0a3c81be1886c0c9256f03c Reviewed-on: https://gem5-review.googlesource.com/6322 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-12-04base: Rework the trie dump function to accept a different ostream.Gabe Black
It might often be useful to write output to cout when dumping a trie, but sometimes it might be useful to dump ot to something else like a string stream instead. Change-Id: Iaa4ae772c902b7dbc753f320d1a7eb5fcd4a3db3 Reviewed-on: https://gem5-review.googlesource.com/6266 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-12-04misc: Rename misc.(hh|cc) to logging.(hh|cc)Gabe Black
These files aren't a collection of miscellaneous stuff, they're the definition of the Logger interface, and a few utility macros for calling into that interface (panic, warn, etc.). Change-Id: I84267ac3f45896a83c0ef027f8f19c5e9a5667d1 Reviewed-on: https://gem5-review.googlesource.com/6226 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-12-04misc: Move the ExitLogger class definition into misc.ccGabe Black
This class isn't referred to outside of misc.hh, and isn't necessarily useful outside of the particular logging setup implemented in misc.cc. The Logger class itself is different since it provides a generic interface that can be used with different logging schemes. Change-Id: Ibae926fea039d9e3d75a43d97348bc4a3c5d555e Reviewed-on: https://gem5-review.googlesource.com/6225 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-12-04tests: Remove trietest's dependence on cprintf.Gabe Black
Dumping the structure of the tries being constructed was useful for debugging when the trie data structure was being developed, but the output can't be automatically verified easily, and what's considered correct depends on the specific implementation of the trie itself. To make some of the earlier tests more meaningful, additional lookups were added which verified that the correct values were returned when the nodes of the trie were in particular arrangements. Change-Id: Ib464ad1804d13fe40882da2190d7bf452da83818 Reviewed-on: https://gem5-review.googlesource.com/6223 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-11-28tests: Move the bituniontest to be alongside the bitunion header.Gabe Black
Change-Id: I7c1a49c41672a1108fcf67c5505b0441f90588ef Reviewed-on: https://gem5-review.googlesource.com/6142 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-11-15arm: Add support for armv8 CRC32 instructionsGiacomo Travaglini
This patch introduces the ARM A32/T32/A64 CRC Instructions, which are mandatory since ARMv8.1. The UNPREDICTABLE behaviours are implemented as follows: 1) CRC32(C)X (64 bit) instructions are decoded as Undefined in Aarch32 2) The instructions support predication in Aarch32 3) Using R15(PC) as source/dest operand is permitted in Aarch32 Change-Id: Iaf29b05874e1370c7615da79a07f111ded17b6cc Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Giacomo Gabrielli <giacomo.gabrielli@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5521 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-10-31vnc: Default image writer type set to AutoGiacomo Travaglini
This commit modifies the default behaviour of the vnc frame dumping process: rather than using 'Bitmap' as a default parameter value, it is using 'Auto'. Auto parameter is letting gem5 to choose the most efficient image format among the available ones. Change-Id: I3c8e2b5a34a5925d24892880ac362dfe38de36e3 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5182 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-10-31base: Introducing utility for writing raw data in png formatGiacomo Travaglini
Originally it was possible to use a Bitmap writer class for dumping a framebuffer snapshot in a .bmp file. This patch enables you to choose another format. In particular it implements the writing of PNG Images using libpng library. The latter has to be already installed in your machine, otherwise gem5 will default to the Bitmap format. This configurable writer has been introduced in the VNC frame dumping mechanism, which is storing changed frame buffers from the VNC server Change-Id: Id7e5763c82235f1ce90381c8486b85a7cce734ce Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5181 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-10-30base: Fix forcing loopback only binding for listeners.Gabe Black
Despite online documentation, the type used for sin_addr.s_addr is not actually an unsigned long, it is an in_addr_t. When an unsigned long is a 64 bit value, the endian conversion moves the relevant bits of the 32 bit in_addr_t to positions which are truncated away. This forces the value to 0 which means to bind to any interface, the opposite of the intended effect. Change-Id: I53c63dea6bd88144dfef1a9a49b478fab30a8ba2 Reviewed-on: https://gem5-review.googlesource.com/5301 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-10-20base: Function for mirroring bits in variable length wordGiacomo Travaglini
This patch introduces a high-speed template function for mirroring the bits (MSB=>LSB) in a variable length word. The function is achieving high performances since it is using a look-up table. Change-Id: Ib0d0480e68d902f25655f74d243de305103eff75 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5261 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-10-20base: Defining make_unique for C++11Giacomo Travaglini
std::make_unique is not available for C++11 compilers, and it has been introduced only in C++14. Since gem5 is not officially supporting the latter at the moment, this patch allows to use it in gem5 if including base/compiler.hh. If compiled under C++14, std::make_unique will be used instead. Change-Id: Ibf1897fad0a1eb1cb0c683cc25170feaa6841997 Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/5201 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-08-02base: Give more information when setting up asynchronous IO fails.Gabe Black
When asynchronous IO fails, gem5 currently just says it failed and quits, and doesn't give any more information about which step failed, or what specifically about it failed. This change adds two helpers which will attempt the fcntl, check for error conditions, and in the event of a failure, include a message describing the error code and what the arguments to fcntl were. Change-Id: I316478172ab2aefd3788279dbc12744791385cd5 Reviewed-on: https://gem5-review.googlesource.com/4320 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Gabe Black <gabeblack@google.com>
2017-07-12sim, gdb: Refactor some Event subclasses into lambdasSean Wilson
Change-Id: If3e4329204f27eda96b50ec6ac279ebc6ef23d99 Signed-off-by: Sean Wilson <spwilson2@wisc.edu> Reviewed-on: https://gem5-review.googlesource.com/3921 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-07-12cpu, sim: Add param to force CPUs to wait for GDBJose Marinho
By setting the BaseCPU parameter wait_for_dbg_connection, the GDB server blocks during initialisation waiting for the remote debugger to connect before starting the simulated CPU. Change-Id: I4d62c68ce9adf69344bccbb44f66e30b33715a1c [ Update info message to include remote GDB port, rename param. ] Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/3963 Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
2017-06-13ruby: Add support for address ranges in the directoryNikos Nikoleris
Previously the directory covered a flat address range that always started from address 0. This change adds a vector of address ranges with interleaving and hashing that each directory keeps track of and the necessary flexibility to support systems with non continuous memory ranges. Change-Id: I6ea1c629bdf4c5137b7d9c89dbaf6c826adfd977 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2903 Reviewed-by: Bradford Beckmann <brad.beckmann@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-06-03base: misc: Include cstdlib in base/misc.hh.Gabe Black
Some of the macros, notably panic, uses exit(). Callers shouldn't have to know that or have coincidentally included cstdlib, the provider of exit, themselves. Change-Id: I634602ed1795dcc8897b4bddb1167c96763acc18 Reviewed-on: https://gem5-review.googlesource.com/3601 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-19base, sim, arch: Fix clang 5.0 warningsAndreas Sandberg
Compiling gem5 with recent version of clang (4 and 5) triggers warnings that are treated as errors: * Global templatized static functions result in a warning if they are not used. These should either be declared as static inline or without the static identifier to avoid the warning. * Some templatized classes contain static variables. The instantiated versions of these variables / templates need to be explicitly declared to avoid a compiler warning. Change-Id: Ie8261144836e94ebab7ea04ccccb90927672c257 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/3420 Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-05-18base: Refactor the GDB code.Gabe Black
The new version modularizes the implementation of the various commands, gets rid of dynamic allocation of the register cache, fixes some small style problems, and uses exceptions to simplify error handling internal to the GDB stub. Change-Id: Iff3548373ce4adfb99106a810f5713b769df89b2 Reviewed-on: https://gem5-review.googlesource.com/3280 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Boris Shingarov <shingarov@gmail.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-12base: Make the VNC server more resilient.Gabe Black
If the client does something bad, don't kill the whole simulation, just complain, drop the client and keep going. Change-Id: I824f2d121e2fe03cdf4323a25c192b68e0370acc Reviewed-on: https://gem5-review.googlesource.com/3200 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-12misc: Make the remote GDB stub more resilient to bad connections.Gabe Black
Currently, if the remote gdb stub fails to read a byte from an incoming packet because the connection has been dropped, the read call will return anyway and the calling code will have no way to know something bad happened. It might reattempt the read over and over again waiting for some particular byte, doomed to never make forward progress. This change modifies the remote GDB code so that if a read or write call fails, it will instead detach from the debugger and continue. Before this change, When simulating a port scan, ie connecting to the debugger port and then immediately dropping the connection using this command: nc -v -n -z -w 1 127.0.0.1 7000 gem5 would enter the previously described death spiral. After it, gem5 detaches from the bad connection and resumes execution. Subsequently attaching with gdb was successful. This code is written in a C centric style, and would benefit from some refactoring. Change-Id: Ie3c0bb35b9cfe3671d0f731e3907548bae0d292f Reviewed-on: https://gem5-review.googlesource.com/3180 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-09base: Teach the socket listeners how to bind to the loopback.Gabe Black
The loopback device will allow access to various services like remote GDB debugging, connecting to the terminal, etc., without letting external agents like port scanners connect and disrupting the simulation. Change-Id: I76dccbf152fa278ae9f342b25f7e345a1329fbe4 Reviewed-on: https://gem5-review.googlesource.com/3080 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2017-05-02base, sim, dev: Remove SWIGAndreas Sandberg
Remove SWIG guards and SWIG-specific C++ code. Change-Id: Icaad6720513b6f48153727ef3f70e0dba0df4bee Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2921 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
2017-04-03dev: Align BAR0 size to power of 2 for VirtIO devicesSascha Bischoff
When setting the size of a PCI BAR, the kernel only supports powers of two (as per the PCI spec). Previously, the size was incorrectly read by the kernel, and the address ranges assigned to the PCI devices could overlap, resulting in gem5 crashes. We now round up to the next power of two. Kudos to Sergei Trofimov who helped to debug this issue! Change-Id: I54ca399b62ea07c09d4cd989b17dfa670e841bbe Reviewed-by: Anouk Van Laer <anouk.vanlaer@arm.com> Reviewed-by: Sergei Trofimov <sergei.trofimov@arm.com> Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2580 Reviewed-by: Paul Rosenfeld <prosenfeld@micron.com>
2017-03-09style: Correct some style issuesBrandon Potter
This changeset fixes line alignment issues, spacing, spelling, etc. for files that are used during SE Mode. Change-Id: Ie61b8d0eb4ebb5af554d72f1297808027833616e Reviewed-on: https://gem5-review.googlesource.com/2264 Maintainer: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Michael LeBeane <Michael.Lebeane@amd.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr>
2017-03-09misc: add missing copyright/author information in previous commitPierre-Yves Péneau
See a06a46f and a854373. Change-Id: Id66427db22b7d7764c218b9cd78d95db929f4127 Signed-off-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr> Reviewed-on: https://gem5-review.googlesource.com/2224 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com>
2017-02-27base: Refactor logging to make log level selection cleanerAndreas Sandberg
It's currently possible to change the log level in gem5 by tweaking a set of global variables. These variables are currently exposed to Python using SWIG. This mechanism is far from ideal for two reasons: First, changing the log level requires that the Python world enables or disables individual levels. Ideally, this should be a single call where a log level is selected. Second, exporting global variables is poorly supported by most Python frameworks. SWIG puts variables in their own namespace and PyBind doesn't seem to support it at all. This changeset refactors the logging code to create a more abstract interface. Each log level is associated with an instance of a Logger class. This class contains common functionality, an enable flag, and a verbose flag. Available LogLevels are described by the LogLevel class. Lower log levels are used for more critical messages (PANIC being level 0) and higher levels for less critical messages. The highest log level that is printed is controlled by calling Logger:setLevel(). Change-Id: I31e44299d242d953197a8e62679250c91d6ef776 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Gabor Dozsa <gabor.dozsa@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-02-23base: fix small memory leak in the ELF loaderBrandon Potter
2017-02-15mem, stats: fix typos in CommMonitor and StatsPierre-Yves Péneau
Signed-off-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Signed-off-by: Jason Lowe-Power <jason@lowepower.com> Reviewed at http://reviews.gem5.org/r/3802/
2016-11-09style: [patch 3/22] reduce include dependencies in some headersBrandon Potter
Used cppclean to help identify useless includes and removed them. This involved erroneously included headers, but also cases where forward declarations could have been used rather than a full include.
2016-11-09style: [patch 1/22] use /r/3648/ to reorganize includesBrandon Potter
2016-11-09base: remove header file to prevent a macro name collisionBrandon Potter
2016-11-30arch: [Patch 1/5] Added RISC-V base instruction set RV64IAlec Roelke
First of five patches adding RISC-V to GEM5. This patch introduces the base 64-bit ISA (RV64I) in src/arch/riscv for use with syscall emulation. The multiply, floating point, and atomic memory instructions will be added in additional patches, as well as support for more detailed CPU models. The loader is also modified to be able to parse RISC-V ELF files, and a "Hello world\!" example for RISC-V is added to test-progs. Patch 2 will implement the multiply extension, RV64M; patch 3 will implement the floating point (single- and double-precision) extensions, RV64FD; patch 4 will implement the atomic memory instructions, RV64A, and patch 5 will add support for timing, minor, and detailed CPU models that is missing from the first four patches (such as handling locked memory). [Removed several unused parameters and imports from RiscvInterrupts.py, RiscvISA.py, and RiscvSystem.py.] [Fixed copyright information in RISC-V files copied from elsewhere that had ARM licenses attached.] [Reorganized instruction definitions in decoder.isa so that they are sorted by opcode in preparation for the addition of ISA extensions M, A, F, D.] [Fixed formatting of several files, removed some variables and instructions that were missed when moving them to other patches, fixed RISC-V Foundation copyright attribution, and fixed history of files copied from other architectures using hg copy.] [Fixed indentation of switch cases in isa.cc.] [Reorganized syscall descriptions in linux/process.cc to remove large number of repeated unimplemented system calls and added implmementations to functions that have received them since it process.cc was first created.] [Fixed spacing for some copyright attributions.] [Replaced the rest of the file copies using hg copy.] [Fixed style check errors and corrected unaligned memory accesses.] [Fix some minor formatting mistakes.] Signed-off by: Alec Roelke Signed-off by: Jason Lowe-Power <jason@lowepower.com>
2016-10-14stats: Add more information to uninitialized errorJason Lowe-Power
ClockedObject was changed to require its regStats() to be called from every child class. If you forget to do this, the error was indecipherable. This patch makes the error more clear.
2016-10-06ruby: garnet2.0Tushar Krishna
Revamped version of garnet with more optimized single-cycle routers, more configurability, and cleaner code.
2016-10-04misc: Adds a warning in case gdb is attached multiple timesAlexandru Dutu
Instead of scheduling another event, this patch adds a warning in case gdb is attached multiple times and the first attachement event has not been processed yet.
2016-10-04sim: Add a checkpoint function to test for entriesAndreas Sandberg
When loading a checkpoint, it's sometimes desirable to be able to test whether an entry within a secion exists. This is currently done automatically in the UNSERIALIZE_OPT_SCALAR macro, but it isn't possible to do for arrays, containers, or enums. Instead of adding even more macros, add a helper function (CheckpointIn::entryExists()) that tests for the presence of an entry. Change-Id: I4b4646b03276b889fd3916efefff3bd552317dbc Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
2016-07-21base: Add total() to Vector2D statDavid Guillen Fandos
This patch adds a total() function to the Vector2D stat type. Similar to other stats such as Scalar or Vector it is useful to be able to read the total for a given stat.
2016-07-11base: Fix inverted check in ELF .text size warningAndreas Sandberg
2016-07-11base: Convert ELF .text size check assertion to a warningAndreas Sandberg
The ELF loader currently has an assertion that checks if the size of a loaded .text secion is non-zero. This is useful in the general case as an empty text section normally indicates that there is something strange with the ELF file. However, asserting isn't very useful. This changeset converts the assert into a warning that tells the user that something strange is happening. Change-Id: I313e17847b50a0eca00f6bd00a54c610d626c0f0 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
2016-06-20base: Fix multiple names to one address bug in SymbolTableAndreas Sandberg
The SymbolTable class currently assumes that at most one symbol can point to a given address. If multiple symbols point to the same address, only the first one gets added to the internal symbol table since there is already a match in the address table. This changeset converts the address table from a map into a multimap to be able to handle cases where an address maps to multiple symbols. Additionally, the insert method is changed to not fail if there is a match in the address table. Change-Id: I6b4f1d5560c21e49a4af33220efb2a8302961768 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Gabor Dozsa <gabor.dozsa@arm.com>