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2018-10-16systemc: Implement port binding policies.Gabe Black
Change-Id: I585e34c4a666103af16ff1675701b61122822b55 Reviewed-on: https://gem5-review.googlesource.com/c/13299 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Fix a typo in one of the error messages.Gabe Black
This typo was added purposefully to match Accellera's output, but then it was discovered that some test's golden output had the typo, and some didn't. That must mean that not all tests have up to date output, and that Accellera couldn't possibly pass all of their own tests. To resolve this conflict, this change fixes the typo and manually updates all the golden output. Change-Id: I3d80f74ff21e844609e7bde5dfcd99fc56c085b0 Reviewed-on: https://gem5-review.googlesource.com/c/13204 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Implement writer policies.Gabe Black
This includes the nonstandard SC_NO_WRITE_CHECK #define which the Accellera tests use and depend on. Change-Id: I106c4c16160325725a00d5c337047251817dca32 Reviewed-on: https://gem5-review.googlesource.com/c/13203 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Implement register_port in all the predefined channels.Gabe Black
Something the Accellera implementation does which would be good to do in the gem5 implementation is to create a base class for sc_signal which isn't templated, and which holds the common/non-type specific versions of the various sc_signal methods. This will reduce code redundancy and binary size, and also let us hide more code in .cc files so that it's less likely we'd need to recompile model code to fix a bug. Also, since this all uses of sc_channel_warn_unimple have now been eliminated, remove that function. Change-Id: Ia574647c034e7136093c2047b69de725ac34f52f Reviewed-on: https://gem5-review.googlesource.com/c/13200 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Filter out a test which breaks rules gem5 won't let it break.Gabe Black
Change-Id: Ifbc27a3134730a95ecdb79c588c4d7fe6e889046 Reviewed-on: https://gem5-review.googlesource.com/c/13192 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Filter out an Info about delta cycles and pseudo timesteps.Gabe Black
In the Accellera implementation, every time a delta cycle is traced a check is done to see if the user has been told what the pseudo timestep is. To avoid doing that check over and over, we'll leave that out and tell the verify.py to ignore that message in the reference output. Change-Id: I825f05394dccf03e951d29561a11c3cc6d4bcda7 Reviewed-on: https://gem5-review.googlesource.com/c/12969 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Check the process type when using sc_join.Gabe Black
Method processes aren't allowed in an sc_join. Change-Id: I5c8421a396dbe261645a074df514f69fc652c9c8 Reviewed-on: https://gem5-review.googlesource.com/c/12968 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Make sure the right type process is running when calling wait.Gabe Black
That function is only allowed when running a thread or cthread. Change-Id: Idf98b70018169d4f724aa8168f3c4e8161f0b83d Reviewed-on: https://gem5-review.googlesource.com/c/12967 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Add an error check to sc_time.Gabe Black
Change-Id: Ie525a1624a6496a51277fb984cbfeec21eb79749 Reviewed-on: https://gem5-review.googlesource.com/c/12966 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Add some error checks to sc_export.Gabe Black
Change-Id: Ib0c14a5c7dad37b33d61c9b406f6b84121d94e46 Reviewed-on: https://gem5-review.googlesource.com/c/12965 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Teach verify.py how to verify vcd files.Gabe Black
The reference output skips the first 7 lines which have volatile info like the current time. Change-Id: I9c173ff3903982a07349ca6957ab25e07bdf8e54 Reviewed-on: https://gem5-review.googlesource.com/c/12824 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Fix a typo in verify.py.Gabe Black
In the generic (non-console output) output checker, a variable should have been called self.test, but was called self.text. Change-Id: I2518d6ff01c51fc195eef2b61e987d1b3104c89b Reviewed-on: https://gem5-review.googlesource.com/c/12817 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-16systemc: Add an error check whether an interface is alread bound to a port.Gabe Black
Change-Id: I06e3484176c0c06daa28f7be0ed8437b3b15ddb2 Reviewed-on: https://gem5-review.googlesource.com/c/12816 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Implement the sc_signal_rv channel and ports.Gabe Black
Change-Id: Id1a3fd2ded224bbe94a4a65e0acf34a3547aedcc Reviewed-on: https://gem5-review.googlesource.com/c/12813 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Ignore a gem5 warning about setting the stack size in verify.py.Gabe Black
This warning shouldn't make a test fail, but it's still useful to keep around. Change-Id: I9ebdbec804e11445edb82fa824ee0a6bce5943b0 Reviewed-on: https://gem5-review.googlesource.com/c/12812 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Check whether the simulation is running when creating sensitivities.Gabe Black
Change-Id: I499cde0d0eb45ba3287a8719174e1c794c1fb634 Reviewed-on: https://gem5-review.googlesource.com/c/12810 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Mark a few more tests as expected to return non-zero.Gabe Black
Change-Id: Ic23865d9c22909bb7482223548dbc7a46c356920 Reviewed-on: https://gem5-review.googlesource.com/c/12623 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Centralize module callbacks and report new warnings.Gabe Black
By centralizing module callbacks, the gem5 module class knows when different stages of the simulation are happening and can do it's own extra checks. It also compartmentalizes modules more since the kernel object doesn't have to reach into them to enumerate ports and exports. Change-Id: I55887284af9c05150fe9d054f5b6147cad6092a1 Reviewed-on: https://gem5-review.googlesource.com/c/12610 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Mark a few tests as expected to raise an error.Gabe Black
Change-Id: I8291f5f32fb96c42f75521385cdf14c50243860f Reviewed-on: https://gem5-review.googlesource.com/c/12603 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Update some defaults in verify.py.Gabe Black
Change the defaults in verify.py to be more like how I've been running it. This is as close of an approximation as I have to how someone else would want to run it manually. When run as part of a script, it's less cumbersome to have to add extra arguments. Change-Id: Ibd7c7168a38aa5c014ab5c1246c9617c7358e4f9 Reviewed-on: https://gem5-review.googlesource.com/c/12602 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Fortify how exceptions are caught and passed around.Gabe Black
This change tightens up exception catching and makes gem5's systemc code react to exceptions more in line with the Accellera implementation. This prevents exceptions from being caught by the pybind11 integration which makes it very difficult to see where an exception came from, and makes the output differ by including a (mostly useless) backtrace. Change-Id: I7130d53a98fadd137073d1718f780f32f57c658c Reviewed-on: https://gem5-review.googlesource.com/c/12601 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Merge stderr and stdout when running tests.Gabe Black
The golden output for tests doesn't distinguish between stderr and stdout, and by only comparing against stdout we have to throw away errors which would be good to verify we get right. Also the tests sometimes send output to stderr for no apparent reason, requiring manually patching the tests. This change adds filters for two messages which used to go to stderr in gem5 but now show up in the diffs, one that just says the simulation is starting, and the other for warns of unimplemented functionality. The second warning should be turned on at some point so we make sure everything the tests touch works and they don't just work by coincidence, but for now it introduces a lot of noise among otherwise passing tests. Change-Id: I3b14f7807af561a79d6e0ca87aff1ab6051be596 Reviewed-on: https://gem5-review.googlesource.com/c/12600 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-09systemc: Teach verify.py to filter messages which start within a line.Gabe Black
It's possible for a test to generate a warning or error in the middle of a line of output. The previous filter generator function would create a filter which would only detect those messages which started at the beginning of a new line. Change-Id: I40372dc33049df84f3111e4d63a6619db97dcaa3 Reviewed-on: https://gem5-review.googlesource.com/c/12597 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Make some tests use cout instead of cerr to report completion.Gabe Black
cerr goes to simerr, but we compare simout against the golden output. Change-Id: I9270866a92dd06a23d47c1964dacc4872030f30d Reviewed-on: https://gem5-review.googlesource.com/c/12470 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Teach verify.py to ignore two types of errors.Gabe Black
Change-Id: I9e61a034d7f71bc9b1f28cb976ae8b17d6f37612 Reviewed-on: https://gem5-review.googlesource.com/c/12465 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Mark a test as expected to fail/report an error.Gabe Black
Change-Id: Ia5e22000449e233a079d8ba7d777a3d030138a44 Reviewed-on: https://gem5-review.googlesource.com/c/12464 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Mark some tests as expected to fail.Gabe Black
One of them, systemc/kernel/sc_time/test07, should fail, but it should fail from an error check and not a floating point exception like it currently does. Change-Id: I8c8f3c0aac5a5061780a248bde5f6de2feeecc8c Reviewed-on: https://gem5-review.googlesource.com/c/12462 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Teach verify.py to ignore a new error.Gabe Black
Change-Id: Id967719803b5b306792c9fe6e6ddd36c36e09a88 Reviewed-on: https://gem5-review.googlesource.com/c/12460 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Record that one of the tests will report an error.Gabe Black
This test purposefully fails with an error. Change-Id: I305a186ee076ff4e63ee82c69c27ce85dabc8fdd Reviewed-on: https://gem5-review.googlesource.com/c/12459 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Teach verify.py to ignore "In file: *" in test output.Gabe Black
Those lines are sensitive to the paths to the test files and are even redacted in the golden reference output, presumably for that reason. Change-Id: I9fbd94c1b6d9d4e76397e84a4175d326f27b6e4d Reviewed-on: https://gem5-review.googlesource.com/c/12451 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Make verify.py filter out some error messages.Gabe Black
Some of the details of these messages would be annoying to match exactly, and the error messages in gem5 go to simerr which isn't being checked. Change-Id: If80b124dd99987e205ccaf81d313d35df4191252 Reviewed-on: https://gem5-review.googlesource.com/c/12449 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Tell verify.py to expect two tests to fail.Gabe Black
These tests purposefully fail when they run, so a return code of 1 should be considered successful. Change-Id: Ia4ef0469ed946d26a767805ca2d0acd734f1aec9 Reviewed-on: https://gem5-review.googlesource.com/c/12448 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-10-03systemc: Teach verify.py how to expect failing error codes.Gabe Black
Some tests expect to fail. For those tests (and only those tests) we need to tell verify.py that it's ok if their exit status isn't 0. Also if those tests *don't* fail, then that will also be flagged as an error. This is done by adding an expected_returncode file into the test's source directory which holds what the expected return code should be. Change-Id: I239a28e1d98dd3f76b71028660e492f675a0b3cb Reviewed-on: https://gem5-review.googlesource.com/c/12446 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-26systemc: Abort verify.py if no tests were selected.Gabe Black
The various phases assume there are at least some tests, and if there are none they may try to run malformed commands. Change-Id: I041d35c504da57b830c490651ab1b3c98e0288ca Reviewed-on: https://gem5-review.googlesource.com/12273 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-26systemc: Make verify.py run the tests from the directory they expect.Gabe Black
Change-Id: I4c902cd81f7e46f81f601cae0ff2da044ef48f85 Reviewed-on: https://gem5-review.googlesource.com/12272 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-26systemc: Add a --working-dir option to the test config.py.Gabe Black
The tests expect to be run from a certain directory. Generally that doesn't matter, but in at least one case the test opens a file with a relative path, and that doesn't work unless CWD is what it expects. Change-Id: I34c0ed975e77daed50ace4f7eebd034bf04c5595 Reviewed-on: https://gem5-review.googlesource.com/12271 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-26systemc: Change the test binaries to use rpath.Gabe Black
Use rpath to link the gem5 dynamic library into the systemc test binaries so that they don't have to be run from a particular directory to resolve all their linking dependencies. Change-Id: I66b18c23ae6bbf32a959022f8789fc8bdd3a6c6b Reviewed-on: https://gem5-review.googlesource.com/12270 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-25systemc: Make the test config retrieve sc_main results.Gabe Black
Accellera's implementation prints any sc_report which is thrown and escapes sc_main, so we need to do the same to make some tests pass. Arguably gem5 should fail if sc_main reports an error, but verify.py would interpret that as the test failing too, and some tests purposefully generate errors. This change also stops using the logging module. It wasn't really providing any benefit, and added extra decoration to log messages which confused verify.py. Change-Id: I6850d0ada5e477b67527d99d421478586cda93b3 Reviewed-on: https://gem5-review.googlesource.com/12254 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-25systemc: Make a test use cout for all its messages.Gabe Black
This makes them end up in simout so verify.py can find them when it's checking output. Change-Id: I2b7b276b3e1816a257f58b0cfb13487d6296e6fd Reviewed-on: https://gem5-review.googlesource.com/12216 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Teach verify.py to ignore another deprecation warning.Gabe Black
Change-Id: I4c45431abebafd69f485f9d740da30f4b957f609 Reviewed-on: https://gem5-review.googlesource.com/12207 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Generalize ignoring info messages in the reference output.Gabe Black
Those messages are very implementation specific and don't (generally) affect correctness. This makes it easier to ignore info messages based on their number. This change also makes the output checker ignore a similarly styled message gem5 generates. We should consider making gem5 not generate that message and have it generate another message instead which is specific to gem5. We would need to filter that out too when comparing results. Change-Id: I93b9e2d547b6259512db091cfc557d21f86f4a3d Reviewed-on: https://gem5-review.googlesource.com/12086 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Exclude two more tests which have undefined functions.Gabe Black
It seems that implementing more of systemc makes the compiler think it wants an implementation, and so the build fails with linker errors. Change-Id: I6f0b031f300b0ad60dac8b4462b8f4d466aa7dfa Reviewed-on: https://gem5-review.googlesource.com/12081 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Ignore a warning in the reference test outputs.Gabe Black
The warning is about deprecated sc_module constructors which don't take an sc_module_name. Change-Id: I2ef864a5bdac93eb8104a842179ffe45a8335085 Reviewed-on: https://gem5-review.googlesource.com/12068 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Always set USE_SYSTEMC=1 when compiling with verify.py.Gabe Black
It doesn't make sense not to have systemc enabled when building the systemc regression tests. Change-Id: I23b81fd4d7cbd0dbf5efbea773d816296d6492be Reviewed-on: https://gem5-review.googlesource.com/12065 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-20systemc: Make verify.py ignore an Info: message.Gabe Black
This message is about how to disable a warning about sc_bit being deprecated. Change-Id: I1a0b12e2ca5b58328e37605ba3f7e3e1a384e351 Reviewed-on: https://gem5-review.googlesource.com/12064 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-11systemc: Make verify.py ignore another warning.Gabe Black
Also make warning filters more general and easier to add by writing a function to generate them. Change-Id: I8d813ded9ad8a9ccac4e48e5ea80a3c9c23959da Reviewed-on: https://gem5-review.googlesource.com/12061 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-11systemc: Make verify.py compare non output log reference files.Gabe Black
There are only a few of these which are vcd files. If there are reference files which aren't the log and which aren't in the gem5 output directory, mark those tests as failed as well. Change-Id: I2c880c13d0f90ccf16ac0439dbac68de9223cc90 Reviewed-on: https://gem5-review.googlesource.com/12060 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-11systemc: Delete empty/misnamed test reference file.Gabe Black
The name of the reference file doesn't match the name of the test, and is empty. There's also a correctly named log file in the same directory which will be used instead. Change-Id: I6501b465b99af403ae4af6d43189280c4b45fc8f Reviewed-on: https://gem5-review.googlesource.com/12059 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-11systemc: Remove some junk test reference files.Gabe Black
These files have truncated names, and are identical to correct versions of the log files. Change-Id: I1e5e3c8c489d41dea21f62b4664b05bf6a742117 Reviewed-on: https://gem5-review.googlesource.com/12058 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
2018-09-11systemc: Make verify.py delete obsolete diff files.Gabe Black
If diff file exists but the underlying diff has been fixed, delete the diff file. Change-Id: Icadc21a61c084198a8a246ab6d00a9b885647cde Reviewed-on: https://gem5-review.googlesource.com/12056 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>
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