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Dynamic and Static sensitivities used to be represented by the same
classes, even though they're (almost) disjoint in how they worked. Also
timeouts, which can be used alongside dynamic sensitivities, were
handled by the sensitivities themselves. That meant that the
sensitivity mechanism had to mix in more types of behaviors,
increasing complexity. Also, the non-standard timed_out function
Accellera includes is harder to implement if the path for timeouts and
regular sensitivities are mixed together.
This change splits up dynamic and static sensitivities and splits out
timeouts. It also immitates the ordering Accellera uses when going
through sensitivities for an event. Static sensitivities are triggered
first in reverse order (why?), and then dynamic sensitivities are
triggered in what amounts to reverse order. To delete a sensitivity
which has been handled, it's swapped with the one in the last position,
and then the vector is truncated to drop it at the end. This has the
net effect of stirring the dynamic sensitivities, and isn't easily
immitated using a different approach, even if other approaches would
be more straightforward.
Double check addSensitivity for event.hh
Change-Id: I1e73dce386b95f68e9d6737deb8bed70ef717e0d
Reviewed-on: https://gem5-review.googlesource.com/c/12805
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This required a small change to sc_signal so that the value change
event and the change stamp for it were accessible.
Change-Id: Ife0545d84f3b25e98da079786c30ffa51025cce7
Reviewed-on: https://gem5-review.googlesource.com/c/12804
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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These check whether those classes are being constructed in legal
circumstances, and avoids a null pointer dereference.
Change-Id: Ied36ee15c3d7bf6ee444351a841c38576780298e
Reviewed-on: https://gem5-review.googlesource.com/c/12622
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This is "implementation defined" but needs to exist to match the
golden reference output from Accellera.
Change-Id: I9b7949343b7c62a8d568abc06ab4dfc88233b20a
Reviewed-on: https://gem5-review.googlesource.com/c/12621
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: Ib595da10e0f900ee4cc1847d41d29251dacb55d7
Reviewed-on: https://gem5-review.googlesource.com/c/12620
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This is just a non-standard static alias for the sc_time_stamp
function.
Change-Id: Ibcd0559e7dab8232528628259abb8d1bfaee16e0
Reviewed-on: https://gem5-review.googlesource.com/c/12619
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I8a5bd03b46d44aeca3bba15a01a5f2180b4ed5c7
Reviewed-on: https://gem5-review.googlesource.com/c/12618
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I778d41bd81880e76caa71dc92359a00127d8f987
Reviewed-on: https://gem5-review.googlesource.com/c/12617
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The datatype code was checking if SC_LONG_64 was defined to determine
if a long was 64 bits. The code that would define that value was
dropped when porting over from the Accellera implementation, and so
the wrong code was being included. This change both makes those checks
look at the *value* of SC_LONG_64 to ensure that it's not missing by
accident, and assigns it a value in sc_fxdefs.hh.
Change-Id: Ie9bb1146452a3db1d9d99c0db575098bb06463ff
Reviewed-on: https://gem5-review.googlesource.com/c/12616
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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SC_CJOIN is non-standard, but relied on by the Accellera tests.
Change-Id: Ia4ddcb1749a07891157a58398137e94fcaa8e815
Reviewed-on: https://gem5-review.googlesource.com/c/12615
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Also adjust some code to avoid floating point rounding problems and
integer overflow issues.
Change-Id: Ib4b9c4cf4af00333951db5ce07819556141aa5da
Reviewed-on: https://gem5-review.googlesource.com/c/12614
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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We were keeping track of processes which should be initialized and
those which shouldn't on two different lists, and then processing
each list one after the other. This could reorder processes from the
order they were created, and so cause spurious differences which cause
the Accellera tests to fail.
This does make the scheduler slightly simpler, so it's not all bad.
Change-Id: I63306a41ce7bea91fa9ff2f6774ce9150134ce48
Reviewed-on: https://gem5-review.googlesource.com/c/12613
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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It's totally legal to signal that an event happened to waiting
processes in any order we choose, but to match the order of events
which appears in the Accellera test golden output, we need to do things
in the order they did. This is less efficient, but will reduce the
number of false positives.
Change-Id: Ie2882249ae846991d627f5f688a9e89e629bb300
Reviewed-on: https://gem5-review.googlesource.com/c/12612
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Since we don't track the current process using the sc_curr_proc_handle
structure, we keep one around just to return from the appropriate
accessor, and set its values when it's requested. If the object is
kept around, those values won't change to track changing processes.
From what I see, none of the tests rely on the value tracking the
process beyond the callsight.
Change-Id: I1ad3b7a7b15aa0bc4d218f986ffbe7c51501b296
Reviewed-on: https://gem5-review.googlesource.com/c/12611
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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Accellera sets up the mechanism which toggles sc_clock differently
than it's set up in gem5. This change moves things around a little to
more closely match the order things are done by Accellera so that the
test output matches.
Change-Id: Ia6d327f4cd5d689f6969398f02a66278a3dc010c
Reviewed-on: https://gem5-review.googlesource.com/c/12609
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This function requires some slightly annoying bookkeeping since it
doesn't just report whether the current process is running as a result
of a timeout, it reports whether it's running as a result of a timeout
*and* it could have been running from some other sensitivity instead.
Pure timeouts don't count as timeouts which makes it harder to handle
in a general way.
Change-Id: I533d97fe66d20d7b83aba80f2ef45a8944668070
Reviewed-on: https://gem5-review.googlesource.com/c/12608
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I6005c12ce32d24413618e3955625432985f99f69
Reviewed-on: https://gem5-review.googlesource.com/c/12607
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: If261c7a981a247884f0a6466756966b454f197f4
Reviewed-on: https://gem5-review.googlesource.com/c/12606
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The scheduler tracked whether it was paused or stopped with two bools
which are mutually exclusive. It's useful to be able to also check for
some other mutually exclusive states like what phase the scheduler is
currently running.
Rather than adding a bunch of additional bools, this change switches
those mutually exclusive states over to an enum, and adds some methods
to access and maintain that enum.
Change-Id: Ia9696b2853d1b122c1100c9df0e12b018fe9b84b
Reviewed-on: https://gem5-review.googlesource.com/c/12605
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The t0Handler runs the scheduler's initPhase function which has a call
to update built into it. There's no reason to call that within one of
the kernel's callbacks as well.
Change-Id: I02c755b7d53f93accdacf8149cc1988d7a6e214c
Reviewed-on: https://gem5-review.googlesource.com/c/12604
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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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>
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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>
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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>
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Change-Id: I4db64f42872a6fb459faa401abdad3f168297347
Reviewed-on: https://gem5-review.googlesource.com/c/12599
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I8085ba19fd7acd69d07a1e032f2fd18b6c5fed6f
Reviewed-on: https://gem5-review.googlesource.com/c/12598
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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This is just another way to call sc_time::print, but it returns a
string instead of printing to a stream.
Change-Id: Idc90c539127e6153af9511bfe5f258b870362330
Reviewed-on: https://gem5-review.googlesource.com/c/12596
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The Accellera implementation runs processes in a cycle where it first
runs all the methods it has, then all the threads, and then starts
again in case any new methods have been scheduled. This keeps methods
and processes in the order they were marked ready (what a prior change
made this scheduler do), but also keeps the methods together and the
threads together (something it used to do, but that change made it
stop doing). This change should make the gem5 scheduler match in both
respects.
Note that its correct to run the processes in whatever order we want,
it's just that if we're going to compare against the "golden" output
from the Accellera tests, we need to match the order to get sensible
results.
Change-Id: I0b1e4ed24c56f97921148b74e90c2dca5fd3fbc4
Reviewed-on: https://gem5-review.googlesource.com/c/12595
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: Ie9bd9db92a63169980230bc9a15e153d5609dd0b
Reviewed-on: https://gem5-review.googlesource.com/c/12594
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change 719eb033fe435133abf15501c249eec10d1c861f added a typo
to se.py that breaks simpoint simulation, which generates the
following error:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/home/daniel/gem5/src/python/m5/main.py", line 435, in main
exec filecode in scope
File "./configs/example/se.py", line 217, in <module>
if not CpuConfig.is_atomic_cpu(TestCPUClass):
NameError: name 'TestCPUClass' is not defined
Change-Id: Ideede8c96a40ee16af733c3d57b02b64f1a18d12
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/13267
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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This patch adds the have_crypto ArmSystem parameter for enabling crypto
extension. This is done by modifying the AArch32/AArch64 ID registers
at startup time.
Change-Id: I6eefb7e6f6354802a14ea639ad53b75f8e1e11c5
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13252
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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Crypto instruction classes added to the MinorDefaultFloatSimdFU.
Change-Id: I0cd4aa422bec74285595312a8cf01f5f425a82cd
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13251
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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This patch implements the AArch64 AES instructions
from the Crypto extension.
Change-Id: I9143041ec7e1c6a50dcad3f72d7d1b55d6f2d402
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13250
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch implements the AArch64 secure hashing instructions
from the Crypto extension.
Change-Id: I2cdfa81b994637c880f2523fe37cdc6596d05cb1
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13249
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch implements the AArch32 AES instructions
from the Crypto extension.
Change-Id: I51e6deda748b0c26135bcfe9d0c7128f3af91f3d
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Matt Horsnell <matt.horsnell@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13248
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This patch implements the AArch32 secure hashing instructions
from the Crypto extension.
Change-Id: Iaba8424ab71800228a9aff039d93f5c35ee7d8e5
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13247
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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This is an old platform, and we haven't had official Linux kernel configs
for it in a while, so we've decided to deprecate it.
Furthermore, trying to use it fails with:
object 'RealViewEB' has no attribute 'pci_host'
and the last commit in the class happened two years ago, which indicates
that no one has been using it.
Change-Id: Icc674b00b152eb3246e05141dbaf2624cc720f21
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/12471
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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Allows compilation on clang3.5+ by fixing Winconsistent-missing-override
Change-Id: Ic0ebf3869fc2d9a29fcf7cf5a6535952f41714d0
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/13227
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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The block was being invalidated before the hash could erase
its entry, therefore it was using invalid values (tag was
being assigned MaxAddr and the secure bit was reset).
This change reorders the calls, so that the appropriate hash
entry is erased.
Change-Id: I161463df0f8f5220179bc68d7be12051e5390d01
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/13210
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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The checking function should not be able to modify either
the head and tail pointers nor should it modify its class.
Change-Id: I2ad495f0c8c6b778d48512143e94b4c9a353f22e
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/13209
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
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Turn the dynamically allocated array of pointers "boundaries"
into a STL vector.
Change-Id: I3409898473b155f69b4c6e038eba2dffb5b09380
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/13208
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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inCachesMask is not being initialized, which triggers an assertion
on insertion. Fix this by implementing a default constructor for
the FALRUBlk.
Change-Id: I587cf5e0191c4587d938e6ab6036ec1b32f37793
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/13207
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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The spec says the default name should just be "object", but the
Accellera implementation calls sc_gen_unique_name, and the tests
expects that.
Change-Id: Ic6922a6d9fb53f3126a9d527868fc11da5320446
Reviewed-on: https://gem5-review.googlesource.com/c/12593
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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These changes make the output match what Accellera outputs so that the
tests will pass.
Change-Id: I1260cec35fa39586fbef39047b9da4ff3c03b3ed
Reviewed-on: https://gem5-review.googlesource.com/c/12592
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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When being turned into gem5 coding style, a pair of "!" operators were
dropped, reversing the behavior of the functions involved.
Change-Id: Ife795c22aff953c5ab592e7baa3a5e1c15e63c84
Reviewed-on: https://gem5-review.googlesource.com/c/12591
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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The original strings pointed to by those parameters may go away before
the sc_report has been completely consumed. By copying them, we make
sure other consumers downstream can still access them.
Change-Id: Iab9a802b7ae3bb5aed3a2716cd92886b8d241dfa
Reviewed-on: https://gem5-review.googlesource.com/c/12469
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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