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Change-Id: I771607c4436f4c1ca9d355d1da52924308cfc3b3
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17229
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
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These bring in some pieces that those headers use but were only
coincidentally included by something else when they were used.
Change-Id: I5f119260d8f25d914d8545a60834f23f65f82d0c
Reviewed-on: https://gem5-review.googlesource.com/c/16948
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Some systemc code bases expect to find a SYSTEMC_HOME environment
variable which points to the installed header files provided by
systemc, all under ${SYSTEMC_HOME}/include. The systemc headers in
gem5 are not supposed to be installed anywhere, but to satisfy those
expectations this change creates a dummy systemc_home directory with
an include/ in it which has headers which just include the actual
headers in src/systemc/ext.
More gem5 aware code bases can still access the headers either by
letting gem5's scons environment -I the ext directory, or can do so
themselves if they're not being built by gem5's scons.
Change-Id: I5f2e6bfcf20dd314d525207c2e13ca53474a33f3
Reviewed-on: https://gem5-review.googlesource.com/c/16263
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The includes in src/systemc/ext are supposed to use relative paths so
that they can be included in other bodies of code which aren't based
in gem5 and don't share it's -I-s, or potentially even have access to
anything outside of src/systemc/ext.
Change-Id: Icde457329c2c4ab4689221015bfcfe2ff8b051f0
Reviewed-on: https://gem5-review.googlesource.com/c/16262
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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g++ complained about comparing an signed int loop counter with the
return value of a size() function. This change changes it to an
unsigned to make g++ happy/quiet.
Change-Id: I28fa79c448465b24d77b5623860f9b991f313561
Reviewed-on: https://gem5-review.googlesource.com/c/16286
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
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There are a couple things this CL fixes related to the TLM #includes.
1. Removes #includes of <systemc> and <tlm>. These bring in a header
file from boost which shouldn't be necessary but which some of the
tests (and likely some external code) depends on. We avoid including
those in files built into gem5 itself so that gem5 isn't dependent on
boost.
2. All includes in ext should be relative. That way those headers can
be removed from gem5 and still build, allowing them to be moved over
to or referenced from a foreign codebase which isn't part of gem5.
Change-Id: I76e267385b48cb4fe93aea89ec8319c76465a0a4
Reviewed-on: https://gem5-review.googlesource.com/c/15796
Reviewed-by: Ciro Santilli <ciro.santilli@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Some brackets were misapplied while correcting the style of the TLM
header files.
Change-Id: I4e26d0316ca2545a5f26ad5fef0e986e42a1895b
Reviewed-on: https://gem5-review.googlesource.com/c/15455
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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The sc_event_finder class in Accellera's implementation has a
non-standard report_error function that it uses internally. The TLM
headers were calling that function in their own event finder subclass.
This change replaces that call with what should be an equivalent bit of
code which is based on the report_error implementation.
Change-Id: Id57d26791df01403a77e70d5f4a00f650dc33599
Reviewed-on: https://gem5-review.googlesource.com/c/15063
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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The former is either the same as the later, or a custom wrapper if
C++11 isn't supported. Since we generally expect C++11 support, we can
skip the indirection.
Change-Id: I9a45e3854bb7cc56d094e3fe2773fe4b5c94403b
Reviewed-on: https://gem5-review.googlesource.com/c/15297
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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That event being available is nonstandard. Define our own static event
for use in that case.
Change-Id: I5e8892bd83cc1984d63949ef3e249755dca0c702
Reviewed-on: https://gem5-review.googlesource.com/c/15296
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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This makes those files more consistent with other headers in gem5. The
top level headers (tlm and tlm.h) and the tlm_utils headers were left
alone since the user might reasonably expect those to have a well known
name. The tlm_core headers by comparison are an implementation detail,
and users shouldn't include them directly by name.
Change-Id: Ibc82e8159e47717c79d76f50ed96fdd619294a06
Reviewed-on: https://gem5-review.googlesource.com/c/15067
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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The TLM headers rely on this non-standard function.
Change-Id: Iaedec35f1f363dcf3e1fcdb58a74eb2cdc05ddc0
Reviewed-on: https://gem5-review.googlesource.com/c/15061
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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A lot of TLM implementation assumes the string functions (memcpy,
memset, etc) are available, but don't include cstring. Lets do that
for them to avoid having to fix up a lot of places.
Change-Id: I1f26d3a227fe2cefc2613e24cbb0333216e46ee9
Reviewed-on: https://gem5-review.googlesource.com/c/15060
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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We already know those files belong to tlm because of the directory
they're in. Removing the prefix makes the paths of the headers less
enormously long.
Change-Id: I869e58fae904162f353bb31f4c0919fba08dffa6
Reviewed-on: https://gem5-review.googlesource.com/c/15059
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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The TLM event finder class was calling implementation specific
functions from the Accellera version of systemc. This change replaces those
calls with equivalent calls which match the gem5 implementation.
Change-Id: I0ecdb0a4bf09aeb1aad823a01105fbd88edb4601
Reviewed-on: https://gem5-review.googlesource.com/c/15075
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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Change-Id: Id12ffb9b56b3887afcf30120f81ce5eb75a5987b
Reviewed-on: https://gem5-review.googlesource.com/c/15057
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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These headers will need to be cleaned up and have some Accellera
specific quirks ironed out of them, but I'll do that in a later change
to make it clear what those changes are.
Change-Id: Ia4e08633ab552b4c616c66c9b7e2bbd78ebfe7b9
Reviewed-on: https://gem5-review.googlesource.com/c/15055
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
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sc_in::bind and sc_core::sc_object::print shadow their respective base
class method. This change adds the necessary declarations to inform
the compiler that this is intentional.
Change-Id: I8c6bc0f05aa568630783db63d52be90f4ea4748c
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/15135
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Boolean sc_buffers (either pure bool or sc_dt::sc_logic) should signal
positive and negative edges and resets even when their value doesn't
change, unlike sc_signals. The spec doesn't actually say that and just
mentions the value changed event, but it may have been implied that the
other types of events also happen, they just made special mention of
the value change event.
This change moves some code around a bit so that when _signalChange()
is called, if the underlying type is a boolean signal, it will
automatically notify the appropriate edge event and signal any reset.
Putting the functionality in _signalChange instead of delegating it to
the sc_buffer lets us have a single template for sc_buffer and makes
the base class template specialization handle whether the edge events
exist, and if so which should be notified.
Change-Id: Ic4ca86afc3fde6a9df5c15a0a7386e24ac89a9e2
Reviewed-on: https://gem5-review.googlesource.com/c/14916
Reviewed-by: Matthias Jung <jungma@eit.uni-kl.de>
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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ARM architectures were not covered in the endianess #if cases, which
lead the build to fail on an arm host with message:
error The file boost/detail/endian.hpp needs to be set up for your CPU
type.
Change-Id: Id012cf37810da113174a51746e290e25138739cb
Reviewed-on: https://gem5-review.googlesource.com/c/14595
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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These were consistent, but redundant and incorrect none the less.
Change-Id: I9ff7fdb9c83f9a8af6fbe969c6c73b9aab8967ad
Reviewed-on: https://gem5-review.googlesource.com/c/14136
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I073ccb0f2c6d1bfebadb95869d6acf7f4ce565af
Reviewed-on: https://gem5-review.googlesource.com/c/14135
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The sc_in bind function was hiding the one from sc_port by changing
the const-ness of its parameter. This change explicitly exposes the
underlying sc_port version, and keeps it alongside the new sc_in
version.
This seems mildly dangerous and undesirable because now there are two
very similar functions which would both need to be overridden in order
to get new behavior, but I don't think it's any more dangerous and
undesirable than as (perhaps unintentionally) specified in the
standard.
Change-Id: Ib42a1f8e70bc97abeeeb8d614e71c4019b3a2323
Reviewed-on: https://gem5-review.googlesource.com/c/13880
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The previous implementation dereferenced a null pointer to create a
reference which would then have its address taken in the sc_bind_proxy
constructor. clang says that that uses undefined behavior, so this
change adds a default constructor which initializes the two contained
pointers to null explicitly.
We have to hope systemc code doesn't play around with sc_bind_proxy too
much and doesn't accidentally use this constructor unintentionally, but
it seems like the least bad possible solution which makes clang happy.
Change-Id: Ic59603495fe7a406586a18ce44de979f84089bcd
Reviewed-on: https://gem5-review.googlesource.com/c/13879
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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These don't need to exist, and the specifics of their stub
implementations were upsetting clang.
Change-Id: Ib38a39c5cfbc2e1647cfb6ed14c660e10df2b1c3
Reviewed-on: https://gem5-review.googlesource.com/c/13878
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The class was defined, but only later in the file. By putting the
function definition later, clang stops reporting an error.
Change-Id: Id4dd1ec3f3a06f4d1dc10ef4ff8c545d98a6ae12
Reviewed-on: https://gem5-review.googlesource.com/c/13877
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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These warnings were removed when the functionality they warned about
was implemented, but there were some leftovers like unnecessary
includes and some helper functions which hid gem5 specific headers
from the ext directory.
Change-Id: Ic886ac0f1264687524e3a7b7eaab8836f318a5a2
Reviewed-on: https://gem5-review.googlesource.com/c/13398
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This gets rid of one of the last instances of a warning about
unimplemented functionality.
Change-Id: I3d8e50ea45554cba969118ce873ed3d2b041ec43
Reviewed-on: https://gem5-review.googlesource.com/c/13395
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The scheduler is an internal detail and shouldn't be exposed to the
headers in ext. It would transitively include more headers which are
not in ext, making it not self contained.
Change-Id: I8384cde9d19363953ffd0c91e7d8d27f8f79a570
Reviewed-on: https://gem5-review.googlesource.com/c/13336
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Reads shouldn't free up space until an update happens.
Change-Id: I18e1601c27b44643f103c86f04b1fa2c23baf1e8
Reviewed-on: https://gem5-review.googlesource.com/c/13333
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Create and use predefined messages for datatypes which match the ones
Accellera uses.
Change-Id: I92dd52f62462b864264217bb81f3ff1dcec020bf
Reviewed-on: https://gem5-review.googlesource.com/c/13331
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Create and use predefined messages for channels which match the ones
Accellera uses.
Change-Id: I179214838bbd83604e50225926cdc6b5b1b16923
Reviewed-on: https://gem5-review.googlesource.com/c/13330
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Create and use predefined messages for utils which match the ones
Accellera uses.
Change-Id: I932b7206fc16181d01a0d5b7441ce617b30e5365
Reviewed-on: https://gem5-review.googlesource.com/c/13328
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Create and use predefined messages for core which match the ones
Accellera uses.
Change-Id: I05b1398933f753946d5917f39d0f39c7cb45ed9f
Reviewed-on: https://gem5-review.googlesource.com/c/13323
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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There's a deprecated reporting mechanism based on integer message ids,
and the reporting mechanism needs to be refactored a bit to make it
easier to support.
Some bookkeeping data structures were moved out to somewhere they
can be accessed by other code, obviating the non-standard get_handler
function.
Change-Id: Id427cd79be9ef0f3275fbac39ff047ab672fb3e0
Reviewed-on: https://gem5-review.googlesource.com/c/13318
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The internal events aren't supposed to show up in the namespace or as
children of objects.
Change-Id: Id04b9bfe2e1f8f216390dd989797558eaf33d715
Reviewed-on: https://gem5-review.googlesource.com/c/13309
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Rather than assuming the port is bound, check and report an error.
Change-Id: I4af89d104bc6de9932ff044740446833732d01d9
Reviewed-on: https://gem5-review.googlesource.com/c/13300
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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These are used in one of the tests, specifically the comma operator. It
didn't cause compilation to fail because of the default meaning of the
comma.
Change-Id: I7ce7fe74f02d4ad6a4ab896a2f0d6bd1ce635c2f
Reviewed-on: https://gem5-review.googlesource.com/c/13298
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Rather than just asserting some invariants are true, report errors if
they aren't.
Change-Id: Id361b8a13011e1a75289ddddb6b41c1d09dbf794
Reviewed-on: https://gem5-review.googlesource.com/c/13296
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The previous implementation used the value changed event to track when
signals changed value, but there were a couple problems with this
approach. First, this piggybacked on the sensitivity mechanism in some
ways, but diverged in others. The sensitivity didn't notify a process
when it was satisfied like other sensitivity types would, and it also
ignored whether the process was disabled.
Second, the value_changed_event is notified by a signal instance as a
delta notification, but reset signals are supposed to act immediately.
That means they should happen before all delta notifications, or in
other words all delta notifications should see the reset status of a
given process. That's particularly important in the case of wait(int n)
where setting the reset clears the reset count, and the count is
checked when determining whether or not to wake up a process when its
sensitivity is satisfied, potentially by a delta notification.
Third, by removing the middle man and not trying to repurpose the
sensitivity mechanism, the code gets simpler and easier to understand.
Change-Id: I0d05d11437291d368b060f6a45a207813615f113
Reviewed-on: https://gem5-review.googlesource.com/c/13294
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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The two different processes we have to use to match Accellera behavior
would trip the checks in write.
Change-Id: Iee729b239bccd8f7b854894000c9ef2c47600563
Reviewed-on: https://gem5-review.googlesource.com/c/13202
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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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>
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This function is standard and supposed to be on sc_interface, but it
was somehow left out. This change adds it, and makes sure it's called
by the port binding code. The default implementation does nothing, as
it's supposed to according to the spec.
Also note that only the ports farthest from the interfaces are suppose
to call register_port. As the port bindings are completed, we keep
track of whether a port has been bound to another port. If it has, the
source port is farther from the interfaces than the target port (since
it has to go "through" the target port to get to them, and so the
target port should not call register_port.
Change-Id: Ia98f9ff364385fd1699d88a1d99787d205816a08
Reviewed-on: https://gem5-review.googlesource.com/c/13199
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The calls to sc_channel_warn_unimpl have been removed, so the includes
aren't needed.
Change-Id: I58a916a7c4ef9a266be591789696457799b6b8dd
Reviewed-on: https://gem5-review.googlesource.com/c/13198
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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Change-Id: I3cf096c4432fdf310fa1279da32620d5c9f57b5d
Reviewed-on: https://gem5-review.googlesource.com/c/13197
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The assumption was that a port wouldn't have any interfaces until
after elaboration, and that if it would be traced, it would have
interfaces. Checking if the simulation has started (and hence
elaboration has finished) is a more accurate and direct way to check
the same thing.
Change-Id: I7fe9ecea469997d1a257dd3e4a0db31889aff722
Reviewed-on: https://gem5-review.googlesource.com/c/13195
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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This creates a depenendency on c++11 which the headers otherwise avoid,
but gem5 itself already has a c++11 dependency and not a boost
dependency, and outside of having a local copy of boost (which
Accellera does) there isn't a good way to put the placeholder values
_1, _2, etc., into the custom sc_unnammed namespace.
Change-Id: I52ca4c1bc52bef6ff2c62e9f3c32af46f95244dc
Reviewed-on: https://gem5-review.googlesource.com/c/13193
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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The sc_time constructor was being called, but because of implicit type
conversions, a const char * was being treated as a bool and totally
unrelated constructor was being called.
This change adds and implements the missing but non-standard
constructor. It also implements the from_string function which uses
that constructor.
Change-Id: I21e7e40fd1a8d1c579b1abdc2036d016501f510c
Reviewed-on: https://gem5-review.googlesource.com/c/13191
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
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