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These namespaces were used to set up an environment/context where there
was an implicit guest namespace. This is an issue when there may be
multiple guest endiannesses which might be different. In cases where
we don't know what the guest endianness is, we can't rely on it being
an implicit part of our context since that would be ambiguous. In cases
where we do know, for instance in ISA specific code, we can just use
the endianness specific version that's appropriate for that context.
This also (somewhat) removes the assumption that there is a single
endianness that applies for a particular ISA. Practically speaking this
assumption will probably still stand though, since there would likely
be a non-trivial performance penalty to apply a configurable endianness
instead of a fixed one the compiler can optomize/remove.
Change-Id: I2dff338b58726d724f387388efe32d9233885680
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22374
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
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A pointer to it was set up in the MIPS and RISCV system classes, but
nothing ever set that pointer. The class was put in base/loader, but
didn't have anything to do (as far as I can see) with loading anything
it had a loadSegments method, but was not a subclass of ObjectFile.
Change-Id: I4b711a31df20e20ffc306709227f60aa020fca15
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/21464
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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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>
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This patch changes how the serialization of the system works. The base
class had a non-virtual serialize and unserialize, that was hidden by
a function with the same name for a number of subclasses (most likely
not intentional as the base class should have been virtual). A few of
the derived systems had no specialization at all (e.g. Power and x86
that simply called the System::serialize), but MIPS and Alpha adds
additional symbol table entries to the checkpoint.
Instead of overriding the virtual function, the additional entries are
now printed through a virtual function (un)serializeSymtab. The reason
for not calling System::serialize from the two related systems is that
a follow up patch will require the system to also serialize the
PhysicalMemory, and if this is done in the base class if ends up being
between the general parts and the specialized symbol table.
With this patch, the checkpoint is not modified, as the order of the
segments is unchanged.
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--HG--
rename : src/mem/vport.hh => src/mem/fs_translating_port_proxy.hh
rename : src/mem/translating_port.cc => src/mem/se_translating_port_proxy.cc
rename : src/mem/translating_port.hh => src/mem/se_translating_port_proxy.hh
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Virtual ports need TLB data which means anything touching a file in the arch
directory rebuilds any file that includes system.hh which in everything.
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a constant.
This allows one two different OS requirements for the same ISA to be handled.
Some OSes are compiled for a virtual address and need to be loaded into physical
memory that starts at address 0, while other bare metal tools generate
images that start at address 0.
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Found several more stale includes and forward decls.
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Some breakage was from my BitUnion change, some was much older.
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White space, commented out code, some other minor fixes.
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We're never going to do an alpha platform other than the one we've got.
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should configure their editors to not insert tabs
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--HG--
extra : convert_revision : 886e762e13b7a05d6d8a14bde6c2a3567c32a4d1
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--HG--
extra : convert_revision : 2870a146a1be0e8c80878090f39c0eaa15d2eb13
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--HG--
extra : convert_revision : d4e19afda897bc3797868b40469ce2ec7ec7d251
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