This patch is amending encodeAArch64SysReg so that it covers the case
where there are no arch numbers available for the misc index passed as
an argument.
This could happen if the register ID is a gem5 pseudo register which is
not associated with any architected op1/op2/crn/crm tuple.
Rather than panicking we return a nullopt.
Change-Id: I7ab70467105ef93c0c78ac4e999c7dc8e5e09925
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
this adds an option --with-libcxx, that adds the -stdlib=libc++ flag to
link against libc++ instead of libstdc++ on Linux. Currently this is
only possible with clang and may not work with all build configurations
(e.g. protobuf linked against libstdc++), so this needs to be opt-in
rather than being on by default for clang whenever libc++ is detected.
Change-Id: Ib4022a58bb2dbd32417c58f01c7443a02ff710fe
The args.cpu_type is not a type but a string so the isinstance checking
will always fail and an assertion will always be thrown
A cherry-pick of #684 to develop
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Co-authored-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
After removing `get_runtime_isa`, the `send_evicts` function in the ruby
configs assumes that there is an ISA built. This change short-circuits
that logic if the current build is the NULL (none) ISA.
Change-Id: I75fefe3d70649b636b983c4d2145c63a9e1342f7
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
These tests previously used "build/NULL" but due to changes in the
"Ruby" and "garnet_synth_traffic.py" scripts, "NULL" fails as the script
exists "X86TimingSimple" with MESI_Two_Level.
This change fixes the tests by compiling and using the correct
compilation of gem5. It shouldn't affect the tests in any negative way.
As far as I'm aware it does not matter what ISA is used for these tests.
Change-Id: I8ae84b49f65968e97bef4904268de5a455f06f5c
configs/ruby/Ruby.py fails when `DerivO3CPU` is not compiled into the
gem5 binary. The `isinstance` check fails. This fix addds a guard.
Change-Id: I1e5503ab18ec94683056c6eb28cebeda6632ae8e
- The bytesRead and bytesWritten stat had duplicate names. Updated
bytesRead and bytesWritten for dram_interface and nvm_interface
Change-Id: I7658e8a0d12ef6b95819bcafa52a85424f01ac76
After removing `get_runtime_isa`, the `send_evicts` function in the ruby
configs assumes that there is an ISA built. This change short-circuits
that logic if the current build is the NULL (none) ISA.
- The bytesRead and bytesWritten stat had duplicate names. Updated
bytesRead and bytesWritten for dram_interface and nvm_interface
Change-Id: I7658e8a0d12ef6b95819bcafa52a85424f01ac76
After removing `get_runtime_isa`, the `send_evicts` function in the ruby
configs assumes that there is an ISA built. This change short-circuits
that logic if the current build is the NULL (none) ISA.
Change-Id: I75fefe3d70649b636b983c4d2145c63a9e1342f7
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
The WriteUniqueZero is an immediate write to a Snoopable address region
that does not require any data transfer (cacheline is zeroed)
Change-Id: Ia8c9b40e08a3b7d613f0b62ce0ac4b0547860871
Reviewed-by: Tiago Muck <tiago.muck@arm.com>
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
- This script copies all resources from a mongodb database locally The
script creates a resources.json and downloads all the resources. It also
updates the resources.json to point to these local downloads instead of
the cloud bucket.
Change-Id: I15480c4ba82bbf245425205c9c1ab7c0f3501cc3
Note: A bug was identified in that the one of the special file paths,
namely /proc/meminfo contained an extra trailing /, implicitly making
the incorrect assumption that meminfo was a directory, when it is, in
fact, a (pseudo-)file. This was causing application in SE mode to fail
opening the meminfo pseudo-file with errno 13. This commit fixes this
issue.
Change-Id: I93fa81cab49645d70775088f1e634f067b300698
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
These tests previously used "build/NULL" but due to changes in the
"Ruby" and "garnet_synth_traffic.py" scripts, "NULL" fails as the script
exists "X86TimingSimple" with MESI_Two_Level.
This change fixes the tests by compiling and using the correct
compilation of gem5. It shouldn't affect the tests in any negative way.
As far as I'm aware it does not matter what ISA is used for these tests.
Change-Id: I8ae84b49f65968e97bef4904268de5a455f06f5c
configs/ruby/Ruby.py fails when `DerivO3CPU` is not compiled into the
gem5 binary. The `isinstance` check fails. This fix addds a guard.
Change-Id: I1e5503ab18ec94683056c6eb28cebeda6632ae8e
- This script copies all resources from a mongodb database locally The
script creates a resources.json and downloads all the resources. It also
updates the resources.json to point to these local downloads instead of
the cloud bucket.
Change-Id: I15480c4ba82bbf245425205c9c1ab7c0f3501cc3
The args.cpu_type is not a type but a string so the isinstance checking
will always fail and an assertion will always be thrown
Change-Id: I6a88d1a514bb323c517949632f4e76be40e87e8c
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Note: A bug was identified in that the one of the special file paths,
namely /proc/meminfo contained an extra trailing /, implicitly making
the incorrect assumption that meminfo was a directory, when it is, in
fact, a (pseudo-)file. This was causing application in SE mode to fail
opening the meminfo pseudo-file with errno 13. This commit fixes this
issue.
Change-Id: I93fa81cab49645d70775088f1e634f067b300698
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Stash requests will simply be discarded by the Home Node This will
return a CompI response to the RNF
Change-Id: I9c2ce5d4d42f380d1a554933d381cf8a8590ba22
Reviewed-by: Tiago Muck <tiago.muck@arm.com>
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Correct the instruction flags of RISC-V vector store instructions, such
as `vse64_v`, `vse32_v`. The `vse64_v` in `decoder.isa` is
`Mem_vc.as<uint64_t>()[i] = Vs3_ud[i];` and it will generate the code
`Mem.as<uint64_t>()[i] = Vs3[i];`. The current regex of assignRE only
mark the operand `Mem` as `dest` only if meet the formats like `Mem = Rd`
or `Mem[i] = Rd` because the code ` = Rd` or `[i] = Rd` match the
`assignRE` respectively. For the expression `Mem.as<uint64_t>()[i]`,
the operand `Mem` will falsely mark the operand as `src` because the
code `.as<uint64_t>()[i]` is not match the `assignRE`.
The PR will ensure the operand `Mem` is dest for the format like
`Mem.as<xxx>()[i] = yyy`.
Change-Id: I9c57986a64f1efb81eb9c7ade90712b118e0788d
Due to a change introduced in https://github.com/gem5/gem5/pull/625, a
gem5 resource will not download any external files until
`get_local_path()` is called. In the construction of the Looppoint
Resources this function was not called, the `local_path` variable was
called directly. As such, an error occured.
The downside of this fix is the Looppoint resources external files are
downloaded when `obtain_resource` is called, thus the bandwidth savings
introduced with https://github.com/gem5/gem5/pull/625 will not occur for
Looppoint resources. However, https://github.com/gem5/gem5/issues/644
proposes a fix which would supercede the
https://github.com/gem5/gem5/pull/625 solution.
Change-Id: I52181382a03e492ec1cb58b01e71bc4820af9ccc
