diff options
| author | John Alsop <johnathan.alsop@amd.com> | 2017-04-20 11:26:39 -0400 |
|---|---|---|
| committer | John Alsop <johnathan.alsop@amd.com> | 2019-06-05 13:59:00 +0000 |
| commit | f5cf6d5f5ef8df0fedcba9d3cf3c16d76a6dceae (patch) | |
| tree | 57e09482a3257960d5b8008147f65ad200783ca7 /src/mem/ruby | |
| parent | 0c0cf48e3082ba41005b5d0f56d377e432b9283e (diff) | |
| download | gem5-f5cf6d5f5ef8df0fedcba9d3cf3c16d76a6dceae.tar.xz | |
mem-ruby: Enable set size increase
Add NUMBER_BITS_PER_SET environment variable to control
the size of the bitmask in Set.hh (default=64).
Necessary for configs which require >64 instances of a given
machine type. This can be set in the build_opts file, e.g.
by adding the following line:
NUMBER_BITS_PER_SET = <number>
Change-Id: I314a3cadca8ce975fcf4a60d9022494751688e88
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18968
Reviewed-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src/mem/ruby')
| -rw-r--r-- | src/mem/ruby/common/SConscript | 2 | ||||
| -rw-r--r-- | src/mem/ruby/common/Set.hh | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/src/mem/ruby/common/SConscript b/src/mem/ruby/common/SConscript index a19268cba..b97391c0a 100644 --- a/src/mem/ruby/common/SConscript +++ b/src/mem/ruby/common/SConscript @@ -33,6 +33,8 @@ Import('*') if env['PROTOCOL'] == 'None': Return() +env.Append(CPPDEFINES={'NUMBER_BITS_PER_SET': env['NUMBER_BITS_PER_SET']}) + Source('Address.cc') Source('BoolVec.cc') Source('Consumer.cc') diff --git a/src/mem/ruby/common/Set.hh b/src/mem/ruby/common/Set.hh index cb01c9613..aba38f51e 100644 --- a/src/mem/ruby/common/Set.hh +++ b/src/mem/ruby/common/Set.hh @@ -39,13 +39,11 @@ #include "base/logging.hh" #include "mem/ruby/common/TypeDefines.hh" -// Change for systems with more than 64 controllers of a particular type. -const int NUMBER_BITS_PER_SET = 64; - class Set { private: // Number of bits in use in this set. + // can be defined in build_opts file (default=64). int m_nSize; std::bitset<NUMBER_BITS_PER_SET> bits; |