diff options
Diffstat (limited to 'src/cpu/base.hh')
-rw-r--r-- | src/cpu/base.hh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cpu/base.hh b/src/cpu/base.hh index 321b785a2..cc3f861cc 100644 --- a/src/cpu/base.hh +++ b/src/cpu/base.hh @@ -101,6 +101,13 @@ class BaseCPU : public MemObject // therefore no setCpuId() method is provided int _cpuId; + /** Each cpu will have a socket ID that corresponds to its physical location + * in the system. This is usually used to bucket cpu cores under single DVFS + * domain. This information may also be required by the OS to identify the + * cpu core grouping (as in the case of ARM via MPIDR register) + */ + const uint32_t _socketId; + /** instruction side request id that must be placed in all requests */ MasterID _instMasterId; @@ -145,6 +152,9 @@ class BaseCPU : public MemObject /** Reads this CPU's ID. */ int cpuId() const { return _cpuId; } + /** Reads this CPU's Socket ID. */ + uint32_t socketId() const { return _socketId; } + /** Reads this CPU's unique data requestor ID */ MasterID dataMasterId() { return _dataMasterId; } /** Reads this CPU's unique instruction requestor ID */ |