diff options
Diffstat (limited to 'src/python/m5/simulate.py')
| -rw-r--r-- | src/python/m5/simulate.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/python/m5/simulate.py b/src/python/m5/simulate.py index 3583e8264..682104c26 100644 --- a/src/python/m5/simulate.py +++ b/src/python/m5/simulate.py @@ -63,6 +63,7 @@ MaxTick = 2**63 - 1 _memory_modes = { "atomic" : objects.params.atomic, "timing" : objects.params.timing, + "atomic_noncaching" : objects.params.atomic_noncaching, } # The final hook to generate .ini files. Called from the user script @@ -288,6 +289,13 @@ def switchCpus(system, cpuList, do_drain=True): # Change the memory mode if required. We check if this is needed # to avoid printing a warning if no switch was performed. if system.getMemoryMode() != memory_mode: + # Flush the memory system if we are switching to a memory mode + # that disables caches. This typically happens when switching to a + # hardware virtualized CPU. + if memory_mode == objects.params.atomic_noncaching: + memWriteback(system) + memInvalidate(system) + _changeMemoryMode(system, memory_mode) for old_cpu, new_cpu in cpuList: |