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| H A D | SimObject.py | diff 13356:913658aa619c Thu Sep 13 09:54:00 EDT 2018 Ciro Santilli <ciro.santilli@arm.com> python: Add utility function to override config parameters Add a utility method, SimObject.apply_config that can be used to implement SimObject param overrides from the command line. This function provides safe and convenient semantics for CLI assignment: * The override expression is evaluated in a restricted environment. The only global variables are the child objects and params from the root object. * Only params can be overridden. For example, calling methods or setting attributes on SimObjects isn't possible. * Vectors use non-standard list semantics which enable something similar to glob expansion on the shell. For example, setting: root.system.cpu[0:2].numThreads = 2 will override numThreads for cpu 0 and 1 and: root.system.cpus[0,2].numThreads = 2 sets it for cpus 0 and 2. The intention is that the helper method is called to override default values before calling m5.instantiate. Change-Id: I73f99da21d6d8ce1ff2ec8db2bb34338456f6799 Reviewed-on: https://gem5-review.googlesource.com/c/12984 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> |
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