The sc_time constructor was being called, but because of implicit type conversions, a const char * was being treated as a bool and totally unrelated constructor was being called. This change adds and implements the missing but non-standard constructor. It also implements the from_string function which uses that constructor. Change-Id: I21e7e40fd1a8d1c579b1abdc2036d016501f510c Reviewed-on: https://gem5-review.googlesource.com/c/13191 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>