Hi folks. I was digging around in gem5 today, and thinking about the ISA dependencies of the ThreadContext class. Some of those stem from the fact that many of the functions in that class are for accessing registers, and each ISA has different types defined for integer, floating point, and "misc" (control) registers.
It seems to me that at least for the functions that access those registers, we could standardize on a generic type for all the ISAs. That would be similar to how the Addr type is the same for all ISAs, specifically a uint64_t. That type is sufficient for all the ISAs we support, although it may not always be necessary. Similarly, I think we could make the universal type for integer and control registers, a uint64_t, and floating point registers doubles. The actual type consumed by instructions could be down converted to something smaller if necessary with no loss of information. Thoughts? Gabe _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
