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Re: SH5 simulator contribution
>>>>> "Andrew" == Andrew Cagney <email@example.com> writes:
Andrew> That would be very useful. This means that when you say it supports the
Andrew> sh2..sh4 it is through the backward compatibility of the instruction set
Andrew> architecture. This explains why the config tweeks only enable the
Andrew> simulator when sh64-elf.
Andrew> If I understand the sim/sh simulator correctly, it currently generates
Andrew> an sh-dsp sim which is backward compatible with sh2-4 (sh1?) but not
Andrew> with sh5. This means that the new sh5 simulator is not a drop in
Andrew> replacement for the existing simulator (it lacks sh-dsp).
Andrew> Unless the new simulator gains sh-dsp support, the sim directory will
Andrew> need to be configurable so that the user can select either the DSP xor
Andrew> the SH5 simulator. That, I suspect, is going to get messy. I think GDB
Andrew> should be able to assume a single SH remote-sim interface but here, I
Andrew> suspect, it is currently contending with two different interfaces :-(
Hence, this is why the sh5 sim is only configured when the target is