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Ryan Houdek
e84848b16b
This moves the CPU feature querying to the frontend. The primary purpose here is for the wow64 frontend to not require linux-isms for querying these features. This is required since non-Linux environments don't have the "CPUID" feature for reading EL1 MSRs in EL0. Wiring up the remaining wow64 registry querying is left for a future exercise. This also technically removes an xbyak requirement from FEXCore for when building the x86 Test harness runner, but that doesn't really matter for regular use cases.