> I see that I can check the loongson instructions by checking for > INSN_LOONGSON2F. Using MXU if that is not set
One more thing to check is MXUEN bit of MXU control register. This should be done before handling any MXU instructions, except S32M2I/S32I2M. > What should I check for the mult or misc instructions that were there first? It should be is somewhere in LOONGSON docs.