target_ulong helper_rdhwr_cpunum(CPUMIPSState *env) { if ((env->hflags & MIPS_HFLAG_CP0) || (env->CP0_HWREna & (1 << 0))) return env->CP0_EBase & 0x3ff; else do_raise_exception(env, EXCP_RI, GETPC()); return 0; }