Symbol: AC_CSR_REFEN
usr/src/uts/sun4u/sunfire/io/ac.c
1246
ASSERT((*softsp->ac_memctl & AC_CSR_REFEN) != 0);
usr/src/uts/sun4u/sunfire/io/fhc.c
2869
stdphysio(cpa, c & ~AC_CSR_REFEN);