MMUCR_STID
[stspid] "r" (MMUCR_STS | (pid & MMUCR_STID)),
[clr] "r" (MMUCR_STS | MMUCR_STID)
: [ctx] "r" (ctx & MMUCR_STID),
[clr] "r" (MMUCR_STS | MMUCR_STID), [i] "r" (i),
[clr] "r" (MMUCR_STS | MMUCR_STID), [i] "r" (tlb_nreserved),
: [clr] "r" (MMUCR_STS | MMUCR_STID), [i] "r" (tlb_nreserved),