1991/0426/power/l.s (diff list | history)

1991/0425/sys/src/9/power/l.s:246,257 – 1991/0426/sys/src/9/power/l.s:246,258 (short | long | prev | next)
1991/0425		MOVW $utlbmiss(SB), R26 MOVW M(TLBVIRT), R27 SLL $(STLBLOG-9), R27 /* delay slot fodder */
1991/0426		SRL $(6-3), R27 /* delay slot fodder, right adjust */
1991/0425		JMP (R26) TEXT utlbmiss(SB), $-4 SRL $(STLBLOG), R27, R26
1991/0426		SRL $6, R27, R26 /* right adjusted vpn */ SLL $(STLBLOG-6), R27 /* left adjusted pid */
1991/0425		XOR R26, R27 AND $((STLBSIZE-1)<<3), R27 MOVW R27, M(TLBPHYS) /* scratch register, store */
1991/0425/sys/src/9/power/l.s:273,289 – 1991/0426/sys/src/9/power/l.s:274,283
1991/0425		MOVW (R27), R27 BNE R26, R27, stlbm TLBP MOVW M(EPC), R27 MOVW M(INDEX), R26 BGEZ R26, uind TLBWR NOOP
1991/0426		MOVW M(EPC), R27
1991/0425		RFE (R27) uind: TLBWI NOOP RFE (R27)
1991/0426
1991/0425		stlbm:
1990/0227		MOVW $exception(SB), R26 JMP (R26)