878 static int emulate_string_inst(struct pt_regs *regs, u32 instword)  in emulate_string_inst()  argument
880 	u8 rT = (instword >> 21) & 0x1f;  in emulate_string_inst()
881 	u8 rA = (instword >> 16) & 0x1f;  in emulate_string_inst()
882 	u8 NB_RB = (instword >> 11) & 0x1f;  in emulate_string_inst()
888 	if ((instword & PPC_INST_STRING_MASK) == PPC_INST_LSWX)  in emulate_string_inst()
894 	switch (instword & PPC_INST_STRING_MASK) {  in emulate_string_inst()
917 		switch ((instword & PPC_INST_STRING_MASK)) {  in emulate_string_inst()
950 static int emulate_popcntb_inst(struct pt_regs *regs, u32 instword)  in emulate_popcntb_inst()  argument
955 	ra = (instword >> 16) & 0x1f;  in emulate_popcntb_inst()
956 	rs = (instword >> 21) & 0x1f;  in emulate_popcntb_inst()
967 static int emulate_isel(struct pt_regs *regs, u32 instword)  in emulate_isel()  argument
969 	u8 rT = (instword >> 21) & 0x1f;  in emulate_isel()
970 	u8 rA = (instword >> 16) & 0x1f;  in emulate_isel()
971 	u8 rB = (instword >> 11) & 0x1f;  in emulate_isel()
972 	u8 BC = (instword >> 6) & 0x1f;  in emulate_isel()
1008 	u32 instword;  in emulate_instruction()  local
1015 	if (get_user(instword, (u32 __user *)(regs->nip)))  in emulate_instruction()
1019 	if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {  in emulate_instruction()
1021 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()
1027 	if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {  in emulate_instruction()
1033 	if ((instword & PPC_INST_MCRXR_MASK) == PPC_INST_MCRXR) {  in emulate_instruction()
1034 		int shift = (instword >> 21) & 0x1c;  in emulate_instruction()
1044 	if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {  in emulate_instruction()
1049 		return emulate_string_inst(regs, instword);  in emulate_instruction()
1053 	if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {  in emulate_instruction()
1055 		return emulate_popcntb_inst(regs, instword);  in emulate_instruction()
1059 	if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {  in emulate_instruction()
1061 		return emulate_isel(regs, instword);  in emulate_instruction()
1065 	if ((instword & PPC_INST_SYNC_MASK) == PPC_INST_SYNC) {  in emulate_instruction()
1073 	if ((((instword & PPC_INST_MFSPR_DSCR_USER_MASK) ==  in emulate_instruction()
1075 	     ((instword & PPC_INST_MFSPR_DSCR_MASK) ==  in emulate_instruction()
1079 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()
1084 	if ((((instword & PPC_INST_MTSPR_DSCR_USER_MASK) ==  in emulate_instruction()
1086 	     ((instword & PPC_INST_MTSPR_DSCR_MASK) ==  in emulate_instruction()
1090 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()
1382 	u32 instword, rd;  in facility_unavailable_exception()  local
1410 		if (get_user(instword, (u32 __user *)(regs->nip))) {  in facility_unavailable_exception()
1416 		if ((instword & PPC_INST_MTSPR_DSCR_USER_MASK)  in facility_unavailable_exception()
1418 			rd = (instword >> 21) & 0x1f;  in facility_unavailable_exception()
1425 		if ((instword & PPC_INST_MFSPR_DSCR_USER_MASK)  in facility_unavailable_exception()