876 static int emulate_string_inst(struct pt_regs *regs, u32 instword)  in emulate_string_inst()  argument
878 	u8 rT = (instword >> 21) & 0x1f;  in emulate_string_inst()
879 	u8 rA = (instword >> 16) & 0x1f;  in emulate_string_inst()
880 	u8 NB_RB = (instword >> 11) & 0x1f;  in emulate_string_inst()
886 	if ((instword & PPC_INST_STRING_MASK) == PPC_INST_LSWX)  in emulate_string_inst()
892 	switch (instword & PPC_INST_STRING_MASK) {  in emulate_string_inst()
915 		switch ((instword & PPC_INST_STRING_MASK)) {  in emulate_string_inst()
948 static int emulate_popcntb_inst(struct pt_regs *regs, u32 instword)  in emulate_popcntb_inst()  argument
953 	ra = (instword >> 16) & 0x1f;  in emulate_popcntb_inst()
954 	rs = (instword >> 21) & 0x1f;  in emulate_popcntb_inst()
965 static int emulate_isel(struct pt_regs *regs, u32 instword)  in emulate_isel()  argument
967 	u8 rT = (instword >> 21) & 0x1f;  in emulate_isel()
968 	u8 rA = (instword >> 16) & 0x1f;  in emulate_isel()
969 	u8 rB = (instword >> 11) & 0x1f;  in emulate_isel()
970 	u8 BC = (instword >> 6) & 0x1f;  in emulate_isel()
1006 	u32 instword;  in emulate_instruction()  local
1013 	if (get_user(instword, (u32 __user *)(regs->nip)))  in emulate_instruction()
1017 	if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {  in emulate_instruction()
1019 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()
1025 	if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {  in emulate_instruction()
1031 	if ((instword & PPC_INST_MCRXR_MASK) == PPC_INST_MCRXR) {  in emulate_instruction()
1032 		int shift = (instword >> 21) & 0x1c;  in emulate_instruction()
1042 	if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {  in emulate_instruction()
1047 		return emulate_string_inst(regs, instword);  in emulate_instruction()
1051 	if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {  in emulate_instruction()
1053 		return emulate_popcntb_inst(regs, instword);  in emulate_instruction()
1057 	if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {  in emulate_instruction()
1059 		return emulate_isel(regs, instword);  in emulate_instruction()
1063 	if ((instword & PPC_INST_SYNC_MASK) == PPC_INST_SYNC) {  in emulate_instruction()
1071 	if ((((instword & PPC_INST_MFSPR_DSCR_USER_MASK) ==  in emulate_instruction()
1073 	     ((instword & PPC_INST_MFSPR_DSCR_MASK) ==  in emulate_instruction()
1077 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()
1082 	if ((((instword & PPC_INST_MTSPR_DSCR_USER_MASK) ==  in emulate_instruction()
1084 	     ((instword & PPC_INST_MTSPR_DSCR_MASK) ==  in emulate_instruction()
1088 		rd = (instword >> 21) & 0x1f;  in emulate_instruction()