| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| * Copyright IBM Corp. 2008 |
| * |
| * Authors: Hollis Blanchard <hollisb@us.ibm.com> |
| */ |
| |
| #ifndef __ASM_PPC_DISASSEMBLE_H__ |
| #define __ASM_PPC_DISASSEMBLE_H__ |
| |
| #include <linux/types.h> |
| |
| static inline unsigned int get_op(u32 inst) |
| { |
| return inst >> 26; |
| } |
| |
| static inline unsigned int get_xop(u32 inst) |
| { |
| return (inst >> 1) & 0x3ff; |
| } |
| |
| static inline unsigned int get_sprn(u32 inst) |
| { |
| return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); |
| } |
| |
| static inline unsigned int get_dcrn(u32 inst) |
| { |
| return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); |
| } |
| |
| static inline unsigned int get_tmrn(u32 inst) |
| { |
| return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); |
| } |
| |
| static inline unsigned int get_rt(u32 inst) |
| { |
| return (inst >> 21) & 0x1f; |
| } |
| |
| static inline unsigned int get_rs(u32 inst) |
| { |
| return (inst >> 21) & 0x1f; |
| } |
| |
| static inline unsigned int get_ra(u32 inst) |
| { |
| return (inst >> 16) & 0x1f; |
| } |
| |
| static inline unsigned int get_rb(u32 inst) |
| { |
| return (inst >> 11) & 0x1f; |
| } |
| |
| static inline unsigned int get_rc(u32 inst) |
| { |
| return inst & 0x1; |
| } |
| |
| static inline unsigned int get_ws(u32 inst) |
| { |
| return (inst >> 11) & 0x1f; |
| } |
| |
| static inline unsigned int get_d(u32 inst) |
| { |
| return inst & 0xffff; |
| } |
| |
| static inline unsigned int get_oc(u32 inst) |
| { |
| return (inst >> 11) & 0x7fff; |
| } |
| |
| #define IS_XFORM(inst) (get_op(inst) == 31) |
| #define IS_DSFORM(inst) (get_op(inst) >= 56) |
| |
| /* |
| * Create a DSISR value from the instruction |
| */ |
| static inline unsigned make_dsisr(unsigned instr) |
| { |
| unsigned dsisr; |
| |
| |
| /* bits 6:15 --> 22:31 */ |
| dsisr = (instr & 0x03ff0000) >> 16; |
| |
| if (IS_XFORM(instr)) { |
| /* bits 29:30 --> 15:16 */ |
| dsisr |= (instr & 0x00000006) << 14; |
| /* bit 25 --> 17 */ |
| dsisr |= (instr & 0x00000040) << 8; |
| /* bits 21:24 --> 18:21 */ |
| dsisr |= (instr & 0x00000780) << 3; |
| } else { |
| /* bit 5 --> 17 */ |
| dsisr |= (instr & 0x04000000) >> 12; |
| /* bits 1: 4 --> 18:21 */ |
| dsisr |= (instr & 0x78000000) >> 17; |
| /* bits 30:31 --> 12:13 */ |
| if (IS_DSFORM(instr)) |
| dsisr |= (instr & 0x00000003) << 18; |
| } |
| |
| return dsisr; |
| } |
| #endif /* __ASM_PPC_DISASSEMBLE_H__ */ |