arch/powerpc/include/asm/disassemble.h

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License, version 2, as
   4  * published by the Free Software Foundation.
   5  *
   6  * This program is distributed in the hope that it will be useful,
   7  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  * GNU General Public License for more details.
  10  *
  11  * You should have received a copy of the GNU General Public License
  12  * along with this program; if not, write to the Free Software
  13  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  14  *
  15  * Copyright IBM Corp. 2008
  16  *
  17  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
  18  */
  19
  20 #ifndef __ASM_PPC_DISASSEMBLE_H__
  21 #define __ASM_PPC_DISASSEMBLE_H__
  22
  23 #include <linux/types.h>
  24
  25 static inline unsigned int get_op(u32 inst)
  26 {
  27         return inst >> 26;
  28 }
  29
  30 static inline unsigned int get_xop(u32 inst)
  31 {
  32         return (inst >> 1) & 0x3ff;
  33 }
  34
  35 static inline unsigned int get_sprn(u32 inst)
  36 {
  37         return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
  38 }
  39
  40 static inline unsigned int get_dcrn(u32 inst)
  41 {
  42         return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
  43 }
  44
  45 static inline unsigned int get_rt(u32 inst)
  46 {
  47         return (inst >> 21) & 0x1f;
  48 }
  49
  50 static inline unsigned int get_rs(u32 inst)
  51 {
  52         return (inst >> 21) & 0x1f;
  53 }
  54
  55 static inline unsigned int get_ra(u32 inst)
  56 {
  57         return (inst >> 16) & 0x1f;
  58 }
  59
  60 static inline unsigned int get_rb(u32 inst)
  61 {
  62         return (inst >> 11) & 0x1f;
  63 }
  64
  65 static inline unsigned int get_rc(u32 inst)
  66 {
  67         return inst & 0x1;
  68 }
  69
  70 static inline unsigned int get_ws(u32 inst)
  71 {
  72         return (inst >> 11) & 0x1f;
  73 }
  74
  75 static inline unsigned int get_d(u32 inst)
  76 {
  77         return inst & 0xffff;
  78 }
  79
  80 #endif /* __ASM_PPC_DISASSEMBLE_H__ */