LXR linux/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
  25static inline unsigned int get_op(u32 inst)
  26{
  27        return inst >> 26;
  28}
  29
  30static inline unsigned int get_xop(u32 inst)
  31{
  32        return (inst >> 1) & 0x3ff;
  33}
  34
  35static inline unsigned int get_sprn(u32 inst)
  36{
  37        return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
  38}
  39
  40static inline unsigned int get_dcrn(u32 inst)
  41{
  42        return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0);
  43}
  44
  45static inline unsigned int get_rt(u32 inst)
  46{
  47        return (inst >> 21) & 0x1f;
  48}
  49
  50static inline unsigned int get_rs(u32 inst)
  51{
  52        return (inst >> 21) & 0x1f;
  53}
  54
  55static inline unsigned int get_ra(u32 inst)
  56{
  57        return (inst >> 16) & 0x1f;
  58}
  59
  60static inline unsigned int get_rb(u32 inst)
  61{
  62        return (inst >> 11) & 0x1f;
  63}
  64
  65static inline unsigned int get_rc(u32 inst)
  66{
  67        return inst & 0x1;
  68}
  69
  70static inline unsigned int get_ws(u32 inst)
  71{
  72        return (inst >> 11) & 0x1f;
  73}
  74
  75static inline unsigned int get_d(u32 inst)
  76{
  77        return inst & 0xffff;
  78}
  79
  80#endif /* __ASM_PPC_DISASSEMBLE_H__ */
  81