LXR linux/arch/powerpc/include/asm/ppc-opcode.h

   1/*
   2 * Copyright 2009 Freescale Semicondutor, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License
   6 * as published by the Free Software Foundation; either version
   7 * 2 of the License, or (at your option) any later version.
   8 *
   9 * provides masks and opcode images for use by code generation, emulation
  10 * and for instructions that older assemblers might not know about
  11 */
  12#ifndef _ASM_POWERPC_PPC_OPCODE_H
  13#define _ASM_POWERPC_PPC_OPCODE_H
  14
  15#include <linux/stringify.h>
  16#include <asm/asm-compat.h>
  17
  18/* sorted alphabetically */
  19#define PPC_INST_DCBA                   0x7c0005ec
  20#define PPC_INST_DCBA_MASK              0xfc0007fe
  21#define PPC_INST_DCBAL                  0x7c2005ec
  22#define PPC_INST_DCBZL                  0x7c2007ec
  23#define PPC_INST_ISEL                   0x7c00001e
  24#define PPC_INST_ISEL_MASK              0xfc00003e
  25#define PPC_INST_LSWI                   0x7c0004aa
  26#define PPC_INST_LSWX                   0x7c00042a
  27#define PPC_INST_LWSYNC                 0x7c2004ac
  28#define PPC_INST_MCRXR                  0x7c000400
  29#define PPC_INST_MCRXR_MASK             0xfc0007fe
  30#define PPC_INST_MFSPR_PVR              0x7c1f42a6
  31#define PPC_INST_MFSPR_PVR_MASK         0xfc1fffff
  32#define PPC_INST_MSGSND                 0x7c00019c
  33#define PPC_INST_NOP                    0x60000000
  34#define PPC_INST_POPCNTB                0x7c0000f4
  35#define PPC_INST_POPCNTB_MASK           0xfc0007fe
  36#define PPC_INST_RFCI                   0x4c000066
  37#define PPC_INST_RFDI                   0x4c00004e
  38#define PPC_INST_RFMCI                  0x4c00004c
  39
  40#define PPC_INST_STRING                 0x7c00042a
  41#define PPC_INST_STRING_MASK            0xfc0007fe
  42#define PPC_INST_STRING_GEN_MASK        0xfc00067e
  43
  44#define PPC_INST_STSWI                  0x7c0005aa
  45#define PPC_INST_STSWX                  0x7c00052a
  46#define PPC_INST_TLBILX                 0x7c000024
  47#define PPC_INST_WAIT                   0x7c00007c
  48
  49/* macros to insert fields into opcodes */
  50#define __PPC_RA(a)     ((a & 0x1f) << 16)
  51#define __PPC_RB(b)     ((b & 0x1f) << 11)
  52#define __PPC_T_TLB(t)  ((t & 0x3) << 21)
  53#define __PPC_WC(w)     ((w & 0x3) << 21)
  54
  55/* Deal with instructions that older assemblers aren't aware of */
  56#define PPC_DCBAL(a, b)         stringify_in_c(.long PPC_INST_DCBAL | \
  57                                        __PPC_RA(a) | __PPC_RB(b))
  58#define PPC_DCBZL(a, b)         stringify_in_c(.long PPC_INST_DCBZL | \
  59                                        __PPC_RA(a) | __PPC_RB(b))
  60#define PPC_MSGSND(b)           stringify_in_c(.long PPC_INST_MSGSND | \
  61                                        __PPC_RB(b))
  62#define PPC_RFCI                stringify_in_c(.long PPC_INST_RFCI)
  63#define PPC_RFDI                stringify_in_c(.long PPC_INST_RFDI)
  64#define PPC_RFMCI               stringify_in_c(.long PPC_INST_RFMCI)
  65#define PPC_TLBILX(t, a, b)     stringify_in_c(.long PPC_INST_TLBILX | \
  66                                        __PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
  67#define PPC_TLBILX_ALL(a, b)    PPC_TLBILX(0, a, b)
  68#define PPC_TLBILX_PID(a, b)    PPC_TLBILX(1, a, b)
  69#define PPC_TLBILX_VA(a, b)     PPC_TLBILX(3, a, b)
  70#define PPC_WAIT(w)             stringify_in_c(.long PPC_INST_WAIT | \
  71                                        __PPC_WC(w))
  72
  73#endif /* _ASM_POWERPC_PPC_OPCODE_H */
  74