OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [opcodes/] [m88k-dis.c] - Diff between revs 157 and 225

Show entire file | Details | Blame | View Log

Rev 157 Rev 225
Line 1... Line 1...
/* Print instructions for the Motorola 88000, for GDB and GNU Binutils.
/* Print instructions for the Motorola 88000, for GDB and GNU Binutils.
   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1998, 2000, 2001,
   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1998, 2000, 2001,
   2002, 2005, 2007  Free Software Foundation, Inc.
   2002, 2005, 2007, 2008  Free Software Foundation, Inc.
   Contributed by Data General Corporation, November 1989.
   Contributed by Data General Corporation, November 1989.
   Partially derived from an earlier printcmd.c.
   Partially derived from an earlier printcmd.c.
 
 
   This file is part of the GNU opcodes library.
   This file is part of the GNU opcodes library.
 
 
Line 694... Line 694...
{
{
  static int ihashtab_initialized = 0;
  static int ihashtab_initialized = 0;
  unsigned int opcode;
  unsigned int opcode;
  const HASHTAB *entry_ptr;
  const HASHTAB *entry_ptr;
  int opmask;
  int opmask;
  unsigned int class;
  unsigned int in_class;
 
 
  if (! ihashtab_initialized)
  if (! ihashtab_initialized)
    {
    {
      init_disasm ();
      init_disasm ();
      ihashtab_initialized = 1;
      ihashtab_initialized = 1;
    }
    }
 
 
  /* Create the appropriate mask to isolate the opcode.  */
  /* Create the appropriate mask to isolate the opcode.  */
  opmask = DEFMASK;
  opmask = DEFMASK;
  class = instruction & DEFMASK;
  in_class = instruction & DEFMASK;
  if ((class >= SFU0) && (class <= SFU7))
  if ((in_class >= SFU0) && (in_class <= SFU7))
    {
    {
      if (instruction < SFU1)
      if (instruction < SFU1)
        opmask = CTRLMASK;
        opmask = CTRLMASK;
      else
      else
        opmask = SFUMASK;
        opmask = SFUMASK;
    }
    }
  else if (class == RRR)
  else if (in_class == RRR)
    opmask = RRRMASK;
    opmask = RRRMASK;
  else if (class == RRI10)
  else if (in_class == RRI10)
    opmask = RRI10MASK;
    opmask = RRI10MASK;
 
 
  /* Isolate the opcode.  */
  /* Isolate the opcode.  */
  opcode = instruction & opmask;
  opcode = instruction & opmask;
 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.