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authorNick Clifton <nickc@redhat.com>2003-10-21 13:28:59 +0000
committerNick Clifton <nickc@redhat.com>2003-10-21 13:28:59 +0000
commit3e602632663c14cea25d8b12d1306eccbc1c9be3 (patch)
treeb81f6d5469007aef81bccd5c8a1e2ff151de70fe /opcodes/m68k-dis.c
parent8b7d96c1c421f4cb319e3a49e943f862171387d6 (diff)
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Add ColfFire v4 support
Diffstat (limited to 'opcodes/m68k-dis.c')
-rw-r--r--opcodes/m68k-dis.c62
1 files changed, 40 insertions, 22 deletions
diff --git a/opcodes/m68k-dis.c b/opcodes/m68k-dis.c
index 12c0b94..bfd8c89 100644
--- a/opcodes/m68k-dis.c
+++ b/opcodes/m68k-dis.c
@@ -1,21 +1,21 @@
/* Print Motorola 68k instructions.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002
+ 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
-This file is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-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.
+ 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "sysdep.h"
#include "dis-asm.h"
@@ -263,6 +263,9 @@ print_insn_m68k (memaddr, info)
case bfd_mach_mcf5200:
arch_mask = mcf5200;
break;
+ case bfd_mach_mcf528x:
+ arch_mask = mcf528x;
+ break;
case bfd_mach_mcf5206e:
arch_mask = mcf5206e;
break;
@@ -342,7 +345,7 @@ print_insn_m68k (memaddr, info)
/* Point at first word of argument data,
and at descriptor for first argument. */
p = buffer + 2;
-
+
/* Figure out how long the fixed-size portion of the instruction is.
The only place this is stored in the opcode table is
in the arguments--look for arguments which specify fields in the 2nd
@@ -406,10 +409,10 @@ print_insn_m68k (memaddr, info)
}
FETCH_DATA (info, p);
-
+
d = best->args;
- /* We can the operands twice. The first time we don't print anything,
+ /* We scan the operands twice. The first time we don't print anything,
but look for errors. */
save_p = p;
@@ -537,12 +540,16 @@ print_insn_arg (d, buffer, p0, addr, info)
case 'J':
{
+ /* FIXME: There's a problem here, different m68k processors call the
+ same address different names. This table can't get it right
+ because it doesn't know which processor it's disassembling for. */
static const struct { char *name; int value; } names[]
= {{"%sfc", 0x000}, {"%dfc", 0x001}, {"%cacr", 0x002},
{"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
{"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
{"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
{"%msp", 0x803}, {"%isp", 0x804},
+ {"%flashbar", 0xc04}, {"%rambar", 0xc05}, /* mcf528x added these. */
/* Should we be calling this psr like we do in case 'Y'? */
{"%mmusr",0x805},
@@ -569,6 +576,14 @@ print_insn_arg (d, buffer, p0, addr, info)
(*info->fprintf_func) (info->stream, "#%d", val);
break;
+ case 'x':
+ val = fetch_arg (buffer, place, 3, info);
+ /* 0 means -1. */
+ if (val == 0)
+ val = -1;
+ (*info->fprintf_func) (info->stream, "#%d", val);
+ break;
+
case 'M':
if (place == 'h')
{
@@ -724,7 +739,7 @@ print_insn_arg (d, buffer, p0, addr, info)
case 'I':
/* Get coprocessor ID... */
val = fetch_arg (buffer, 'd', 3, info);
-
+
if (val != 1) /* Unusual coprocessor ID? */
(*info->fprintf_func) (info->stream, "(cpid=%d) ", val);
break;
@@ -748,7 +763,10 @@ print_insn_arg (d, buffer, p0, addr, info)
case 'p':
case 'q':
case 'v':
-
+ case 'b':
+ case 'w':
+ case 'y':
+ case 'z':
if (place == 'd')
{
val = fetch_arg (buffer, 'x', 6, info);
@@ -1023,7 +1041,7 @@ print_insn_arg (d, buffer, p0, addr, info)
{
short is_upper = 0;
int reg = fetch_arg (buffer, place, 5, info);
-
+
if (reg & 0x10)
{
is_upper = 1;
@@ -1034,7 +1052,7 @@ print_insn_arg (d, buffer, p0, addr, info)
is_upper ? "u" : "l");
}
break;
-
+
default:
return -2;
}
@@ -1121,7 +1139,7 @@ fetch_arg (buffer, code, bits, info)
val = (buffer[2] << 8) + buffer[3];
val >>= 7;
break;
-
+
case '8':
FETCH_DATA (info, buffer + 3);
val = (buffer[2] << 8) + buffer[3];
@@ -1138,13 +1156,13 @@ fetch_arg (buffer, code, bits, info)
val = (buffer[1] >> 6);
break;
- case 'm':
+ case 'm':
val = (buffer[1] & 0x40 ? 0x8 : 0)
| ((buffer[0] >> 1) & 0x7)
| (buffer[3] & 0x80 ? 0x10 : 0);
break;
- case 'n':
+ case 'n':
val = (buffer[1] & 0x40 ? 0x8 : 0) | ((buffer[0] >> 1) & 0x7);
break;