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Add support for ColdFire MAC instructions and tidy up support for other m68k

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variants.
This commit is contained in:
Nick Clifton
2004-04-22 10:33:16 +00:00
parent 1a4b7623f4
commit fe97afbbb3
2 changed files with 28 additions and 6 deletions
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8
include/opcode/ChangeLog
View File

@@ -1,3 +1,11 @@
2004-04-22 Peter Barada <peter@the-baradas.com>
* m68k.h: Add mcfmac/mcfemac definitions. Update operand
descriptions for new EMAC cases.
Remove ColdFire macmw/macml/msacmw/msacmw hacks and properly
handle Motorola MAC syntax.
Allow disassembly of ColdFire V4e object files.
2004-03-16 Alan Modra <amodra@bigpond.net.au>
* ppc.h (PPC_OPERAND_GPR_0): Define. Bump other operand defines.

26
include/opcode/m68k.h
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@@ -1,6 +1,6 @@
/* Opcode table header for m680[01234]0/m6888[12]/m68851.
Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2001,
2003 Free Software Foundation, Inc.
2003, 2004 Free Software Foundation, Inc.
This file is part of GDB, GAS, and the GNU binutils.
@@ -42,6 +42,8 @@
#define mcf5407 0x1000
#define mcfv4e 0x2000
#define mcf528x 0x4000
#define mcfmac 0x8000
#define mcfemac 0x10000
/* Handy aliases. */
#define m68040up (m68040 | m68060)
@@ -99,7 +101,7 @@ struct m68k_opcode_alias
operand; the second, the place it is stored. */
/* Kinds of operands:
Characters used: AaBbCcDdEFfGHIJkLlMmnOopQqRrSsTtU VvWwXxYyZz0123|*~%;@!&$?/<>#^+-
Characters used: AaBbCcDdEeFfGgHIiJkLlMmnOopQqRrSsTtU VvWwXxYyZz01234|*~%;@!&$?/<>#^+-
D data register only. Stored as 3 bits.
A address register only. Stored as 3 bits.
@@ -133,9 +135,12 @@ struct m68k_opcode_alias
C the CCR. No need to store it; this is just for filtering validity.
S the SR. No need to store, just as with CCR.
U the USP. No need to store, just as with CCR.
E the ACC. No need to store, just as with CCR.
G the MACSR. No need to store, just as with CCR.
E the MAC ACC. No need to store, just as with CCR.
e the EMAC ACC[0123].
G the MAC/EMAC MACSR. No need to store, just as with CCR.
g the EMAC ACCEXT{01,23}.
H the MASK. No need to store, just as with CCR.
i the MAC/EMAC scale factor.
I Coprocessor ID. Not printed if 1. The Coprocessor ID is always
extracted from the 'd' field of word one, which means that an extended
@@ -230,7 +235,9 @@ struct m68k_opcode_alias
w (modes 2-5,7.2)
y (modes 2,5)
z (modes 2,5,7.2)
x mov3q immediate operand. */
x mov3q immediate operand.
4 (modes 2,3,4,5)
*/
/* For the 68851: */
/* I didn't use much imagination in choosing the
@@ -283,7 +290,7 @@ struct m68k_opcode_alias
*/
/* Places to put an operand, for non-general operands:
Characters used: BbCcDdghijkLlMmNnostWw123456789
Characters used: BbCcDdFfGgHhIijkLlMmNnostWw123456789/
s source, low bits of first word.
d dest, shifted 9 in first word
@@ -348,6 +355,13 @@ struct m68k_opcode_alias
F double precision float, low bit of 1st word, immediate uses 8 bytes
x extended precision float, low bit of 1st word, immediate uses 12 bytes
p packed float, low bit of 1st word, immediate uses 12 bytes
G EMAC accumulator, load (bit 4 2nd word, !bit8 first word)
H EMAC accumulator, non load (bit 4 2nd word, bit 8 first word)
F EMAC ACCx
f EMAC ACCy
I MAC/EMAC scale factor
/ Like 's', but set 2nd word, bit 5 if trailing_ampersand set
] first word, bit 10
*/
extern const struct m68k_opcode m68k_opcodes[];