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1999-05-28 Linus Nordberg <linus.nordberg@canit.se>

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* m68k.h: Document new formats `E', `G', `H' and new places `N',
	`n', `o'.
	* m68k.h: Define mcf5206e, mcf5307, mcf.  Document new format `u'
	and new places `m', `M', `h'.
This commit is contained in:
Ian Lance Taylor 1999-05-27 22:31:03 +00:00
parent 0d59e34570
commit 1fca749bd1
2 changed files with 39 additions and 2 deletions
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8
include/opcode/ChangeLog
View File

@ -1,3 +1,11 @@
1999-05-28 Linus Nordberg <linus.nordberg@canit.se>
* m68k.h: Document new formats `E', `G', `H' and new places `N',
`n', `o'.
* m68k.h: Define mcf5206e, mcf5307, mcf. Document new format `u'
and new places `m', `M', `h'.
Thu May 27 04:13:54 1999 Joel Sherrill (joel@OARcorp.com
* hppa.h (pa_opcodes): Add several processor specific system

33
include/opcode/m68k.h
View File

@ -1,5 +1,5 @@
/* Opcode table header for m680[01234]0/m6888[12]/m68851.
Copyright 1989, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation.
Copyright 1989, 91, 92, 93, 94, 95, 96, 97, 1999 Free Software Foundation.
This file is part of GDB, GAS, and the GNU binutils.
@ -36,6 +36,8 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#define m68851 0x080
#define cpu32 0x100 /* e.g., 68332 */
#define mcf5200 0x200
#define mcf5206e 0x400
#define mcf5307 0x800
/* handy aliases */
#define m68040up (m68040 | m68060)
@ -43,6 +45,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#define m68020up (m68020 | m68030up)
#define m68010up (m68010 | cpu32 | m68020up)
#define m68000up (m68000 | m68010up)
#define mcf (mcf5200 | mcf5206e | mcf5307)
#define mfloat (m68881 | m68882 | m68040 | m68060)
#define mmmu (m68851 | m68030 | m68040 | m68060)
@ -87,7 +90,7 @@ struct m68k_opcode_alias
operand; the second, the place it is stored. */
/* Kinds of operands:
Characters used: AaBCcDdFfIJkLlMmnOopQqRrSsTtUVvWXYZ0123|*~%;@!&$?/<>#^+-
Characters used: AaBCcDdEFfGHIJkLlMmnOopQqRrSsTtU VvWXYZ0123|*~%;@!&$?/<>#^+-
D data register only. Stored as 3 bits.
A address register only. Stored as 3 bits.
@ -121,6 +124,9 @@ 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.
H the MASK. No need to store, just as with CCR.
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
@ -170,6 +176,9 @@ struct m68k_opcode_alias
for both caches. Used in cinv and cpush. Always
stored in position "d".
u Any register, with ``upper'' or ``lower'' specification. Used
in the mac instructions with size word.
The remainder are all stored as 6 bits using an address mode and a
register number; they differ in which addressing modes they match.
@ -260,6 +269,8 @@ struct m68k_opcode_alias
*/
/* Places to put an operand, for non-general operands:
Characters used: BbCcDdghijkLlMmNnostWw123456789
s source, low bits of first word.
d dest, shifted 9 in first word
1 second word, shifted 12
@ -293,6 +304,24 @@ struct m68k_opcode_alias
C floating point coprocessor constant - 7 bits. Also used for static
K-factors...
j Movec register #, stored in 12 low bits of second word.
m For M[S]ACx; 4 bits split with MSB shifted 6 bits in first word
and remaining 3 bits of register shifted 9 bits in first word.
Indicate upper/lower in 1 bit shifted 7 bits in second word.
Use with `R' or `u' format.
n `m' withouth upper/lower indication. (For M[S]ACx; 4 bits split
with MSB shifted 6 bits in first word and remaining 3 bits of
register shifted 9 bits in first word. No upper/lower
indication is done.) Use with `R' or `u' format.
o For M[S]ACw; 4 bits shifted 12 in second word (like `1').
Indicate upper/lower in 1 bit shifted 7 bits in second word.
Use with `R' or `u' format.
M For M[S]ACw; 4 bits in low bits of first word. Indicate
upper/lower in 1 bit shifted 6 bits in second word. Use with
`R' or `u' format.
N For M[S]ACw; 4 bits in low bits of second word. Indicate
upper/lower in 1 bit shifted 6 bits in second word. Use with
`R' or `u' format.
h shift indicator (scale factor), 1 bit shifted 10 in second word
Places to put operand, for general operands:
d destination, shifted 6 bits in first word