diff options
Diffstat (limited to 'include/opcode/m68k.h')
| -rw-r--r-- | include/opcode/m68k.h | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h index ecb3f95dd..3208b77f4 100644 --- a/include/opcode/m68k.h +++ b/include/opcode/m68k.h @@ -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 |