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Diffstat (limited to 'include/opcode/m68k.h')
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1 files changed, 0 insertions, 347 deletions
diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h deleted file mode 100644 index 3371d38a7..000000000 --- a/include/opcode/m68k.h +++ /dev/null @@ -1,347 +0,0 @@ -/* Opcode table header for m680[01234]0/m6888[12]/m68851. - Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2001 - Free Software Foundation, Inc. - -This file is part of GDB, GAS, and the GNU binutils. - -GDB, GAS, and the GNU binutils are free software; you can redistribute -them and/or modify them under the terms of the GNU General Public -License as published by the Free Software Foundation; either version -1, or (at your option) any later version. - -GDB, GAS, and the GNU binutils are distributed in the hope that they -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 file; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ - -/* These are used as bit flags for the arch field in the m68k_opcode - structure. */ -#define _m68k_undef 0 -#define m68000 0x001 -#define m68008 m68000 /* synonym for -m68000. otherwise unused. */ -#define m68010 0x002 -#define m68020 0x004 -#define m68030 0x008 -#define m68ec030 m68030 /* similar enough to -m68030 to ignore differences; - gas will deal with the few differences. */ -#define m68040 0x010 -/* there is no 68050 */ -#define m68060 0x020 -#define m68881 0x040 -#define m68882 m68881 /* synonym for -m68881. otherwise unused. */ -#define m68851 0x080 -#define cpu32 0x100 /* e.g., 68332 */ -#define mcf5200 0x200 -#define mcf5206e 0x400 -#define mcf5307 0x800 -#define mcf5407 0x1000 - - /* handy aliases */ -#define m68040up (m68040 | m68060) -#define m68030up (m68030 | m68040up) -#define m68020up (m68020 | m68030up) -#define m68010up (m68010 | cpu32 | m68020up) -#define m68000up (m68000 | m68010up) -#define mcf (mcf5200 | mcf5206e | mcf5307 | mcf5407) -#define mcf5307up (mcf5307 | mcf5407) - -#define mfloat (m68881 | m68882 | m68040 | m68060) -#define mmmu (m68851 | m68030 | m68040 | m68060) - -/* The structure used to hold information for an opcode. */ - -struct m68k_opcode -{ - /* The opcode name. */ - const char *name; - /* The opcode itself. */ - unsigned long opcode; - /* The mask used by the disassembler. */ - unsigned long match; - /* The arguments. */ - const char *args; - /* The architectures which support this opcode. */ - unsigned int arch; -}; - -/* The structure used to hold information for an opcode alias. */ - -struct m68k_opcode_alias -{ - /* The alias name. */ - const char *alias; - /* The instruction for which this is an alias. */ - const char *primary; -}; - -/* We store four bytes of opcode for all opcodes because that is the - most any of them need. The actual length of an instruction is - always at least 2 bytes, and is as much longer as necessary to hold - the operands it has. - - The match field is a mask saying which bits must match particular - opcode in order for an instruction to be an instance of that - opcode. - - The args field is a string containing two characters for each - operand of the instruction. The first specifies the kind of - operand; the second, the place it is stored. */ - -/* Kinds of operands: - Characters used: AaBCcDdEFfGHIJkLlMmnOopQqRrSsTtU VvWXYZ0123|*~%;@!&$?/<>#^+- - - D data register only. Stored as 3 bits. - A address register only. Stored as 3 bits. - a address register indirect only. Stored as 3 bits. - R either kind of register. Stored as 4 bits. - r either kind of register indirect only. Stored as 4 bits. - At the moment, used only for cas2 instruction. - F floating point coprocessor register only. Stored as 3 bits. - O an offset (or width): immediate data 0-31 or data register. - Stored as 6 bits in special format for BF... insns. - + autoincrement only. Stored as 3 bits (number of the address register). - - autodecrement only. Stored as 3 bits (number of the address register). - Q quick immediate data. Stored as 3 bits. - This matches an immediate operand only when value is in range 1 .. 8. - M moveq immediate data. Stored as 8 bits. - This matches an immediate operand only when value is in range -128..127 - T trap vector immediate data. Stored as 4 bits. - - k K-factor for fmove.p instruction. Stored as a 7-bit constant or - a three bit register offset, depending on the field type. - - # immediate data. Stored in special places (b, w or l) - which say how many bits to store. - ^ immediate data for floating point instructions. Special places - are offset by 2 bytes from '#'... - B pc-relative address, converted to an offset - that is treated as immediate data. - d displacement and register. Stores the register as 3 bits - and stores the displacement in the entire second word. - - 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 - coprocessor opcode can be skipped using the 'i' place, if needed. - - s System Control register for the floating point coprocessor. - - J Misc register for movec instruction, stored in 'j' format. - Possible values: - 0x000 SFC Source Function Code reg [60, 40, 30, 20, 10] - 0x001 DFC Data Function Code reg [60, 40, 30, 20, 10] - 0x002 CACR Cache Control Register [60, 40, 30, 20] - 0x003 TC MMU Translation Control [60, 40] - 0x004 ITT0 Instruction Transparent - Translation reg 0 [60, 40] - 0x005 ITT1 Instruction Transparent - Translation reg 1 [60, 40] - 0x006 DTT0 Data Transparent - Translation reg 0 [60, 40] - 0x007 DTT1 Data Transparent - Translation reg 1 [60, 40] - 0x008 BUSCR Bus Control Register [60] - 0x800 USP User Stack Pointer [60, 40, 30, 20, 10] - 0x801 VBR Vector Base reg [60, 40, 30, 20, 10] - 0x802 CAAR Cache Address Register [ 30, 20] - 0x803 MSP Master Stack Pointer [ 40, 30, 20] - 0x804 ISP Interrupt Stack Pointer [ 40, 30, 20] - 0x805 MMUSR MMU Status reg [ 40] - 0x806 URP User Root Pointer [60, 40] - 0x807 SRP Supervisor Root Pointer [60, 40] - 0x808 PCR Processor Configuration reg [60] - 0xC00 ROMBAR ROM Base Address Register [520X] - 0xC04 RAMBAR0 RAM Base Address Register 0 [520X] - 0xC05 RAMBAR1 RAM Base Address Register 0 [520X] - 0xC0F MBAR0 RAM Base Address Register 0 [520X] - - L Register list of the type d0-d7/a0-a7 etc. - (New! Improved! Can also hold fp0-fp7, as well!) - The assembler tries to see if the registers match the insn by - looking at where the insn wants them stored. - - l Register list like L, but with all the bits reversed. - Used for going the other way. . . - - c cache identifier which may be "nc" for no cache, "ic" - for instruction cache, "dc" for data cache, or "bc" - 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. - - * all (modes 0-6,7.0-4) - ~ alterable memory (modes 2-6,7.0,7.1) - (not 0,1,7.2-4) - % alterable (modes 0-6,7.0,7.1) - (not 7.2-4) - ; data (modes 0,2-6,7.0-4) - (not 1) - @ data, but not immediate (modes 0,2-6,7.0-3) - (not 1,7.4) - ! control (modes 2,5,6,7.0-3) - (not 0,1,3,4,7.4) - & alterable control (modes 2,5,6,7.0,7.1) - (not 0,1,7.2-4) - $ alterable data (modes 0,2-6,7.0,7.1) - (not 1,7.2-4) - ? alterable control, or data register (modes 0,2,5,6,7.0,7.1) - (not 1,3,4,7.2-4) - / control, or data register (modes 0,2,5,6,7.0-3) - (not 1,3,4,7.4) - > *save operands (modes 2,4,5,6,7.0,7.1) - (not 0,1,3,7.2-4) - < *restore operands (modes 2,3,5,6,7.0-3) - (not 0,1,4,7.4) - - coldfire move operands: - m (modes 0-4) - n (modes 5,7.2) - o (modes 6,7.0,7.1,7.3,7.4) - p (modes 0-5) - - coldfire bset/bclr/btst/mulsl/mulul operands: - q (modes 0,2-5) - v (modes 0,2-5,7.0,7.1) -*/ - -/* For the 68851: */ -/* - I didn't use much imagination in choosing the - following codes, so many of them aren't very - mnemonic. -rab - - 0 32 bit pmmu register - Possible values: - 000 TC Translation Control Register (68030, 68851) - - 1 16 bit pmmu register - 111 AC Access Control (68851) - - 2 8 bit pmmu register - 100 CAL Current Access Level (68851) - 101 VAL Validate Access Level (68851) - 110 SCC Stack Change Control (68851) - - 3 68030-only pmmu registers (32 bit) - 010 TT0 Transparent Translation reg 0 - (aka Access Control reg 0 -- AC0 -- on 68ec030) - 011 TT1 Transparent Translation reg 1 - (aka Access Control reg 1 -- AC1 -- on 68ec030) - - W wide pmmu registers - Possible values: - 001 DRP Dma Root Pointer (68851) - 010 SRP Supervisor Root Pointer (68030, 68851) - 011 CRP Cpu Root Pointer (68030, 68851) - - f function code register (68030, 68851) - 0 SFC - 1 DFC - - V VAL register only (68851) - - X BADx, BACx (16 bit) - 100 BAD Breakpoint Acknowledge Data (68851) - 101 BAC Breakpoint Acknowledge Control (68851) - - Y PSR (68851) (MMUSR on 68030) (ACUSR on 68ec030) - Z PCSR (68851) - - | memory (modes 2-6, 7.*) - - t address test level (68030 only) - Stored as 3 bits, range 0-7. - Also used for breakpoint instruction now. - -*/ - -/* 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 - 2 second word, shifted 6 - 3 second word, shifted 0 - 4 third word, shifted 12 - 5 third word, shifted 6 - 6 third word, shifted 0 - 7 second word, shifted 7 - 8 second word, shifted 10 - 9 second word, shifted 5 - D store in both place 1 and place 3; for divul and divsl. - B first word, low byte, for branch displacements - W second word (entire), for branch displacements - L second and third words (entire), for branch displacements - (also overloaded for move16) - b second word, low byte - w second word (entire) [variable word/long branch offset for dbra] - W second word (entire) (must be signed 16 bit value) - l second and third word (entire) - g variable branch offset for bra and similar instructions. - The place to store depends on the magnitude of offset. - t store in both place 7 and place 8; for floating point operations - c branch offset for cpBcc operations. - The place to store is word two if bit six of word one is zero, - and words two and three if bit six of word one is one. - i Increment by two, to skip over coprocessor extended operands. Only - works with the 'I' format. - k Dynamic K-factor field. Bits 6-4 of word 2, used as a register number. - Also used for dynamic fmovem instruction. - 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 - b source, at low bit of first word, and immediate uses one byte - w source, at low bit of first word, and immediate uses two bytes - l source, at low bit of first word, and immediate uses four bytes - s source, at low bit of first word. - Used sometimes in contexts where immediate is not allowed anyway. - f single precision float, low bit of 1st word, immediate uses 4 bytes - 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 -*/ - -extern const struct m68k_opcode m68k_opcodes[]; -extern const struct m68k_opcode_alias m68k_opcode_aliases[]; - -extern const int m68k_numopcodes, m68k_numaliases; - -/* end of m68k-opcode.h */ |