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148 lines
7.4 KiB
C
148 lines
7.4 KiB
C
/* Opcode table for the ARM.
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Copyright 1994, 1995 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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struct arm_opcode {
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unsigned long value, mask; /* recognise instruction if (op&mask)==value */
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char *assembler; /* how to disassemble this instruction */
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};
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/* format of the assembler string :
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%% %
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%<bitfield>d print the bitfield in decimal
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%<bitfield>x print the bitfield in hex
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%<bitfield>r print as an ARM register
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%<bitfield>f print a floating point constant if >7 else a
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floating point register
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%c print condition code (always bits 28-31)
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%P print floating point precision in arithmetic insn
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%Q print floating point precision in ldf/stf insn
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%R print floating point rounding mode
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%<bitnum>'c print specified char iff bit is one
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%<bitnum>`c print specified char iff bit is zero
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%<bitnum>?ab print a if bit is one else print b
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%p print 'p' iff bits 12-15 are 15
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%t print 't' iff bit 21 set and bit 24 clear
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%h print 'h' iff bit 5 set, else print 'b'
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%o print operand2 (immediate or register + shift)
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%a print address for ldr/str instruction
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%s print address for ldr/str halfword/signextend instruction
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%b print branch destination
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%A print address for ldc/stc/ldf/stf instruction
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%m print register mask for ldm/stm instruction
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%C print the PSR sub type.
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%F print the COUNT field of a LFM/SFM instruction.
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*/
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/* Note: There is a partial ordering in this table - it must be searched from
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the top to obtain a correct match. */
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static struct arm_opcode arm_opcodes[] = {
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/* ARM instructions */
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{0x012FFF10, 0x0ffffff0, "bx%c\t%0-3r"},
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{0x00000090, 0x0fe000f0, "mul%c%20's\t%16-19r, %0-3r, %8-11r"},
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{0x00200090, 0x0fe000f0, "mla%c%20's\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x01000090, 0x0fb00ff0, "swp%c%22'b\t%12-15r, %0-3r, [%16-19r]"},
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{0x00800090, 0x0fa000f0, "%22?sumull%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x00a00090, 0x0fa000f0, "%22?sumlal%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x00000090, 0x0e100090, "str%c%6's%h\t%12-15r, %s"},
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{0x00100090, 0x0e100090, "ldr%c%6's%h\t%12-15r, %s"},
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{0x00000000, 0x0de00000, "and%c%20's\t%12-15r, %16-19r, %o"},
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{0x00200000, 0x0de00000, "eor%c%20's\t%12-15r, %16-19r, %o"},
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{0x00400000, 0x0de00000, "sub%c%20's\t%12-15r, %16-19r, %o"},
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{0x00600000, 0x0de00000, "rsb%c%20's\t%12-15r, %16-19r, %o"},
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{0x00800000, 0x0de00000, "add%c%20's\t%12-15r, %16-19r, %o"},
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{0x00a00000, 0x0de00000, "adc%c%20's\t%12-15r, %16-19r, %o"},
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{0x00c00000, 0x0de00000, "sbc%c%20's\t%12-15r, %16-19r, %o"},
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{0x00e00000, 0x0de00000, "rsc%c%20's\t%12-15r, %16-19r, %o"},
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{0x0120f000, 0x0db6f000, "msr%c\t%22?scpsr%C, %o"},
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{0x010f0000, 0x0fbf0fff, "mrs%c\t%12-15r, %22?scpsr"},
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{0x01000000, 0x0de00000, "tst%c%p\t%16-19r, %o"},
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{0x01200000, 0x0de00000, "teq%c%p\t%16-19r, %o"},
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{0x01400000, 0x0de00000, "cmp%c%p\t%16-19r, %o"},
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{0x01600000, 0x0de00000, "cmn%c%p\t%16-19r, %o"},
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{0x01800000, 0x0de00000, "orr%c%20's\t%12-15r, %16-19r, %o"},
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{0x01a00000, 0x0de00000, "mov%c%20's\t%12-15r, %o"},
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{0x01c00000, 0x0de00000, "bic%c%20's\t%12-15r, %16-19r, %o"},
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{0x01e00000, 0x0de00000, "mvn%c%20's\t%12-15r, %o"},
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{0x04000000, 0x0c100000, "str%c%22'b%t\t%12-15r, %a"},
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{0x04100000, 0x0c100000, "ldr%c%22'b%t\t%12-15r, %a"},
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{0x08000000, 0x0e100000, "stm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
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{0x08100000, 0x0e100000, "ldm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
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{0x0a000000, 0x0e000000, "b%24'l%c\t%b"},
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{0x0f000000, 0x0f000000, "swi%c\t%0-23x"},
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/* Floating point coprocessor instructions */
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{0x0e000100, 0x0ff08f10, "adf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e100100, 0x0ff08f10, "muf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e200100, 0x0ff08f10, "suf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e300100, 0x0ff08f10, "rsf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e400100, 0x0ff08f10, "dvf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e500100, 0x0ff08f10, "rdf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e600100, 0x0ff08f10, "pow%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e700100, 0x0ff08f10, "rpw%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e800100, 0x0ff08f10, "rmf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e900100, 0x0ff08f10, "fml%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0ea00100, 0x0ff08f10, "fdv%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0eb00100, 0x0ff08f10, "frd%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0ec00100, 0x0ff08f10, "pol%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e008100, 0x0ff08f10, "mvf%c%P%R\t%12-14f, %0-3f"},
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{0x0e108100, 0x0ff08f10, "mnf%c%P%R\t%12-14f, %0-3f"},
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{0x0e208100, 0x0ff08f10, "abs%c%P%R\t%12-14f, %0-3f"},
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{0x0e308100, 0x0ff08f10, "rnd%c%P%R\t%12-14f, %0-3f"},
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{0x0e408100, 0x0ff08f10, "sqt%c%P%R\t%12-14f, %0-3f"},
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{0x0e508100, 0x0ff08f10, "log%c%P%R\t%12-14f, %0-3f"},
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{0x0e608100, 0x0ff08f10, "lgn%c%P%R\t%12-14f, %0-3f"},
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{0x0e708100, 0x0ff08f10, "exp%c%P%R\t%12-14f, %0-3f"},
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{0x0e808100, 0x0ff08f10, "sin%c%P%R\t%12-14f, %0-3f"},
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{0x0e908100, 0x0ff08f10, "cos%c%P%R\t%12-14f, %0-3f"},
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{0x0ea08100, 0x0ff08f10, "tan%c%P%R\t%12-14f, %0-3f"},
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{0x0eb08100, 0x0ff08f10, "asn%c%P%R\t%12-14f, %0-3f"},
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{0x0ec08100, 0x0ff08f10, "acs%c%P%R\t%12-14f, %0-3f"},
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{0x0ed08100, 0x0ff08f10, "atn%c%P%R\t%12-14f, %0-3f"},
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{0x0ee08100, 0x0ff08f10, "urd%c%P%R\t%12-14f, %0-3f"},
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{0x0ef08100, 0x0ff08f10, "nrm%c%P%R\t%12-14f, %0-3f"},
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{0x0e000110, 0x0ff00f1f, "flt%c%P%R\t%16-18f, %12-15r"},
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{0x0e100110, 0x0fff0f98, "fix%c%R\t%12-15r, %0-2f"},
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{0x0e200110, 0x0fff0fff, "wfs%c\t%12-15r"},
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{0x0e300110, 0x0fff0fff, "rfs%c\t%12-15r"},
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{0x0e400110, 0x0fff0fff, "wfc%c\t%12-15r"},
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{0x0e500110, 0x0fff0fff, "rfc%c\t%12-15r"},
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{0x0e90f110, 0x0ff8fff0, "cmf%c\t%16-18f, %0-3f"},
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{0x0eb0f110, 0x0ff8fff0, "cnf%c\t%16-18f, %0-3f"},
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{0x0ed0f110, 0x0ff8fff0, "cmfe%c\t%16-18f, %0-3f"},
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{0x0ef0f110, 0x0ff8fff0, "cnfe%c\t%16-18f, %0-3f"},
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{0x0c000100, 0x0e100f00, "stf%c%Q\t%12-14f, %A"},
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{0x0c100100, 0x0e100f00, "ldf%c%Q\t%12-14f, %A"},
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{0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A"},
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{0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"},
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/* Generic coprocessor instructions */
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{0x0e000000, 0x0f000010, "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
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{0x0e100010, 0x0f100010, "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
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{0x0e000010, 0x0f100010, "mcr%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
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{0x0c000000, 0x0e100000, "stc%c%22'l\t%8-11d, cr%12-15d, %A"},
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{0x0c100000, 0x0e100000, "ldc%c%22'l\t%8-11d, cr%12-15d, %A"},
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/* the rest */
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{0x00000000, 0x00000000, "undefined instruction %0-31x"},
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{0x00000000, 0x00000000, 0}
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};
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#define BDISP(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000)
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