diff options
Diffstat (limited to 'include/opcode')
| -rw-r--r-- | include/opcode/ChangeLog | 5 | ||||
| -rw-r--r-- | include/opcode/arm.h | 385 |
2 files changed, 96 insertions, 294 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index bd6f448dcc..27709f81d9 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,8 @@ +2004-07-16 Richard Earnshaw <rearnsha@arm.com> + + * arm.h: Remove all old content. Replace with architecture defines + from gas/config/tc-arm.c. + 2004-07-09 Andreas Schwab <schwab@suse.de> * m68k.h: Fix comment. diff --git a/include/opcode/arm.h b/include/opcode/arm.h index 99bb9a64f0..6ccccbd4ec 100644 --- a/include/opcode/arm.h +++ b/include/opcode/arm.h @@ -1,294 +1,91 @@ -/* ARM opcode list. - Copyright 1989, 1991 Free Software Foundation, Inc. - -This file is part of GDB and GAS. - -GDB and GAS are free software; you can redistribute it and/or modify -it 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 and GAS are distributed in the hope that it 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 GDB or GAS; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* types of instruction (encoded in bits 26 and 27 of the instruction) */ - -#define TYPE_ARITHMETIC 0 -#define TYPE_LDR_STR 1 -#define TYPE_BLOCK_BRANCH 2 -#define TYPE_SWI 3 - -/* bit 25 decides whether an instruction is a block move or a branch */ -#define SUBTYPE_BLOCK 0 -#define SUBTYPE_BRANCH 1 - -/* codes to distinguish the arithmetic instructions */ - -#define OPCODE_AND 0 -#define OPCODE_EOR 1 -#define OPCODE_SUB 2 -#define OPCODE_RSB 3 -#define OPCODE_ADD 4 -#define OPCODE_ADC 5 -#define OPCODE_SBC 6 -#define OPCODE_RSC 7 -#define OPCODE_TST 8 -#define OPCODE_TEQ 9 -#define OPCODE_CMP 10 -#define OPCODE_CMN 11 -#define OPCODE_ORR 12 -#define OPCODE_MOV 13 -#define OPCODE_BIC 14 -#define OPCODE_MVN 15 - -/* condition codes */ - -#define COND_EQ 0 -#define COND_NE 1 -#define COND_CS 2 -#define COND_CC 3 -#define COND_MI 4 -#define COND_PL 5 -#define COND_VS 6 -#define COND_VC 7 -#define COND_HI 8 -#define COND_LS 9 -#define COND_GE 10 -#define COND_LT 11 -#define COND_GT 12 -#define COND_LE 13 -#define COND_AL 14 -#define COND_NV 15 - -/* Describes the format of an ARM machine instruction */ - -struct generic_fmt { - unsigned rest :25; /* the rest of the instruction */ - unsigned subtype :1; /* used to decide between block and branch */ - unsigned type :2; /* one of TYPE_* */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -struct arith_fmt { - unsigned operand2 :12; /* #nn or rn or rn shift #m or rn shift rm */ - unsigned dest :4; /* place where the answer goes */ - unsigned operand1 :4; /* first operand to instruction */ - unsigned set :1; /* == 1 means set processor flags */ - unsigned opcode :4; /* one of OPCODE_* defined above */ - unsigned immed :1; /* operand2 is an immediate value */ - unsigned type :2; /* == TYPE_ARITHMETIC */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -struct ldr_str_fmt { - unsigned offset :12; /* #nn or rn or rn shift #m */ - unsigned reg :4; /* destination for LDR, source for STR */ - unsigned base :4; /* base register */ - unsigned is_load :1; /* == 1 for LDR */ - unsigned writeback :1; /* == 1 means write back (base+offset) into base */ - unsigned byte :1; /* == 1 means byte access else word */ - unsigned up :1; /* == 1 means add offset else subtract it */ - unsigned pre_index :1; /* == 1 means [a,b] form else [a],b form */ - unsigned immed :1; /* == 0 means immediate offset */ - unsigned type :2; /* == TYPE_LDR_STR */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -struct block_fmt { - unsigned mask :16; /* register mask */ - unsigned base :4; /* register used as base of move */ - unsigned is_load :1; /* == 1 for LDM */ - unsigned writeback :1; /* == 1 means update base after move */ - unsigned set :1; /* == 1 means set flags in pc if included in mask */ - unsigned increment :1; /* == 1 means increment base register */ - unsigned before :1; /* == 1 means inc/dec before each move */ - unsigned is_block :1; /* == SUBTYPE_BLOCK */ - unsigned type :2; /* == TYPE_BLOCK_BRANCH */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -struct branch_fmt { - unsigned dest :24; /* destination of the branch */ - unsigned link :1; /* branch with link (function call) */ - unsigned is_branch :1; /* == SUBTYPE_BRANCH */ - unsigned type :2; /* == TYPE_BLOCK_BRANCH */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -#define ROUND_N 0 -#define ROUND_P 1 -#define ROUND_M 2 -#define ROUND_Z 3 - -#define FLOAT2_MVF 0 -#define FLOAT2_MNF 1 -#define FLOAT2_ABS 2 -#define FLOAT2_RND 3 -#define FLOAT2_SQT 4 -#define FLOAT2_LOG 5 -#define FLOAT2_LGN 6 -#define FLOAT2_EXP 7 -#define FLOAT2_SIN 8 -#define FLOAT2_COS 9 -#define FLOAT2_TAN 10 -#define FLOAT2_ASN 11 -#define FLOAT2_ACS 12 -#define FLOAT2_ATN 13 - -#define FLOAT3_ADF 0 -#define FLOAT3_MUF 1 -#define FLOAT3_SUF 2 -#define FLOAT3_RSF 3 -#define FLOAT3_DVF 4 -#define FLOAT3_RDF 5 -#define FLOAT3_POW 6 -#define FLOAT3_RPW 7 -#define FLOAT3_RMF 8 -#define FLOAT3_FML 9 -#define FLOAT3_FDV 10 -#define FLOAT3_FRD 11 -#define FLOAT3_POL 12 - -struct float2_fmt { - unsigned operand2 :3; /* second operand */ - unsigned immed :1; /* == 1 if second operand is a constant */ - unsigned pad1 :1; /* == 0 */ - unsigned rounding :2; /* ROUND_* */ - unsigned is_double :1; /* == 1 if precision is double (only if not extended) */ - unsigned pad2 :4; /* == 1 */ - unsigned dest :3; /* destination */ - unsigned is_2_op :1; /* == 1 if 2 operand ins */ - unsigned operand1 :3; /* first operand (only of is_2_op == 0) */ - unsigned is_extended :1; /* == 1 if precision is extended */ - unsigned opcode :4; /* FLOAT2_* or FLOAT3_* depending on is_2_op */ - unsigned must_be_2 :2; /* == 2 */ - unsigned type :2; /* == TYPE_SWI */ - unsigned cond :4; /* COND_* */ -}; - -struct swi_fmt { - unsigned argument :24; /* argument to SWI (syscall number) */ - unsigned must_be_3 :2; /* == 3 */ - unsigned type :2; /* == TYPE_SWI */ - unsigned cond :4; /* one of COND_* defined above */ -}; - -union insn_fmt { - struct generic_fmt generic; - struct arith_fmt arith; - struct ldr_str_fmt ldr_str; - struct block_fmt block; - struct branch_fmt branch; - struct swi_fmt swi; - unsigned long ins; -}; - -struct opcode { - unsigned long value, mask; /* recognise instruction if (op&mask)==value */ - char *assembler; /* how to disassemble this instruction */ -}; - -/* format of the assembler string : - - %% % - %<bitfield>d print the bitfield in decimal - %<bitfield>x print the bitfield in hex - %<bitfield>r print as an ARM register - %<bitfield>f print a floating point constant if >7 else an fp register - %c print condition code (always bits 28-31) - %P print floating point precision in arithmetic insn - %Q print floating point precision in ldf/stf insn - %R print floating point rounding mode - %<bitnum>'c print specified char iff bit is one - %<bitnum>`c print specified char iff bit is zero - %<bitnum>?ab print a if bit is one else print b - %p print 'p' iff bits 12-15 are 15 - %o print operand2 (immediate or register + shift) - %a print address for ldr/str instruction - %b print branch destination - %A print address for ldc/stc/ldf/stf instruction - %m print register mask for ldm/stm instruction -*/ - -static struct opcode opcodes[] = { - /* ARM instructions */ - 0x00000090, 0x0fe000f0, "mul%20's %12-15r, %16-19r, %0-3r", - 0x00200090, 0x0fe000f0, "mla%20's %12-15r, %16-19r, %0-3r, %8-11r", - 0x00000000, 0x0de00000, "and%c%20's %12-15r, %16-19r, %o", - 0x00200000, 0x0de00000, "eor%c%20's %12-15r, %16-19r, %o", - 0x00400000, 0x0de00000, "sub%c%20's %12-15r, %16-19r, %o", - 0x00600000, 0x0de00000, "rsb%c%20's %12-15r, %16-19r, %o", - 0x00800000, 0x0de00000, "add%c%20's %12-15r, %16-19r, %o", - 0x00a00000, 0x0de00000, "adc%c%20's %12-15r, %16-19r, %o", - 0x00c00000, 0x0de00000, "sbc%c%20's %12-15r, %16-19r, %o", - 0x00e00000, 0x0de00000, "rsc%c%20's %12-15r, %16-19r, %o", - 0x01000000, 0x0de00000, "tst%c%p %16-19r, %o", - 0x01200000, 0x0de00000, "teq%c%p %16-19r, %o", - 0x01400000, 0x0de00000, "cmp%c%p %16-19r, %o", - 0x01600000, 0x0de00000, "cmn%c%p %16-19r, %o", - 0x01800000, 0x0de00000, "orr%c%20's %12-15r, %16-19r, %o", - 0x01a00000, 0x0de00000, "mov%c%20's %12-15r, %o", - 0x01c00000, 0x0de00000, "bic%c%20's %12-15r, %16-19r, %o", - 0x01e00000, 0x0de00000, "mvn%c%20's %12-15r, %o", - 0x04000000, 0x0c100000, "str%c%22'b %12-15r, %a", - 0x04100000, 0x0c100000, "ldr%c%22'b %12-15r, %a", - 0x08000000, 0x0e100000, "stm%c%23?id%24?ba %16-19r%22`!, %m", - 0x08100000, 0x0e100000, "ldm%c%23?id%24?ba %16-19r%22`!, %m%22'^", - 0x0a000000, 0x0e000000, "b%c%24'l %b", - 0x0f000000, 0x0f000000, "swi%c %0-23x", - /* Floating point coprocessor instructions */ - 0x0e000100, 0x0ff08f10, "adf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e100100, 0x0ff08f10, "muf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e200100, 0x0ff08f10, "suf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e300100, 0x0ff08f10, "rsf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e400100, 0x0ff08f10, "dvf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e500100, 0x0ff08f10, "rdf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e600100, 0x0ff08f10, "pow%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e700100, 0x0ff08f10, "rpw%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e800100, 0x0ff08f10, "rmf%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e900100, 0x0ff08f10, "fml%c%P%R %12-14f, %16-18f, %0-3f", - 0x0ea00100, 0x0ff08f10, "fdv%c%P%R %12-14f, %16-18f, %0-3f", - 0x0eb00100, 0x0ff08f10, "frd%c%P%R %12-14f, %16-18f, %0-3f", - 0x0ec00100, 0x0ff08f10, "pol%c%P%R %12-14f, %16-18f, %0-3f", - 0x0e008100, 0x0ff08f10, "mvf%c%P%R %12-14f, %0-3f", - 0x0e108100, 0x0ff08f10, "mnf%c%P%R %12-14f, %0-3f", - 0x0e208100, 0x0ff08f10, "abs%c%P%R %12-14f, %0-3f", - 0x0e308100, 0x0ff08f10, "rnd%c%P%R %12-14f, %0-3f", - 0x0e408100, 0x0ff08f10, "sqt%c%P%R %12-14f, %0-3f", - 0x0e508100, 0x0ff08f10, "log%c%P%R %12-14f, %0-3f", - 0x0e608100, 0x0ff08f10, "lgn%c%P%R %12-14f, %0-3f", - 0x0e708100, 0x0ff08f10, "exp%c%P%R %12-14f, %0-3f", - 0x0e808100, 0x0ff08f10, "sin%c%P%R %12-14f, %0-3f", - 0x0e908100, 0x0ff08f10, "cos%c%P%R %12-14f, %0-3f", - 0x0ea08100, 0x0ff08f10, "tan%c%P%R %12-14f, %0-3f", - 0x0eb08100, 0x0ff08f10, "asn%c%P%R %12-14f, %0-3f", - 0x0ec08100, 0x0ff08f10, "acs%c%P%R %12-14f, %0-3f", - 0x0ed08100, 0x0ff08f10, "atn%c%P%R %12-14f, %0-3f", - 0x0e000110, 0x0ff00f1f, "flt%c%P%R %16-18f, %12-15r", - 0x0e100110, 0x0fff0f98, "fix%c%R %12-15r, %0-2f", - 0x0e200110, 0x0fff0fff, "wfs%c %12-15r", - 0x0e300110, 0x0fff0fff, "rfs%c %12-15r", - 0x0e400110, 0x0fff0fff, "wfc%c %12-15r", - 0x0e500110, 0x0fff0fff, "rfc%c %12-15r", - 0x0e90f110, 0x0ff8fff0, "cmf%c %16-18f, %0-3f", - 0x0eb0f110, 0x0ff8fff0, "cnf%c %16-18f, %0-3f", - 0x0ed0f110, 0x0ff8fff0, "cmfe%c %16-18f, %0-3f", - 0x0ef0f110, 0x0ff8fff0, "cnfe%c %16-18f, %0-3f", - 0x0c000100, 0x0e100f00, "stf%c%Q %12-14f, %A", - 0x0c100100, 0x0e100f00, "ldf%c%Q %12-14f, %A", - /* Generic coprocessor instructions */ - 0x0e000000, 0x0f000010, "cdp%c %8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}", - 0x0e000010, 0x0f100010, "mrc%c %8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}", - 0x0e100010, 0x0f100010, "mcr%c %8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}", - 0x0c000000, 0x0e100000, "stc%c%22`l %8-11d, cr%12-15d, %A", - 0x0c100000, 0x0e100000, "ldc%c%22`l %8-11d, cr%12-15d, %A", - /* the rest */ - 0x00000000, 0x00000000, "undefined instruction %0-31x", -}; -#define N_OPCODES (sizeof opcodes / sizeof opcodes[0]) +/* ARM assembler/disassembler support. + Copyright 2004 Free Software Foundation, Inc. + + This file is part of GDB and GAS. + + GDB and GAS are free software; you can redistribute it and/or + modify it 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 and GAS are distributed in the hope that it 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 GDB or GAS; see the file COPYING. If not, write to the + Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +/* The following bitmasks control CPU extensions: */ +#define ARM_EXT_V1 0x00000001 /* All processors (core set). */ +#define ARM_EXT_V2 0x00000002 /* Multiply instructions. */ +#define ARM_EXT_V2S 0x00000004 /* SWP instructions. */ +#define ARM_EXT_V3 0x00000008 /* MSR MRS. */ +#define ARM_EXT_V3M 0x00000010 /* Allow long multiplies. */ +#define ARM_EXT_V4 0x00000020 /* Allow half word loads. */ +#define ARM_EXT_V4T 0x00000040 /* Thumb v1. */ +#define ARM_EXT_V5 0x00000080 /* Allow CLZ, etc. */ +#define ARM_EXT_V5T 0x00000100 /* Thumb v2. */ +#define ARM_EXT_V5ExP 0x00000200 /* DSP core set. */ +#define ARM_EXT_V5E 0x00000400 /* DSP Double transfers. */ +#define ARM_EXT_V5J 0x00000800 /* Jazelle extension. */ +#define ARM_EXT_V6 0x00001000 /* ARM V6. */ + +/* Co-processor space extensions. */ +#define ARM_CEXT_XSCALE 0x00800000 /* Allow MIA etc. */ +#define ARM_CEXT_MAVERICK 0x00400000 /* Use Cirrus/DSP coprocessor. */ +#define ARM_CEXT_IWMMXT 0x00200000 /* Intel Wireless MMX technology coprocessor. */ + +/* Architectures are the sum of the base and extensions. The ARM ARM (rev E) + defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T, + ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE. To these we add + three more to cover cores prior to ARM6. Finally, there are cores which + implement further extensions in the co-processor space. */ +#define ARM_ARCH_V1 ARM_EXT_V1 +#define ARM_ARCH_V2 (ARM_ARCH_V1 | ARM_EXT_V2) +#define ARM_ARCH_V2S (ARM_ARCH_V2 | ARM_EXT_V2S) +#define ARM_ARCH_V3 (ARM_ARCH_V2S | ARM_EXT_V3) +#define ARM_ARCH_V3M (ARM_ARCH_V3 | ARM_EXT_V3M) +#define ARM_ARCH_V4xM (ARM_ARCH_V3 | ARM_EXT_V4) +#define ARM_ARCH_V4 (ARM_ARCH_V3M | ARM_EXT_V4) +#define ARM_ARCH_V4TxM (ARM_ARCH_V4xM | ARM_EXT_V4T) +#define ARM_ARCH_V4T (ARM_ARCH_V4 | ARM_EXT_V4T) +#define ARM_ARCH_V5xM (ARM_ARCH_V4xM | ARM_EXT_V5) +#define ARM_ARCH_V5 (ARM_ARCH_V4 | ARM_EXT_V5) +#define ARM_ARCH_V5TxM (ARM_ARCH_V5xM | ARM_EXT_V4T | ARM_EXT_V5T) +#define ARM_ARCH_V5T (ARM_ARCH_V5 | ARM_EXT_V4T | ARM_EXT_V5T) +#define ARM_ARCH_V5TExP (ARM_ARCH_V5T | ARM_EXT_V5ExP) +#define ARM_ARCH_V5TE (ARM_ARCH_V5TExP | ARM_EXT_V5E) +#define ARM_ARCH_V5TEJ (ARM_ARCH_V5TE | ARM_EXT_V5J) +#define ARM_ARCH_V6 (ARM_ARCH_V5TEJ | ARM_EXT_V6) + +/* Processors with specific extensions in the co-processor space. */ +#define ARM_ARCH_XSCALE (ARM_ARCH_V5TE | ARM_CEXT_XSCALE) +#define ARM_ARCH_IWMMXT (ARM_ARCH_XSCALE | ARM_CEXT_IWMMXT) + +#define FPU_FPA_EXT_V1 0x80000000 /* Base FPA instruction set. */ +#define FPU_FPA_EXT_V2 0x40000000 /* LFM/SFM. */ +#define FPU_VFP_EXT_NONE 0x20000000 /* Use VFP word-ordering. */ +#define FPU_VFP_EXT_V1xD 0x10000000 /* Base VFP instruction set. */ +#define FPU_VFP_EXT_V1 0x08000000 /* Double-precision insns. */ +#define FPU_VFP_EXT_V2 0x04000000 /* ARM10E VFPr1. */ +#define FPU_MAVERICK 0x02000000 /* Cirrus Maverick. */ +#define FPU_NONE 0 + +#define FPU_ARCH_FPE FPU_FPA_EXT_V1 +#define FPU_ARCH_FPA (FPU_ARCH_FPE | FPU_FPA_EXT_V2) + +#define FPU_ARCH_VFP FPU_VFP_EXT_NONE +#define FPU_ARCH_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_NONE) +#define FPU_ARCH_VFP_V1 (FPU_ARCH_VFP_V1xD | FPU_VFP_EXT_V1) +#define FPU_ARCH_VFP_V2 (FPU_ARCH_VFP_V1 | FPU_VFP_EXT_V2) + +#define FPU_ARCH_MAVERICK FPU_MAVERICK + +/* Some useful combinations: */ +#define ARM_ANY 0x0000ffff /* Any basic core. */ +#define ARM_ALL 0x00ffffff /* Any core + co-processor */ +#define CPROC_ANY 0x00ff0000 /* Any co-processor */ +#define FPU_ANY 0xff000000 /* Note this is ~ARM_ALL. */ |
