-/* 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. */
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