1/* ARM assembler/disassembler support. 2 Copyright 2004 Free Software Foundation, Inc. 3 4 This file is part of GDB and GAS. 5 6 GDB and GAS are free software; you can redistribute it and/or 7 modify it under the terms of the GNU General Public License as 8 published by the Free Software Foundation; either version 1, or (at 9 your option) any later version. 10 11 GDB and GAS are distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GDB or GAS; see the file COPYING. If not, write to the 18 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 19 02110-1301, USA. */ 20 21/* The following bitmasks control CPU extensions: */ 22#define ARM_EXT_V1 0x00000001 /* All processors (core set). */ 23#define ARM_EXT_V2 0x00000002 /* Multiply instructions. */ 24#define ARM_EXT_V2S 0x00000004 /* SWP instructions. */ 25#define ARM_EXT_V3 0x00000008 /* MSR MRS. */ 26#define ARM_EXT_V3M 0x00000010 /* Allow long multiplies. */ 27#define ARM_EXT_V4 0x00000020 /* Allow half word loads. */ 28#define ARM_EXT_V4T 0x00000040 /* Thumb. */ 29#define ARM_EXT_V5 0x00000080 /* Allow CLZ, etc. */ 30#define ARM_EXT_V5T 0x00000100 /* Improved interworking. */ 31#define ARM_EXT_V5ExP 0x00000200 /* DSP core set. */ 32#define ARM_EXT_V5E 0x00000400 /* DSP Double transfers. */ 33#define ARM_EXT_V5J 0x00000800 /* Jazelle extension. */ 34#define ARM_EXT_V6 0x00001000 /* ARM V6. */ 35#define ARM_EXT_V6K 0x00002000 /* ARM V6K. */ 36#define ARM_EXT_V6Z 0x00004000 /* ARM V6Z. */ 37#define ARM_EXT_V6T2 0x00008000 /* Thumb-2. */ 38#define ARM_EXT_DIV 0x00010000 /* Integer division. */ 39/* The 'M' in Arm V7M stands for Microcontroller. 40 On earlier architecture variants it stands for Multiply. */ 41#define ARM_EXT_V5E_NOTM 0x00020000 /* Arm V5E but not Arm V7M. */ 42#define ARM_EXT_V6_NOTM 0x00040000 /* Arm V6 but not Arm V7M. */ 43#define ARM_EXT_V7 0x00080000 /* Arm V7. */ 44#define ARM_EXT_V7A 0x00100000 /* Arm V7A. */ 45#define ARM_EXT_V7R 0x00200000 /* Arm V7R. */ 46#define ARM_EXT_V7M 0x00400000 /* Arm V7M. */ 47 48/* Co-processor space extensions. */ 49#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */ 50#define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */ 51#define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */ 52#define ARM_CEXT_IWMMXT2 0x00000008 /* Intel Wireless MMX technology coprocessor version 2. */ 53 54#define FPU_ENDIAN_PURE 0x80000000 /* Pure-endian doubles. */ 55#define FPU_ENDIAN_BIG 0 /* Double words-big-endian. */ 56#define FPU_FPA_EXT_V1 0x40000000 /* Base FPA instruction set. */ 57#define FPU_FPA_EXT_V2 0x20000000 /* LFM/SFM. */ 58#define FPU_MAVERICK 0x10000000 /* Cirrus Maverick. */ 59#define FPU_VFP_EXT_V1xD 0x08000000 /* Base VFP instruction set. */ 60#define FPU_VFP_EXT_V1 0x04000000 /* Double-precision insns. */ 61#define FPU_VFP_EXT_V2 0x02000000 /* ARM10E VFPr1. */ 62#define FPU_VFP_EXT_V3 0x01000000 /* VFPv3 insns. */ 63#define FPU_NEON_EXT_V1 0x00800000 /* Neon (SIMD) insns. */ 64 65/* Architectures are the sum of the base and extensions. The ARM ARM (rev E) 66 defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T, 67 ARMv5xM, ARMv5, ARMv5TxM, ARMv5T, ARMv5TExP, ARMv5TE. To these we add 68 three more to cover cores prior to ARM6. Finally, there are cores which 69 implement further extensions in the co-processor space. */ 70#define ARM_AEXT_V1 ARM_EXT_V1 71#define ARM_AEXT_V2 (ARM_AEXT_V1 | ARM_EXT_V2) 72#define ARM_AEXT_V2S (ARM_AEXT_V2 | ARM_EXT_V2S) 73#define ARM_AEXT_V3 (ARM_AEXT_V2S | ARM_EXT_V3) 74#define ARM_AEXT_V3M (ARM_AEXT_V3 | ARM_EXT_V3M) 75#define ARM_AEXT_V4xM (ARM_AEXT_V3 | ARM_EXT_V4) 76#define ARM_AEXT_V4 (ARM_AEXT_V3M | ARM_EXT_V4) 77#define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T) 78#define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T) 79#define ARM_AEXT_V5xM (ARM_AEXT_V4xM | ARM_EXT_V5) 80#define ARM_AEXT_V5 (ARM_AEXT_V4 | ARM_EXT_V5) 81#define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T) 82#define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T) 83#define ARM_AEXT_V5TExP (ARM_AEXT_V5T | ARM_EXT_V5ExP) 84#define ARM_AEXT_V5TE (ARM_AEXT_V5TExP | ARM_EXT_V5E) 85#define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE | ARM_EXT_V5J) 86#define ARM_AEXT_V6 (ARM_AEXT_V5TEJ | ARM_EXT_V6) 87#define ARM_AEXT_V6K (ARM_AEXT_V6 | ARM_EXT_V6K) 88#define ARM_AEXT_V6Z (ARM_AEXT_V6 | ARM_EXT_V6Z) 89#define ARM_AEXT_V6ZK (ARM_AEXT_V6 | ARM_EXT_V6K | ARM_EXT_V6Z) 90#define ARM_AEXT_V6T2 (ARM_AEXT_V6 | ARM_EXT_V6T2 | ARM_EXT_V6_NOTM) 91#define ARM_AEXT_V6KT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K) 92#define ARM_AEXT_V6ZT2 (ARM_AEXT_V6T2 | ARM_EXT_V6Z) 93#define ARM_AEXT_V6ZKT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K | ARM_EXT_V6Z) 94#define ARM_AEXT_V7_ARM (ARM_AEXT_V6ZKT2 | ARM_EXT_V7) 95#define ARM_AEXT_V7A (ARM_AEXT_V7_ARM | ARM_EXT_V7A) 96#define ARM_AEXT_V7R (ARM_AEXT_V7_ARM | ARM_EXT_V7R | ARM_EXT_DIV) 97#define ARM_AEXT_NOTM \ 98 (ARM_AEXT_V4 | ARM_EXT_V5ExP | ARM_EXT_V5J | ARM_EXT_V6_NOTM) 99#define ARM_AEXT_V7M \ 100 ((ARM_AEXT_V7_ARM | ARM_EXT_V7M | ARM_EXT_DIV) & ~(ARM_AEXT_NOTM)) 101#define ARM_AEXT_V7 (ARM_AEXT_V7A & ARM_AEXT_V7R & ARM_AEXT_V7M) 102 103/* Processors with specific extensions in the co-processor space. */ 104#define ARM_ARCH_XSCALE ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE) 105#define ARM_ARCH_IWMMXT \ 106 ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT) 107#define ARM_ARCH_IWMMXT2 \ 108 ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT | ARM_CEXT_IWMMXT2) 109 110#define FPU_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE) 111#define FPU_VFP_V1 (FPU_VFP_V1xD | FPU_VFP_EXT_V1) 112#define FPU_VFP_V2 (FPU_VFP_V1 | FPU_VFP_EXT_V2) 113#define FPU_VFP_V3 (FPU_VFP_V2 | FPU_VFP_EXT_V3) 114#define FPU_VFP_HARD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2 \ 115 | FPU_VFP_EXT_V3 | FPU_NEON_EXT_V1) 116#define FPU_FPA (FPU_FPA_EXT_V1 | FPU_FPA_EXT_V2) 117 118/* Deprecated */ 119#define FPU_ARCH_VFP ARM_FEATURE (0, FPU_ENDIAN_PURE) 120 121#define FPU_ARCH_FPE ARM_FEATURE (0, FPU_FPA_EXT_V1) 122#define FPU_ARCH_FPA ARM_FEATURE (0, FPU_FPA) 123 124#define FPU_ARCH_VFP_V1xD ARM_FEATURE (0, FPU_VFP_V1xD) 125#define FPU_ARCH_VFP_V1 ARM_FEATURE (0, FPU_VFP_V1) 126#define FPU_ARCH_VFP_V2 ARM_FEATURE (0, FPU_VFP_V2) 127#define FPU_ARCH_VFP_V3 ARM_FEATURE (0, FPU_VFP_V3) 128#define FPU_ARCH_NEON_V1 ARM_FEATURE (0, FPU_NEON_EXT_V1) 129#define FPU_ARCH_VFP_V3_PLUS_NEON_V1 \ 130 ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1) 131#define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD) 132 133#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE) 134 135#define FPU_ARCH_MAVERICK ARM_FEATURE (0, FPU_MAVERICK) 136 137#define ARM_ARCH_V1 ARM_FEATURE (ARM_AEXT_V1, 0) 138#define ARM_ARCH_V2 ARM_FEATURE (ARM_AEXT_V2, 0) 139#define ARM_ARCH_V2S ARM_FEATURE (ARM_AEXT_V2S, 0) 140#define ARM_ARCH_V3 ARM_FEATURE (ARM_AEXT_V3, 0) 141#define ARM_ARCH_V3M ARM_FEATURE (ARM_AEXT_V3M, 0) 142#define ARM_ARCH_V4xM ARM_FEATURE (ARM_AEXT_V4xM, 0) 143#define ARM_ARCH_V4 ARM_FEATURE (ARM_AEXT_V4, 0) 144#define ARM_ARCH_V4TxM ARM_FEATURE (ARM_AEXT_V4TxM, 0) 145#define ARM_ARCH_V4T ARM_FEATURE (ARM_AEXT_V4T, 0) 146#define ARM_ARCH_V5xM ARM_FEATURE (ARM_AEXT_V5xM, 0) 147#define ARM_ARCH_V5 ARM_FEATURE (ARM_AEXT_V5, 0) 148#define ARM_ARCH_V5TxM ARM_FEATURE (ARM_AEXT_V5TxM, 0) 149#define ARM_ARCH_V5T ARM_FEATURE (ARM_AEXT_V5T, 0) 150#define ARM_ARCH_V5TExP ARM_FEATURE (ARM_AEXT_V5TExP, 0) 151#define ARM_ARCH_V5TE ARM_FEATURE (ARM_AEXT_V5TE, 0) 152#define ARM_ARCH_V5TEJ ARM_FEATURE (ARM_AEXT_V5TEJ, 0) 153#define ARM_ARCH_V6 ARM_FEATURE (ARM_AEXT_V6, 0) 154#define ARM_ARCH_V6K ARM_FEATURE (ARM_AEXT_V6K, 0) 155#define ARM_ARCH_V6Z ARM_FEATURE (ARM_AEXT_V6Z, 0) 156#define ARM_ARCH_V6ZK ARM_FEATURE (ARM_AEXT_V6ZK, 0) 157#define ARM_ARCH_V6T2 ARM_FEATURE (ARM_AEXT_V6T2, 0) 158#define ARM_ARCH_V6KT2 ARM_FEATURE (ARM_AEXT_V6KT2, 0) 159#define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0) 160#define ARM_ARCH_V6ZKT2 ARM_FEATURE (ARM_AEXT_V6ZKT2, 0) 161#define ARM_ARCH_V7 ARM_FEATURE (ARM_AEXT_V7, 0) 162#define ARM_ARCH_V7A ARM_FEATURE (ARM_AEXT_V7A, 0) 163#define ARM_ARCH_V7R ARM_FEATURE (ARM_AEXT_V7R, 0) 164#define ARM_ARCH_V7M ARM_FEATURE (ARM_AEXT_V7M, 0) 165 166/* Some useful combinations: */ 167#define ARM_ARCH_NONE ARM_FEATURE (0, 0) 168#define FPU_NONE ARM_FEATURE (0, 0) 169#define ARM_ANY ARM_FEATURE (-1, 0) /* Any basic core. */ 170#define FPU_ANY_HARD ARM_FEATURE (0, FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK) 171#define ARM_ARCH_THUMB2 ARM_FEATURE (ARM_EXT_V6T2 | ARM_EXT_V7 | ARM_EXT_V7A | ARM_EXT_V7R | ARM_EXT_V7M | ARM_EXT_DIV, 0) 172 173/* There are too many feature bits to fit in a single word, so use a 174 structure. For simplicity we put all core features in one word and 175 everything else in the other. */ 176typedef struct 177{ 178 unsigned long core; 179 unsigned long coproc; 180} arm_feature_set; 181 182#define ARM_CPU_HAS_FEATURE(CPU,FEAT) \ 183 (((CPU).core & (FEAT).core) != 0 || ((CPU).coproc & (FEAT).coproc) != 0) 184 185#define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \ 186 do { \ 187 (TARG).core = (F1).core | (F2).core; \ 188 (TARG).coproc = (F1).coproc | (F2).coproc; \ 189 } while (0) 190 191#define ARM_CLEAR_FEATURE(TARG,F1,F2) \ 192 do { \ 193 (TARG).core = (F1).core &~ (F2).core; \ 194 (TARG).coproc = (F1).coproc &~ (F2).coproc; \ 195 } while (0) 196 197#define ARM_FEATURE(core, coproc) {(core), (coproc)} 198