/* 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, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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. */ #define ARM_EXT_V5 0x00000080 /* Allow CLZ, etc. */ #define ARM_EXT_V5T 0x00000100 /* Improved interworking. */ #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. */ #define ARM_EXT_V6K 0x00002000 /* ARM V6K. */ #define ARM_EXT_V6Z 0x00004000 /* ARM V6Z. */ #define ARM_EXT_V6T2 0x00008000 /* Thumb-2. */ #define ARM_EXT_DIV 0x00010000 /* Integer division. */ /* The 'M' in Arm V7M stands for Microcontroller. On earlier architecture variants it stands for Multiply. */ #define ARM_EXT_V5E_NOTM 0x00020000 /* Arm V5E but not Arm V7M. */ #define ARM_EXT_V6_NOTM 0x00040000 /* Arm V6 but not Arm V7M. */ #define ARM_EXT_V7 0x00080000 /* Arm V7. */ #define ARM_EXT_V7A 0x00100000 /* Arm V7A. */ #define ARM_EXT_V7R 0x00200000 /* Arm V7R. */ #define ARM_EXT_V7M 0x00400000 /* Arm V7M. */ #define ARM_EXT_V6M 0x00800000 /* ARM V6M. */ #define ARM_EXT_BARRIER 0x01000000 /* DSB/DMB/ISB. */ #define ARM_EXT_THUMB_MSR 0x02000000 /* Thumb MSR/MRS. */ /* Co-processor space extensions. */ #define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */ #define ARM_CEXT_MAVERICK 0x00000002 /* Use Cirrus/DSP coprocessor. */ #define ARM_CEXT_IWMMXT 0x00000004 /* Intel Wireless MMX technology coprocessor. */ #define ARM_CEXT_IWMMXT2 0x00000008 /* Intel Wireless MMX technology coprocessor version 2. */ #define FPU_ENDIAN_PURE 0x80000000 /* Pure-endian doubles. */ #define FPU_ENDIAN_BIG 0 /* Double words-big-endian. */ #define FPU_FPA_EXT_V1 0x40000000 /* Base FPA instruction set. */ #define FPU_FPA_EXT_V2 0x20000000 /* LFM/SFM. */ #define FPU_MAVERICK 0x10000000 /* Cirrus Maverick. */ #define FPU_VFP_EXT_V1xD 0x08000000 /* Base VFP instruction set. */ #define FPU_VFP_EXT_V1 0x04000000 /* Double-precision insns. */ #define FPU_VFP_EXT_V2 0x02000000 /* ARM10E VFPr1. */ #define FPU_VFP_EXT_V3xD 0x01000000 /* VFPv3 single-precision. */ #define FPU_VFP_EXT_V3 0x00800000 /* VFPv3 double-precision. */ #define FPU_NEON_EXT_V1 0x00400000 /* Neon (SIMD) insns. */ #define FPU_VFP_EXT_D32 0x00200000 /* Registers D16-D31. */ #define FPU_VFP_EXT_FP16 0x00100000 /* Half-precision extensions. */ #define FPU_NEON_EXT_FMA 0x00080000 /* Neon fused multiply-add */ #define FPU_VFP_EXT_FMA 0x00040000 /* VFP fused multiply-add */ /* 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_AEXT_V1 ARM_EXT_V1 #define ARM_AEXT_V2 (ARM_AEXT_V1 | ARM_EXT_V2) #define ARM_AEXT_V2S (ARM_AEXT_V2 | ARM_EXT_V2S) #define ARM_AEXT_V3 (ARM_AEXT_V2S | ARM_EXT_V3) #define ARM_AEXT_V3M (ARM_AEXT_V3 | ARM_EXT_V3M) #define ARM_AEXT_V4xM (ARM_AEXT_V3 | ARM_EXT_V4) #define ARM_AEXT_V4 (ARM_AEXT_V3M | ARM_EXT_V4) #define ARM_AEXT_V4TxM (ARM_AEXT_V4xM | ARM_EXT_V4T) #define ARM_AEXT_V4T (ARM_AEXT_V4 | ARM_EXT_V4T) #define ARM_AEXT_V5xM (ARM_AEXT_V4xM | ARM_EXT_V5) #define ARM_AEXT_V5 (ARM_AEXT_V4 | ARM_EXT_V5) #define ARM_AEXT_V5TxM (ARM_AEXT_V5xM | ARM_EXT_V4T | ARM_EXT_V5T) #define ARM_AEXT_V5T (ARM_AEXT_V5 | ARM_EXT_V4T | ARM_EXT_V5T) #define ARM_AEXT_V5TExP (ARM_AEXT_V5T | ARM_EXT_V5ExP) #define ARM_AEXT_V5TE (ARM_AEXT_V5TExP | ARM_EXT_V5E) #define ARM_AEXT_V5TEJ (ARM_AEXT_V5TE | ARM_EXT_V5J) #define ARM_AEXT_V6 (ARM_AEXT_V5TEJ | ARM_EXT_V6) #define ARM_AEXT_V6K (ARM_AEXT_V6 | ARM_EXT_V6K) #define ARM_AEXT_V6Z (ARM_AEXT_V6 | ARM_EXT_V6Z) #define ARM_AEXT_V6ZK (ARM_AEXT_V6 | ARM_EXT_V6K | ARM_EXT_V6Z) #define ARM_AEXT_V6T2 (ARM_AEXT_V6 \ | ARM_EXT_V6T2 | ARM_EXT_V6_NOTM | ARM_EXT_THUMB_MSR) #define ARM_AEXT_V6KT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K) #define ARM_AEXT_V6ZT2 (ARM_AEXT_V6T2 | ARM_EXT_V6Z) #define ARM_AEXT_V6ZKT2 (ARM_AEXT_V6T2 | ARM_EXT_V6K | ARM_EXT_V6Z) #define ARM_AEXT_V7_ARM (ARM_AEXT_V6ZKT2 | ARM_EXT_V7 | ARM_EXT_BARRIER) #define ARM_AEXT_V7A (ARM_AEXT_V7_ARM | ARM_EXT_V7A) #define ARM_AEXT_V7R (ARM_AEXT_V7_ARM | ARM_EXT_V7R | ARM_EXT_DIV) #define ARM_AEXT_NOTM \ (ARM_AEXT_V4 | ARM_EXT_V5ExP | ARM_EXT_V5J | ARM_EXT_V6_NOTM) #define ARM_AEXT_V6M \ ((ARM_AEXT_V6K | ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) \ & ~(ARM_AEXT_NOTM)) #define ARM_AEXT_V7M \ ((ARM_AEXT_V7_ARM | ARM_EXT_V6M | ARM_EXT_V7M | ARM_EXT_DIV) \ & ~(ARM_AEXT_NOTM)) #define ARM_AEXT_V7 (ARM_AEXT_V7A & ARM_AEXT_V7R & ARM_AEXT_V7M) /* Processors with specific extensions in the co-processor space. */ #define ARM_ARCH_XSCALE ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE) #define ARM_ARCH_IWMMXT \ ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT) #define ARM_ARCH_IWMMXT2 \ ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE | ARM_CEXT_IWMMXT | ARM_CEXT_IWMMXT2) #define FPU_VFP_V1xD (FPU_VFP_EXT_V1xD | FPU_ENDIAN_PURE) #define FPU_VFP_V1 (FPU_VFP_V1xD | FPU_VFP_EXT_V1) #define FPU_VFP_V2 (FPU_VFP_V1 | FPU_VFP_EXT_V2) #define FPU_VFP_V3D16 (FPU_VFP_V2 | FPU_VFP_EXT_V3xD | FPU_VFP_EXT_V3) #define FPU_VFP_V3 (FPU_VFP_V3D16 | FPU_VFP_EXT_D32) #define FPU_VFP_V3xD (FPU_VFP_V1xD | FPU_VFP_EXT_V2 | FPU_VFP_EXT_V3xD) #define FPU_VFP_V4D16 (FPU_VFP_V3D16 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA) #define FPU_VFP_V4 (FPU_VFP_V3 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA) #define FPU_VFP_HARD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2 \ | FPU_VFP_EXT_V3xD | FPU_VFP_EXT_FMA | FPU_NEON_EXT_FMA \ | FPU_VFP_EXT_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_D32) #define FPU_FPA (FPU_FPA_EXT_V1 | FPU_FPA_EXT_V2) /* Deprecated */ #define FPU_ARCH_VFP ARM_FEATURE (0, FPU_ENDIAN_PURE) #define FPU_ARCH_FPE ARM_FEATURE (0, FPU_FPA_EXT_V1) #define FPU_ARCH_FPA ARM_FEATURE (0, FPU_FPA) #define FPU_ARCH_VFP_V1xD ARM_FEATURE (0, FPU_VFP_V1xD) #define FPU_ARCH_VFP_V1 ARM_FEATURE (0, FPU_VFP_V1) #define FPU_ARCH_VFP_V2 ARM_FEATURE (0, FPU_VFP_V2) #define FPU_ARCH_VFP_V3D16 ARM_FEATURE (0, FPU_VFP_V3D16) #define FPU_ARCH_VFP_V3D16_FP16 \ ARM_FEATURE (0, FPU_VFP_V3D16 | FPU_VFP_EXT_FP16) #define FPU_ARCH_VFP_V3 ARM_FEATURE (0, FPU_VFP_V3) #define FPU_ARCH_VFP_V3_FP16 ARM_FEATURE (0, FPU_VFP_V3 | FPU_VFP_EXT_FP16) #define FPU_ARCH_VFP_V3xD ARM_FEATURE (0, FPU_VFP_V3xD) #define FPU_ARCH_VFP_V3xD_FP16 ARM_FEATURE (0, FPU_VFP_V3xD | FPU_VFP_EXT_FP16) #define FPU_ARCH_NEON_V1 ARM_FEATURE (0, FPU_NEON_EXT_V1) #define FPU_ARCH_VFP_V3_PLUS_NEON_V1 \ ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1) #define FPU_ARCH_NEON_FP16 \ ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_FP16) #define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD) #define FPU_ARCH_VFP_V4 ARM_FEATURE(0, FPU_VFP_V4) #define FPU_ARCH_VFP_V4D16 ARM_FEATURE(0, FPU_VFP_V4D16) #define FPU_ARCH_NEON_VFP_V4 \ ARM_FEATURE(0, FPU_VFP_V4 | FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA) #define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE) #define FPU_ARCH_MAVERICK ARM_FEATURE (0, FPU_MAVERICK) #define ARM_ARCH_V1 ARM_FEATURE (ARM_AEXT_V1, 0) #define ARM_ARCH_V2 ARM_FEATURE (ARM_AEXT_V2, 0) #define ARM_ARCH_V2S ARM_FEATURE (ARM_AEXT_V2S, 0) #define ARM_ARCH_V3 ARM_FEATURE (ARM_AEXT_V3, 0) #define ARM_ARCH_V3M ARM_FEATURE (ARM_AEXT_V3M, 0) #define ARM_ARCH_V4xM ARM_FEATURE (ARM_AEXT_V4xM, 0) #define ARM_ARCH_V4 ARM_FEATURE (ARM_AEXT_V4, 0) #define ARM_ARCH_V4TxM ARM_FEATURE (ARM_AEXT_V4TxM, 0) #define ARM_ARCH_V4T ARM_FEATURE (ARM_AEXT_V4T, 0) #define ARM_ARCH_V5xM ARM_FEATURE (ARM_AEXT_V5xM, 0) #define ARM_ARCH_V5 ARM_FEATURE (ARM_AEXT_V5, 0) #define ARM_ARCH_V5TxM ARM_FEATURE (ARM_AEXT_V5TxM, 0) #define ARM_ARCH_V5T ARM_FEATURE (ARM_AEXT_V5T, 0) #define ARM_ARCH_V5TExP ARM_FEATURE (ARM_AEXT_V5TExP, 0) #define ARM_ARCH_V5TE ARM_FEATURE (ARM_AEXT_V5TE, 0) #define ARM_ARCH_V5TEJ ARM_FEATURE (ARM_AEXT_V5TEJ, 0) #define ARM_ARCH_V6 ARM_FEATURE (ARM_AEXT_V6, 0) #define ARM_ARCH_V6K ARM_FEATURE (ARM_AEXT_V6K, 0) #define ARM_ARCH_V6Z ARM_FEATURE (ARM_AEXT_V6Z, 0) #define ARM_ARCH_V6ZK ARM_FEATURE (ARM_AEXT_V6ZK, 0) #define ARM_ARCH_V6T2 ARM_FEATURE (ARM_AEXT_V6T2, 0) #define ARM_ARCH_V6KT2 ARM_FEATURE (ARM_AEXT_V6KT2, 0) #define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0) #define ARM_ARCH_V6ZKT2 ARM_FEATURE (ARM_AEXT_V6ZKT2, 0) #define ARM_ARCH_V6M ARM_FEATURE (ARM_AEXT_V6M, 0) #define ARM_ARCH_V7 ARM_FEATURE (ARM_AEXT_V7, 0) #define ARM_ARCH_V7A ARM_FEATURE (ARM_AEXT_V7A, 0) #define ARM_ARCH_V7R ARM_FEATURE (ARM_AEXT_V7R, 0) #define ARM_ARCH_V7M ARM_FEATURE (ARM_AEXT_V7M, 0) /* Some useful combinations: */ #define ARM_ARCH_NONE ARM_FEATURE (0, 0) #define FPU_NONE ARM_FEATURE (0, 0) #define ARM_ANY ARM_FEATURE (-1, 0) /* Any basic core. */ #define FPU_ANY_HARD ARM_FEATURE (0, FPU_FPA | FPU_VFP_HARD | FPU_MAVERICK) #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) /* There are too many feature bits to fit in a single word, so use a structure. For simplicity we put all core features in one word and everything else in the other. */ typedef struct { unsigned long core; unsigned long coproc; } arm_feature_set; #define ARM_CPU_HAS_FEATURE(CPU,FEAT) \ (((CPU).core & (FEAT).core) != 0 || ((CPU).coproc & (FEAT).coproc) != 0) #define ARM_MERGE_FEATURE_SETS(TARG,F1,F2) \ do { \ (TARG).core = (F1).core | (F2).core; \ (TARG).coproc = (F1).coproc | (F2).coproc; \ } while (0) #define ARM_CLEAR_FEATURE(TARG,F1,F2) \ do { \ (TARG).core = (F1).core &~ (F2).core; \ (TARG).coproc = (F1).coproc &~ (F2).coproc; \ } while (0) #define ARM_FEATURE(core, coproc) {(core), (coproc)}