/* Definitions for opcode table for the sparc. Copyright (C) 1989-2014 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and the GNU Binutils. GAS/GDB is 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 3, or (at your option) any later version. GAS/GDB is 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 GAS or GDB; see the file COPYING3. If not, write to the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ #include "ansidecl.h" /* The SPARC opcode table (and other related data) is defined in the opcodes library in sparc-opc.c. If you change anything here, make sure you fix up that file, and vice versa. */ /* FIXME-someday: perhaps the ,a's and such should be embedded in the instruction's name rather than the args. This would make gas faster, pinsn slower, but would mess up some macros a bit. xoxorich. */ /* List of instruction sets variations. These values are such that each element is either a superset of a preceding each one or they conflict in which case SPARC_OPCODE_CONFLICT_P returns non-zero. The values are indices into `sparc_opcode_archs' defined in sparc-opc.c. Don't change this without updating sparc-opc.c. */ enum sparc_opcode_arch_val { SPARC_OPCODE_ARCH_V6 = 0, SPARC_OPCODE_ARCH_V7, SPARC_OPCODE_ARCH_V8, SPARC_OPCODE_ARCH_LEON, SPARC_OPCODE_ARCH_SPARCLET, SPARC_OPCODE_ARCH_SPARCLITE, /* V9 variants must appear last. */ SPARC_OPCODE_ARCH_V9, SPARC_OPCODE_ARCH_V9A, /* V9 with ultrasparc additions. */ SPARC_OPCODE_ARCH_V9B, /* V9 with ultrasparc and cheetah additions. */ SPARC_OPCODE_ARCH_BAD /* Error return from sparc_opcode_lookup_arch. */ }; /* The highest architecture in the table. */ #define SPARC_OPCODE_ARCH_MAX (SPARC_OPCODE_ARCH_BAD - 1) /* Given an enum sparc_opcode_arch_val, return the bitmask to use in insn encoding/decoding. */ #define SPARC_OPCODE_ARCH_MASK(arch) (1 << (arch)) /* Given a valid sparc_opcode_arch_val, return non-zero if it's v9. */ #define SPARC_OPCODE_ARCH_V9_P(arch) ((arch) >= SPARC_OPCODE_ARCH_V9) /* Table of cpu variants. */ typedef struct sparc_opcode_arch { const char *name; /* Mask of sparc_opcode_arch_val's supported. EG: For v7 this would be (SPARC_OPCODE_ARCH_MASK (..._V6) | SPARC_OPCODE_ARCH_MASK (..._V7)). These are short's because sparc_opcode.architecture is. */ short supported; } sparc_opcode_arch; extern const struct sparc_opcode_arch sparc_opcode_archs[]; /* Given architecture name, look up it's sparc_opcode_arch_val value. */ extern enum sparc_opcode_arch_val sparc_opcode_lookup_arch (const char *); /* Return the bitmask of supported architectures for ARCH. */ #define SPARC_OPCODE_SUPPORTED(ARCH) (sparc_opcode_archs[ARCH].supported) /* Non-zero if ARCH1 conflicts with ARCH2. IE: ARCH1 as a supported bit set that ARCH2 doesn't, and vice versa. */ #define SPARC_OPCODE_CONFLICT_P(ARCH1, ARCH2) \ (((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \ != SPARC_OPCODE_SUPPORTED (ARCH1)) \ && ((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \ != SPARC_OPCODE_SUPPORTED (ARCH2))) /* Structure of an opcode table entry. */ typedef struct sparc_opcode { const char *name; unsigned long match; /* Bits that must be set. */ unsigned long lose; /* Bits that must not be set. */ const char *args; /* This was called "delayed" in versions before the flags. */ unsigned int flags; unsigned int hwcaps; unsigned int hwcaps2; short architecture; /* Bitmask of sparc_opcode_arch_val's. */ } sparc_opcode; /* FIXME: Add F_ANACHRONISTIC flag for v9. */ #define F_DELAYED 0x00000001 /* Delayed branch. */ #define F_ALIAS 0x00000002 /* Alias for a "real" instruction. */ #define F_UNBR 0x00000004 /* Unconditional branch. */ #define F_CONDBR 0x00000008 /* Conditional branch. */ #define F_JSR 0x00000010 /* Subroutine call. */ #define F_FLOAT 0x00000020 /* Floating point instruction (not a branch). */ #define F_FBR 0x00000040 /* Floating point branch. */ #define F_PREFERRED 0x00000080 /* A preferred alias. */ #define F_PREF_ALIAS (F_ALIAS|F_PREFERRED) /* These must match the ELF_SPARC_HWCAP_* and ELF_SPARC_HWCAP2_* values precisely. See include/elf/sparc.h. */ #define HWCAP_MUL32 0x00000001 /* umul/umulcc/smul/smulcc insns */ #define HWCAP_DIV32 0x00000002 /* udiv/udivcc/sdiv/sdivcc insns */ #define HWCAP_FSMULD 0x00000004 /* 'fsmuld' insn */ #define HWCAP_V8PLUS 0x00000008 /* v9 insns available to 32bit */ #define HWCAP_POPC 0x00000010 /* 'popc' insn */ #define HWCAP_VIS 0x00000020 /* VIS insns */ #define HWCAP_VIS2 0x00000040 /* VIS2 insns */ #define HWCAP_ASI_BLK_INIT \ 0x00000080 /* block init ASIs */ #define HWCAP_FMAF 0x00000100 /* fused multiply-add */ #define HWCAP_VIS3 0x00000400 /* VIS3 insns */ #define HWCAP_HPC 0x00000800 /* HPC insns */ #define HWCAP_RANDOM 0x00001000 /* 'random' insn */ #define HWCAP_TRANS 0x00002000 /* transaction insns */ #define HWCAP_FJFMAU 0x00004000 /* unfused multiply-add */ #define HWCAP_IMA 0x00008000 /* integer multiply-add */ #define HWCAP_ASI_CACHE_SPARING \ 0x00010000 /* cache sparing ASIs */ #define HWCAP_AES 0x00020000 /* AES crypto insns */ #define HWCAP_DES 0x00040000 /* DES crypto insns */ #define HWCAP_KASUMI 0x00080000 /* KASUMI crypto insns */ #define HWCAP_CAMELLIA 0x00100000 /* CAMELLIA crypto insns */ #define HWCAP_MD5 0x00200000 /* MD5 hashing insns */ #define HWCAP_SHA1 0x00400000 /* SHA1 hashing insns */ #define HWCAP_SHA256 0x00800000 /* SHA256 hashing insns */ #define HWCAP_SHA512 0x01000000 /* SHA512 hashing insns */ #define HWCAP_MPMUL 0x02000000 /* Multiple Precision Multiply */ #define HWCAP_MONT 0x04000000 /* Montgomery Mult/Sqrt */ #define HWCAP_PAUSE 0x08000000 /* Pause insn */ #define HWCAP_CBCOND 0x10000000 /* Compare and Branch insns */ #define HWCAP_CRC32C 0x20000000 /* CRC32C insn */ #define HWCAP2_FJATHPLUS 0x00000001 /* Fujitsu Athena+ */ #define HWCAP2_VIS3B 0x00000002 /* VIS3 present on multiple chips */ #define HWCAP2_ADP 0x00000004 /* Application Data Protection */ #define HWCAP2_SPARC5 0x00000008 /* The 29 new fp and sub instructions */ #define HWCAP2_MWAIT 0x00000010 /* mwait instruction and load/monitor ASIs */ #define HWCAP2_XMPMUL 0x00000020 /* XOR multiple precision multiply */ #define HWCAP2_XMONT 0x00000040 /* XOR Montgomery mult/sqr instructions */ #define HWCAP2_NSEC \ 0x00000080 /* pause insn with support for nsec timings */ #define HWCAP2_FJATHHPC 0x00001000 /* Fujitsu HPC instrs */ #define HWCAP2_FJDES 0x00002000 /* Fujitsu DES instrs */ #define HWCAP2_FJAES 0x00010000 /* Fujitsu AES instrs */ /* All sparc opcodes are 32 bits, except for the `set' instruction (really a macro), which is 64 bits. It is handled as a special case. The match component is a mask saying which bits must match a particular opcode in order for an instruction to be an instance of that opcode. The args component is a string containing one character for each operand of the instruction. Kinds of operands: # Number used by optimizer. It is ignored. 1 rs1 register. 2 rs2 register. d rd register. e frs1 floating point register. v frs1 floating point register (double/even). V frs1 floating point register (quad/multiple of 4). f frs2 floating point register. B frs2 floating point register (double/even). R frs2 floating point register (quad/multiple of 4). 4 frs3 floating point register. 5 frs3 floating point register (doube/even). g frsd floating point register. H frsd floating point register (double/even). J frsd floating point register (quad/multiple of 4). } frsd floating point register (double/even) that is == frs2 b crs1 coprocessor register c crs2 coprocessor register D crsd coprocessor register m alternate space register (asr) in rd M alternate space register (asr) in rs1 h 22 high bits. X 5 bit unsigned immediate Y 6 bit unsigned immediate 3 SIAM mode (3 bits). (v9b) K MEMBAR mask (7 bits). (v9) j 10 bit Immediate. (v9) I 11 bit Immediate. (v9) i 13 bit Immediate. n 22 bit immediate. k 2+14 bit PC relative immediate. (v9) G 19 bit PC relative immediate. (v9) l 22 bit PC relative immediate. L 30 bit PC relative immediate. a Annul. The annul bit is set. A Alternate address space. Stored as 8 bits. C Coprocessor state register. F floating point state register. p Processor state register. N Branch predict clear ",pn" (v9) T Branch predict set ",pt" (v9) z %icc. (v9) Z %xcc. (v9) q Floating point queue. r Single register that is both rs1 and rd. O Single register that is both rs2 and rd. Q Coprocessor queue. S Special case. t Trap base register. w Window invalid mask register. y Y register. u sparclet coprocessor registers in rd position U sparclet coprocessor registers in rs1 position E %ccr. (v9) s %fprs. (v9) P %pc. (v9) W %tick. (v9) { %mcdper. (v9b) o %asi. (v9) 6 %fcc0. (v9) 7 %fcc1. (v9) 8 %fcc2. (v9) 9 %fcc3. (v9) ! Privileged Register in rd (v9) ? Privileged Register in rs1 (v9) * Prefetch function constant. (v9) x OPF field (v9 impdep). 0 32/64 bit immediate for set or setx (v9) insns _ Ancillary state register in rd (v9a) / Ancillary state register in rs1 (v9a) ( entire floating point state register (%efsr) ) 5 bit immediate placed in RS3 field = 2+8 bit PC relative immediate. (v9) */ #define OP2(x) (((x) & 0x7) << 22) /* Op2 field of format2 insns. */ #define OP3(x) (((x) & 0x3f) << 19) /* Op3 field of format3 insns. */ #define OP(x) ((unsigned) ((x) & 0x3) << 30) /* Op field of all insns. */ #define OPF(x) (((x) & 0x1ff) << 5) /* Opf field of float insns. */ #define OPF_LOW5(x) OPF ((x) & 0x1f) /* V9. */ #define OPF_LOW4(x) OPF ((x) & 0xf) /* V9. */ #define F3F(x, y, z) (OP (x) | OP3 (y) | OPF (z)) /* Format3 float insns. */ #define F3F4(x, y, z) (OP (x) | OP3 (y) | OPF_LOW4 (z)) #define F3I(x) (((x) & 0x1) << 13) /* Immediate field of format 3 insns. */ #define F2(x, y) (OP (x) | OP2(y)) /* Format 2 insns. */ #define F3(x, y, z) (OP (x) | OP3(y) | F3I(z)) /* Format3 insns. */ #define F1(x) (OP (x)) #define DISP30(x) ((x) & 0x3fffffff) #define ASI(x) (((x) & 0xff) << 5) /* Asi field of format3 insns. */ #define RS2(x) ((x) & 0x1f) /* Rs2 field. */ #define SIMM13(x) ((x) & 0x1fff) /* Simm13 field. */ #define RD(x) (((x) & 0x1f) << 25) /* Destination register field. */ #define RS1(x) (((x) & 0x1f) << 14) /* Rs1 field. */ #define RS3(x) (((x) & 0x1f) << 9) /* Rs3 field. */ #define ASI_RS2(x) (SIMM13 (x)) #define MEMBAR(x) ((x) & 0x7f) #define SLCPOP(x) (((x) & 0x7f) << 6) /* Sparclet cpop. */ #define ANNUL (1 << 29) #define BPRED (1 << 19) /* V9. */ #define IMMED F3I (1) #define RD_G0 RD (~0) #define RS1_G0 RS1 (~0) #define RS2_G0 RS2 (~0) extern const struct sparc_opcode sparc_opcodes[]; extern const int sparc_num_opcodes; extern int sparc_encode_asi (const char *); extern const char *sparc_decode_asi (int); extern int sparc_encode_membar (const char *); extern const char *sparc_decode_membar (int); extern int sparc_encode_prefetch (const char *); extern const char *sparc_decode_prefetch (int); extern int sparc_encode_sparclet_cpreg (const char *); extern const char *sparc_decode_sparclet_cpreg (int); /* Local Variables: fill-column: 131 comment-column: 0 End: */