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521 lines
18 KiB
C
521 lines
18 KiB
C
/* ppc.h -- Header file for PowerPC opcode table
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Copyright (C) 1994-2021 Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Cygnus Support
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This file is part of GDB, GAS, and the GNU binutils.
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GDB, GAS, and the GNU binutils are free software; you can redistribute
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them and/or modify them under the terms of the GNU General Public
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License as published by the Free Software Foundation; either version 3,
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or (at your option) any later version.
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GDB, GAS, and the GNU binutils are distributed in the hope that they
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will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this file; see the file COPYING3. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef PPC_H
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#define PPC_H
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#include "bfd_stdint.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef uint64_t ppc_cpu_t;
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/* The opcode table is an array of struct powerpc_opcode. */
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struct powerpc_opcode
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{
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/* The opcode name. */
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const char *name;
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/* The opcode itself. Those bits which will be filled in with
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operands are zeroes. */
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uint64_t opcode;
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/* The opcode mask. This is used by the disassembler. This is a
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mask containing ones indicating those bits which must match the
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opcode field, and zeroes indicating those bits which need not
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match (and are presumably filled in by operands). */
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uint64_t mask;
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/* One bit flags for the opcode. These are used to indicate which
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specific processors support the instructions. The defined values
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are listed below. */
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ppc_cpu_t flags;
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/* One bit flags for the opcode. These are used to indicate which
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specific processors no longer support the instructions. The defined
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values are listed below. */
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ppc_cpu_t deprecated;
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/* An array of operand codes. Each code is an index into the
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operand table. They appear in the order which the operands must
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appear in assembly code, and are terminated by a zero. */
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unsigned char operands[8];
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};
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/* The table itself is sorted by major opcode number, and is otherwise
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in the order in which the disassembler should consider
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instructions. */
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extern const struct powerpc_opcode powerpc_opcodes[];
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extern const unsigned int powerpc_num_opcodes;
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extern const struct powerpc_opcode prefix_opcodes[];
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extern const unsigned int prefix_num_opcodes;
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extern const struct powerpc_opcode vle_opcodes[];
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extern const unsigned int vle_num_opcodes;
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extern const struct powerpc_opcode spe2_opcodes[];
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extern const unsigned int spe2_num_opcodes;
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/* Values defined for the flags field of a struct powerpc_opcode. */
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/* Opcode is defined for the PowerPC architecture. */
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#define PPC_OPCODE_PPC 0x1ull
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/* Opcode is defined for the POWER (RS/6000) architecture. */
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#define PPC_OPCODE_POWER 0x2ull
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/* Opcode is defined for the POWER2 (Rios 2) architecture. */
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#define PPC_OPCODE_POWER2 0x4ull
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/* Opcode is only defined on 64 bit architectures. */
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#define PPC_OPCODE_64 0x8ull
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/* Opcode is supported by the Motorola PowerPC 601 processor. The 601
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is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
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but it also supports many additional POWER instructions. */
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#define PPC_OPCODE_601 0x10ull
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/* Opcode is supported in both the Power and PowerPC architectures
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(ie, compiler's -mcpu=common or assembler's -mcom). More than just
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the intersection of PPC_OPCODE_PPC with the union of PPC_OPCODE_POWER
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and PPC_OPCODE_POWER2 because many instructions changed mnemonics
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between POWER and POWERPC. */
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#define PPC_OPCODE_COMMON 0x20ull
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/* Opcode is supported for any Power or PowerPC platform (this is
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for the assembler's -many option, and it eliminates duplicates). */
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#define PPC_OPCODE_ANY 0x40ull
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/* Opcode is supported as part of the 64-bit bridge. */
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#define PPC_OPCODE_64_BRIDGE 0x80ull
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/* Opcode is supported by Altivec Vector Unit */
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#define PPC_OPCODE_ALTIVEC 0x100ull
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/* Opcode is supported by PowerPC 403 processor. */
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#define PPC_OPCODE_403 0x200ull
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/* Opcode is supported by PowerPC BookE processor. */
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#define PPC_OPCODE_BOOKE 0x400ull
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/* Opcode is only supported by Power4 architecture. */
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#define PPC_OPCODE_POWER4 0x800ull
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/* Opcode is only supported by e500x2 Core.
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This bit, PPC_OPCODE_EFS, PPC_OPCODE_VLE, and all those with APU in
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their comment mark opcodes so that when those instructions are used
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an APUinfo entry can be generated. */
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#define PPC_OPCODE_SPE 0x1000ull
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/* Opcode is supported by Integer select APU. */
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#define PPC_OPCODE_ISEL 0x2000ull
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/* Opcode is an e500 SPE floating point instruction. */
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#define PPC_OPCODE_EFS 0x4000ull
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/* Opcode is supported by branch locking APU. */
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#define PPC_OPCODE_BRLOCK 0x8000ull
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/* Opcode is supported by performance monitor APU. */
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#define PPC_OPCODE_PMR 0x10000ull
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/* Opcode is supported by cache locking APU. */
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#define PPC_OPCODE_CACHELCK 0x20000ull
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/* Opcode is supported by machine check APU. */
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#define PPC_OPCODE_RFMCI 0x40000ull
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/* Opcode is supported by PowerPC 440 processor. */
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#define PPC_OPCODE_440 0x80000ull
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/* Opcode is only supported by Power5 architecture. */
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#define PPC_OPCODE_POWER5 0x100000ull
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/* Opcode is supported by PowerPC e300 family. */
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#define PPC_OPCODE_E300 0x200000ull
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/* Opcode is only supported by Power6 architecture. */
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#define PPC_OPCODE_POWER6 0x400000ull
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/* Opcode is only supported by PowerPC Cell family. */
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#define PPC_OPCODE_CELL 0x800000ull
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/* Opcode is supported by CPUs with paired singles support. */
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#define PPC_OPCODE_PPCPS 0x1000000ull
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/* Opcode is supported by Power E500MC */
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#define PPC_OPCODE_E500MC 0x2000000ull
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/* Opcode is supported by PowerPC 405 processor. */
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#define PPC_OPCODE_405 0x4000000ull
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/* Opcode is supported by Vector-Scalar (VSX) Unit */
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#define PPC_OPCODE_VSX 0x8000000ull
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/* Opcode is only supported by Power7 architecture. */
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#define PPC_OPCODE_POWER7 0x10000000ull
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/* Opcode is supported by A2. */
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#define PPC_OPCODE_A2 0x20000000ull
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/* Opcode is supported by PowerPC 476 processor. */
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#define PPC_OPCODE_476 0x40000000ull
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/* Opcode is supported by AppliedMicro Titan core */
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#define PPC_OPCODE_TITAN 0x80000000ull
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/* Opcode which is supported by the e500 family */
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#define PPC_OPCODE_E500 0x100000000ull
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/* Opcode is supported by Power E6500 */
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#define PPC_OPCODE_E6500 0x200000000ull
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/* Opcode is supported by Thread management APU */
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#define PPC_OPCODE_TMR 0x400000000ull
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/* Opcode which is supported by the VLE extension. */
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#define PPC_OPCODE_VLE 0x800000000ull
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/* Opcode is only supported by Power8 architecture. */
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#define PPC_OPCODE_POWER8 0x1000000000ull
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/* Opcode is supported by ppc750cl/Gekko/Broadway. */
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#define PPC_OPCODE_750 0x2000000000ull
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/* Opcode is supported by ppc7450. */
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#define PPC_OPCODE_7450 0x4000000000ull
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/* Opcode is supported by ppc821/850/860. */
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#define PPC_OPCODE_860 0x8000000000ull
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/* Opcode is only supported by Power9 architecture. */
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#define PPC_OPCODE_POWER9 0x10000000000ull
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/* Opcode is supported by e200z4. */
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#define PPC_OPCODE_E200Z4 0x20000000000ull
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/* Disassemble to instructions matching later in the opcode table
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with fewer "mask" bits set rather than the earlist match. Fewer
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"mask" bits set imply a more general form of the opcode, in fact
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the underlying machine instruction. */
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#define PPC_OPCODE_RAW 0x40000000000ull
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/* Opcode is supported by PowerPC LSP */
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#define PPC_OPCODE_LSP 0x80000000000ull
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/* Opcode is only supported by Freescale SPE2 APU. */
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#define PPC_OPCODE_SPE2 0x100000000000ull
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/* Opcode is supported by EFS2. */
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#define PPC_OPCODE_EFS2 0x200000000000ull
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/* Opcode is only supported by power10 architecture. */
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#define PPC_OPCODE_POWER10 0x400000000000ull
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/* A macro to extract the major opcode from an instruction. */
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#define PPC_OP(i) (((i) >> 26) & 0x3f)
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/* A macro to determine if the instruction is a 2-byte VLE insn. */
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#define PPC_OP_SE_VLE(m) ((m) <= 0xffff)
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/* A macro to extract the major opcode from a VLE instruction. */
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#define VLE_OP(i,m) (((i) >> ((m) <= 0xffff ? 10 : 26)) & 0x3f)
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/* A macro to convert a VLE opcode to a VLE opcode segment. */
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#define VLE_OP_TO_SEG(i) ((i) >> 1)
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/* A macro to extract the extended opcode from a SPE2 instruction. */
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#define SPE2_XOP(i) ((i) & 0x7ff)
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/* A macro to convert a SPE2 extended opcode to a SPE2 xopcode segment. */
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#define SPE2_XOP_TO_SEG(i) ((i) >> 7)
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/* A macro to extract the prefix word from an 8-byte PREFIX instruction. */
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#define PPC_GET_PREFIX(i) (((i) >> 32) & ((1LL << 32) - 1))
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/* A macro to extract the suffix word from an 8-byte PREFIX instruction. */
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#define PPC_GET_SUFFIX(i) ((i) & ((1LL << 32) - 1))
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/* A macro to determine whether insn I is an 8-byte prefix instruction. */
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#define PPC_PREFIX_P(i) (PPC_OP (PPC_GET_PREFIX (i)) == 0x1)
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/* A macro used to hash 8-byte PREFIX instructions. */
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#define PPC_PREFIX_SEG(i) (PPC_OP (i) >> 1)
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/* The operands table is an array of struct powerpc_operand. */
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struct powerpc_operand
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{
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/* A bitmask of bits in the operand. */
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uint64_t bitm;
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/* The shift operation to be applied to the operand. No shift
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is made if this is zero. For positive values, the operand
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is shifted left by SHIFT. For negative values, the operand
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is shifted right by -SHIFT. Use PPC_OPSHIFT_INV to indicate
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that BITM and SHIFT cannot be used to determine where the
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operand goes in the insn. */
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int shift;
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/* Insertion function. This is used by the assembler. To insert an
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operand value into an instruction, check this field.
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If it is NULL, execute
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if (o->shift >= 0)
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i |= (op & o->bitm) << o->shift;
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else
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i |= (op & o->bitm) >> -o->shift;
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(i is the instruction which we are filling in, o is a pointer to
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this structure, and op is the operand value).
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If this field is not NULL, then simply call it with the
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instruction and the operand value. It will return the new value
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of the instruction. If the operand value is illegal, *ERRMSG
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will be set to a warning string (the operand will be inserted in
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any case). If the operand value is legal, *ERRMSG will be
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unchanged (most operands can accept any value). */
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uint64_t (*insert)
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(uint64_t instruction, int64_t op, ppc_cpu_t dialect, const char **errmsg);
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/* Extraction function. This is used by the disassembler. To
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extract this operand type from an instruction, check this field.
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If it is NULL, compute
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if (o->shift >= 0)
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op = (i >> o->shift) & o->bitm;
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else
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op = (i << -o->shift) & o->bitm;
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if ((o->flags & PPC_OPERAND_SIGNED) != 0)
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sign_extend (op);
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(i is the instruction, o is a pointer to this structure, and op
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is the result).
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If this field is not NULL, then simply call it with the
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instruction value. It will return the value of the operand.
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*INVALID will be set to one by the extraction function if this
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operand type can not be extracted from this operand (i.e., the
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instruction does not match). If the operand is valid, *INVALID
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will not be changed. *INVALID will always be non-negative when
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used to extract a field from an instruction.
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The extraction function is also called by both the assembler and
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disassembler if an operand is optional, in which case the
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function should return the default value of the operand.
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*INVALID is negative in this case, and is the negative count of
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omitted optional operands up to and including this operand. */
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int64_t (*extract) (uint64_t instruction, ppc_cpu_t dialect, int *invalid);
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/* One bit syntax flags. */
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unsigned long flags;
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};
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/* Elements in the table are retrieved by indexing with values from
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the operands field of the powerpc_opcodes table. */
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extern const struct powerpc_operand powerpc_operands[];
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extern const unsigned int num_powerpc_operands;
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/* Use with the shift field of a struct powerpc_operand to indicate
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that BITM and SHIFT cannot be used to determine where the operand
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goes in the insn. */
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#define PPC_OPSHIFT_INV (-1U << 31)
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/* Values defined for the flags field of a struct powerpc_operand.
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Keep the register bits low: They need to fit in an unsigned short. */
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/* This operand names a register. The disassembler uses this to print
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register names with a leading 'r'. */
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#define PPC_OPERAND_GPR (0x1)
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/* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */
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#define PPC_OPERAND_GPR_0 (0x2)
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/* This operand names a floating point register. The disassembler
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prints these with a leading 'f'. */
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#define PPC_OPERAND_FPR (0x4)
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/* This operand names a vector unit register. The disassembler
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prints these with a leading 'v'. */
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#define PPC_OPERAND_VR (0x8)
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/* This operand names a vector-scalar unit register. The disassembler
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prints these with a leading 'vs'. */
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#define PPC_OPERAND_VSR (0x10)
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/* This operand names a VSX accumulator. */
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#define PPC_OPERAND_ACC (0x20)
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/* This operand may use the symbolic names for the CR fields (even
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without -mregnames), which are
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lt 0 gt 1 eq 2 so 3 un 3
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cr0 0 cr1 1 cr2 2 cr3 3
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cr4 4 cr5 5 cr6 6 cr7 7
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These may be combined arithmetically, as in cr2*4+gt. These are
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only supported on the PowerPC, not the POWER. */
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#define PPC_OPERAND_CR_BIT (0x40)
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/* This is a CR FIELD that does not use symbolic names (unless
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-mregnames is in effect). If both PPC_OPERAND_CR_BIT and
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PPC_OPERAND_CR_REG are set then treat the field as per
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PPC_OPERAND_CR_BIT for assembly, but as if neither of these
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bits are set for disassembly. */
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#define PPC_OPERAND_CR_REG (0x80)
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/* This operand names a special purpose register. */
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#define PPC_OPERAND_SPR (0x100)
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/* This operand names a paired-single graphics quantization register. */
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#define PPC_OPERAND_GQR (0x200)
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/* This operand is a relative branch displacement. The disassembler
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prints these symbolically if possible. */
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#define PPC_OPERAND_RELATIVE (0x400)
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/* This operand is an absolute branch address. The disassembler
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prints these symbolically if possible. */
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#define PPC_OPERAND_ABSOLUTE (0x800)
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/* This operand takes signed values. */
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#define PPC_OPERAND_SIGNED (0x1000)
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/* This operand takes signed values, but also accepts a full positive
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range of values when running in 32 bit mode. That is, if bits is
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16, it takes any value from -0x8000 to 0xffff. In 64 bit mode,
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this flag is ignored. */
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#define PPC_OPERAND_SIGNOPT (0x2000)
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/* The next operand should be wrapped in parentheses rather than
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separated from this one by a comma. This is used for the load and
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store instructions which want their operands to look like
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reg,displacement(reg)
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*/
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#define PPC_OPERAND_PARENS (0x4000)
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/* This operand is for the DS field in a DS form instruction. */
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#define PPC_OPERAND_DS (0x8000)
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/* This operand is for the DQ field in a DQ form instruction. */
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#define PPC_OPERAND_DQ (0x10000)
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/* This operand should be regarded as a negative number for the
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purposes of overflow checking (i.e., the normal most negative
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number is disallowed and one more than the normal most positive
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number is allowed). This flag will only be set for a signed
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operand. */
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#define PPC_OPERAND_NEGATIVE (0x20000)
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/* Valid range of operand is 0..n rather than 0..n-1. */
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#define PPC_OPERAND_PLUS1 (0x40000)
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/* This operand is optional, and is zero if omitted. This is used for
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example, in the optional BF field in the comparison instructions. The
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assembler must count the number of operands remaining on the line,
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and the number of operands remaining for the opcode, and decide
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whether this operand is present or not. The disassembler should
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print this operand out only if it is not zero. */
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#define PPC_OPERAND_OPTIONAL (0x80000)
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/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
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is omitted, then for the next operand use this operand value plus
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1, ignoring the next operand field for the opcode. This wretched
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hack is needed because the Power rotate instructions can take
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either 4 or 5 operands. The disassembler should print this operand
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out regardless of the PPC_OPERAND_OPTIONAL field. */
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#define PPC_OPERAND_NEXT (0x100000)
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/* This flag is only used with PPC_OPERAND_OPTIONAL. The operand is
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only optional when generating 32-bit code. */
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#define PPC_OPERAND_OPTIONAL32 (0x400000)
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/* Xilinx APU and FSL related operands */
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#define PPC_OPERAND_FSL (0x800000)
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#define PPC_OPERAND_FCR (0x1000000)
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#define PPC_OPERAND_UDI (0x2000000)
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/* The POWER and PowerPC assemblers use a few macros. We keep them
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with the operands table for simplicity. The macro table is an
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array of struct powerpc_macro. */
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struct powerpc_macro
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{
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/* The macro name. */
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const char *name;
|
||
|
||
/* The number of operands the macro takes. */
|
||
unsigned int operands;
|
||
|
||
/* One bit flags for the opcode. These are used to indicate which
|
||
specific processors support the instructions. The values are the
|
||
same as those for the struct powerpc_opcode flags field. */
|
||
ppc_cpu_t flags;
|
||
|
||
/* A format string to turn the macro into a normal instruction.
|
||
Each %N in the string is replaced with operand number N (zero
|
||
based). */
|
||
const char *format;
|
||
};
|
||
|
||
extern const struct powerpc_macro powerpc_macros[];
|
||
extern const int powerpc_num_macros;
|
||
|
||
extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *);
|
||
|
||
static inline int64_t
|
||
ppc_optional_operand_value (const struct powerpc_operand *operand,
|
||
uint64_t insn,
|
||
ppc_cpu_t dialect,
|
||
int num_optional)
|
||
{
|
||
if (operand->extract)
|
||
return (*operand->extract) (insn, dialect, &num_optional);
|
||
return 0;
|
||
}
|
||
|
||
/* PowerPC VLE insns. */
|
||
#define E_OPCODE_MASK 0xfc00f800
|
||
|
||
/* Form I16L, uses 16A relocs. */
|
||
#define E_OR2I_INSN 0x7000C000
|
||
#define E_AND2I_DOT_INSN 0x7000C800
|
||
#define E_OR2IS_INSN 0x7000D000
|
||
#define E_LIS_INSN 0x7000E000
|
||
#define E_AND2IS_DOT_INSN 0x7000E800
|
||
|
||
/* Form I16A, uses 16D relocs. */
|
||
#define E_ADD2I_DOT_INSN 0x70008800
|
||
#define E_ADD2IS_INSN 0x70009000
|
||
#define E_CMP16I_INSN 0x70009800
|
||
#define E_MULL2I_INSN 0x7000A000
|
||
#define E_CMPL16I_INSN 0x7000A800
|
||
#define E_CMPH16I_INSN 0x7000B000
|
||
#define E_CMPHL16I_INSN 0x7000B800
|
||
|
||
#define E_LI_INSN 0x70000000
|
||
#define E_LI_MASK 0xfc008000
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* PPC_H */
|