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| -rw-r--r-- | arch/powerpc/xmon/ppc.h | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/arch/powerpc/xmon/ppc.h b/arch/powerpc/xmon/ppc.h new file mode 100644 index 000000000..d00f33dcf --- /dev/null +++ b/arch/powerpc/xmon/ppc.h @@ -0,0 +1,452 @@ +/* ppc.h -- Header file for PowerPC opcode table + Copyright (C) 1994-2016 Free Software Foundation, Inc. + Written by Ian Lance Taylor, Cygnus Support + +This file is part of GDB, GAS, and the GNU binutils. + +GDB, GAS, and the GNU binutils are free software; you can redistribute +them and/or modify them 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, GAS, and the GNU binutils are distributed in the hope that they +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 this file; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef PPC_H +#define PPC_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef uint64_t ppc_cpu_t; + +/* The opcode table is an array of struct powerpc_opcode. */ + +struct powerpc_opcode +{ + /* The opcode name. */ + const char *name; + + /* The opcode itself. Those bits which will be filled in with + operands are zeroes. */ + unsigned long opcode; + + /* The opcode mask. This is used by the disassembler. This is a + mask containing ones indicating those bits which must match the + opcode field, and zeroes indicating those bits which need not + match (and are presumably filled in by operands). */ + unsigned long mask; + + /* One bit flags for the opcode. These are used to indicate which + specific processors support the instructions. The defined values + are listed below. */ + ppc_cpu_t flags; + + /* One bit flags for the opcode. These are used to indicate which + specific processors no longer support the instructions. The defined + values are listed below. */ + ppc_cpu_t deprecated; + + /* An array of operand codes. Each code is an index into the + operand table. They appear in the order which the operands must + appear in assembly code, and are terminated by a zero. */ + unsigned char operands[8]; +}; + +/* The table itself is sorted by major opcode number, and is otherwise + in the order in which the disassembler should consider + instructions. */ +extern const struct powerpc_opcode powerpc_opcodes[]; +extern const int powerpc_num_opcodes; +extern const struct powerpc_opcode vle_opcodes[]; +extern const int vle_num_opcodes; + +/* Values defined for the flags field of a struct powerpc_opcode. */ + +/* Opcode is defined for the PowerPC architecture. */ +#define PPC_OPCODE_PPC 1 + +/* Opcode is defined for the POWER (RS/6000) architecture. */ +#define PPC_OPCODE_POWER 2 + +/* Opcode is defined for the POWER2 (Rios 2) architecture. */ +#define PPC_OPCODE_POWER2 4 + +/* Opcode is supported by the Motorola PowerPC 601 processor. The 601 + is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions, + but it also supports many additional POWER instructions. */ +#define PPC_OPCODE_601 8 + +/* Opcode is supported in both the Power and PowerPC architectures + (ie, compiler's -mcpu=common or assembler's -mcom). More than just + the intersection of PPC_OPCODE_PPC with the union of PPC_OPCODE_POWER + and PPC_OPCODE_POWER2 because many instructions changed mnemonics + between POWER and POWERPC. */ +#define PPC_OPCODE_COMMON 0x10 + +/* Opcode is supported for any Power or PowerPC platform (this is + for the assembler's -many option, and it eliminates duplicates). */ +#define PPC_OPCODE_ANY 0x20 + +/* Opcode is only defined on 64 bit architectures. */ +#define PPC_OPCODE_64 0x40 + +/* Opcode is supported as part of the 64-bit bridge. */ +#define PPC_OPCODE_64_BRIDGE 0x80 + +/* Opcode is supported by Altivec Vector Unit */ +#define PPC_OPCODE_ALTIVEC 0x100 + +/* Opcode is supported by PowerPC 403 processor. */ +#define PPC_OPCODE_403 0x200 + +/* Opcode is supported by PowerPC BookE processor. */ +#define PPC_OPCODE_BOOKE 0x400 + +/* Opcode is supported by PowerPC 440 processor. */ +#define PPC_OPCODE_440 0x800 + +/* Opcode is only supported by Power4 architecture. */ +#define PPC_OPCODE_POWER4 0x1000 + +/* Opcode is only supported by Power7 architecture. */ +#define PPC_OPCODE_POWER7 0x2000 + +/* Opcode is only supported by e500x2 Core. */ +#define PPC_OPCODE_SPE 0x4000 + +/* Opcode is supported by e500x2 Integer select APU. */ +#define PPC_OPCODE_ISEL 0x8000 + +/* Opcode is an e500 SPE floating point instruction. */ +#define PPC_OPCODE_EFS 0x10000 + +/* Opcode is supported by branch locking APU. */ +#define PPC_OPCODE_BRLOCK 0x20000 + +/* Opcode is supported by performance monitor APU. */ +#define PPC_OPCODE_PMR 0x40000 + +/* Opcode is supported by cache locking APU. */ +#define PPC_OPCODE_CACHELCK 0x80000 + +/* Opcode is supported by machine check APU. */ +#define PPC_OPCODE_RFMCI 0x100000 + +/* Opcode is only supported by Power5 architecture. */ +#define PPC_OPCODE_POWER5 0x200000 + +/* Opcode is supported by PowerPC e300 family. */ +#define PPC_OPCODE_E300 0x400000 + +/* Opcode is only supported by Power6 architecture. */ +#define PPC_OPCODE_POWER6 0x800000 + +/* Opcode is only supported by PowerPC Cell family. */ +#define PPC_OPCODE_CELL 0x1000000 + +/* Opcode is supported by CPUs with paired singles support. */ +#define PPC_OPCODE_PPCPS 0x2000000 + +/* Opcode is supported by Power E500MC */ +#define PPC_OPCODE_E500MC 0x4000000 + +/* Opcode is supported by PowerPC 405 processor. */ +#define PPC_OPCODE_405 0x8000000 + +/* Opcode is supported by Vector-Scalar (VSX) Unit */ +#define PPC_OPCODE_VSX 0x10000000 + +/* Opcode is supported by A2. */ +#define PPC_OPCODE_A2 0x20000000 + +/* Opcode is supported by PowerPC 476 processor. */ +#define PPC_OPCODE_476 0x40000000 + +/* Opcode is supported by AppliedMicro Titan core */ +#define PPC_OPCODE_TITAN 0x80000000 + +/* Opcode which is supported by the e500 family */ +#define PPC_OPCODE_E500 0x100000000ull + +/* Opcode is supported by Extended Altivec Vector Unit */ +#define PPC_OPCODE_ALTIVEC2 0x200000000ull + +/* Opcode is supported by Power E6500 */ +#define PPC_OPCODE_E6500 0x400000000ull + +/* Opcode is supported by Thread management APU */ +#define PPC_OPCODE_TMR 0x800000000ull + +/* Opcode which is supported by the VLE extension. */ +#define PPC_OPCODE_VLE 0x1000000000ull + +/* Opcode is only supported by Power8 architecture. */ +#define PPC_OPCODE_POWER8 0x2000000000ull + +/* Opcode which is supported by the Hardware Transactional Memory extension. */ +/* Currently, this is the same as the POWER8 mask. If another cpu comes out + that isn't a superset of POWER8, we can define this to its own mask. */ +#define PPC_OPCODE_HTM PPC_OPCODE_POWER8 + +/* Opcode is supported by ppc750cl. */ +#define PPC_OPCODE_750 0x4000000000ull + +/* Opcode is supported by ppc7450. */ +#define PPC_OPCODE_7450 0x8000000000ull + +/* Opcode is supported by ppc821/850/860. */ +#define PPC_OPCODE_860 0x10000000000ull + +/* Opcode is only supported by Power9 architecture. */ +#define PPC_OPCODE_POWER9 0x20000000000ull + +/* Opcode is supported by Vector-Scalar (VSX) Unit from ISA 2.08. */ +#define PPC_OPCODE_VSX3 0x40000000000ull + + /* Opcode is supported by e200z4. */ +#define PPC_OPCODE_E200Z4 0x80000000000ull + +/* A macro to extract the major opcode from an instruction. */ +#define PPC_OP(i) (((i) >> 26) & 0x3f) + +/* A macro to determine if the instruction is a 2-byte VLE insn. */ +#define PPC_OP_SE_VLE(m) ((m) <= 0xffff) + +/* A macro to extract the major opcode from a VLE instruction. */ +#define VLE_OP(i,m) (((i) >> ((m) <= 0xffff ? 10 : 26)) & 0x3f) + +/* A macro to convert a VLE opcode to a VLE opcode segment. */ +#define VLE_OP_TO_SEG(i) ((i) >> 1) + +/* The operands table is an array of struct powerpc_operand. */ + +struct powerpc_operand +{ + /* A bitmask of bits in the operand. */ + unsigned int bitm; + + /* The shift operation to be applied to the operand. No shift + is made if this is zero. For positive values, the operand + is shifted left by SHIFT. For negative values, the operand + is shifted right by -SHIFT. Use PPC_OPSHIFT_INV to indicate + that BITM and SHIFT cannot be used to determine where the + operand goes in the insn. */ + int shift; + + /* Insertion function. This is used by the assembler. To insert an + operand value into an instruction, check this field. + + If it is NULL, execute + if (o->shift >= 0) + i |= (op & o->bitm) << o->shift; + else + i |= (op & o->bitm) >> -o->shift; + (i is the instruction which we are filling in, o is a pointer to + this structure, and op is the operand value). + + If this field is not NULL, then simply call it with the + instruction and the operand value. It will return the new value + of the instruction. If the ERRMSG argument is not NULL, then if + the operand value is illegal, *ERRMSG will be set to a warning + string (the operand will be inserted in any case). If the + operand value is legal, *ERRMSG will be unchanged (most operands + can accept any value). */ + unsigned long (*insert) + (unsigned long instruction, long op, ppc_cpu_t dialect, const char **errmsg); + + /* Extraction function. This is used by the disassembler. To + extract this operand type from an instruction, check this field. + + If it is NULL, compute + if (o->shift >= 0) + op = (i >> o->shift) & o->bitm; + else + op = (i << -o->shift) & o->bitm; + if ((o->flags & PPC_OPERAND_SIGNED) != 0) + sign_extend (op); + (i is the instruction, o is a pointer to this structure, and op + is the result). + + If this field is not NULL, then simply call it with the + instruction value. It will return the value of the operand. If + the INVALID argument is not NULL, *INVALID will be set to + non-zero if this operand type can not actually be extracted from + this operand (i.e., the instruction does not match). If the + operand is valid, *INVALID will not be changed. */ + long (*extract) (unsigned long instruction, ppc_cpu_t dialect, int *invalid); + + /* One bit syntax flags. */ + unsigned long flags; +}; + +/* Elements in the table are retrieved by indexing with values from + the operands field of the powerpc_opcodes table. */ + +extern const struct powerpc_operand powerpc_operands[]; +extern const unsigned int num_powerpc_operands; + +/* Use with the shift field of a struct powerpc_operand to indicate + that BITM and SHIFT cannot be used to determine where the operand + goes in the insn. */ +#define PPC_OPSHIFT_INV (-1U << 31) + +/* Values defined for the flags field of a struct powerpc_operand. */ + +/* This operand takes signed values. */ +#define PPC_OPERAND_SIGNED (0x1) + +/* This operand takes signed values, but also accepts a full positive + range of values when running in 32 bit mode. That is, if bits is + 16, it takes any value from -0x8000 to 0xffff. In 64 bit mode, + this flag is ignored. */ +#define PPC_OPERAND_SIGNOPT (0x2) + +/* This operand does not actually exist in the assembler input. This + is used to support extended mnemonics such as mr, for which two + operands fields are identical. The assembler should call the + insert function with any op value. The disassembler should call + the extract function, ignore the return value, and check the value + placed in the valid argument. */ +#define PPC_OPERAND_FAKE (0x4) + +/* The next operand should be wrapped in parentheses rather than + separated from this one by a comma. This is used for the load and + store instructions which want their operands to look like + reg,displacement(reg) + */ +#define PPC_OPERAND_PARENS (0x8) + +/* This operand may use the symbolic names for the CR fields, which + are + lt 0 gt 1 eq 2 so 3 un 3 + cr0 0 cr1 1 cr2 2 cr3 3 + cr4 4 cr5 5 cr6 6 cr7 7 + These may be combined arithmetically, as in cr2*4+gt. These are + only supported on the PowerPC, not the POWER. */ +#define PPC_OPERAND_CR_BIT (0x10) + +/* This operand names a register. The disassembler uses this to print + register names with a leading 'r'. */ +#define PPC_OPERAND_GPR (0x20) + +/* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */ +#define PPC_OPERAND_GPR_0 (0x40) + +/* This operand names a floating point register. The disassembler + prints these with a leading 'f'. */ +#define PPC_OPERAND_FPR (0x80) + +/* This operand is a relative branch displacement. The disassembler + prints these symbolically if possible. */ +#define PPC_OPERAND_RELATIVE (0x100) + +/* This operand is an absolute branch address. The disassembler + prints these symbolically if possible. */ +#define PPC_OPERAND_ABSOLUTE (0x200) + +/* This operand is optional, and is zero if omitted. This is used for + example, in the optional BF field in the comparison instructions. The + assembler must count the number of operands remaining on the line, + and the number of operands remaining for the opcode, and decide + whether this operand is present or not. The disassembler should + print this operand out only if it is not zero. */ +#define PPC_OPERAND_OPTIONAL (0x400) + +/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand + is omitted, then for the next operand use this operand value plus + 1, ignoring the next operand field for the opcode. This wretched + hack is needed because the Power rotate instructions can take + either 4 or 5 operands. The disassembler should print this operand + out regardless of the PPC_OPERAND_OPTIONAL field. */ +#define PPC_OPERAND_NEXT (0x800) + +/* This operand should be regarded as a negative number for the + purposes of overflow checking (i.e., the normal most negative + number is disallowed and one more than the normal most positive + number is allowed). This flag will only be set for a signed + operand. */ +#define PPC_OPERAND_NEGATIVE (0x1000) + +/* This operand names a vector unit register. The disassembler + prints these with a leading 'v'. */ +#define PPC_OPERAND_VR (0x2000) + +/* This operand is for the DS field in a DS form instruction. */ +#define PPC_OPERAND_DS (0x4000) + +/* This operand is for the DQ field in a DQ form instruction. */ +#define PPC_OPERAND_DQ (0x8000) + +/* Valid range of operand is 0..n rather than 0..n-1. */ +#define PPC_OPERAND_PLUS1 (0x10000) + +/* Xilinx APU and FSL related operands */ +#define PPC_OPERAND_FSL (0x20000) +#define PPC_OPERAND_FCR (0x40000) +#define PPC_OPERAND_UDI (0x80000) + +/* This operand names a vector-scalar unit register. The disassembler + prints these with a leading 'vs'. */ +#define PPC_OPERAND_VSR (0x100000) + +/* This is a CR FIELD that does not use symbolic names. */ +#define PPC_OPERAND_CR_REG (0x200000) + +/* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand + is omitted, then the value it should use for the operand is stored + in the SHIFT field of the immediatly following operand field. */ +#define PPC_OPERAND_OPTIONAL_VALUE (0x400000) + +/* This flag is only used with PPC_OPERAND_OPTIONAL. The operand is + only optional when generating 32-bit code. */ +#define PPC_OPERAND_OPTIONAL32 (0x800000) + +/* The POWER and PowerPC assemblers use a few macros. We keep them + with the operands table for simplicity. The macro table is an + array of struct powerpc_macro. */ + +struct powerpc_macro +{ + /* The macro name. */ + 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 long +ppc_optional_operand_value (const struct powerpc_operand *operand) +{ + if ((operand->flags & PPC_OPERAND_OPTIONAL_VALUE) != 0) + return (operand+1)->shift; + return 0; +} + +#ifdef __cplusplus +} +#endif + +#endif /* PPC_H */ |