diff options
Diffstat (limited to 'binutils-2.25/include/opcode/mips.h')
| -rw-r--r-- | binutils-2.25/include/opcode/mips.h | 210 |
1 files changed, 167 insertions, 43 deletions
diff --git a/binutils-2.25/include/opcode/mips.h b/binutils-2.25/include/opcode/mips.h index cb16d2a4..ef261674 100644 --- a/binutils-2.25/include/opcode/mips.h +++ b/binutils-2.25/include/opcode/mips.h @@ -1,7 +1,5 @@ /* mips.h. Mips opcode list for GDB, the GNU debugger. - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003, 2004, 2005, 2008, 2009, 2010, 2013 - Free Software Foundation, Inc. + Copyright (C) 1993-2014 Free Software Foundation, Inc. Contributed by Ralph Campbell and OSF Commented and modified by Ian Lance Taylor, Cygnus Support @@ -419,7 +417,17 @@ enum mips_operand_type { OP_IMM_INDEX, /* An index selected by a register, e.g. [$2]. */ - OP_REG_INDEX + OP_REG_INDEX, + + /* The operand spans two 5-bit register fields, both of which must be set to + the source register. */ + OP_SAME_RS_RT, + + /* Described by mips_prev_operand. */ + OP_CHECK_PREV, + + /* A register operand that must not be zero. */ + OP_NON_ZERO_REG }; /* Enumerates the types of MIPS register. */ @@ -555,6 +563,18 @@ struct mips_reg_operand const unsigned char *reg_map; }; +/* Describes an operand that which must match a condition based on the + previous operand. */ +struct mips_check_prev_operand +{ + struct mips_operand root; + + bfd_boolean greater_than_ok; + bfd_boolean less_than_ok; + bfd_boolean equal_ok; + bfd_boolean zero_ok; +}; + /* Describes an operand that encodes a pair of registers. */ struct mips_reg_pair_operand { @@ -910,10 +930,10 @@ struct mips_opcode "+k" 5-bit GPR at bit 6 "+l" 5-bit MSA control register at bit 6 "+n" 5-bit MSA control register at bit 11 - "+o" 5-bit vector element index at bit 16 - "+u" 4-bit vector element index at bit 16 - "+v" 3-bit vector element index at bit 16 - "+w" 2-bit vector element index at bit 16 + "+o" 4-bit vector element index at bit 16 + "+u" 3-bit vector element index at bit 16 + "+v" 2-bit vector element index at bit 16 + "+w" 1-bit vector element index at bit 16 "+T" (-512 .. 511) << 0 at bit 16 "+U" (-512 .. 511) << 1 at bit 16 "+V" (-512 .. 511) << 2 at bit 16 @@ -929,6 +949,28 @@ struct mips_opcode "+*" 5-bit register vector element index at bit 16 "+|" 8-bit mask at bit 16 + MIPS R6: + "+:" 11-bit mask at bit 0 + "+'" 26 bit PC relative branch target address + "+"" 21 bit PC relative branch target address + "+;" 5 bit same register in both OP_*_RS and OP_*_RT + "+I" 2bit unsigned bit position at bit 6 + "+O" 3bit unsigned bit position at bit 6 + "+R" must be program counter + "-a" (-262144 .. 262143) << 2 at bit 0 + "-b" (-131072 .. 131071) << 3 at bit 0 + "-d" Same as destination register GP + "-s" 5 bit source register specifier (OP_*_RS) not $0 + "-t" 5 bit source register specifier (OP_*_RT) not $0 + "-u" 5 bit source register specifier (OP_*_RT) greater than OP_*_RS + "-v" 5 bit source register specifier (OP_*_RT) not $0 not OP_*_RS + "-w" 5 bit source register specifier (OP_*_RT) less than or equal to OP_*_RS + "-x" 5 bit source register specifier (OP_*_RT) greater than or + equal to OP_*_RS + "-y" 5 bit source register specifier (OP_*_RT) not $0 less than OP_*_RS + "-A" symbolic offset (-262144 .. 262143) << 2 at bit 0 + "-B" symbolic offset (-131072 .. 131071) << 3 at bit 0 + Other: "()" parens surrounding optional value "," separates operands @@ -936,16 +978,21 @@ struct mips_opcode Characters used so far, for quick reference when adding more: "1234567890" - "%[]<>(),+:'@!#$*&\~" + "%[]<>(),+-:'@!#$*&\~" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklopqrstuvwxz" Extension character sequences used so far ("+" followed by the following), for quick reference when adding more: "1234567890" - "~!@#$%^&*|" - "ABCEFGHJKLMNPQSTUVWXZ" + "~!@#$%^&*|:'";" + "ABCEFGHIJKLMNOPQRSTUVWXZ" "abcdefghijklmnopqrstuvwxyz" + + Extension character sequences used so far ("-" followed by the + following), for quick reference when adding more: + "AB" + "abdstuvwxy" */ /* These are the bits which may be set in the pinfo field of an @@ -973,18 +1020,18 @@ struct mips_opcode #define INSN_TLB 0x00000200 /* Reads coprocessor register other than floating point register. */ #define INSN_COP 0x00000400 -/* Instruction loads value from memory, requiring delay. */ -#define INSN_LOAD_MEMORY_DELAY 0x00000800 -/* Instruction loads value from coprocessor, requiring delay. */ -#define INSN_LOAD_COPROC_DELAY 0x00001000 +/* Instruction loads value from memory. */ +#define INSN_LOAD_MEMORY 0x00000800 +/* Instruction loads value from coprocessor, (may require delay). */ +#define INSN_LOAD_COPROC 0x00001000 /* Instruction has unconditional branch delay slot. */ #define INSN_UNCOND_BRANCH_DELAY 0x00002000 /* Instruction has conditional branch delay slot. */ #define INSN_COND_BRANCH_DELAY 0x00004000 /* Conditional branch likely: if branch not taken, insn nullified. */ #define INSN_COND_BRANCH_LIKELY 0x00008000 -/* Moves to coprocessor register, requiring delay. */ -#define INSN_COPROC_MOVE_DELAY 0x00010000 +/* Moves to coprocessor register, (may require delay). */ +#define INSN_COPROC_MOVE 0x00010000 /* Loads coprocessor register from memory, requiring delay. */ #define INSN_COPROC_MEMORY_DELAY 0x00020000 /* Reads the HI register. */ @@ -1053,6 +1100,8 @@ struct mips_opcode #define INSN2_READ_GPR_16 0x00002000 /* Has an "\.x?y?z?w?" suffix based on mips_vu0_channel_mask. */ #define INSN2_VU0_CHANNEL_SUFFIX 0x00004000 +/* Instruction has a forbidden slot. */ +#define INSN2_FORBIDDEN_SLOT 0x00008000 /* Masks used to mark instructions to indicate which MIPS ISA level they were introduced in. INSN_ISA_MASK masks an enumeration that @@ -1060,7 +1109,7 @@ struct mips_opcode word constructed using these macros is a bitmask of the remaining INSN_* values below. */ -#define INSN_ISA_MASK 0x0000000ful +#define INSN_ISA_MASK 0x0000001ful /* We cannot start at zero due to ISA_UNKNOWN below. */ #define INSN_ISA1 1 @@ -1070,28 +1119,75 @@ struct mips_opcode #define INSN_ISA5 5 #define INSN_ISA32 6 #define INSN_ISA32R2 7 -#define INSN_ISA64 8 -#define INSN_ISA64R2 9 +#define INSN_ISA32R3 8 +#define INSN_ISA32R5 9 +#define INSN_ISA32R6 10 +#define INSN_ISA64 11 +#define INSN_ISA64R2 12 +#define INSN_ISA64R3 13 +#define INSN_ISA64R5 14 +#define INSN_ISA64R6 15 /* Below this point the INSN_* values correspond to combinations of ISAs. They are only for use in the opcodes table to indicate membership of a combination of ISAs that cannot be expressed using the usual inclusion ordering on the above INSN_* values. */ -#define INSN_ISA3_32 10 -#define INSN_ISA3_32R2 11 -#define INSN_ISA4_32 12 -#define INSN_ISA4_32R2 13 -#define INSN_ISA5_32R2 14 - -/* Given INSN_ISA* values X and Y, where X ranges over INSN_ISA1 through - INSN_ISA5_32R2 and Y ranges over INSN_ISA1 through INSN_ISA64R2, - this table describes whether at least one of the ISAs described by X - is/are implemented by ISA Y. (Think of Y as the ISA level supported by - a particular core and X as the ISA level(s) at which a certain instruction - is defined.) The ISA(s) described by X is/are implemented by Y iff - (mips_isa_table[(Y & INSN_ISA_MASK) - 1] >> ((X & INSN_ISA_MASK) - 1)) & 1 - is non-zero. */ -static const unsigned int mips_isa_table[] = - { 0x0001, 0x0003, 0x0607, 0x1e0f, 0x3e1f, 0x0a23, 0x3e63, 0x3ebf, 0x3fff }; +#define INSN_ISA3_32 16 +#define INSN_ISA3_32R2 17 +#define INSN_ISA4_32 18 +#define INSN_ISA4_32R2 19 +#define INSN_ISA5_32R2 20 + +/* The R6 definitions shown below state that they support all previous ISAs. + This is not actually true as some instructions are removed in R6. + The problem is that the removed instructions in R6 come from different + ISAs. One approach to solve this would be to describe in the membership + field of the opcode table the different ISAs an instruction belongs to. + This would require us to create a large amount of different ISA + combinations which is hard to manage. A cleaner approach (which is + implemented here) is to say that R6 is an extension of R5 and then to + deal with the removed instructions by adding instruction exclusions + for R6 in the opcode table. */ + +/* Bit INSN_ISA<X> - 1 of INSN_UPTO<Y> is set if ISA Y includes ISA X. */ + +#define ISAF(X) (1 << (INSN_ISA##X - 1)) +#define INSN_UPTO1 ISAF(1) +#define INSN_UPTO2 INSN_UPTO1 | ISAF(2) +#define INSN_UPTO3 INSN_UPTO2 | ISAF(3) | ISAF(3_32) | ISAF(3_32R2) +#define INSN_UPTO4 INSN_UPTO3 | ISAF(4) | ISAF(4_32) | ISAF(4_32R2) +#define INSN_UPTO5 INSN_UPTO4 | ISAF(5) | ISAF(5_32R2) +#define INSN_UPTO32 INSN_UPTO2 | ISAF(32) | ISAF(3_32) | ISAF(4_32) +#define INSN_UPTO32R2 INSN_UPTO32 | ISAF(32R2) \ + | ISAF(3_32R2) | ISAF(4_32R2) | ISAF(5_32R2) +#define INSN_UPTO32R3 INSN_UPTO32R2 | ISAF(32R3) +#define INSN_UPTO32R5 INSN_UPTO32R3 | ISAF(32R5) +#define INSN_UPTO32R6 INSN_UPTO32R5 | ISAF(32R6) +#define INSN_UPTO64 INSN_UPTO5 | ISAF(64) | ISAF(32) +#define INSN_UPTO64R2 INSN_UPTO64 | ISAF(64R2) | ISAF(32R2) +#define INSN_UPTO64R3 INSN_UPTO64R2 | ISAF(64R3) | ISAF(32R3) +#define INSN_UPTO64R5 INSN_UPTO64R3 | ISAF(64R5) | ISAF(32R5) +#define INSN_UPTO64R6 INSN_UPTO64R5 | ISAF(64R6) | ISAF(32R6) + +/* The same information in table form: bit INSN_ISA<X> - 1 of index + INSN_UPTO<Y> - 1 is set if ISA Y includes ISA X. */ +static const unsigned int mips_isa_table[] = { + INSN_UPTO1, + INSN_UPTO2, + INSN_UPTO3, + INSN_UPTO4, + INSN_UPTO5, + INSN_UPTO32, + INSN_UPTO32R2, + INSN_UPTO32R3, + INSN_UPTO32R5, + INSN_UPTO32R6, + INSN_UPTO64, + INSN_UPTO64R2, + INSN_UPTO64R3, + INSN_UPTO64R5, + INSN_UPTO64R6 +}; +#undef ISAF /* Masks used for Chip specific instructions. */ #define INSN_CHIP_MASK 0xc3ff0f20 @@ -1157,6 +1253,8 @@ static const unsigned int mips_isa_table[] = /* MSA Extension */ #define ASE_MSA 0x00000800 #define ASE_MSA64 0x00001000 +/* eXtended Physical Address (XPA) Extension. */ +#define ASE_XPA 0x00002000 /* MIPS ISA defines, use instead of hardcoding ISA level. */ @@ -1171,8 +1269,14 @@ static const unsigned int mips_isa_table[] = #define ISA_MIPS64 INSN_ISA64 #define ISA_MIPS32R2 INSN_ISA32R2 +#define ISA_MIPS32R3 INSN_ISA32R3 +#define ISA_MIPS32R5 INSN_ISA32R5 #define ISA_MIPS64R2 INSN_ISA64R2 +#define ISA_MIPS64R3 INSN_ISA64R3 +#define ISA_MIPS64R5 INSN_ISA64R5 +#define ISA_MIPS32R6 INSN_ISA32R6 +#define ISA_MIPS64R6 INSN_ISA64R6 /* CPU defines, use instead of hardcoding processor number. Keep this in sync with bfd/archures.c in order for machine selection to work. */ @@ -1203,9 +1307,15 @@ static const unsigned int mips_isa_table[] = #define CPU_MIPS16 16 #define CPU_MIPS32 32 #define CPU_MIPS32R2 33 +#define CPU_MIPS32R3 34 +#define CPU_MIPS32R5 36 +#define CPU_MIPS32R6 37 #define CPU_MIPS5 5 #define CPU_MIPS64 64 #define CPU_MIPS64R2 65 +#define CPU_MIPS64R3 66 +#define CPU_MIPS64R5 68 +#define CPU_MIPS64R6 69 #define CPU_SB1 12310201 /* octal 'SB', 01. */ #define CPU_LOONGSON_2E 3001 #define CPU_LOONGSON_2F 3002 @@ -1281,6 +1391,13 @@ cpu_is_member (int cpu, unsigned int mask) case CPU_XLR: return (mask & INSN_XLR) != 0; + case CPU_MIPS32R6: + return (mask & INSN_ISA_MASK) == INSN_ISA32R6; + + case CPU_MIPS64R6: + return ((mask & INSN_ISA_MASK) == INSN_ISA32R6) + || ((mask & INSN_ISA_MASK) == INSN_ISA64R6); + default: return FALSE; } @@ -2018,7 +2135,6 @@ extern const int bfd_mips16_num_opcodes; "y" 5-bit source 3 register for ALNV.PS (MICROMIPSOP_*_RS3) "z" must be zero register "C" 23-bit coprocessor function code (MICROMIPSOP_*_COPZ) - "B" 10-bit syscall/wait function code (MICROMIPSOP_*_CODE10) "K" 5-bit Hardware Register (RDHWR instruction) (MICROMIPSOP_*_RS) "+A" 5-bit INS/EXT/DINS/DEXT/DINSM/DEXTM position, which becomes @@ -2043,6 +2159,8 @@ extern const int bfd_mips16_num_opcodes; "+H" 5-bit DEXTU size, which becomes MSBD (MICROMIPSOP_*_EXTMSBD). Requires that "+A" or "+E" occur first to set position. Enforces: 32 < (pos+size) <= 64. + "+J" 10-bit SYSCALL/WAIT/SDBBP/HYPCALL function code + (MICROMIPSOP_*_CODE10) PC-relative addition (ADDIUPC) instruction: "mQ" 23-bit offset (-4194304 .. 4194303) << 2 (MICROMIPSOP_*_IMMQ) @@ -2093,10 +2211,10 @@ extern const int bfd_mips16_num_opcodes; "+k" 5-bit GPR at bit 6 "+l" 5-bit MSA control register at bit 6 "+n" 5-bit MSA control register at bit 11 - "+o" 5-bit vector element index at bit 16 - "+u" 4-bit vector element index at bit 16 - "+v" 3-bit vector element index at bit 16 - "+w" 2-bit vector element index at bit 16 + "+o" 4-bit vector element index at bit 16 + "+u" 3-bit vector element index at bit 16 + "+v" 2-bit vector element index at bit 16 + "+w" 1-bit vector element index at bit 16 "+x" 5-bit shift amount at bit 16 "+T" (-512 .. 511) << 0 at bit 16 "+U" (-512 .. 511) << 1 at bit 16 @@ -2121,7 +2239,7 @@ extern const int bfd_mips16_num_opcodes; Characters used so far, for quick reference when adding more: "12345678 0" - "<>(),+.@\^|~" + "<>(),+-.@\^|~" "ABCDEFGHI KLMN RST V " "abcd f hijklmnopqrstuvw yz" @@ -2129,7 +2247,7 @@ extern const int bfd_mips16_num_opcodes; following), for quick reference when adding more: "" "~!@#$%^&*|" - "ABCEFGHTUVW" + "ABCEFGHJTUVW" "dehijklnouvwx" Extension character sequences used so far ("m" followed by the @@ -2138,6 +2256,12 @@ extern const int bfd_mips16_num_opcodes; "" " BCDEFGHIJ LMNOPQ U WXYZ" " bcdefghij lmn pq st xyz" + + Extension character sequences used so far ("-" followed by the + following), for quick reference when adding more: + "" + "" + <none so far> */ extern const struct mips_operand *decode_micromips_operand (const char *); |