/* 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) 1993-2015 Free Software Foundation, Inc.
Contributed by Ralph Campbell and OSF
Commented and modified by Ian Lance Taylor, Cygnus Support
/* Described by mips_reg_operand. */
OP_REG,
+ /* Like OP_REG, but can be omitted if the register is the same as the
+ previous operand. */
+ OP_OPTIONAL_REG,
+
/* Described by mips_reg_pair_operand. */
OP_REG_PAIR,
/* Like OP_VU0_SUFFIX, but used when the operand's value has already
been set. Any suffix used here must match the previous value. */
- OP_VU0_MATCH_SUFFIX
+ OP_VU0_MATCH_SUFFIX,
+
+ /* An index selected by an integer, e.g. [1]. */
+ OP_IMM_INDEX,
+
+ /* An index selected by a register, e.g. [$2]. */
+ 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. */
OP_REG_R5900_I,
OP_REG_R5900_Q,
OP_REG_R5900_R,
- OP_REG_R5900_ACC
+ OP_REG_R5900_ACC,
+
+ /* MSA registers $w0-$w31. */
+ OP_REG_MSA,
+
+ /* MSA control registers $0-$31. */
+ OP_REG_MSA_CTRL
};
/* Base class for all operands. */
const unsigned char *reg_map;
};
+/* Describes an operand that which must match a condition based on the
+ previous operand. */
+struct mips_check_prev_operand
+{
+ struct mips_operand root;
+
+ bfd_boolean greater_than_ok;
+ bfd_boolean less_than_ok;
+ bfd_boolean equal_ok;
+ bfd_boolean zero_ok;
+};
+
/* Describes an operand that encodes a pair of registers. */
struct mips_reg_pair_operand
{
unsigned int flip_isa_bit : 1;
};
+/* Return true if the assembly syntax allows OPERAND to be omitted. */
+
+static inline bfd_boolean
+mips_optional_operand_p (const struct mips_operand *operand)
+{
+ return (operand->type == OP_OPTIONAL_REG
+ || operand->type == OP_REPEAT_PREV_REG);
+}
+
/* Return a version of INSN in which the field specified by OPERAND
has value UVAL. */
Macro instructions:
"A" General 32 bit expression
"I" 32 bit immediate (value placed in imm_expr).
- "+I" 32 bit immediate (value placed in imm2_expr).
"F" 64 bit floating point constant in .rdata
"L" 64 bit floating point constant in .lit8
"f" 32 bit floating point constant
Enhanced VA Scheme:
"+j" 9-bit signed offset in bit 7 (OP_*_EVAOFFSET)
+ MSA Extension:
+ "+d" 5-bit MSA register (FD)
+ "+e" 5-bit MSA register (FS)
+ "+h" 5-bit MSA register (FT)
+ "+k" 5-bit GPR at bit 6
+ "+l" 5-bit MSA control register at bit 6
+ "+n" 5-bit MSA control register at bit 11
+ "+o" 4-bit vector element index at bit 16
+ "+u" 3-bit vector element index at bit 16
+ "+v" 2-bit vector element index at bit 16
+ "+w" 1-bit vector element index at bit 16
+ "+T" (-512 .. 511) << 0 at bit 16
+ "+U" (-512 .. 511) << 1 at bit 16
+ "+V" (-512 .. 511) << 2 at bit 16
+ "+W" (-512 .. 511) << 3 at bit 16
+ "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+ "+!" 3 bit unsigned bit position at bit 16
+ "+@" 4 bit unsigned bit position at bit 16
+ "+#" 6 bit unsigned bit position at bit 16
+ "+$" 5 bit unsigned immediate at bit 16
+ "+%" 5 bit signed immediate at bit 16
+ "+^" 10 bit signed immediate at bit 11
+ "+&" 0 vector element index
+ "+*" 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 $0 less than OP_*_RS
+ "-A" symbolic offset (-262144 .. 262143) << 2 at bit 0
+ "-B" symbolic offset (-131072 .. 131071) << 3 at bit 0
+
Other:
"()" parens surrounding optional value
"," separates operands
Characters used so far, for quick reference when adding more:
"1234567890"
- "%[]<>(),+:'@!#$*&\~"
+ "%[]<>(),+-:'@!#$*&\~"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklopqrstuvwxz"
Extension character sequences used so far ("+" followed by the
following), for quick reference when adding more:
"1234567890"
- "ABCEFGHIJKLMNPQSXZ"
- "abcfgijmpqrstxyz"
+ "~!@#$%^&*|:'";"
+ "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
#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. */
#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
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
#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
#define INSN_OCTEON 0x00000800
#define INSN_OCTEONP 0x00000200
#define INSN_OCTEON2 0x00000100
+#define INSN_OCTEON3 0x00000040
/* MIPS R5900 instruction */
#define INSN_5900 0x00004000
/* Virtualization ASE */
#define ASE_VIRT 0x00000200
#define ASE_VIRT64 0x00000400
+/* 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. */
#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. */
#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
#define CPU_OCTEON 6501
#define CPU_OCTEONP 6601
#define CPU_OCTEON2 6502
+#define CPU_OCTEON3 6503
#define CPU_XLR 887682 /* decimal 'XLR' */
/* Return true if the given CPU is included in INSN_* mask MASK. */
case CPU_OCTEON2:
return (mask & INSN_OCTEON2) != 0;
+ case CPU_OCTEON3:
+ return (mask & INSN_OCTEON3) != 0;
+
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;
}
M_DDIV_3I,
M_DDIVU_3,
M_DDIVU_3I,
- M_DEXT,
- M_DINS,
M_DIV_3,
M_DIV_3I,
M_DIVU_3,
"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
"+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)
Macro instructions:
"A" general 32 bit expression
"I" 32-bit immediate (value placed in imm_expr).
- "+I" 32-bit immediate (value placed in imm2_expr).
"F" 64-bit floating point constant in .rdata
"L" 64-bit floating point constant in .lit8
"f" 32-bit floating point constant
microMIPS Enhanced VA Scheme:
"+j" 9-bit signed offset in bit 0 (OP_*_EVAOFFSET)
+ MSA Extension:
+ "+d" 5-bit MSA register (FD)
+ "+e" 5-bit MSA register (FS)
+ "+h" 5-bit MSA register (FT)
+ "+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" 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
+ "+V" (-512 .. 511) << 2 at bit 16
+ "+W" (-512 .. 511) << 3 at bit 16
+ "+~" 2 bit LSA/DLSA shift amount from 1 to 4 at bit 6
+ "+!" 3 bit unsigned bit position at bit 16
+ "+@" 4 bit unsigned bit position at bit 16
+ "+#" 6 bit unsigned bit position at bit 16
+ "+$" 5 bit unsigned immediate at bit 16
+ "+%" 5 bit signed immediate at bit 16
+ "+^" 10 bit signed immediate at bit 11
+ "+&" 0 vector element index
+ "+*" 5-bit register vector element index at bit 16
+ "+|" 8-bit mask at bit 16
+
Other:
"()" parens surrounding optional value
"," separates operands
Characters used so far, for quick reference when adding more:
"12345678 0"
- "<>(),+.@\^|~"
+ "<>(),+-.@\^|~"
"ABCDEFGHI KLMN RST V "
"abcd f hijklmnopqrstuvw yz"
Extension character sequences used so far ("+" followed by the
following), for quick reference when adding more:
""
- ""
- "ABCEFGHI"
- "ij"
+ "~!@#$%^&*|"
+ "ABCEFGHJTUVW"
+ "dehijklnouvwx"
Extension character sequences used so far ("m" followed by the
following), for quick reference when adding more:
""
" 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 *);
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