/* mips.h. Mips opcode list for GDB, the GNU debugger.
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
Contributed by Ralph Campbell and OSF
Commented and modified by Ian Lance Taylor, Cygnus Support
#define OP_MASK_SEL 0x7 /* The sel field of mfcZ and mtcZ. */
#define OP_SH_CODE19 6 /* 19 bit wait code. */
#define OP_MASK_CODE19 0x7ffff
+#define OP_SH_ALN 21
+#define OP_MASK_ALN 0x7
+#define OP_SH_VSEL 21
+#define OP_MASK_VSEL 0x1f
+#define OP_MASK_VECBYTE 0x7 /* Selector field is really 4 bits,
+ but 0x8-0xf don't select bytes. */
+#define OP_SH_VECBYTE 22
+#define OP_MASK_VECALIGN 0x7 /* Vector byte-align (alni.ob) op. */
+#define OP_SH_VECALIGN 21
+#define OP_MASK_INSMSB 0x1f /* "ins" MSB. */
+#define OP_SH_INSMSB 11
+#define OP_MASK_EXTMSBD 0x1f /* "ext" MSBD. */
+#define OP_SH_EXTMSBD 11
+
+#define OP_OP_COP0 0x10
+#define OP_OP_COP1 0x11
+#define OP_OP_COP2 0x12
+#define OP_OP_COP3 0x13
+#define OP_OP_LWC1 0x31
+#define OP_OP_LWC2 0x32
+#define OP_OP_LWC3 0x33 /* a.k.a. pref */
+#define OP_OP_LDC1 0x35
+#define OP_OP_LDC2 0x36
+#define OP_OP_LDC3 0x37 /* a.k.a. ld */
+#define OP_OP_SWC1 0x39
+#define OP_OP_SWC2 0x3a
+#define OP_OP_SWC3 0x3b
+#define OP_OP_SDC1 0x3d
+#define OP_OP_SDC2 0x3e
+#define OP_OP_SDC3 0x3f /* a.k.a. sd */
+
+/* Values in the 'VSEL' field. */
+#define MDMX_FMTSEL_IMM_QH 0x1d
+#define MDMX_FMTSEL_IMM_OB 0x1e
+#define MDMX_FMTSEL_VEC_QH 0x15
+#define MDMX_FMTSEL_VEC_OB 0x16
/* This structure holds information for a particular instruction. */
unsigned long membership;
};
-/* These are the characters which may appears in the args field of an
+/* These are the characters which may appear in the args field of an
instruction. They appear in the order in which the fields appear
when the instruction is used. Commas and parentheses in the args
string are ignored when assembling, and written into the output
"i" 16 bit unsigned immediate (OP_*_IMMEDIATE)
"j" 16 bit signed immediate (OP_*_DELTA)
"k" 5 bit cache opcode in target register position (OP_*_CACHE)
+ Also used for immediate operands in vr5400 vector insns.
"o" 16 bit signed offset (OP_*_DELTA)
"p" 16 bit PC relative branch target address (OP_*_DELTA)
"q" 10 bit extra breakpoint code (OP_*_CODE2)
"J" 19 bit wait function code (OP_*_CODE19)
"x" accept and ignore register name
"z" must be zero register
+ "K" 5 bit Hardware Register (rdhwr instruction) (OP_*_RD)
+ "+A" 5 bit ins/ext position, which becomes LSB (OP_*_SHAMT).
+ Enforces: 0 <= pos < 32.
+ "+B" 5 bit ins size, which becomes MSB (OP_*_INSMSB).
+ Requires that "+A" occur first to set position.
+ Enforces: 0 < (pos+size) <= 32.
+ "+C" 5 bit ext size, which becomes MSBD (OP_*_EXTMSBD).
+ Requires that "+A" occur first to set position.
+ Enforces: 0 < (pos+size) <= 32.
Floating point instructions:
"D" 5 bit destination register (OP_*_FD)
Coprocessor instructions:
"E" 5 bit target register (OP_*_RT)
"G" 5 bit destination register (OP_*_RD)
+ "H" 3 bit sel field for (d)mtc* and (d)mfc* (OP_*_SEL)
"P" 5 bit performance-monitor register (OP_*_PERFREG)
- "H" 3 bit sel field (OP_*_SEL)
+ "e" 5 bit vector register byte specifier (OP_*_VECBYTE)
+ "%" 3 bit immediate vr5400 vector alignment operand (OP_*_VECALIGN)
+ see also "k" above
+ "+D" Combined destination register ("G") and sel ("H") for CP0 ops,
+ for pretty-printing in disassembly only.
Macro instructions:
"A" General 32 bit expression
"f" 32 bit floating point constant
"l" 32 bit floating point constant in .lit4
+ MDMX instruction operands (note that while these use the FP register
+ fields, they accept both $fN and $vN names for the registers):
+ "O" MDMX alignment offset (OP_*_ALN)
+ "Q" MDMX vector/scalar/immediate source (OP_*_VSEL and OP_*_FT)
+ "X" MDMX destination register (OP_*_FD)
+ "Y" MDMX source register (OP_*_FS)
+ "Z" MDMX source register (OP_*_FT)
+
Other:
"()" parens surrounding optional value
"," separates operands
+ "[]" brackets around index for vector-op scalar operand specifier (vr5400)
+ "+" Start of extension sequence.
Characters used so far, for quick reference when adding more:
- "<>(),"
- "ABCDEFGHIJLMNPRSTUVW"
- "abcdfhijklopqrstuvwxz"
+ "%[]<>(),+"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefhijklopqrstuvwxz"
+
+ Extension character sequences used so far ("+" followed by the
+ following), for quick reference when adding more:
+ "ABCD"
*/
/* These are the bits which may be set in the pinfo field of an
#define INSN_MULT 0x40000000
/* Instruction synchronize shared memory. */
#define INSN_SYNC 0x80000000
+/* Instruction reads MDMX accumulator. XXX FIXME: No bits left! */
+#define INSN_READ_MDMX_ACC 0
+/* Instruction writes MDMX accumulator. XXX FIXME: No bits left! */
+#define INSN_WRITE_MDMX_ACC 0
/* Instruction is actually a macro. It should be ignored by the
disassembler, and requires special treatment by the assembler. */
/* Masks used to mark instructions to indicate which MIPS ISA level
they were introduced in. ISAs, as defined below, are logical
- ORs of these bits, indicatingthat they support the instructions
+ ORs of these bits, indicating that they support the instructions
defined at the given level. */
#define INSN_ISA_MASK 0x00000fff
-#define INSN_ISA1 0x00000010
-#define INSN_ISA2 0x00000020
-#define INSN_ISA3 0x00000040
-#define INSN_ISA4 0x00000080
-#define INSN_ISA5 0x00000100
-#define INSN_ISA32 0x00000200
-#define INSN_ISA64 0x00000400
+#define INSN_ISA1 0x00000001
+#define INSN_ISA2 0x00000002
+#define INSN_ISA3 0x00000004
+#define INSN_ISA4 0x00000008
+#define INSN_ISA5 0x00000010
+#define INSN_ISA32 0x00000020
+#define INSN_ISA64 0x00000040
+#define INSN_ISA32R2 0x00000080
+
+/* Masks used for MIPS-defined ASEs. */
+#define INSN_ASE_MASK 0x0000f000
+
+/* MIPS 16 ASE */
+#define INSN_MIPS16 0x00002000
+/* MIPS-3D ASE */
+#define INSN_MIPS3D 0x00004000
+/* MDMX ASE */
+#define INSN_MDMX 0x00008000
/* Chip specific instructions. These are bitmasks. */
#define INSN_3900 0x00080000
/* MIPS R10000 instruction. */
#define INSN_10000 0x00100000
+/* Broadcom SB-1 instruction. */
+#define INSN_SB1 0x00200000
+/* NEC VR4111/VR4181 instruction. */
+#define INSN_4111 0x00400000
+/* NEC VR4120 instruction. */
+#define INSN_4120 0x00800000
+/* NEC VR5400 instruction. */
+#define INSN_5400 0x01000000
+/* NEC VR5500 instruction. */
+#define INSN_5500 0x02000000
/* MIPS ISA defines, use instead of hardcoding ISA level. */
#define ISA_MIPS3 (ISA_MIPS2 | INSN_ISA3)
#define ISA_MIPS4 (ISA_MIPS3 | INSN_ISA4)
#define ISA_MIPS5 (ISA_MIPS4 | INSN_ISA5)
+
#define ISA_MIPS32 (ISA_MIPS2 | INSN_ISA32)
#define ISA_MIPS64 (ISA_MIPS5 | INSN_ISA32 | INSN_ISA64)
+#define ISA_MIPS32R2 (ISA_MIPS32 | INSN_ISA32R2)
+
/* 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_UNKNOWN 0 /* Gas internal use. */
-#define CPU_R2000 2000
#define CPU_R3000 3000
#define CPU_R3900 3900
#define CPU_R4000 4000
#define CPU_R4010 4010
#define CPU_VR4100 4100
#define CPU_R4111 4111
+#define CPU_VR4120 4120
#define CPU_R4300 4300
#define CPU_R4400 4400
#define CPU_R4600 4600
#define CPU_R4650 4650
#define CPU_R5000 5000
+#define CPU_VR5400 5400
+#define CPU_VR5500 5500
#define CPU_R6000 6000
#define CPU_R8000 8000
#define CPU_R10000 10000
#define CPU_R12000 12000
#define CPU_MIPS16 16
#define CPU_MIPS32 32
-#define CPU_MIPS32_4K 3204113 /* 32, 04, octal 'K'. */
+#define CPU_MIPS32R2 33
#define CPU_MIPS5 5
#define CPU_MIPS64 64
#define CPU_SB1 12310201 /* octal 'SB', 01. */
-/* Test for membership in an ISA including chip specific ISAs.
- INSN is pointer to an element of the opcode table; ISA is the
- specified ISA to test against; and CPU is the CPU specific ISA
- to test, or zero if no CPU specific ISA test is desired. */
+/* Test for membership in an ISA including chip specific ISAs. INSN
+ is pointer to an element of the opcode table; ISA is the specified
+ ISA/ASE bitmask to test against; and CPU is the CPU specific ISA to
+ test, or zero if no CPU specific ISA test is desired. */
#define OPCODE_IS_MEMBER(insn, isa, cpu) \
(((insn)->membership & isa) != 0 \
|| (cpu == CPU_R4650 && ((insn)->membership & INSN_4650) != 0) \
|| (cpu == CPU_R4010 && ((insn)->membership & INSN_4010) != 0) \
- || ((cpu == CPU_VR4100 || cpu == CPU_R4111) \
- && ((insn)->membership & INSN_4100) != 0) \
+ || (cpu == CPU_VR4100 && ((insn)->membership & INSN_4100) != 0) \
|| (cpu == CPU_R3900 && ((insn)->membership & INSN_3900) != 0) \
|| ((cpu == CPU_R10000 || cpu == CPU_R12000) \
- && ((insn)->membership & INSN_10000) != 0))
+ && ((insn)->membership & INSN_10000) != 0) \
+ || (cpu == CPU_SB1 && ((insn)->membership & INSN_SB1) != 0) \
+ || (cpu == CPU_R4111 && ((insn)->membership & INSN_4111) != 0) \
+ || (cpu == CPU_VR4120 && ((insn)->membership & INSN_4120) != 0) \
+ || (cpu == CPU_VR5400 && ((insn)->membership & INSN_5400) != 0) \
+ || (cpu == CPU_VR5500 && ((insn)->membership & INSN_5500) != 0) \
+ || 0) /* Please keep this term for easier source merging. */
/* This is a list of macro expanded instructions.
M_REM_3I,
M_REMU_3,
M_REMU_3I,
+ M_DROL,
M_ROL,
+ M_DROL_I,
M_ROL_I,
+ M_DROR,
M_ROR,
+ M_DROR_I,
M_ROR_I,
M_S_DA,
M_S_DOB,
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