/* mips.h. Mips opcode list for GDB, the GNU debugger.
- Copyright (C) 1993-2016 Free Software Foundation, Inc.
+ Copyright (C) 1993-2018 Free Software Foundation, Inc.
Contributed by Ralph Campbell and OSF
Commented and modified by Ian Lance Taylor, Cygnus Support
/* $pc, which has no encoding in the architectural instruction. */
OP_PC,
+ /* $28, which has no encoding in the MIPS16e architectural instruction. */
+ OP_REG28,
+
/* A 4-bit XYZW channel mask or 2-bit XYZW index; the size determines
which. */
OP_VU0_SUFFIX,
"+z" 5-bit rz register (OP_*_RZ)
"+Z" 5-bit fz register (OP_*_FZ)
+ interAptiv MR2:
+ "-m" register list for SAVE/RESTORE instruction
+
Enhanced VA Scheme:
"+j" 9-bit signed offset in bit 7 (OP_*_EVAOFFSET)
Extension character sequences used so far ("-" followed by the
following), for quick reference when adding more:
"AB"
- "abdstuvwxy"
+ "abdmstuvwxy"
*/
/* These are the bits which may be set in the pinfo field of an
#define INSN2_FORBIDDEN_SLOT 0x00008000
/* Opcode table entry is for a short MIPS16 form only. An extended
encoding may still exist, but with a separate opcode table entry
- required. */
+ required. In disassembly the presence of this flag in an otherwise
+ successful match against an extended instruction encoding inhibits
+ matching against any subsequent short table entry even if it does
+ not have this flag set. A table entry matching the full extended
+ encoding is needed or otherwise the final EXTEND entry will apply,
+ for the disassembly of the prefix only. */
#define INSN2_SHORT_ONLY 0x00010000
/* Masks used to mark instructions to indicate which MIPS ISA level
#undef ISAF
/* Masks used for Chip specific instructions. */
-#define INSN_CHIP_MASK 0xc3ff4f60
+#define INSN_CHIP_MASK 0xc7ff4f60
/* Cavium Networks Octeon instructions. */
#define INSN_OCTEON 0x00000800
#define INSN_LOONGSON_3A 0x00000400
/* RMI Xlr instruction */
#define INSN_XLR 0x00000020
+/* Imagination interAptiv MR2. */
+#define INSN_INTERAPTIV_MR2 0x04000000
/* DSP ASE */
#define ASE_DSP 0x00000001
#define ASE_XPA 0x00002000
/* DSP R3 Module. */
#define ASE_DSPR3 0x00004000
+/* MIPS16e2 ASE. */
+#define ASE_MIPS16E2 0x00008000
+/* MIPS16e2 MT ASE instructions. */
+#define ASE_MIPS16E2_MT 0x00010000
+/* The Virtualization ASE has eXtended Physical Addressing (XPA)
+ instructions which are only valid when both ASEs are enabled. */
+#define ASE_XPA_VIRT 0x00020000
/* MIPS ISA defines, use instead of hardcoding ISA level. */
#define CPU_OCTEON2 6502
#define CPU_OCTEON3 6503
#define CPU_XLR 887682 /* decimal 'XLR' */
+#define CPU_INTERAPTIV_MR2 736550 /* decimal 'IA2' */
/* Return true if the given CPU is included in INSN_* mask MASK. */
case CPU_XLR:
return (mask & INSN_XLR) != 0;
+ case CPU_INTERAPTIV_MR2:
+ return (mask & INSN_INTERAPTIV_MR2) != 0;
+
case CPU_MIPS32R6:
return (mask & INSN_ISA_MASK) == INSN_ISA32R6;
"e" 11 bit extension value
"l" register list for entry instruction
"L" register list for exit instruction
+ ">" 5-bit SYNC code
+ "9" 9-bit signed immediate
+ "G" global pointer ($gp or $28)
+ "N" 5-bit coprocessor register
+ "O" 3-bit sel field for MFC0/MTC0
+ "Q" 5-bit hardware register
+ "T" 5-bit CACHE opcode or PREF hint
+ "b" 5-bit INS/EXT position, which becomes LSB
+ Enforces: 0 <= pos < 32.
+ "c" 5-bit INS size, which becomes MSB
+ Requires that "b" occurs first to set position.
+ Enforces: 0 < (pos+size) <= 32.
+ "d" 5-bit EXT size, which becomes MSBD
+ Requires that "b" occurs first to set position.
+ Enforces: 0 < (pos+size) <= 32.
+ "n" 2-bit immediate (1 .. 4)
+ "o" 5-bit unsigned immediate * 16
+ "r" 3-bit register
"s" 3-bit ASMACRO select immediate
+ "u" 16-bit unsigned immediate
"I" an immediate value used for macros
"M" 7 bit register list for restore instruction (18 bit extended)
Characters used so far, for quick reference when adding more:
- "0123456 8 "
- ".[]<"
- "ABCDEF HI KLM P RS UVWXYZ"
- "a e ijklm pq s vwxyz"
+ "0123456 89"
+ ".[]<>"
+ "ABCDEFGHI KLMNOPQRSTUVWXYZ"
+ "abcde ijklmnopqrs uvwxyz"
*/
/* Save/restore encoding for the args field when all 4 registers are
either saved as arguments or saved/restored as statics. */
-#define MIPS16_ALL_ARGS 0xe
-#define MIPS16_ALL_STATICS 0xb
+#define MIPS_SVRS_ALL_ARGS 0xe
+#define MIPS_SVRS_ALL_STATICS 0xb
/* The following flags have the same value for the mips16 opcode
table: