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| author | cvs2svn <> | 2011-12-08 20:47:29 +0000 |
|---|---|---|
| committer | cvs2svn <> | 2011-12-08 20:47:29 +0000 |
| commit | 043beeed5375bcc7982af475b1d599e475f0467a (patch) | |
| tree | e4a3f7b6abc9819aaf88a8bb5ff54698f7d15200 /include/opcode/mips.h | |
| parent | ad0835bc5e9652f42535584b12137a955ac68789 (diff) | |
| download | cygnal-cgen-snapshot-20111201.tar.gz cygnal-cgen-snapshot-20111201.tar.bz2 cygnal-cgen-snapshot-20111201.zip | |
This commit was manufactured by cvs2svn to create tag 'cgen-cgen-snapshot-20111201
snapshot-20111201'.
Sprout from gdb_7_4-branch 2011-12-08 20:47:28 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'gdb_7_4-branch'.'
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include/alloca-conf.h
include/ansidecl.h
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include/aout/dynix3.h
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include/aout/host.h
include/aout/hp.h
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include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/binary-io.h
include/bout.h
include/cgen/ChangeLog
include/cgen/basic-modes.h
include/cgen/basic-ops.h
include/cgen/bitset.h
include/coff/ChangeLog
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include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/external.h
include/coff/go32exe.h
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include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/mcore.h
include/coff/mips.h
include/coff/mipspe.h
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include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
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include/opcode/ChangeLog
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include/opcode/cgen.h
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include/opcode/i370.h
include/opcode/i386.h
include/opcode/i860.h
include/opcode/i960.h
include/opcode/ia64.h
include/opcode/m68hc11.h
include/opcode/m68k.h
include/opcode/m88k.h
include/opcode/mips.h
include/opcode/mmix.h
include/opcode/mn10200.h
include/opcode/mn10300.h
include/opcode/moxie.h
include/opcode/msp430.h
include/opcode/np1.h
include/opcode/ns32k.h
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include/opcode/pdp11.h
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include/opcode/ppc.h
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include/opcode/rl78.h
include/opcode/rx.h
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include/opcode/score-datadep.h
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include/opcode/sparc.h
include/opcode/spu-insns.h
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include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic4x.h
include/opcode/tic54x.h
include/opcode/tic6x-control-registers.h
include/opcode/tic6x-insn-formats.h
include/opcode/tic6x-opcode-table.h
include/opcode/tic6x.h
include/opcode/tic80.h
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Diffstat (limited to 'include/opcode/mips.h')
| -rw-r--r-- | include/opcode/mips.h | 1739 |
1 files changed, 0 insertions, 1739 deletions
diff --git a/include/opcode/mips.h b/include/opcode/mips.h deleted file mode 100644 index fb9094c26..000000000 --- a/include/opcode/mips.h +++ /dev/null @@ -1,1739 +0,0 @@ -/* 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 - Free Software Foundation, Inc. - Contributed by Ralph Campbell and OSF - Commented and modified 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 3, - 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 COPYING3. If not, write to the Free - Software Foundation, 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#ifndef _MIPS_H_ -#define _MIPS_H_ - -/* These are bit masks and shift counts to use to access the various - fields of an instruction. To retrieve the X field of an - instruction, use the expression - (i >> OP_SH_X) & OP_MASK_X - To set the same field (to j), use - i = (i &~ (OP_MASK_X << OP_SH_X)) | (j << OP_SH_X) - - Make sure you use fields that are appropriate for the instruction, - of course. - - The 'i' format uses OP, RS, RT and IMMEDIATE. - - The 'j' format uses OP and TARGET. - - The 'r' format uses OP, RS, RT, RD, SHAMT and FUNCT. - - The 'b' format uses OP, RS, RT and DELTA. - - The floating point 'i' format uses OP, RS, RT and IMMEDIATE. - - The floating point 'r' format uses OP, FMT, FT, FS, FD and FUNCT. - - A breakpoint instruction uses OP, CODE and SPEC (10 bits of the - breakpoint instruction are not defined; Kane says the breakpoint - code field in BREAK is 20 bits; yet MIPS assemblers and debuggers - only use ten bits). An optional two-operand form of break/sdbbp - allows the lower ten bits to be set too, and MIPS32 and later - architectures allow 20 bits to be set with a signal operand - (using CODE20). - - The syscall instruction uses CODE20. - - The general coprocessor instructions use COPZ. */ - -#define OP_MASK_OP 0x3f -#define OP_SH_OP 26 -#define OP_MASK_RS 0x1f -#define OP_SH_RS 21 -#define OP_MASK_FR 0x1f -#define OP_SH_FR 21 -#define OP_MASK_FMT 0x1f -#define OP_SH_FMT 21 -#define OP_MASK_BCC 0x7 -#define OP_SH_BCC 18 -#define OP_MASK_CODE 0x3ff -#define OP_SH_CODE 16 -#define OP_MASK_CODE2 0x3ff -#define OP_SH_CODE2 6 -#define OP_MASK_RT 0x1f -#define OP_SH_RT 16 -#define OP_MASK_FT 0x1f -#define OP_SH_FT 16 -#define OP_MASK_CACHE 0x1f -#define OP_SH_CACHE 16 -#define OP_MASK_RD 0x1f -#define OP_SH_RD 11 -#define OP_MASK_FS 0x1f -#define OP_SH_FS 11 -#define OP_MASK_PREFX 0x1f -#define OP_SH_PREFX 11 -#define OP_MASK_CCC 0x7 -#define OP_SH_CCC 8 -#define OP_MASK_CODE20 0xfffff /* 20 bit syscall/breakpoint code. */ -#define OP_SH_CODE20 6 -#define OP_MASK_SHAMT 0x1f -#define OP_SH_SHAMT 6 -#define OP_MASK_EXTLSB OP_MASK_SHAMT -#define OP_SH_EXTLSB OP_SH_SHAMT -#define OP_MASK_STYPE OP_MASK_SHAMT -#define OP_SH_STYPE OP_SH_SHAMT -#define OP_MASK_FD 0x1f -#define OP_SH_FD 6 -#define OP_MASK_TARGET 0x3ffffff -#define OP_SH_TARGET 0 -#define OP_MASK_COPZ 0x1ffffff -#define OP_SH_COPZ 0 -#define OP_MASK_IMMEDIATE 0xffff -#define OP_SH_IMMEDIATE 0 -#define OP_MASK_DELTA 0xffff -#define OP_SH_DELTA 0 -#define OP_MASK_FUNCT 0x3f -#define OP_SH_FUNCT 0 -#define OP_MASK_SPEC 0x3f -#define OP_SH_SPEC 0 -#define OP_SH_LOCC 8 /* FP condition code. */ -#define OP_SH_HICC 18 /* FP condition code. */ -#define OP_MASK_CC 0x7 -#define OP_SH_COP1NORM 25 /* Normal COP1 encoding. */ -#define OP_MASK_COP1NORM 0x1 /* a single bit. */ -#define OP_SH_COP1SPEC 21 /* COP1 encodings. */ -#define OP_MASK_COP1SPEC 0xf -#define OP_MASK_COP1SCLR 0x4 -#define OP_MASK_COP1CMP 0x3 -#define OP_SH_COP1CMP 4 -#define OP_SH_FORMAT 21 /* FP short format field. */ -#define OP_MASK_FORMAT 0x7 -#define OP_SH_TRUE 16 -#define OP_MASK_TRUE 0x1 -#define OP_SH_GE 17 -#define OP_MASK_GE 0x01 -#define OP_SH_UNSIGNED 16 -#define OP_MASK_UNSIGNED 0x1 -#define OP_SH_HINT 16 -#define OP_MASK_HINT 0x1f -#define OP_SH_MMI 0 /* Multimedia (parallel) op. */ -#define OP_MASK_MMI 0x3f -#define OP_SH_MMISUB 6 -#define OP_MASK_MMISUB 0x1f -#define OP_MASK_PERFREG 0x1f /* Performance monitoring. */ -#define OP_SH_PERFREG 1 -#define OP_SH_SEL 0 /* Coprocessor select field. */ -#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 - -/* MIPS DSP ASE */ -#define OP_SH_DSPACC 11 -#define OP_MASK_DSPACC 0x3 -#define OP_SH_DSPACC_S 21 -#define OP_MASK_DSPACC_S 0x3 -#define OP_SH_DSPSFT 20 -#define OP_MASK_DSPSFT 0x3f -#define OP_SH_DSPSFT_7 19 -#define OP_MASK_DSPSFT_7 0x7f -#define OP_SH_SA3 21 -#define OP_MASK_SA3 0x7 -#define OP_SH_SA4 21 -#define OP_MASK_SA4 0xf -#define OP_SH_IMM8 16 -#define OP_MASK_IMM8 0xff -#define OP_SH_IMM10 16 -#define OP_MASK_IMM10 0x3ff -#define OP_SH_WRDSP 11 -#define OP_MASK_WRDSP 0x3f -#define OP_SH_RDDSP 16 -#define OP_MASK_RDDSP 0x3f -#define OP_SH_BP 11 -#define OP_MASK_BP 0x3 - -/* MIPS MT ASE */ -#define OP_SH_MT_U 5 -#define OP_MASK_MT_U 0x1 -#define OP_SH_MT_H 4 -#define OP_MASK_MT_H 0x1 -#define OP_SH_MTACC_T 18 -#define OP_MASK_MTACC_T 0x3 -#define OP_SH_MTACC_D 13 -#define OP_MASK_MTACC_D 0x3 - -/* MIPS MCU ASE */ -#define OP_MASK_3BITPOS 0x7 -#define OP_SH_3BITPOS 12 -#define OP_MASK_OFFSET12 0xfff -#define OP_SH_OFFSET12 0 - -#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 - -/* UDI */ -#define OP_SH_UDI1 6 -#define OP_MASK_UDI1 0x1f -#define OP_SH_UDI2 6 -#define OP_MASK_UDI2 0x3ff -#define OP_SH_UDI3 6 -#define OP_MASK_UDI3 0x7fff -#define OP_SH_UDI4 6 -#define OP_MASK_UDI4 0xfffff - -/* Octeon */ -#define OP_SH_BBITIND 16 -#define OP_MASK_BBITIND 0x1f -#define OP_SH_CINSPOS 6 -#define OP_MASK_CINSPOS 0x1f -#define OP_SH_CINSLM1 11 -#define OP_MASK_CINSLM1 0x1f -#define OP_SH_SEQI 6 -#define OP_MASK_SEQI 0x3ff - -/* Loongson */ -#define OP_SH_OFFSET_A 6 -#define OP_MASK_OFFSET_A 0xff -#define OP_SH_OFFSET_B 3 -#define OP_MASK_OFFSET_B 0xff -#define OP_SH_OFFSET_C 6 -#define OP_MASK_OFFSET_C 0x1ff -#define OP_SH_RZ 0 -#define OP_MASK_RZ 0x1f -#define OP_SH_FZ 0 -#define OP_MASK_FZ 0x1f - -/* Every MICROMIPSOP_X definition requires a corresponding OP_X - definition, and vice versa. This simplifies various parts - of the operand handling in GAS. The fields below only exist - in the microMIPS encoding, so define each one to have an empty - range. */ -#define OP_MASK_CODE10 0 -#define OP_SH_CODE10 0 -#define OP_MASK_TRAP 0 -#define OP_SH_TRAP 0 -#define OP_MASK_OFFSET10 0 -#define OP_SH_OFFSET10 0 -#define OP_MASK_RS3 0 -#define OP_SH_RS3 0 -#define OP_MASK_MB 0 -#define OP_SH_MB 0 -#define OP_MASK_MC 0 -#define OP_SH_MC 0 -#define OP_MASK_MD 0 -#define OP_SH_MD 0 -#define OP_MASK_ME 0 -#define OP_SH_ME 0 -#define OP_MASK_MF 0 -#define OP_SH_MF 0 -#define OP_MASK_MG 0 -#define OP_SH_MG 0 -#define OP_MASK_MH 0 -#define OP_SH_MH 0 -#define OP_MASK_MI 0 -#define OP_SH_MI 0 -#define OP_MASK_MJ 0 -#define OP_SH_MJ 0 -#define OP_MASK_ML 0 -#define OP_SH_ML 0 -#define OP_MASK_MM 0 -#define OP_SH_MM 0 -#define OP_MASK_MN 0 -#define OP_SH_MN 0 -#define OP_MASK_MP 0 -#define OP_SH_MP 0 -#define OP_MASK_MQ 0 -#define OP_SH_MQ 0 -#define OP_MASK_IMMA 0 -#define OP_SH_IMMA 0 -#define OP_MASK_IMMB 0 -#define OP_SH_IMMB 0 -#define OP_MASK_IMMC 0 -#define OP_SH_IMMC 0 -#define OP_MASK_IMMF 0 -#define OP_SH_IMMF 0 -#define OP_MASK_IMMG 0 -#define OP_SH_IMMG 0 -#define OP_MASK_IMMH 0 -#define OP_SH_IMMH 0 -#define OP_MASK_IMMI 0 -#define OP_SH_IMMI 0 -#define OP_MASK_IMMJ 0 -#define OP_SH_IMMJ 0 -#define OP_MASK_IMML 0 -#define OP_SH_IMML 0 -#define OP_MASK_IMMM 0 -#define OP_SH_IMMM 0 -#define OP_MASK_IMMN 0 -#define OP_SH_IMMN 0 -#define OP_MASK_IMMO 0 -#define OP_SH_IMMO 0 -#define OP_MASK_IMMP 0 -#define OP_SH_IMMP 0 -#define OP_MASK_IMMQ 0 -#define OP_SH_IMMQ 0 -#define OP_MASK_IMMU 0 -#define OP_SH_IMMU 0 -#define OP_MASK_IMMW 0 -#define OP_SH_IMMW 0 -#define OP_MASK_IMMX 0 -#define OP_SH_IMMX 0 -#define OP_MASK_IMMY 0 -#define OP_SH_IMMY 0 - -/* This structure holds information for a particular instruction. */ - -struct mips_opcode -{ - /* The name of the instruction. */ - const char *name; - /* A string describing the arguments for this instruction. */ - const char *args; - /* The basic opcode for the instruction. When assembling, this - opcode is modified by the arguments to produce the actual opcode - that is used. If pinfo is INSN_MACRO, then this is 0. */ - unsigned long match; - /* If pinfo is not INSN_MACRO, then this is a bit mask for the - relevant portions of the opcode when disassembling. If the - actual opcode anded with the match field equals the opcode field, - then we have found the correct instruction. If pinfo is - INSN_MACRO, then this field is the macro identifier. */ - unsigned long mask; - /* For a macro, this is INSN_MACRO. Otherwise, it is a collection - of bits describing the instruction, notably any relevant hazard - information. */ - unsigned long pinfo; - /* A collection of additional bits describing the instruction. */ - unsigned long pinfo2; - /* A collection of bits describing the instruction sets of which this - instruction or macro is a member. */ - unsigned long membership; -}; - -/* 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 - when disassembling. - - Each of these characters corresponds to a mask field defined above. - - "1" 5 bit sync type (OP_*_SHAMT) - "<" 5 bit shift amount (OP_*_SHAMT) - ">" shift amount between 32 and 63, stored after subtracting 32 (OP_*_SHAMT) - "a" 26 bit target address (OP_*_TARGET) - "b" 5 bit base register (OP_*_RS) - "c" 10 bit breakpoint code (OP_*_CODE) - "d" 5 bit destination register specifier (OP_*_RD) - "h" 5 bit prefx hint (OP_*_PREFX) - "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) - "r" 5 bit same register used as both source and target (OP_*_RS) - "s" 5 bit source register specifier (OP_*_RS) - "t" 5 bit target register (OP_*_RT) - "u" 16 bit upper 16 bits of address (OP_*_IMMEDIATE) - "v" 5 bit same register used as both source and destination (OP_*_RS) - "w" 5 bit same register used as both target and destination (OP_*_RT) - "U" 5 bit same destination register in both OP_*_RD and OP_*_RT - (used by clo and clz) - "C" 25 bit coprocessor function code (OP_*_COPZ) - "B" 20 bit syscall/breakpoint function code (OP_*_CODE20) - "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/dins/dext/dinsm/dextm position, which becomes - LSB (OP_*_SHAMT; OP_*_EXTLSB or OP_*_STYPE may be used for - microMIPS compatibility). - Enforces: 0 <= pos < 32. - "+B" 5 bit ins/dins size, which becomes MSB (OP_*_INSMSB). - Requires that "+A" or "+E" occur first to set position. - Enforces: 0 < (pos+size) <= 32. - "+C" 5 bit ext/dext size, which becomes MSBD (OP_*_EXTMSBD). - Requires that "+A" or "+E" occur first to set position. - Enforces: 0 < (pos+size) <= 32. - (Also used by "dext" w/ different limits, but limits for - that are checked by the M_DEXT macro.) - "+E" 5 bit dinsu/dextu position, which becomes LSB-32 (OP_*_SHAMT). - Enforces: 32 <= pos < 64. - "+F" 5 bit "dinsm/dinsu" size, which becomes MSB-32 (OP_*_INSMSB). - Requires that "+A" or "+E" occur first to set position. - Enforces: 32 < (pos+size) <= 64. - "+G" 5 bit "dextm" size, which becomes MSBD-32 (OP_*_EXTMSBD). - Requires that "+A" or "+E" occur first to set position. - Enforces: 32 < (pos+size) <= 64. - "+H" 5 bit "dextu" size, which becomes MSBD (OP_*_EXTMSBD). - Requires that "+A" or "+E" occur first to set position. - Enforces: 32 < (pos+size) <= 64. - - Floating point instructions: - "D" 5 bit destination register (OP_*_FD) - "M" 3 bit compare condition code (OP_*_CCC) (only used for mips4 and up) - "N" 3 bit branch condition code (OP_*_BCC) (only used for mips4 and up) - "S" 5 bit fs source 1 register (OP_*_FS) - "T" 5 bit ft source 2 register (OP_*_FT) - "R" 5 bit fr source 3 register (OP_*_FR) - "V" 5 bit same register used as floating source and destination (OP_*_FS) - "W" 5 bit same register used as floating target and destination (OP_*_FT) - - 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) - "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 - "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 - "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 $vN names for the registers): - "O" MDMX alignment offset (OP_*_ALN) - "Q" MDMX vector/scalar/immediate source (OP_*_VSEL and OP_*_FT) - "X" MDMX destination register (OP_*_FD) - "Y" MDMX source register (OP_*_FS) - "Z" MDMX source register (OP_*_FT) - - DSP ASE usage: - "2" 2 bit unsigned immediate for byte align (OP_*_BP) - "3" 3 bit unsigned immediate (OP_*_SA3) - "4" 4 bit unsigned immediate (OP_*_SA4) - "5" 8 bit unsigned immediate (OP_*_IMM8) - "6" 5 bit unsigned immediate (OP_*_RS) - "7" 2 bit dsp accumulator register (OP_*_DSPACC) - "8" 6 bit unsigned immediate (OP_*_WRDSP) - "9" 2 bit dsp accumulator register (OP_*_DSPACC_S) - "0" 6 bit signed immediate (OP_*_DSPSFT) - ":" 7 bit signed immediate (OP_*_DSPSFT_7) - "'" 6 bit unsigned immediate (OP_*_RDDSP) - "@" 10 bit signed immediate (OP_*_IMM10) - - MT ASE usage: - "!" 1 bit usermode flag (OP_*_MT_U) - "$" 1 bit load high flag (OP_*_MT_H) - "*" 2 bit dsp/smartmips accumulator register (OP_*_MTACC_T) - "&" 2 bit dsp/smartmips accumulator register (OP_*_MTACC_D) - "g" 5 bit coprocessor 1 and 2 destination register (OP_*_RD) - "+t" 5 bit coprocessor 0 destination register (OP_*_RT) - "+T" 5 bit coprocessor 0 destination register (OP_*_RT) - disassembly only - - MCU ASE usage: - "~" 12 bit offset (OP_*_OFFSET12) - "\" 3 bit position for aset and aclr (OP_*_3BITPOS) - - UDI immediates: - "+1" UDI immediate bits 6-10 - "+2" UDI immediate bits 6-15 - "+3" UDI immediate bits 6-20 - "+4" UDI immediate bits 6-25 - - Octeon: - "+x" Bit index field of bbit. Enforces: 0 <= index < 32. - "+X" Bit index field of bbit aliasing bbit32. Matches if 32 <= index < 64, - otherwise skips to next candidate. - "+p" Position field of cins/cins32/exts/exts32. Enforces 0 <= pos < 32. - "+P" Position field of cins/exts aliasing cins32/exts32. Matches if - 32 <= pos < 64, otherwise skips to next candidate. - "+Q" Immediate field of seqi/snei. Enforces -512 <= imm < 512. - "+s" Length-minus-one field of cins/exts. Enforces: 0 <= lenm1 < 32. - "+S" Length-minus-one field of cins32/exts32 or cins/exts aliasing - cint32/exts32. Enforces non-negative value and that - pos + lenm1 < 32 or pos + lenm1 < 64 depending whether previous - position field is "+p" or "+P". - - Loongson-3A: - "+a" 8-bit signed offset in bit 6 (OP_*_OFFSET_A) - "+b" 8-bit signed offset in bit 3 (OP_*_OFFSET_B) - "+c" 9-bit signed offset in bit 6 (OP_*_OFFSET_C) - "+z" 5-bit rz register (OP_*_RZ) - "+Z" 5-bit fz register (OP_*_FZ) - - 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: - "1234567890" - "%[]<>(),+:'@!$*&\~" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - "abcdefghijklopqrstuvwxz" - - Extension character sequences used so far ("+" followed by the - following), for quick reference when adding more: - "1234" - "ABCDEFGHIPQSTXZ" - "abcpstxz" -*/ - -/* These are the bits which may be set in the pinfo field of an - instructions, if it is not equal to INSN_MACRO. */ - -/* Modifies the general purpose register in OP_*_RD. */ -#define INSN_WRITE_GPR_D 0x00000001 -/* Modifies the general purpose register in OP_*_RT. */ -#define INSN_WRITE_GPR_T 0x00000002 -/* Modifies general purpose register 31. */ -#define INSN_WRITE_GPR_31 0x00000004 -/* Modifies the floating point register in OP_*_FD. */ -#define INSN_WRITE_FPR_D 0x00000008 -/* Modifies the floating point register in OP_*_FS. */ -#define INSN_WRITE_FPR_S 0x00000010 -/* Modifies the floating point register in OP_*_FT. */ -#define INSN_WRITE_FPR_T 0x00000020 -/* Reads the general purpose register in OP_*_RS. */ -#define INSN_READ_GPR_S 0x00000040 -/* Reads the general purpose register in OP_*_RT. */ -#define INSN_READ_GPR_T 0x00000080 -/* Reads the floating point register in OP_*_FS. */ -#define INSN_READ_FPR_S 0x00000100 -/* Reads the floating point register in OP_*_FT. */ -#define INSN_READ_FPR_T 0x00000200 -/* Reads the floating point register in OP_*_FR. */ -#define INSN_READ_FPR_R 0x00000400 -/* Modifies coprocessor condition code. */ -#define INSN_WRITE_COND_CODE 0x00000800 -/* Reads coprocessor condition code. */ -#define INSN_READ_COND_CODE 0x00001000 -/* TLB operation. */ -#define INSN_TLB 0x00002000 -/* Reads coprocessor register other than floating point register. */ -#define INSN_COP 0x00004000 -/* Instruction loads value from memory, requiring delay. */ -#define INSN_LOAD_MEMORY_DELAY 0x00008000 -/* Instruction loads value from coprocessor, requiring delay. */ -#define INSN_LOAD_COPROC_DELAY 0x00010000 -/* Instruction has unconditional branch delay slot. */ -#define INSN_UNCOND_BRANCH_DELAY 0x00020000 -/* Instruction has conditional branch delay slot. */ -#define INSN_COND_BRANCH_DELAY 0x00040000 -/* Conditional branch likely: if branch not taken, insn nullified. */ -#define INSN_COND_BRANCH_LIKELY 0x00080000 -/* Moves to coprocessor register, requiring delay. */ -#define INSN_COPROC_MOVE_DELAY 0x00100000 -/* Loads coprocessor register from memory, requiring delay. */ -#define INSN_COPROC_MEMORY_DELAY 0x00200000 -/* Reads the HI register. */ -#define INSN_READ_HI 0x00400000 -/* Reads the LO register. */ -#define INSN_READ_LO 0x00800000 -/* Modifies the HI register. */ -#define INSN_WRITE_HI 0x01000000 -/* Modifies the LO register. */ -#define INSN_WRITE_LO 0x02000000 -/* Not to be placed in a branch delay slot, either architecturally - or for ease of handling (such as with instructions that take a trap). */ -#define INSN_NO_DELAY_SLOT 0x04000000 -/* Instruction stores value into memory. */ -#define INSN_STORE_MEMORY 0x08000000 -/* Instruction uses single precision floating point. */ -#define FP_S 0x10000000 -/* Instruction uses double precision floating point. */ -#define FP_D 0x20000000 -/* Instruction is part of the tx39's integer multiply family. */ -#define INSN_MULT 0x40000000 -/* Modifies the general purpose register in MICROMIPSOP_*_RS. */ -#define INSN_WRITE_GPR_S 0x80000000 -/* Instruction is actually a macro. It should be ignored by the - disassembler, and requires special treatment by the assembler. */ -#define INSN_MACRO 0xffffffff - -/* These are the bits which may be set in the pinfo2 field of an - instruction. */ - -/* Instruction is a simple alias (I.E. "move" for daddu/addu/or) */ -#define INSN2_ALIAS 0x00000001 -/* Instruction reads MDMX accumulator. */ -#define INSN2_READ_MDMX_ACC 0x00000002 -/* Instruction writes MDMX accumulator. */ -#define INSN2_WRITE_MDMX_ACC 0x00000004 -/* Macro uses single-precision floating-point instructions. This should - only be set for macros. For instructions, FP_S in pinfo carries the - same information. */ -#define INSN2_M_FP_S 0x00000008 -/* Macro uses double-precision floating-point instructions. This should - only be set for macros. For instructions, FP_D in pinfo carries the - same information. */ -#define INSN2_M_FP_D 0x00000010 -/* Modifies the general purpose register in OP_*_RZ. */ -#define INSN2_WRITE_GPR_Z 0x00000020 -/* Modifies the floating point register in OP_*_FZ. */ -#define INSN2_WRITE_FPR_Z 0x00000040 -/* Reads the general purpose register in OP_*_RZ. */ -#define INSN2_READ_GPR_Z 0x00000080 -/* Reads the floating point register in OP_*_FZ. */ -#define INSN2_READ_FPR_Z 0x00000100 -/* Reads the general purpose register in OP_*_RD. */ -#define INSN2_READ_GPR_D 0x00000200 - - -/* Instruction has a branch delay slot that requires a 16-bit instruction. */ -#define INSN2_BRANCH_DELAY_16BIT 0x00000400 -/* Instruction has a branch delay slot that requires a 32-bit instruction. */ -#define INSN2_BRANCH_DELAY_32BIT 0x00000800 -/* Reads the floating point register in MICROMIPSOP_*_FD. */ -#define INSN2_READ_FPR_D 0x00001000 -/* Modifies the general purpose register in MICROMIPSOP_*_MB. */ -#define INSN2_WRITE_GPR_MB 0x00002000 -/* Reads the general purpose register in MICROMIPSOP_*_MC. */ -#define INSN2_READ_GPR_MC 0x00004000 -/* Reads/writes the general purpose register in MICROMIPSOP_*_MD. */ -#define INSN2_MOD_GPR_MD 0x00008000 -/* Reads the general purpose register in MICROMIPSOP_*_ME. */ -#define INSN2_READ_GPR_ME 0x00010000 -/* Reads/writes the general purpose register in MICROMIPSOP_*_MF. */ -#define INSN2_MOD_GPR_MF 0x00020000 -/* Reads the general purpose register in MICROMIPSOP_*_MG. */ -#define INSN2_READ_GPR_MG 0x00040000 -/* Reads the general purpose register in MICROMIPSOP_*_MJ. */ -#define INSN2_READ_GPR_MJ 0x00080000 -/* Modifies the general purpose register in MICROMIPSOP_*_MJ. */ -#define INSN2_WRITE_GPR_MJ 0x00100000 -/* Reads the general purpose register in MICROMIPSOP_*_MP. */ -#define INSN2_READ_GPR_MP 0x00200000 -/* Modifies the general purpose register in MICROMIPSOP_*_MP. */ -#define INSN2_WRITE_GPR_MP 0x00400000 -/* Reads the general purpose register in MICROMIPSOP_*_MQ. */ -#define INSN2_READ_GPR_MQ 0x00800000 -/* Reads/Writes the stack pointer ($29). */ -#define INSN2_MOD_SP 0x01000000 -/* Reads the RA ($31) register. */ -#define INSN2_READ_GPR_31 0x02000000 -/* Reads the global pointer ($28). */ -#define INSN2_READ_GP 0x04000000 -/* Reads the program counter ($pc). */ -#define INSN2_READ_PC 0x08000000 -/* Is an unconditional branch insn. */ -#define INSN2_UNCOND_BRANCH 0x10000000 -/* Is a conditional branch insn. */ -#define INSN2_COND_BRANCH 0x20000000 -/* Modifies the general purpose registers in MICROMIPSOP_*_MH/I. */ -#define INSN2_WRITE_GPR_MHI 0x40000000 -/* Reads the general purpose registers in MICROMIPSOP_*_MM/N. */ -#define INSN2_READ_GPR_MMN 0x80000000 - -/* Masks used to mark instructions to indicate which MIPS ISA level - they were introduced in. INSN_ISA_MASK masks an enumeration that - specifies the base ISA level(s). The remainder of a 32-bit - word constructed using these macros is a bitmask of the remaining - INSN_* values below. */ - -#define INSN_ISA_MASK 0x0000000ful - -/* We cannot start at zero due to ISA_UNKNOWN below. */ -#define INSN_ISA1 1 -#define INSN_ISA2 2 -#define INSN_ISA3 3 -#define INSN_ISA4 4 -#define INSN_ISA5 5 -#define INSN_ISA32 6 -#define INSN_ISA32R2 7 -#define INSN_ISA64 8 -#define INSN_ISA64R2 9 -/* 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 }; - -/* Masks used for Chip specific instructions. */ -#define INSN_CHIP_MASK 0xc3ff0f20 - -/* Cavium Networks Octeon instructions. */ -#define INSN_OCTEON 0x00000800 -#define INSN_OCTEONP 0x00000200 -#define INSN_OCTEON2 0x00000100 - -/* Masks used for MIPS-defined ASEs. */ -#define INSN_ASE_MASK 0x3c00f010 - -/* DSP ASE */ -#define INSN_DSP 0x00001000 -#define INSN_DSP64 0x00002000 - -/* 0x00004000 is unused. */ - -/* MIPS-3D ASE */ -#define INSN_MIPS3D 0x00008000 - -/* MIPS R4650 instruction. */ -#define INSN_4650 0x00010000 -/* LSI R4010 instruction. */ -#define INSN_4010 0x00020000 -/* NEC VR4100 instruction. */ -#define INSN_4100 0x00040000 -/* Toshiba R3900 instruction. */ -#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 - -/* MDMX ASE */ -#define INSN_MDMX 0x04000000 -/* MT ASE */ -#define INSN_MT 0x08000000 -/* SmartMIPS ASE */ -#define INSN_SMARTMIPS 0x10000000 -/* DSP R2 ASE */ -#define INSN_DSPR2 0x20000000 -/* ST Microelectronics Loongson 2E. */ -#define INSN_LOONGSON_2E 0x40000000 -/* ST Microelectronics Loongson 2F. */ -#define INSN_LOONGSON_2F 0x80000000 -/* Loongson 3A. */ -#define INSN_LOONGSON_3A 0x00000400 -/* RMI Xlr instruction */ -#define INSN_XLR 0x00000020 - -/* MCU (MicroController) ASE */ -#define INSN_MCU 0x00000010 - -/* MIPS ISA defines, use instead of hardcoding ISA level. */ - -#define ISA_UNKNOWN 0 /* Gas internal use. */ -#define ISA_MIPS1 INSN_ISA1 -#define ISA_MIPS2 INSN_ISA2 -#define ISA_MIPS3 INSN_ISA3 -#define ISA_MIPS4 INSN_ISA4 -#define ISA_MIPS5 INSN_ISA5 - -#define ISA_MIPS32 INSN_ISA32 -#define ISA_MIPS64 INSN_ISA64 - -#define ISA_MIPS32R2 INSN_ISA32R2 -#define ISA_MIPS64R2 INSN_ISA64R2 - - -/* 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_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_RM7000 7000 -#define CPU_R8000 8000 -#define CPU_RM9000 9000 -#define CPU_R10000 10000 -#define CPU_R12000 12000 -#define CPU_R14000 14000 -#define CPU_R16000 16000 -#define CPU_MIPS16 16 -#define CPU_MIPS32 32 -#define CPU_MIPS32R2 33 -#define CPU_MIPS5 5 -#define CPU_MIPS64 64 -#define CPU_MIPS64R2 65 -#define CPU_SB1 12310201 /* octal 'SB', 01. */ -#define CPU_LOONGSON_2E 3001 -#define CPU_LOONGSON_2F 3002 -#define CPU_LOONGSON_3A 3003 -#define CPU_OCTEON 6501 -#define CPU_OCTEONP 6601 -#define CPU_OCTEON2 6502 -#define CPU_XLR 887682 /* decimal 'XLR' */ - -/* 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) \ - (((isa & INSN_ISA_MASK) != 0 \ - && ((insn)->membership & INSN_ISA_MASK) != 0 \ - && ((mips_isa_table [(isa & INSN_ISA_MASK) - 1] >> \ - (((insn)->membership & INSN_ISA_MASK) - 1)) & 1) != 0) \ - || ((isa & ~INSN_ISA_MASK) \ - & ((insn)->membership & ~INSN_ISA_MASK)) != 0 \ - || (cpu == CPU_R4650 && ((insn)->membership & INSN_4650) != 0) \ - || (cpu == CPU_RM7000 && ((insn)->membership & INSN_4650) != 0) \ - || (cpu == CPU_RM9000 && ((insn)->membership & INSN_4650) != 0) \ - || (cpu == CPU_R4010 && ((insn)->membership & INSN_4010) != 0) \ - || (cpu == CPU_VR4100 && ((insn)->membership & INSN_4100) != 0) \ - || (cpu == CPU_R3900 && ((insn)->membership & INSN_3900) != 0) \ - || ((cpu == CPU_R10000 || cpu == CPU_R12000 || cpu == CPU_R14000 \ - || cpu == CPU_R16000) \ - && ((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) \ - || (cpu == CPU_LOONGSON_2E \ - && ((insn)->membership & INSN_LOONGSON_2E) != 0) \ - || (cpu == CPU_LOONGSON_2F \ - && ((insn)->membership & INSN_LOONGSON_2F) != 0) \ - || (cpu == CPU_LOONGSON_3A \ - && ((insn)->membership & INSN_LOONGSON_3A) != 0) \ - || (cpu == CPU_OCTEON \ - && ((insn)->membership & INSN_OCTEON) != 0) \ - || (cpu == CPU_OCTEONP \ - && ((insn)->membership & INSN_OCTEONP) != 0) \ - || (cpu == CPU_OCTEON2 \ - && ((insn)->membership & INSN_OCTEON2) != 0) \ - || (cpu == CPU_XLR && ((insn)->membership & INSN_XLR) != 0) \ - || 0) /* Please keep this term for easier source merging. */ - -/* This is a list of macro expanded instructions. - - _I appended means immediate - _A appended means address - _AB appended means address with base register - _D appended means 64 bit floating point constant - _S appended means 32 bit floating point constant. */ - -enum -{ - M_ABS, - M_ACLR_AB, - M_ACLR_OB, - M_ADD_I, - M_ADDU_I, - M_AND_I, - M_ASET_AB, - M_ASET_OB, - M_BALIGN, - M_BC1FL, - M_BC1TL, - M_BC2FL, - M_BC2TL, - M_BEQ, - M_BEQ_I, - M_BEQL, - M_BEQL_I, - M_BGE, - M_BGEL, - M_BGE_I, - M_BGEL_I, - M_BGEU, - M_BGEUL, - M_BGEU_I, - M_BGEUL_I, - M_BGEZ, - M_BGEZL, - M_BGEZALL, - M_BGT, - M_BGTL, - M_BGT_I, - M_BGTL_I, - M_BGTU, - M_BGTUL, - M_BGTU_I, - M_BGTUL_I, - M_BGTZ, - M_BGTZL, - M_BLE, - M_BLEL, - M_BLE_I, - M_BLEL_I, - M_BLEU, - M_BLEUL, - M_BLEU_I, - M_BLEUL_I, - M_BLEZ, - M_BLEZL, - M_BLT, - M_BLTL, - M_BLT_I, - M_BLTL_I, - M_BLTU, - M_BLTUL, - M_BLTU_I, - M_BLTUL_I, - M_BLTZ, - M_BLTZL, - M_BLTZALL, - M_BNE, - M_BNEL, - M_BNE_I, - M_BNEL_I, - M_CACHE_AB, - M_CACHE_OB, - M_DABS, - M_DADD_I, - M_DADDU_I, - M_DDIV_3, - M_DDIV_3I, - M_DDIVU_3, - M_DDIVU_3I, - M_DEXT, - M_DINS, - M_DIV_3, - M_DIV_3I, - M_DIVU_3, - M_DIVU_3I, - M_DLA_AB, - M_DLCA_AB, - M_DLI, - M_DMUL, - M_DMUL_I, - M_DMULO, - M_DMULO_I, - M_DMULOU, - M_DMULOU_I, - M_DREM_3, - M_DREM_3I, - M_DREMU_3, - M_DREMU_3I, - M_DSUB_I, - M_DSUBU_I, - M_DSUBU_I_2, - M_J_A, - M_JAL_1, - M_JAL_2, - M_JAL_A, - M_JALS_1, - M_JALS_2, - M_JALS_A, - M_L_DOB, - M_L_DAB, - M_LA_AB, - M_LB_A, - M_LB_AB, - M_LBU_A, - M_LBU_AB, - M_LCA_AB, - M_LD_A, - M_LD_OB, - M_LD_AB, - M_LDC1_AB, - M_LDC2_AB, - M_LDC2_OB, - M_LDC3_AB, - M_LDL_AB, - M_LDL_OB, - M_LDM_AB, - M_LDM_OB, - M_LDP_AB, - M_LDP_OB, - M_LDR_AB, - M_LDR_OB, - M_LH_A, - M_LH_AB, - M_LHU_A, - M_LHU_AB, - M_LI, - M_LI_D, - M_LI_DD, - M_LI_S, - M_LI_SS, - M_LL_AB, - M_LL_OB, - M_LLD_AB, - M_LLD_OB, - M_LS_A, - M_LW_A, - M_LW_AB, - M_LWC0_A, - M_LWC0_AB, - M_LWC1_A, - M_LWC1_AB, - M_LWC2_A, - M_LWC2_AB, - M_LWC2_OB, - M_LWC3_A, - M_LWC3_AB, - M_LWL_A, - M_LWL_AB, - M_LWL_OB, - M_LWM_AB, - M_LWM_OB, - M_LWP_AB, - M_LWP_OB, - M_LWR_A, - M_LWR_AB, - M_LWR_OB, - M_LWU_AB, - M_LWU_OB, - M_MSGSND, - M_MSGLD, - M_MSGLD_T, - M_MSGWAIT, - M_MSGWAIT_T, - M_MOVE, - M_MUL, - M_MUL_I, - M_MULO, - M_MULO_I, - M_MULOU, - M_MULOU_I, - M_NOR_I, - M_OR_I, - M_PREF_AB, - M_PREF_OB, - M_REM_3, - 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, - M_S_DAB, - M_S_S, - M_SAA_AB, - M_SAA_OB, - M_SAAD_AB, - M_SAAD_OB, - M_SC_AB, - M_SC_OB, - M_SCD_AB, - M_SCD_OB, - M_SD_A, - M_SD_OB, - M_SD_AB, - M_SDC1_AB, - M_SDC2_AB, - M_SDC2_OB, - M_SDC3_AB, - M_SDL_AB, - M_SDL_OB, - M_SDM_AB, - M_SDM_OB, - M_SDP_AB, - M_SDP_OB, - M_SDR_AB, - M_SDR_OB, - M_SEQ, - M_SEQ_I, - M_SGE, - M_SGE_I, - M_SGEU, - M_SGEU_I, - M_SGT, - M_SGT_I, - M_SGTU, - M_SGTU_I, - M_SLE, - M_SLE_I, - M_SLEU, - M_SLEU_I, - M_SLT_I, - M_SLTU_I, - M_SNE, - M_SNE_I, - M_SB_A, - M_SB_AB, - M_SH_A, - M_SH_AB, - M_SW_A, - M_SW_AB, - M_SWC0_A, - M_SWC0_AB, - M_SWC1_A, - M_SWC1_AB, - M_SWC2_A, - M_SWC2_AB, - M_SWC2_OB, - M_SWC3_A, - M_SWC3_AB, - M_SWL_A, - M_SWL_AB, - M_SWL_OB, - M_SWM_AB, - M_SWM_OB, - M_SWP_AB, - M_SWP_OB, - M_SWR_A, - M_SWR_AB, - M_SWR_OB, - M_SUB_I, - M_SUBU_I, - M_SUBU_I_2, - M_TEQ_I, - M_TGE_I, - M_TGEU_I, - M_TLT_I, - M_TLTU_I, - M_TNE_I, - M_TRUNCWD, - M_TRUNCWS, - M_ULD, - M_ULD_A, - M_ULH, - M_ULH_A, - M_ULHU, - M_ULHU_A, - M_ULW, - M_ULW_A, - M_USH, - M_USH_A, - M_USW, - M_USW_A, - M_USD, - M_USD_A, - M_XOR_I, - M_COP0, - M_COP1, - M_COP2, - M_COP3, - M_NUM_MACROS -}; - - -/* The order of overloaded instructions matters. Label arguments and - register arguments look the same. Instructions that can have either - for arguments must apear in the correct order in this table for the - assembler to pick the right one. In other words, entries with - immediate operands must apear after the same instruction with - registers. - - Many instructions are short hand for other instructions (i.e., The - jal <register> instruction is short for jalr <register>). */ - -extern const struct mips_opcode mips_builtin_opcodes[]; -extern const int bfd_mips_num_builtin_opcodes; -extern struct mips_opcode *mips_opcodes; -extern int bfd_mips_num_opcodes; -#define NUMOPCODES bfd_mips_num_opcodes - - -/* The rest of this file adds definitions for the mips16 TinyRISC - processor. */ - -/* These are the bitmasks and shift counts used for the different - fields in the instruction formats. Other than OP, no masks are - provided for the fixed portions of an instruction, since they are - not needed. - - The I format uses IMM11. - - The RI format uses RX and IMM8. - - The RR format uses RX, and RY. - - The RRI format uses RX, RY, and IMM5. - - The RRR format uses RX, RY, and RZ. - - The RRI_A format uses RX, RY, and IMM4. - - The SHIFT format uses RX, RY, and SHAMT. - - The I8 format uses IMM8. - - The I8_MOVR32 format uses RY and REGR32. - - The IR_MOV32R format uses REG32R and MOV32Z. - - The I64 format uses IMM8. - - The RI64 format uses RY and IMM5. - */ - -#define MIPS16OP_MASK_OP 0x1f -#define MIPS16OP_SH_OP 11 -#define MIPS16OP_MASK_IMM11 0x7ff -#define MIPS16OP_SH_IMM11 0 -#define MIPS16OP_MASK_RX 0x7 -#define MIPS16OP_SH_RX 8 -#define MIPS16OP_MASK_IMM8 0xff -#define MIPS16OP_SH_IMM8 0 -#define MIPS16OP_MASK_RY 0x7 -#define MIPS16OP_SH_RY 5 -#define MIPS16OP_MASK_IMM5 0x1f -#define MIPS16OP_SH_IMM5 0 -#define MIPS16OP_MASK_RZ 0x7 -#define MIPS16OP_SH_RZ 2 -#define MIPS16OP_MASK_IMM4 0xf -#define MIPS16OP_SH_IMM4 0 -#define MIPS16OP_MASK_REGR32 0x1f -#define MIPS16OP_SH_REGR32 0 -#define MIPS16OP_MASK_REG32R 0x1f -#define MIPS16OP_SH_REG32R 3 -#define MIPS16OP_EXTRACT_REG32R(i) ((((i) >> 5) & 7) | ((i) & 0x18)) -#define MIPS16OP_MASK_MOVE32Z 0x7 -#define MIPS16OP_SH_MOVE32Z 0 -#define MIPS16OP_MASK_IMM6 0x3f -#define MIPS16OP_SH_IMM6 5 - -/* These are the characters which may appears in the args field of a MIPS16 - 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 when disassembling. - - "y" 3 bit register (MIPS16OP_*_RY) - "x" 3 bit register (MIPS16OP_*_RX) - "z" 3 bit register (MIPS16OP_*_RZ) - "Z" 3 bit register (MIPS16OP_*_MOVE32Z) - "v" 3 bit same register as source and destination (MIPS16OP_*_RX) - "w" 3 bit same register as source and destination (MIPS16OP_*_RY) - "0" zero register ($0) - "S" stack pointer ($sp or $29) - "P" program counter - "R" return address register ($ra or $31) - "X" 5 bit MIPS register (MIPS16OP_*_REGR32) - "Y" 5 bit MIPS register (MIPS16OP_*_REG32R) - "6" 6 bit unsigned break code (MIPS16OP_*_IMM6) - "a" 26 bit jump address - "e" 11 bit extension value - "l" register list for entry instruction - "L" register list for exit instruction - - The remaining codes may be extended. Except as otherwise noted, - the full extended operand is a 16 bit signed value. - "<" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 5 bit unsigned) - ">" 3 bit unsigned shift count * 0 (MIPS16OP_*_RX) (full 5 bit unsigned) - "[" 3 bit unsigned shift count * 0 (MIPS16OP_*_RZ) (full 6 bit unsigned) - "]" 3 bit unsigned shift count * 0 (MIPS16OP_*_RX) (full 6 bit unsigned) - "4" 4 bit signed immediate * 0 (MIPS16OP_*_IMM4) (full 15 bit signed) - "5" 5 bit unsigned immediate * 0 (MIPS16OP_*_IMM5) - "H" 5 bit unsigned immediate * 2 (MIPS16OP_*_IMM5) - "W" 5 bit unsigned immediate * 4 (MIPS16OP_*_IMM5) - "D" 5 bit unsigned immediate * 8 (MIPS16OP_*_IMM5) - "j" 5 bit signed immediate * 0 (MIPS16OP_*_IMM5) - "8" 8 bit unsigned immediate * 0 (MIPS16OP_*_IMM8) - "V" 8 bit unsigned immediate * 4 (MIPS16OP_*_IMM8) - "C" 8 bit unsigned immediate * 8 (MIPS16OP_*_IMM8) - "U" 8 bit unsigned immediate * 0 (MIPS16OP_*_IMM8) (full 16 bit unsigned) - "k" 8 bit signed immediate * 0 (MIPS16OP_*_IMM8) - "K" 8 bit signed immediate * 8 (MIPS16OP_*_IMM8) - "p" 8 bit conditional branch address (MIPS16OP_*_IMM8) - "q" 11 bit branch address (MIPS16OP_*_IMM11) - "A" 8 bit PC relative address * 4 (MIPS16OP_*_IMM8) - "B" 5 bit PC relative address * 8 (MIPS16OP_*_IMM5) - "E" 5 bit PC relative address * 4 (MIPS16OP_*_IMM5) - "m" 7 bit register list for save instruction (18 bit extended) - "M" 7 bit register list for restore instruction (18 bit extended) - */ - -/* 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 - -/* For the mips16, we use the same opcode table format and a few of - the same flags. However, most of the flags are different. */ - -/* Modifies the register in MIPS16OP_*_RX. */ -#define MIPS16_INSN_WRITE_X 0x00000001 -/* Modifies the register in MIPS16OP_*_RY. */ -#define MIPS16_INSN_WRITE_Y 0x00000002 -/* Modifies the register in MIPS16OP_*_RZ. */ -#define MIPS16_INSN_WRITE_Z 0x00000004 -/* Modifies the T ($24) register. */ -#define MIPS16_INSN_WRITE_T 0x00000008 -/* Modifies the SP ($29) register. */ -#define MIPS16_INSN_WRITE_SP 0x00000010 -/* Modifies the RA ($31) register. */ -#define MIPS16_INSN_WRITE_31 0x00000020 -/* Modifies the general purpose register in MIPS16OP_*_REG32R. */ -#define MIPS16_INSN_WRITE_GPR_Y 0x00000040 -/* Reads the register in MIPS16OP_*_RX. */ -#define MIPS16_INSN_READ_X 0x00000080 -/* Reads the register in MIPS16OP_*_RY. */ -#define MIPS16_INSN_READ_Y 0x00000100 -/* Reads the register in MIPS16OP_*_MOVE32Z. */ -#define MIPS16_INSN_READ_Z 0x00000200 -/* Reads the T ($24) register. */ -#define MIPS16_INSN_READ_T 0x00000400 -/* Reads the SP ($29) register. */ -#define MIPS16_INSN_READ_SP 0x00000800 -/* Reads the RA ($31) register. */ -#define MIPS16_INSN_READ_31 0x00001000 -/* Reads the program counter. */ -#define MIPS16_INSN_READ_PC 0x00002000 -/* Reads the general purpose register in MIPS16OP_*_REGR32. */ -#define MIPS16_INSN_READ_GPR_X 0x00004000 -/* Is an unconditional branch insn. */ -#define MIPS16_INSN_UNCOND_BRANCH 0x00008000 -/* Is a conditional branch insn. */ -#define MIPS16_INSN_COND_BRANCH 0x00010000 - -/* The following flags have the same value for the mips16 opcode - table: - - INSN_ISA3 - - INSN_UNCOND_BRANCH_DELAY - INSN_COND_BRANCH_DELAY - INSN_COND_BRANCH_LIKELY (never used) - INSN_READ_HI - INSN_READ_LO - INSN_WRITE_HI - INSN_WRITE_LO - INSN_TRAP - FP_D (never used) - */ - -extern const struct mips_opcode mips16_opcodes[]; -extern const int bfd_mips16_num_opcodes; - -/* These are the bit masks and shift counts used for the different fields - in the microMIPS instruction formats. No masks are provided for the - fixed portions of an instruction, since they are not needed. */ - -#define MICROMIPSOP_MASK_IMMEDIATE 0xffff -#define MICROMIPSOP_SH_IMMEDIATE 0 -#define MICROMIPSOP_MASK_DELTA 0xffff -#define MICROMIPSOP_SH_DELTA 0 -#define MICROMIPSOP_MASK_CODE10 0x3ff -#define MICROMIPSOP_SH_CODE10 16 /* 10-bit wait code. */ -#define MICROMIPSOP_MASK_TRAP 0xf -#define MICROMIPSOP_SH_TRAP 12 /* 4-bit trap code. */ -#define MICROMIPSOP_MASK_SHAMT 0x1f -#define MICROMIPSOP_SH_SHAMT 11 -#define MICROMIPSOP_MASK_TARGET 0x3ffffff -#define MICROMIPSOP_SH_TARGET 0 -#define MICROMIPSOP_MASK_EXTLSB 0x1f /* "ext" LSB. */ -#define MICROMIPSOP_SH_EXTLSB 6 -#define MICROMIPSOP_MASK_EXTMSBD 0x1f /* "ext" MSBD. */ -#define MICROMIPSOP_SH_EXTMSBD 11 -#define MICROMIPSOP_MASK_INSMSB 0x1f /* "ins" MSB. */ -#define MICROMIPSOP_SH_INSMSB 11 -#define MICROMIPSOP_MASK_CODE 0x3ff -#define MICROMIPSOP_SH_CODE 16 /* 10-bit higher break code. */ -#define MICROMIPSOP_MASK_CODE2 0x3ff -#define MICROMIPSOP_SH_CODE2 6 /* 10-bit lower break code. */ -#define MICROMIPSOP_MASK_CACHE 0x1f -#define MICROMIPSOP_SH_CACHE 21 /* 5-bit cache op. */ -#define MICROMIPSOP_MASK_SEL 0x7 -#define MICROMIPSOP_SH_SEL 11 -#define MICROMIPSOP_MASK_OFFSET12 0xfff -#define MICROMIPSOP_SH_OFFSET12 0 -#define MICROMIPSOP_MASK_3BITPOS 0x7 -#define MICROMIPSOP_SH_3BITPOS 21 -#define MICROMIPSOP_MASK_STYPE 0x1f -#define MICROMIPSOP_SH_STYPE 16 -#define MICROMIPSOP_MASK_OFFSET10 0x3ff -#define MICROMIPSOP_SH_OFFSET10 6 -#define MICROMIPSOP_MASK_RS 0x1f -#define MICROMIPSOP_SH_RS 16 -#define MICROMIPSOP_MASK_RT 0x1f -#define MICROMIPSOP_SH_RT 21 -#define MICROMIPSOP_MASK_RD 0x1f -#define MICROMIPSOP_SH_RD 11 -#define MICROMIPSOP_MASK_FS 0x1f -#define MICROMIPSOP_SH_FS 16 -#define MICROMIPSOP_MASK_FT 0x1f -#define MICROMIPSOP_SH_FT 21 -#define MICROMIPSOP_MASK_FD 0x1f -#define MICROMIPSOP_SH_FD 11 -#define MICROMIPSOP_MASK_FR 0x1f -#define MICROMIPSOP_SH_FR 6 -#define MICROMIPSOP_MASK_RS3 0x1f -#define MICROMIPSOP_SH_RS3 6 -#define MICROMIPSOP_MASK_PREFX 0x1f -#define MICROMIPSOP_SH_PREFX 11 -#define MICROMIPSOP_MASK_BCC 0x7 -#define MICROMIPSOP_SH_BCC 18 -#define MICROMIPSOP_MASK_CCC 0x7 -#define MICROMIPSOP_SH_CCC 13 -#define MICROMIPSOP_MASK_COPZ 0x7fffff -#define MICROMIPSOP_SH_COPZ 3 - -#define MICROMIPSOP_MASK_MB 0x7 -#define MICROMIPSOP_SH_MB 23 -#define MICROMIPSOP_MASK_MC 0x7 -#define MICROMIPSOP_SH_MC 4 -#define MICROMIPSOP_MASK_MD 0x7 -#define MICROMIPSOP_SH_MD 7 -#define MICROMIPSOP_MASK_ME 0x7 -#define MICROMIPSOP_SH_ME 1 -#define MICROMIPSOP_MASK_MF 0x7 -#define MICROMIPSOP_SH_MF 3 -#define MICROMIPSOP_MASK_MG 0x7 -#define MICROMIPSOP_SH_MG 0 -#define MICROMIPSOP_MASK_MH 0x7 -#define MICROMIPSOP_SH_MH 7 -#define MICROMIPSOP_MASK_MI 0x7 -#define MICROMIPSOP_SH_MI 7 -#define MICROMIPSOP_MASK_MJ 0x1f -#define MICROMIPSOP_SH_MJ 0 -#define MICROMIPSOP_MASK_ML 0x7 -#define MICROMIPSOP_SH_ML 4 -#define MICROMIPSOP_MASK_MM 0x7 -#define MICROMIPSOP_SH_MM 1 -#define MICROMIPSOP_MASK_MN 0x7 -#define MICROMIPSOP_SH_MN 4 -#define MICROMIPSOP_MASK_MP 0x1f -#define MICROMIPSOP_SH_MP 5 -#define MICROMIPSOP_MASK_MQ 0x7 -#define MICROMIPSOP_SH_MQ 7 - -#define MICROMIPSOP_MASK_IMMA 0x7f -#define MICROMIPSOP_SH_IMMA 0 -#define MICROMIPSOP_MASK_IMMB 0x7 -#define MICROMIPSOP_SH_IMMB 1 -#define MICROMIPSOP_MASK_IMMC 0xf -#define MICROMIPSOP_SH_IMMC 0 -#define MICROMIPSOP_MASK_IMMD 0x3ff -#define MICROMIPSOP_SH_IMMD 0 -#define MICROMIPSOP_MASK_IMME 0x7f -#define MICROMIPSOP_SH_IMME 0 -#define MICROMIPSOP_MASK_IMMF 0xf -#define MICROMIPSOP_SH_IMMF 0 -#define MICROMIPSOP_MASK_IMMG 0xf -#define MICROMIPSOP_SH_IMMG 0 -#define MICROMIPSOP_MASK_IMMH 0xf -#define MICROMIPSOP_SH_IMMH 0 -#define MICROMIPSOP_MASK_IMMI 0x7f -#define MICROMIPSOP_SH_IMMI 0 -#define MICROMIPSOP_MASK_IMMJ 0xf -#define MICROMIPSOP_SH_IMMJ 0 -#define MICROMIPSOP_MASK_IMML 0xf -#define MICROMIPSOP_SH_IMML 0 -#define MICROMIPSOP_MASK_IMMM 0x7 -#define MICROMIPSOP_SH_IMMM 1 -#define MICROMIPSOP_MASK_IMMN 0x3 -#define MICROMIPSOP_SH_IMMN 4 -#define MICROMIPSOP_MASK_IMMO 0xf -#define MICROMIPSOP_SH_IMMO 0 -#define MICROMIPSOP_MASK_IMMP 0x1f -#define MICROMIPSOP_SH_IMMP 0 -#define MICROMIPSOP_MASK_IMMQ 0x7fffff -#define MICROMIPSOP_SH_IMMQ 0 -#define MICROMIPSOP_MASK_IMMU 0x1f -#define MICROMIPSOP_SH_IMMU 0 -#define MICROMIPSOP_MASK_IMMW 0x3f -#define MICROMIPSOP_SH_IMMW 1 -#define MICROMIPSOP_MASK_IMMX 0xf -#define MICROMIPSOP_SH_IMMX 1 -#define MICROMIPSOP_MASK_IMMY 0x1ff -#define MICROMIPSOP_SH_IMMY 1 - -/* Placeholders for fields that only exist in the traditional 32-bit - instruction encoding; see the comment above for details. */ -#define MICROMIPSOP_MASK_CODE20 0 -#define MICROMIPSOP_SH_CODE20 0 -#define MICROMIPSOP_MASK_PERFREG 0 -#define MICROMIPSOP_SH_PERFREG 0 -#define MICROMIPSOP_MASK_CODE19 0 -#define MICROMIPSOP_SH_CODE19 0 -#define MICROMIPSOP_MASK_ALN 0 -#define MICROMIPSOP_SH_ALN 0 -#define MICROMIPSOP_MASK_VECBYTE 0 -#define MICROMIPSOP_SH_VECBYTE 0 -#define MICROMIPSOP_MASK_VECALIGN 0 -#define MICROMIPSOP_SH_VECALIGN 0 -#define MICROMIPSOP_MASK_DSPACC 0 -#define MICROMIPSOP_SH_DSPACC 0 -#define MICROMIPSOP_MASK_DSPACC_S 0 -#define MICROMIPSOP_SH_DSPACC_S 0 -#define MICROMIPSOP_MASK_DSPSFT 0 -#define MICROMIPSOP_SH_DSPSFT 0 -#define MICROMIPSOP_MASK_DSPSFT_7 0 -#define MICROMIPSOP_SH_DSPSFT_7 0 -#define MICROMIPSOP_MASK_SA3 0 -#define MICROMIPSOP_SH_SA3 0 -#define MICROMIPSOP_MASK_SA4 0 -#define MICROMIPSOP_SH_SA4 0 -#define MICROMIPSOP_MASK_IMM8 0 -#define MICROMIPSOP_SH_IMM8 0 -#define MICROMIPSOP_MASK_IMM10 0 -#define MICROMIPSOP_SH_IMM10 0 -#define MICROMIPSOP_MASK_WRDSP 0 -#define MICROMIPSOP_SH_WRDSP 0 -#define MICROMIPSOP_MASK_RDDSP 0 -#define MICROMIPSOP_SH_RDDSP 0 -#define MICROMIPSOP_MASK_BP 0 -#define MICROMIPSOP_SH_BP 0 -#define MICROMIPSOP_MASK_MT_U 0 -#define MICROMIPSOP_SH_MT_U 0 -#define MICROMIPSOP_MASK_MT_H 0 -#define MICROMIPSOP_SH_MT_H 0 -#define MICROMIPSOP_MASK_MTACC_T 0 -#define MICROMIPSOP_SH_MTACC_T 0 -#define MICROMIPSOP_MASK_MTACC_D 0 -#define MICROMIPSOP_SH_MTACC_D 0 -#define MICROMIPSOP_MASK_BBITIND 0 -#define MICROMIPSOP_SH_BBITIND 0 -#define MICROMIPSOP_MASK_CINSPOS 0 -#define MICROMIPSOP_SH_CINSPOS 0 -#define MICROMIPSOP_MASK_CINSLM1 0 -#define MICROMIPSOP_SH_CINSLM1 0 -#define MICROMIPSOP_MASK_SEQI 0 -#define MICROMIPSOP_SH_SEQI 0 -#define MICROMIPSOP_SH_OFFSET_A 0 -#define MICROMIPSOP_MASK_OFFSET_A 0 -#define MICROMIPSOP_SH_OFFSET_B 0 -#define MICROMIPSOP_MASK_OFFSET_B 0 -#define MICROMIPSOP_SH_OFFSET_C 0 -#define MICROMIPSOP_MASK_OFFSET_C 0 -#define MICROMIPSOP_SH_RZ 0 -#define MICROMIPSOP_MASK_RZ 0 -#define MICROMIPSOP_SH_FZ 0 -#define MICROMIPSOP_MASK_FZ 0 - -/* These are the characters which may appears in the args field of a microMIPS - 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 - when disassembling. - - The followings are for 16-bit microMIPS instructions. - - "ma" must be $28 - "mc" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MC) at bit 4 - The same register used as both source and target. - "md" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MD) at bit 7 - "me" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_ME) at bit 1 - The same register used as both source and target. - "mf" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MF) at bit 3 - "mg" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MG) at bit 0 - "mh" MIPS registers 4, 5, 6 (MICROMIPSOP_*_MH) at bit 7 - "mi" MIPS registers 5, 6, 7, 21, 22 (MICROMIPSOP_*_MI) at bit 7 - ("mh" and "mi" form a valid 3-bit register pair) - "mj" 5-bit MIPS registers (MICROMIPSOP_*_MJ) at bit 0 - "ml" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_ML) at bit 4 - "mm" 3-bit MIPS registers 0, 2, 3, 16-20 (MICROMIPSOP_*_MM) at bit 1 - "mn" 3-bit MIPS registers 0, 2, 3, 16-20 (MICROMIPSOP_*_MN) at bit 4 - "mp" 5-bit MIPS registers (MICROMIPSOP_*_MP) at bit 5 - "mq" 3-bit MIPS registers 0, 2-7, 17 (MICROMIPSOP_*_MQ) at bit 7 - "mr" must be program counter - "ms" must be $29 - "mt" must be the same as the previous register - "mx" must be the same as the destination register - "my" must be $31 - "mz" must be $0 - - "mA" 7-bit immediate (-64 .. 63) << 2 (MICROMIPSOP_*_IMMA) - "mB" 3-bit immediate (-1, 1, 4, 8, 12, 16, 20, 24) (MICROMIPSOP_*_IMMB) - "mC" 4-bit immediate (1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 128, 255, - 32768, 65535) (MICROMIPSOP_*_IMMC) - "mD" 10-bit branch address (-512 .. 511) << 1 (MICROMIPSOP_*_IMMD) - "mE" 7-bit branch address (-64 .. 63) << 1 (MICROMIPSOP_*_IMME) - "mF" 4-bit immediate (0 .. 15) (MICROMIPSOP_*_IMMF) - "mG" 4-bit immediate (-1 .. 14) (MICROMIPSOP_*_IMMG) - "mH" 4-bit immediate (0 .. 15) << 1 (MICROMIPSOP_*_IMMH) - "mI" 7-bit immediate (-1 .. 126) (MICROMIPSOP_*_IMMI) - "mJ" 4-bit immediate (0 .. 15) << 2 (MICROMIPSOP_*_IMMJ) - "mL" 4-bit immediate (0 .. 15) (MICROMIPSOP_*_IMML) - "mM" 3-bit immediate (1 .. 8) (MICROMIPSOP_*_IMMM) - "mN" 2-bit immediate (0 .. 3) for register list (MICROMIPSOP_*_IMMN) - "mO" 4-bit immediate (0 .. 15) (MICROMIPSOP_*_IMML) - "mP" 5-bit immediate (0 .. 31) << 2 (MICROMIPSOP_*_IMMP) - "mU" 5-bit immediate (0 .. 31) << 2 (MICROMIPSOP_*_IMMU) - "mW" 6-bit immediate (0 .. 63) << 2 (MICROMIPSOP_*_IMMW) - "mX" 4-bit immediate (-8 .. 7) (MICROMIPSOP_*_IMMX) - "mY" 9-bit immediate (-258 .. -3, 2 .. 257) << 2 (MICROMIPSOP_*_IMMY) - "mZ" must be zero - - In most cases 32-bit microMIPS instructions use the same characters - as MIPS (with ADDIUPC being a notable exception, but there are some - others too). - - "." 10-bit signed offset/number (MICROMIPSOP_*_OFFSET10) - "1" 5-bit sync type (MICROMIPSOP_*_SHAMT) - "<" 5-bit shift amount (MICROMIPSOP_*_SHAMT) - ">" shift amount between 32 and 63, stored after subtracting 32 - (MICROMIPSOP_*_SHAMT) - "\" 3-bit position for ASET and ACLR (MICROMIPSOP_*_3BITPOS) - "|" 4-bit trap code (MICROMIPSOP_*_TRAP) - "~" 12-bit signed offset (MICROMIPSOP_*_OFFSET12) - "a" 26-bit target address (MICROMIPSOP_*_TARGET) - "b" 5-bit base register (MICROMIPSOP_*_RS) - "c" 10-bit higher breakpoint code (MICROMIPSOP_*_CODE) - "d" 5-bit destination register specifier (MICROMIPSOP_*_RD) - "h" 5-bit PREFX hint (MICROMIPSOP_*_PREFX) - "i" 16-bit unsigned immediate (MICROMIPSOP_*_IMMEDIATE) - "j" 16-bit signed immediate (MICROMIPSOP_*_DELTA) - "k" 5-bit cache opcode in target register position (MICROMIPSOP_*_CACHE) - "n" register list for 32-bit LWM/SWM instruction (MICROMIPSOP_*_RT) - "o" 16-bit signed offset (MICROMIPSOP_*_DELTA) - "p" 16-bit PC-relative branch target address (MICROMIPSOP_*_DELTA) - "q" 10-bit lower breakpoint code (MICROMIPSOP_*_CODE2) - "r" 5-bit same register used as both source and target (MICROMIPSOP_*_RS) - "s" 5-bit source register specifier (MICROMIPSOP_*_RS) - "t" 5-bit target register (MICROMIPSOP_*_RT) - "u" 16-bit upper 16 bits of address (MICROMIPSOP_*_IMMEDIATE) - "v" 5-bit same register used as both source and destination - (MICROMIPSOP_*_RS) - "w" 5-bit same register used as both target and destination - (MICROMIPSOP_*_RT) - "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" 8-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 - LSB (MICROMIPSOP_*_EXTLSB). - Enforces: 0 <= pos < 32. - "+B" 5-bit INS/DINS size, which becomes MSB (MICROMIPSOP_*_INSMSB). - Requires that "+A" or "+E" occur first to set position. - Enforces: 0 < (pos+size) <= 32. - "+C" 5-bit EXT/DEXT size, which becomes MSBD (MICROMIPSOP_*_EXTMSBD). - Requires that "+A" or "+E" occur first to set position. - Enforces: 0 < (pos+size) <= 32. - (Also used by DEXT w/ different limits, but limits for - that are checked by the M_DEXT macro.) - "+E" 5-bit DINSU/DEXTU position, which becomes LSB-32 (MICROMIPSOP_*_EXTLSB). - Enforces: 32 <= pos < 64. - "+F" 5-bit DINSM/DINSU size, which becomes MSB-32 (MICROMIPSOP_*_INSMSB). - Requires that "+A" or "+E" occur first to set position. - Enforces: 32 < (pos+size) <= 64. - "+G" 5-bit DEXTM size, which becomes MSBD-32 (MICROMIPSOP_*_EXTMSBD). - Requires that "+A" or "+E" occur first to set position. - Enforces: 32 < (pos+size) <= 64. - "+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. - - PC-relative addition (ADDIUPC) instruction: - "mQ" 23-bit offset (-4194304 .. 4194303) << 2 (MICROMIPSOP_*_IMMQ) - "mb" 3-bit MIPS registers 2-7, 16, 17 (MICROMIPSOP_*_MB) at bit 23 - - Floating point instructions: - "D" 5-bit destination register (MICROMIPSOP_*_FD) - "M" 3-bit compare condition code (MICROMIPSOP_*_CCC) - "N" 3-bit branch condition code (MICROMIPSOP_*_BCC) - "R" 5-bit fr source 3 register (MICROMIPSOP_*_FR) - "S" 5-bit fs source 1 register (MICROMIPSOP_*_FS) - "T" 5-bit ft source 2 register (MICROMIPSOP_*_FT) - "V" 5-bit same register used as floating source and destination or target - (MICROMIPSOP_*_FS) - - Coprocessor instructions: - "E" 5-bit target register (MICROMIPSOP_*_RT) - "G" 5-bit destination register (MICROMIPSOP_*_RD) - "H" 3-bit sel field for (D)MTC* and (D)MFC* (MICROMIPSOP_*_SEL) - "+D" combined destination register ("G") and sel ("H") for CP0 ops, - for pretty-printing in disassembly only - - 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 - "l" 32-bit floating point constant in .lit4 - - Other: - "()" parens surrounding optional value - "," separates operands - "+" start of extension sequence - "m" start of microMIPS extension sequence - - Characters used so far, for quick reference when adding more: - "1234567890" - "<>(),+.\|~" - "ABCDEFGHI KLMN RST V " - "abcd f hijklmnopqrstuvw yz" - - Extension character sequences used so far ("+" followed by the - following), for quick reference when adding more: - "" - "" - "ABCDEFGHI" - "" - - 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" -*/ - -extern const struct mips_opcode micromips_opcodes[]; -extern const int bfd_micromips_num_opcodes; - -/* A NOP insn impemented as "or at,at,zero". - Used to implement -mfix-loongson2f. */ -#define LOONGSON2F_NOP_INSN 0x00200825 - -#endif /* _MIPS_H_ */ |