1 import collections
as _collections
3 import dataclasses
as _dataclasses
5 import functools
as _functools
7 import pathlib
as _pathlib
11 from functools
import cached_property
13 from cached_property
import cached_property
15 from openpower
.decoder
.power_enums
import (
16 Function
as _Function
,
23 CROutSel
as _CROutSel
,
25 LDSTMode
as _LDSTMode
,
34 SVExtraRegType
as _SVExtraRegType
,
35 SVExtraReg
as _SVExtraReg
,
37 from openpower
.decoder
.selectable_int
import (
38 SelectableInt
as _SelectableInt
,
39 selectconcat
as _selectconcat
,
41 from openpower
.decoder
.power_fields
import (
45 DecodeFields
as _DecodeFields
,
47 from openpower
.decoder
.pseudo
.pagereader
import ISA
as _ISA
50 def dataclass(cls
, record
, keymap
=None, typemap
=None):
54 typemap
= {field
.name
:field
.type for field
in _dataclasses
.fields(cls
)}
56 def transform(key_value
):
57 (key
, value
) = key_value
58 key
= keymap
.get(key
, key
)
59 hook
= typemap
.get(key
, lambda value
: value
)
60 if hook
is bool and value
in ("", "0"):
66 record
= dict(map(transform
, record
.items()))
67 for key
in frozenset(record
.keys()):
74 @_functools.total_ordering
75 @_dataclasses.dataclass(eq
=True, frozen
=True)
79 if self
.bit_length() <= 32:
80 return f
"0x{self:08x}"
82 return f
"0x{self:016x}"
86 if self
.bit_length() <= 32:
87 return f
"0x{self:08x}"
89 return f
"0x{self:016x}"
94 def __lt__(self
, other
):
95 if not isinstance(other
, Opcode
):
97 return ((self
.value
, self
.mask
) < (other
.value
, other
.mask
))
99 def __post_init__(self
):
100 (value
, mask
) = (self
.value
, self
.mask
)
102 if isinstance(value
, Opcode
):
104 raise ValueError(mask
)
105 (value
, mask
) = (value
.value
, value
.mask
)
106 elif isinstance(value
, str):
108 raise ValueError(mask
)
109 value
= int(value
, 0)
111 if not isinstance(value
, int):
112 raise ValueError(value
)
115 if not isinstance(mask
, int):
116 raise ValueError(mask
)
118 object.__setattr
__(self
, "value", self
.__class
__.Value(value
))
119 object.__setattr
__(self
, "mask", self
.__class
__.Mask(mask
))
122 class IntegerOpcode(Opcode
):
123 def __init__(self
, value
):
124 if isinstance(value
, str):
125 value
= int(value
, 0)
126 return super().__init
__(value
=value
, mask
=None)
129 class PatternOpcode(Opcode
):
130 def __init__(self
, value
):
131 (pattern
, value
, mask
) = (value
, 0, 0)
133 for symbol
in pattern
:
134 if symbol
not in {"0", "1", "-"}:
135 raise ValueError(pattern
)
136 value |
= (symbol
== "1")
137 mask |
= (symbol
!= "-")
143 return super().__init
__(value
=value
, mask
=mask
)
146 class FieldsOpcode(Opcode
):
147 def __init__(self
, fields
):
148 def field(opcode
, field
):
149 (value
, mask
) = opcode
150 (field
, bits
) = field
151 shifts
= map(lambda bit
: (31 - bit
), reversed(tuple(bits
)))
152 for (index
, shift
) in enumerate(shifts
):
153 bit
= ((field
& (1 << index
)) != 0)
154 value |
= (bit
<< shift
)
158 (value
, mask
) = _functools
.reduce(field
, fields
, (0, 0))
160 return super().__init
__(value
=value
, mask
=mask
)
163 @_dataclasses.dataclass(eq
=True, frozen
=True)
165 class FlagsMeta(type):
180 class Flags(frozenset, metaclass
=FlagsMeta
):
181 def __new__(cls
, flags
=frozenset()):
182 flags
= frozenset(flags
)
183 diff
= (flags
- frozenset(cls
))
185 raise ValueError(flags
)
186 return super().__new
__(cls
, flags
)
190 flags
: Flags
= Flags()
192 function
: _Function
= _Function
.NONE
193 intop
: _MicrOp
= _MicrOp
.OP_ILLEGAL
194 in1
: _In1Sel
= _In1Sel
.RA
195 in2
: _In2Sel
= _In2Sel
.NONE
196 in3
: _In3Sel
= _In3Sel
.NONE
197 out
: _OutSel
= _OutSel
.NONE
198 cr_in
: _CRInSel
= _CRInSel
.NONE
199 cr_out
: _CROutSel
= _CROutSel
.NONE
200 cry_in
: _CryIn
= _CryIn
.ZERO
201 ldst_len
: _LDSTLen
= _LDSTLen
.NONE
202 upd
: _LDSTMode
= _LDSTMode
.NONE
203 Rc
: _RCOE
= _RCOE
.NONE
204 form
: _Form
= _Form
.NONE
206 unofficial
: bool = False
210 "internal op": "intop",
214 "ldst len": "ldst_len",
216 "CONDITIONS": "conditions",
220 def CSV(cls
, record
, opcode_cls
=Opcode
):
221 typemap
= {field
.name
:field
.type for field
in _dataclasses
.fields(cls
)}
222 typemap
["opcode"] = opcode_cls
225 for flag
in frozenset(PPCRecord
.Flags
):
226 if bool(record
.pop(flag
, "")):
228 record
["flags"] = PPCRecord
.Flags(flags
)
230 return dataclass(cls
, record
, keymap
=PPCRecord
.__KEYMAP
, typemap
=typemap
)
234 return frozenset(self
.comment
.split("=")[-1].split("/"))
237 @_dataclasses.dataclass(eq
=True, frozen
=True)
239 class ExtraMap(tuple):
241 @_dataclasses.dataclass(eq
=True, frozen
=True)
243 regtype
: _SVExtraRegType
= _SVExtraRegType
.NONE
244 reg
: _SVExtraReg
= _SVExtraReg
.NONE
247 return f
"{self.regtype.value}:{self.reg.name}"
249 def __new__(cls
, value
="0"):
250 if isinstance(value
, str):
251 def transform(value
):
252 (regtype
, reg
) = value
.split(":")
253 regtype
= _SVExtraRegType(regtype
)
254 reg
= _SVExtraReg(reg
)
255 return cls
.Entry(regtype
=regtype
, reg
=reg
)
260 value
= map(transform
, value
.split(";"))
262 return super().__new
__(cls
, value
)
265 return repr(list(self
))
267 def __new__(cls
, value
=tuple()):
271 return super().__new
__(cls
, map(cls
.Extra
, value
))
274 return repr({index
:self
[index
] for index
in range(0, 4)})
277 ptype
: _SVPtype
= _SVPtype
.NONE
278 etype
: _SVEtype
= _SVEtype
.NONE
279 in1
: _In1Sel
= _In1Sel
.NONE
280 in2
: _In2Sel
= _In2Sel
.NONE
281 in3
: _In3Sel
= _In3Sel
.NONE
282 out
: _OutSel
= _OutSel
.NONE
283 out2
: _OutSel
= _OutSel
.NONE
284 cr_in
: _CRInSel
= _CRInSel
.NONE
285 cr_out
: _CROutSel
= _CROutSel
.NONE
286 extra
: ExtraMap
= ExtraMap()
288 mode
: _SVMode
= _SVMode
.NORMAL
292 "CONDITIONS": "conditions",
300 def CSV(cls
, record
):
301 for key
in ("in1", "in2", "in3", "out", "out2", "CR in", "CR out"):
306 record
["extra"] = cls
.ExtraMap(record
.pop(f
"{index}") for index
in range(0, 4))
308 return dataclass(cls
, record
, keymap
=cls
.__KEYMAP
)
312 def __init__(self
, value
=(0, 32)):
313 if isinstance(value
, str):
314 (start
, end
) = map(int, value
.split(":"))
317 if start
< 0 or end
< 0 or start
>= end
:
318 raise ValueError(value
)
323 return super().__init
__()
326 return f
"[{self.__start}:{self.__end}]"
329 yield from range(self
.start
, (self
.end
+ 1))
340 @_dataclasses.dataclass(eq
=True, frozen
=True)
342 class Mode(_enum
.Enum
):
343 INTEGER
= _enum
.auto()
344 PATTERN
= _enum
.auto()
347 def _missing_(cls
, value
):
348 if isinstance(value
, str):
349 return cls
[value
.upper()]
350 return super()._missing
_(value
)
353 def __new__(cls
, value
=None):
354 if isinstance(value
, str):
355 if value
.upper() == "NONE":
358 value
= int(value
, 0)
362 return super().__new
__(cls
, value
)
368 return (bin(self
) if self
else "None")
377 def CSV(cls
, record
):
378 return dataclass(cls
, record
)
382 def __init__(self
, items
):
383 if isinstance(items
, dict):
384 items
= items
.items()
387 (name
, bitrange
) = item
388 return (name
, tuple(bitrange
.values()))
390 self
.__mapping
= dict(map(transform
, items
))
392 return super().__init
__()
395 return repr(self
.__mapping
)
398 yield from self
.__mapping
.items()
400 def __contains__(self
, key
):
401 return self
.__mapping
.__contains
__(key
)
403 def __getitem__(self
, key
):
404 return self
.__mapping
.get(key
, None)
408 @_dataclasses.dataclass(eq
=True, frozen
=True)
412 def disassemble(self
, value
, record
):
413 raise NotImplementedError
415 @_dataclasses.dataclass(eq
=True, frozen
=True)
416 class DynamicOperand(Operand
):
417 def disassemble(self
, value
, record
):
418 return str(int(value
[record
.fields
[self
.name
]]))
420 @_dataclasses.dataclass(eq
=True, frozen
=True)
421 class StaticOperand(Operand
):
424 @_dataclasses.dataclass(eq
=True, frozen
=True)
425 class DynamicOperandIFormLI(DynamicOperand
):
426 def disassemble(self
, value
, record
):
427 return hex(int(_selectconcat(
428 value
[record
.fields
["LI"]],
429 _SelectableInt(value
=0b00, bits
=2))))
431 class DynamicOperandBFormBD(DynamicOperand
):
432 def disassemble(self
, value
, record
):
433 return hex(int(_selectconcat(
434 value
[record
.fields
["BD"]],
435 _SelectableInt(value
=0b00, bits
=2))))
437 @_dataclasses.dataclass(eq
=True, frozen
=True)
438 class DynamicOperandGPR(DynamicOperand
):
439 def disassemble(self
, value
, record
):
440 return f
"r{super().disassemble(value=value, record=record)}"
442 @_dataclasses.dataclass(eq
=True, frozen
=True)
443 class DynamicOperandFPR(DynamicOperand
):
444 def disassemble(self
, value
, record
):
445 return f
"f{super().disassemble(value=value, record=record)}"
447 def __init__(self
, insn
, iterable
):
449 "b": {"LI": self
.__class
__.DynamicOperandIFormLI
},
450 "ba": {"LI": self
.__class
__.DynamicOperandIFormLI
},
451 "bl": {"LI": self
.__class
__.DynamicOperandIFormLI
},
452 "bla": {"LI": self
.__class
__.DynamicOperandIFormLI
},
453 "bc": {"BD": self
.__class
__.DynamicOperandBFormBD
},
454 "bca": {"BD": self
.__class
__.DynamicOperandBFormBD
},
455 "bcl": {"BD": self
.__class
__.DynamicOperandBFormBD
},
456 "bcla": {"BD": self
.__class
__.DynamicOperandBFormBD
},
460 for operand
in iterable
:
461 dynamic_cls
= self
.__class
__.DynamicOperand
462 static_cls
= self
.__class
__.StaticOperand
465 (name
, value
) = operand
.split("=")
466 operand
= static_cls(name
=name
, value
=int(value
))
468 if insn
in branches
and operand
in branches
[insn
]:
469 dynamic_cls
= branches
[insn
][operand
]
471 if operand
in _RegType
.__members
__:
472 regtype
= _RegType
[operand
]
473 if regtype
is _RegType
.GPR
:
474 dynamic_cls
= self
.__class
__.DynamicOperandGPR
475 elif regtype
is _RegType
.FPR
:
476 dynamic_cls
= self
.__class
__.DynamicOperandFPR
478 operand
= dynamic_cls(name
=operand
)
480 operands
.append(operand
)
482 self
.__operands
= operands
484 return super().__init
__()
487 return self
.__operands
.__repr
__()
490 yield from self
.__operands
492 def __contains__(self
, key
):
493 return self
.__getitem
__(key
) is not None
495 def __getitem__(self
, key
):
496 for operand
in self
.__operands
:
497 if operand
.name
== key
:
505 if isinstance(operand
, self
.__class
__.DynamicOperand
):
511 if isinstance(operand
, self
.__class
__.StaticOperand
):
515 @_functools.total_ordering
516 @_dataclasses.dataclass(eq
=True, frozen
=True)
523 svp64
: SVP64Record
= None
532 def __lt__(self
, other
):
533 if not isinstance(other
, Record
):
534 return NotImplemented
535 return (self
.opcode
< other
.opcode
)
540 if self
.section
.opcode
:
541 fields
+= [(self
.section
.opcode
.value
, BitSel((0, 5)))]
542 fields
+= [(self
.ppc
.opcode
.value
, self
.section
.bitsel
)]
544 fields
+= [(self
.ppc
.opcode
.value
, self
.section
.bitsel
)]
546 for operand
in self
.operands
.static
:
547 fields
+= [(operand
.value
, self
.fields
[operand
.name
])]
549 return FieldsOpcode(fields
)
553 return self
.ppc
.function
573 if self
.svp64
is None:
579 return self
.ppc
.cr_in
583 return self
.ppc
.cr_out
585 def sv_extra(self
, key
):
586 if key
not in frozenset({
587 "in1", "in2", "in3", "cr_in",
588 "out", "out2", "cr_out",
592 sel
= getattr(self
.svp64
, key
)
593 if sel
is _CRInSel
.BA_BB
:
594 return _SVExtra
.Idx_1_2
595 reg
= _SVExtraReg(sel
)
596 if reg
is _SVExtraReg
.NONE
:
600 _SVExtraRegType
.SRC
: {},
601 _SVExtraRegType
.DST
: {},
603 for index
in range(0, 4):
604 for entry
in self
.svp64
.extra
[index
]:
605 extra_map
[entry
.regtype
][entry
.reg
] = Record
.__EXTRA
[index
]
607 for regtype
in (_SVExtraRegType
.SRC
, _SVExtraRegType
.DST
):
608 extra
= extra_map
[regtype
].get(reg
, _SVExtra
.NONE
)
609 if extra
is not _SVExtra
.NONE
:
614 sv_in1
= property(_functools
.partial(sv_extra
, key
="in1"))
615 sv_in2
= property(_functools
.partial(sv_extra
, key
="in2"))
616 sv_in3
= property(_functools
.partial(sv_extra
, key
="in3"))
617 sv_out
= property(_functools
.partial(sv_extra
, key
="out"))
618 sv_out2
= property(_functools
.partial(sv_extra
, key
="out2"))
619 sv_cr_in
= property(_functools
.partial(sv_extra
, key
="cr_in"))
620 sv_cr_out
= property(_functools
.partial(sv_extra
, key
="cr_out"))
624 if self
.svp64
is None:
626 return self
.svp64
.ptype
630 if self
.svp64
is None:
632 return self
.svp64
.etype
635 class Instruction(_Mapping
):
637 def integer(cls
, value
=0, bits
=None, byteorder
="little"):
638 if isinstance(value
, (int, bytes
)) and not isinstance(bits
, int):
639 raise ValueError(bits
)
641 if isinstance(value
, bytes
):
642 if ((len(value
) * 8) != bits
):
643 raise ValueError(f
"bit length mismatch")
644 value
= int.from_bytes(value
, byteorder
=byteorder
)
646 if isinstance(value
, int):
647 value
= _SelectableInt(value
=value
, bits
=bits
)
648 elif isinstance(value
, Instruction
):
649 value
= value
.storage
651 if not isinstance(value
, _SelectableInt
):
652 raise ValueError(value
)
655 if len(value
) != bits
:
656 raise ValueError(value
)
658 value
= _SelectableInt(value
=value
, bits
=bits
)
660 return cls(storage
=value
)
663 return hash(int(self
))
665 def disassemble(self
, db
, byteorder
="little"):
666 raise NotImplementedError
669 class WordInstruction(Instruction
):
670 _
: _Field
= range(0, 32)
671 po
: _Field
= range(0, 6)
674 def integer(cls
, value
, byteorder
="little"):
675 return super().integer(bits
=32, value
=value
, byteorder
=byteorder
)
677 def disassemble(self
, db
, byteorder
="little"):
679 blob
= integer
.to_bytes(length
=4, byteorder
=byteorder
)
680 blob
= " ".join(map(lambda byte
: f
"{byte:02x}", blob
))
684 yield f
"{blob} .long 0x{integer:08x}"
688 for operand
in record
.operands
.dynamic
:
689 operand
= operand
.disassemble(self
, record
)
690 operands
.append(operand
)
692 operands
= ",".join(operands
)
693 operands
= f
" {operands}"
697 yield f
"{blob} {record.name}{operands}"
699 class PrefixedInstruction(Instruction
):
700 class Prefix(WordInstruction
.remap(range(0, 32))):
703 class Suffix(WordInstruction
.remap(range(32, 64))):
706 _
: _Field
= range(64)
712 def integer(cls
, value
, byteorder
="little"):
713 return super().integer(bits
=64, value
=value
, byteorder
=byteorder
)
716 def pair(cls
, prefix
=0, suffix
=0, byteorder
="little"):
717 def transform(value
):
718 return WordInstruction
.integer(value
=value
,
719 byteorder
=byteorder
)[0:32]
721 (prefix
, suffix
) = map(transform
, (prefix
, suffix
))
722 value
= _selectconcat(prefix
, suffix
)
724 return super().integer(value
=value
)
727 class Mode(_Mapping
):
728 _
: _Field
= range(0, 5)
729 sel
: _Field
= range(0, 2)
732 class NormalMode(Mode
):
739 """scalar reduce mode (mapreduce), SUBVL=1"""
743 """parallel reduce mode (mapreduce), SUBVL=1"""
747 """subvector reduce mode, SUBVL>1"""
751 """Pack/Unpack mode, SUBVL>1"""
755 """Rc=1: ffirst CR sel"""
760 """Rc=0: ffirst z/nonz"""
766 """sat mode: N=0/1 u/s, SUBVL=1"""
772 """sat mode: N=0/1 u/s, SUBVL>1"""
779 """Pack/Unpack sat mode: N=0/1 u/s, SUBVL>1"""
786 """Rc=1: pred-result CR sel"""
791 """Rc=0: pred-result z/nonz"""
812 class LDSTImmMode(Mode
):
821 """Structured Pack/Unpack"""
828 """Rc=1: ffirst CR sel"""
833 """Rc=0: ffirst z/nonz"""
839 """sat mode: N=0/1 u/s"""
847 """Rc=1: pred-result CR sel"""
852 """Rc=0: pred-result z/nonz"""
866 class LDSTIdxMode(Mode
):
874 """strided (scalar only source)"""
880 """sat mode: N=0/1 u/s"""
886 """Rc=1: pred-result CR sel"""
891 """Rc=0: pred-result z/nonz"""
908 ldst_imm
: LDSTImmMode
909 ldst_idx
: LDSTIdxMode
911 _
: _Field
= range(24)
913 mask
: _Field
= range(1, 4)
914 elwidth
: _Field
= range(4, 6)
915 ewsrc
: _Field
= range(6, 8)
916 subvl
: _Field
= range(8, 10)
917 extra
: _Field
= range(10, 19)
918 mode
: Mode
.remap(range(19, 24))
919 extra2
: _Array
[4] = (
925 smask
: _Field
= range(16, 19)
926 extra3
: _Array
[3] = (
933 class SVP64Instruction(PrefixedInstruction
):
934 """SVP64 instruction: https://libre-soc.org/openpower/sv/svp64/"""
935 class Prefix(PrefixedInstruction
.Prefix
):
937 rm
: RM
.remap((6, 8) + tuple(range(10, 32)))
941 def disassemble(self
, db
, byteorder
="little"):
942 integer_prefix
= int(self
.prefix
)
943 blob_prefix
= integer_prefix
.to_bytes(length
=4, byteorder
=byteorder
)
944 blob_prefix
= " ".join(map(lambda byte
: f
"{byte:02x}", blob_prefix
))
946 integer_suffix
= int(self
.suffix
)
947 blob_suffix
= integer_suffix
.to_bytes(length
=4, byteorder
=byteorder
)
948 blob_suffix
= " ".join(map(lambda byte
: f
"{byte:02x}", blob_suffix
))
950 record
= db
[self
.suffix
]
951 if record
is None or record
.svp64
is None:
952 yield f
"{blob_prefix} .long 0x{int(self.prefix):08x}"
953 yield f
"{blob_suffix} .long 0x{int(self.suffix):08x}"
957 if record
.operands
["Rc"] is not None:
958 Rc
= bool(self
[record
.fields
["Rc"]])
960 subvl
= self
.prefix
.rm
.subvl
961 mode
= self
.prefix
.rm
.mode
964 if record
.svp64
.mode
is _SVMode
.NORMAL
:
998 elif record
.svp64
.mode
is _SVMode
.LDST_IMM
:
1017 elif record
.svp64
.mode
is _SVMode
.LDST_IMM
:
1018 mode
= mode
.ldst_idx
1019 if mode
.sel
== 0b00:
1021 elif mode
.sel
== 0b01:
1023 elif mode
.sel
== 0b10:
1025 elif mode
.sel
== 0b11:
1031 if type(mode
) is Mode
:
1032 raise NotImplementedError
1034 yield f
"{blob_prefix} sv.{record.name}"
1035 yield f
"{blob_suffix}"
1038 def parse(stream
, factory
):
1039 lines
= filter(lambda line
: not line
.strip().startswith("#"), stream
)
1040 entries
= _csv
.DictReader(lines
)
1041 entries
= filter(lambda entry
: "TODO" not in frozenset(entry
.values()), entries
)
1042 return tuple(map(factory
, entries
))
1045 class MarkdownDatabase
:
1048 for (name
, desc
) in _ISA():
1051 (dynamic
, *static
) = desc
.regs
1052 operands
.extend(dynamic
)
1053 operands
.extend(static
)
1054 db
[name
] = Operands(insn
=name
, iterable
=operands
)
1056 return super().__init
__()
1059 yield from self
.__db
.items()
1061 def __getitem__(self
, key
):
1062 return self
.__db
.__getitem
__(key
)
1065 class FieldsDatabase
:
1068 df
= _DecodeFields()
1070 for (form
, fields
) in df
.instrs
.items():
1071 if form
in {"DQE", "TX"}:
1075 db
[_Form
[form
]] = Fields(fields
)
1079 return super().__init
__()
1081 def __getitem__(self
, key
):
1082 return self
.__db
.__getitem
__(key
)
1086 def __init__(self
, root
, mdwndb
, fieldsdb
):
1087 # The code below groups the instructions by section:identifier.
1088 # We use the comment as an identifier, there's nothing better.
1089 # The point is to capture different opcodes for the same instruction.
1090 dd
= _collections
.defaultdict
1091 records
= dd(lambda: dd(set))
1092 path
= (root
/ "insndb.csv")
1093 with
open(path
, "r", encoding
="UTF-8") as stream
:
1094 for section
in parse(stream
, Section
.CSV
):
1095 path
= (root
/ section
.path
)
1097 section
.Mode
.INTEGER
: IntegerOpcode
,
1098 section
.Mode
.PATTERN
: PatternOpcode
,
1100 factory
= _functools
.partial(PPCRecord
.CSV
, opcode_cls
=opcode_cls
)
1101 with
open(path
, "r", encoding
="UTF-8") as stream
:
1102 for insn
in parse(stream
, factory
):
1103 records
[section
][insn
.comment
].add(insn
)
1105 # Once we collected all instructions with the same identifier,
1106 # it's time to merge the different opcodes into the single pattern.
1107 # At this point, we only consider masks; the algorithm as follows:
1108 # 1. If any of two masks ignores the bit, it's ignored entirely.
1109 # 2. If the bit is not equal between masks, it's ignored.
1110 # 3. Otherwise the bits are equal and considered.
1111 def merge(lhs
, rhs
):
1114 lvalue
= lhs
.opcode
.value
1115 rvalue
= rhs
.opcode
.value
1116 lmask
= lhs
.opcode
.mask
1117 rmask
= rhs
.opcode
.mask
1118 bits
= max(lmask
.bit_length(), rmask
.bit_length())
1119 for bit
in range(bits
):
1120 lvstate
= ((lvalue
& (1 << bit
)) != 0)
1121 rvstate
= ((rvalue
& (1 << bit
)) != 0)
1122 lmstate
= ((lmask
& (1 << bit
)) != 0)
1123 rmstate
= ((rmask
& (1 << bit
)) != 0)
1126 if (not lmstate
or not rmstate
) or (lvstate
!= rvstate
):
1129 value |
= (vstate
<< bit
)
1130 mask |
= (mstate
<< bit
)
1131 return _dataclasses
.replace(lhs
, opcode
=Opcode(value
=value
, mask
=mask
))
1134 for (section
, group
) in records
.items():
1135 for records
in group
.values():
1136 db
[section
].add(_functools
.reduce(merge
, records
))
1139 self
.__mdwndb
= mdwndb
1140 self
.__fieldsdb
= fieldsdb
1142 return super().__init
__()
1144 def __getitem__(self
, key
):
1145 def exact_match(key
, record
):
1146 for name
in record
.names
:
1152 def Rc_match(key
, record
):
1153 if not key
.endswith("."):
1156 if not record
.Rc
is _RCOE
.RC
:
1159 return exact_match(key
[:-1], record
)
1161 def LK_match(key
, record
):
1162 if not key
.endswith("l"):
1165 if "lk" not in record
.flags
:
1168 return exact_match(key
[:-1], record
)
1170 def AA_match(key
, record
):
1171 if not key
.endswith("a"):
1174 if record
.intop
not in {_MicrOp
.OP_B
, _MicrOp
.OP_BC
}:
1177 if self
.__mdwndb
[key
]["AA"] is None:
1180 return (exact_match(key
[:-1], record
) or
1181 LK_match(key
[:-1], record
))
1183 for (section
, records
) in self
.__db
.items():
1184 for record
in records
:
1185 if (exact_match(key
, record
) or
1186 Rc_match(key
, record
) or
1187 LK_match(key
, record
) or
1188 AA_match(key
, record
)):
1189 return (section
, record
)
1194 class SVP64Database
:
1195 def __init__(self
, root
, ppcdb
):
1197 pattern
= _re
.compile(r
"^(?:LDST)?RM-(1P|2P)-.*?\.csv$")
1198 for (prefix
, _
, names
) in _os
.walk(root
):
1199 prefix
= _pathlib
.Path(prefix
)
1200 for name
in filter(lambda name
: pattern
.match(name
), names
):
1201 path
= (prefix
/ _pathlib
.Path(name
))
1202 with
open(path
, "r", encoding
="UTF-8") as stream
:
1203 db
.update(parse(stream
, SVP64Record
.CSV
))
1205 self
.__db
= {record
.name
:record
for record
in db
}
1206 self
.__ppcdb
= ppcdb
1208 return super().__init
__()
1210 def __getitem__(self
, key
):
1211 (_
, record
) = self
.__ppcdb
[key
]
1215 for name
in record
.names
:
1216 record
= self
.__db
.get(name
, None)
1217 if record
is not None:
1224 def __init__(self
, root
):
1225 root
= _pathlib
.Path(root
)
1227 mdwndb
= MarkdownDatabase()
1228 fieldsdb
= FieldsDatabase()
1229 ppcdb
= PPCDatabase(root
=root
, mdwndb
=mdwndb
, fieldsdb
=fieldsdb
)
1230 svp64db
= SVP64Database(root
=root
, ppcdb
=ppcdb
)
1233 for (name
, operands
) in mdwndb
:
1234 (section
, ppc
) = ppcdb
[name
]
1237 svp64
= svp64db
[name
]
1238 fields
= fieldsdb
[ppc
.form
]
1239 record
= Record(name
=name
,
1240 section
=section
, ppc
=ppc
, svp64
=svp64
,
1241 operands
=operands
, fields
=fields
)
1244 self
.__db
= tuple(sorted(db
))
1246 return super().__init
__()
1249 return repr(self
.__db
)
1252 yield from self
.__db
1254 @_functools.lru_cache(maxsize
=None)
1255 def __contains__(self
, key
):
1256 return self
.__getitem
__(key
) is not None
1258 @_functools.lru_cache(maxsize
=None)
1259 def __getitem__(self
, key
):
1260 if isinstance(key
, (int, Instruction
)):
1263 opcode
= record
.opcode
1264 if ((opcode
.value
& opcode
.mask
) ==
1265 (key
& opcode
.mask
)):
1268 elif isinstance(key
, Opcode
):
1270 if record
.opcode
== key
:
1272 elif isinstance(key
, str):
1274 if record
.name
== key
: