1 import collections
as _collections
2 import contextlib
as _contextlib
4 import dataclasses
as _dataclasses
6 import functools
as _functools
8 import operator
as _operator
9 import pathlib
as _pathlib
11 import types
as _types
14 from functools
import cached_property
16 from cached_property
import cached_property
18 from openpower
.decoder
.power_enums
import (
19 Function
as _Function
,
26 CRIn2Sel
as _CRIn2Sel
,
27 CROutSel
as _CROutSel
,
29 LDSTMode
as _LDSTMode
,
34 SVMaskSrc
as _SVMaskSrc
,
41 SVP64SubVL
as _SVP64SubVL
,
42 SVP64Pred
as _SVP64Pred
,
43 SVP64PredMode
as _SVP64PredMode
,
44 SVP64Width
as _SVP64Width
,
46 from openpower
.decoder
.selectable_int
import (
47 SelectableInt
as _SelectableInt
,
48 selectconcat
as _selectconcat
,
50 from openpower
.decoder
.power_fields
import (
53 DecodeFields
as _DecodeFields
,
55 from openpower
.decoder
.pseudo
.pagereader
import ISA
as _ISA
59 @_contextlib.contextmanager
63 @_contextlib.contextmanager
64 def record(self
, record
):
68 @_functools.total_ordering
69 class Style(_enum
.Enum
):
73 VERBOSE
= _enum
.auto()
75 def __lt__(self
, other
):
76 if not isinstance(other
, self
.__class
__):
78 return (self
.value
< other
.value
)
81 @_functools.total_ordering
82 class Priority(_enum
.Enum
):
88 def _missing_(cls
, value
):
89 if isinstance(value
, str):
94 return super()._missing
_(value
)
96 def __lt__(self
, other
):
97 if not isinstance(other
, self
.__class
__):
100 # NOTE: the order is inversed, LOW < NORMAL < HIGH
101 return (self
.value
> other
.value
)
104 def dataclass(cls
, record
, keymap
=None, typemap
=None):
108 typemap
= {field
.name
:field
.type for field
in _dataclasses
.fields(cls
)}
110 def transform(key_value
):
111 (key
, value
) = key_value
112 key
= keymap
.get(key
, key
)
113 hook
= typemap
.get(key
, lambda value
: value
)
114 if hook
is bool and value
in ("", "0"):
120 record
= dict(map(transform
, record
.items()))
121 for key
in frozenset(record
.keys()):
122 if record
[key
] == "":
128 @_functools.total_ordering
129 @_dataclasses.dataclass(eq
=True, frozen
=True)
132 def __new__(cls
, value
):
133 if isinstance(value
, str):
134 value
= int(value
, 0)
135 if not isinstance(value
, int):
136 raise ValueError(value
)
138 if value
.bit_length() > 64:
139 raise ValueError(value
)
141 return super().__new
__(cls
, value
)
144 return self
.__repr
__()
147 return f
"{self:0{self.bit_length()}b}"
149 def bit_length(self
):
150 if super().bit_length() > 32:
154 class Value(Integer
):
163 def __lt__(self
, other
):
164 if not isinstance(other
, Opcode
):
165 return NotImplemented
166 return ((self
.value
, self
.mask
) < (other
.value
, other
.mask
))
169 return (self
.value
& self
.mask
)
172 return int(self
).__index
__()
175 def pattern(value
, mask
, bit_length
):
176 for bit
in range(bit_length
):
177 if ((mask
& (1 << (bit_length
- bit
- 1))) == 0):
179 elif (value
& (1 << (bit_length
- bit
- 1))):
184 return "".join(pattern(self
.value
, self
.mask
, self
.value
.bit_length()))
186 def match(self
, key
):
187 return ((self
.value
& self
.mask
) == (key
& self
.mask
))
190 @_functools.total_ordering
191 @_dataclasses.dataclass(eq
=True, frozen
=True)
192 class IntegerOpcode(Opcode
):
193 def __init__(self
, value
):
194 if value
.startswith("0b"):
195 mask
= int(("1" * len(value
[2:])), 2)
199 value
= Opcode
.Value(value
)
200 mask
= Opcode
.Mask(mask
)
202 return super().__init
__(value
=value
, mask
=mask
)
205 @_functools.total_ordering
206 @_dataclasses.dataclass(eq
=True, frozen
=True)
207 class PatternOpcode(Opcode
):
208 def __init__(self
, pattern
):
209 if not isinstance(pattern
, str):
210 raise ValueError(pattern
)
212 (value
, mask
) = (0, 0)
213 for symbol
in pattern
:
214 if symbol
not in {"0", "1", "-"}:
215 raise ValueError(pattern
)
216 value |
= (symbol
== "1")
217 mask |
= (symbol
!= "-")
223 value
= Opcode
.Value(value
)
224 mask
= Opcode
.Mask(mask
)
226 return super().__init
__(value
=value
, mask
=mask
)
229 @_dataclasses.dataclass(eq
=True, frozen
=True)
231 class FlagsMeta(type):
246 class Flags(tuple, metaclass
=FlagsMeta
):
247 def __new__(cls
, flags
=frozenset()):
248 flags
= frozenset(flags
)
249 diff
= (flags
- frozenset(cls
))
251 raise ValueError(flags
)
252 return super().__new
__(cls
, sorted(flags
))
256 flags
: Flags
= Flags()
258 function
: _Function
= _Function
.NONE
259 intop
: _MicrOp
= _MicrOp
.OP_ILLEGAL
260 in1
: _In1Sel
= _In1Sel
.NONE
261 in2
: _In2Sel
= _In2Sel
.NONE
262 in3
: _In3Sel
= _In3Sel
.NONE
263 out
: _OutSel
= _OutSel
.NONE
264 cr_in
: _CRInSel
= _CRInSel
.NONE
265 cr_in2
: _CRIn2Sel
= _CRIn2Sel
.NONE
266 cr_out
: _CROutSel
= _CROutSel
.NONE
267 cry_in
: _CryIn
= _CryIn
.ZERO
268 ldst_len
: _LDSTLen
= _LDSTLen
.NONE
269 upd
: _LDSTMode
= _LDSTMode
.NONE
270 Rc
: _RCOE
= _RCOE
.NONE
271 form
: _Form
= _Form
.NONE
273 unofficial
: bool = False
277 "internal op": "intop",
281 "ldst len": "ldst_len",
283 "CONDITIONS": "conditions",
286 def __lt__(self
, other
):
287 if not isinstance(other
, self
.__class
__):
288 return NotImplemented
289 lhs
= (self
.opcode
, self
.comment
)
290 rhs
= (other
.opcode
, other
.comment
)
294 def CSV(cls
, record
, opcode_cls
):
295 typemap
= {field
.name
:field
.type for field
in _dataclasses
.fields(cls
)}
296 typemap
["opcode"] = opcode_cls
298 if record
["CR in"] == "BA_BB":
299 record
["cr_in"] = "BA"
300 record
["cr_in2"] = "BB"
304 for flag
in frozenset(PPCRecord
.Flags
):
305 if bool(record
.pop(flag
, "")):
307 record
["flags"] = PPCRecord
.Flags(flags
)
309 return dataclass(cls
, record
,
310 keymap
=PPCRecord
.__KEYMAP
,
315 return frozenset(self
.comment
.split("=")[-1].split("/"))
318 class PPCMultiRecord(tuple):
319 def __getattr__(self
, attr
):
322 raise AttributeError(attr
)
323 return getattr(self
[0], attr
)
326 @_dataclasses.dataclass(eq
=True, frozen
=True)
328 class ExtraMap(tuple):
330 @_dataclasses.dataclass(eq
=True, frozen
=True)
332 seltype
: _SelType
= _SelType
.NONE
333 reg
: _Reg
= _Reg
.NONE
336 return f
"{self.seltype.value}:{self.reg.name}"
338 def __new__(cls
, value
="0"):
339 if isinstance(value
, str):
340 def transform(value
):
341 (seltype
, reg
) = value
.split(":")
342 seltype
= _SelType(seltype
)
344 return cls
.Entry(seltype
=seltype
, reg
=reg
)
349 value
= map(transform
, value
.split(";"))
351 return super().__new
__(cls
, value
)
354 return repr(list(self
))
356 def __new__(cls
, value
=tuple()):
360 return super().__new
__(cls
, map(cls
.Extra
, value
))
363 return repr({index
:self
[index
] for index
in range(0, 4)})
366 ptype
: _SVPType
= _SVPType
.NONE
367 etype
: _SVEType
= _SVEType
.NONE
368 msrc
: _SVMaskSrc
= _SVMaskSrc
.NO
# MASK_SRC is active
369 in1
: _In1Sel
= _In1Sel
.NONE
370 in2
: _In2Sel
= _In2Sel
.NONE
371 in3
: _In3Sel
= _In3Sel
.NONE
372 out
: _OutSel
= _OutSel
.NONE
373 out2
: _OutSel
= _OutSel
.NONE
374 cr_in
: _CRInSel
= _CRInSel
.NONE
375 cr_in2
: _CRIn2Sel
= _CRIn2Sel
.NONE
376 cr_out
: _CROutSel
= _CROutSel
.NONE
377 extra
: ExtraMap
= ExtraMap()
379 mode
: _SVMode
= _SVMode
.NORMAL
383 "CONDITIONS": "conditions",
392 def CSV(cls
, record
):
393 record
["insn"] = record
["insn"].split("=")[-1]
395 for key
in frozenset({
396 "in1", "in2", "in3", "CR in",
397 "out", "out2", "CR out",
403 if record
["CR in"] == "BA_BB":
404 record
["cr_in"] = "BA"
405 record
["cr_in2"] = "BB"
409 for idx
in range(0, 4):
410 extra
.append(record
.pop(f
"{idx}"))
412 record
["extra"] = cls
.ExtraMap(extra
)
414 return dataclass(cls
, record
, keymap
=cls
.__KEYMAP
)
419 "in1", "in2", "in3", "cr_in", "cr_in2",
420 "out", "out2", "cr_out",
435 for index
in range(0, 4):
436 for entry
in self
.extra
[index
]:
437 extras
[entry
.seltype
][entry
.reg
] = idxmap
[index
]
439 for (seltype
, regs
) in extras
.items():
440 idx
= regs
.get(reg
, _SVExtra
.NONE
)
441 if idx
is not _SVExtra
.NONE
:
442 yield (reg
, seltype
, idx
)
449 sel
= sels
[key
] = getattr(self
, key
)
450 reg
= regs
[key
] = _Reg(sel
)
451 seltypes
[key
] = _SelType
.NONE
452 idxs
[key
] = _SVExtra
.NONE
453 for (reg
, seltype
, idx
) in extra(reg
.alias
):
454 if ((idx
!= idxs
[key
]) and (idxs
[key
] is not _SVExtra
.NONE
)):
455 raise ValueError(idxs
[key
])
458 seltypes
[key
] = seltype
460 if sels
["cr_in"] is _CRInSel
.BA_BB
:
461 sels
["cr_in"] = _CRIn2Sel
.BA
462 sels
["cr_in2"] = _CRIn2Sel
.BB
463 idxs
["cr_in2"] = idxs
["cr_in"]
464 for key
in ("cr_in", "cr_in2"):
465 regs
[key
] = _Reg(sels
[key
])
466 seltype
[key
] = _SelType
.SRC
473 "seltype": seltypes
[key
],
477 return _types
.MappingProxyType(records
)
479 extra_idx_in1
= property(lambda self
: self
.extras
["in1"]["idx"])
480 extra_idx_in2
= property(lambda self
: self
.extras
["in2"]["idx"])
481 extra_idx_in3
= property(lambda self
: self
.extras
["in3"]["idx"])
482 extra_idx_out
= property(lambda self
: self
.extras
["out"]["idx"])
483 extra_idx_out2
= property(lambda self
: self
.extras
["out2"]["idx"])
484 extra_idx_cr_in
= property(lambda self
: self
.extras
["cr_in"]["idx"])
485 extra_idx_cr_in2
= property(lambda self
: self
.extras
["cr_in2"]["idx"])
486 extra_idx_cr_out
= property(lambda self
: self
.extras
["cr_out"]["idx"])
491 for idx
in range(0, 4):
492 for entry
in self
.extra
[idx
]:
493 if entry
.seltype
is _SelType
.DST
:
494 if extra
is not None:
495 raise ValueError(self
.svp64
)
499 if _RegType(extra
.reg
) not in (_RegType
.CR_3BIT
, _RegType
.CR_5BIT
):
500 raise ValueError(self
.svp64
)
505 def extra_CR_3bit(self
):
506 return (_RegType(self
.extra_CR
.reg
) is _RegType
.CR_3BIT
)
510 def __init__(self
, value
=(0, 32)):
511 if isinstance(value
, str):
512 (start
, end
) = map(int, value
.split(":"))
515 if start
< 0 or end
< 0 or start
>= end
:
516 raise ValueError(value
)
521 return super().__init
__()
524 return (self
.__end
- self
.__start
+ 1)
527 return f
"[{self.__start}:{self.__end}]"
530 yield from range(self
.start
, (self
.end
+ 1))
532 def __reversed__(self
):
533 return tuple(reversed(tuple(self
)))
544 @_dataclasses.dataclass(eq
=True, frozen
=True)
546 class Mode(_enum
.Enum
):
547 INTEGER
= _enum
.auto()
548 PATTERN
= _enum
.auto()
551 def _missing_(cls
, value
):
552 if isinstance(value
, str):
553 return cls
[value
.upper()]
554 return super()._missing
_(value
)
557 def __new__(cls
, value
=None):
558 if isinstance(value
, str):
559 if value
.upper() == "NONE":
562 value
= int(value
, 0)
566 return super().__new
__(cls
, value
)
572 return (bin(self
) if self
else "None")
578 opcode
: IntegerOpcode
= None
579 priority
: Priority
= Priority
.NORMAL
581 def __lt__(self
, other
):
582 if not isinstance(other
, self
.__class
__):
583 return NotImplemented
584 return (self
.priority
< other
.priority
)
587 def CSV(cls
, record
):
588 typemap
= {field
.name
:field
.type for field
in _dataclasses
.fields(cls
)}
589 if record
["opcode"] == "NONE":
590 typemap
["opcode"] = lambda _
: None
592 return dataclass(cls
, record
, typemap
=typemap
)
596 def __init__(self
, items
):
597 if isinstance(items
, dict):
598 items
= items
.items()
601 (name
, bitrange
) = item
602 return (name
, tuple(bitrange
.values()))
604 self
.__mapping
= dict(map(transform
, items
))
606 return super().__init
__()
609 return repr(self
.__mapping
)
612 yield from self
.__mapping
.items()
614 def __contains__(self
, key
):
615 return self
.__mapping
.__contains
__(key
)
617 def __getitem__(self
, key
):
618 return self
.__mapping
.get(key
, None)
633 def __init__(self
, insn
, operands
):
635 "b": {"target_addr": TargetAddrOperandLI
},
636 "ba": {"target_addr": TargetAddrOperandLI
},
637 "bl": {"target_addr": TargetAddrOperandLI
},
638 "bla": {"target_addr": TargetAddrOperandLI
},
639 "bc": {"target_addr": TargetAddrOperandBD
},
640 "bca": {"target_addr": TargetAddrOperandBD
},
641 "bcl": {"target_addr": TargetAddrOperandBD
},
642 "bcla": {"target_addr": TargetAddrOperandBD
},
643 "addpcis": {"D": DOperandDX
},
644 "fishmv": {"D": DOperandDX
},
645 "fmvis": {"D": DOperandDX
},
648 "SVi": NonZeroOperand
,
649 "SVd": NonZeroOperand
,
650 "SVxd": NonZeroOperand
,
651 "SVyd": NonZeroOperand
,
652 "SVzd": NonZeroOperand
,
654 "D": SignedImmediateOperand
,
658 "SIM": SignedOperand
,
659 "SVD": SignedOperand
,
660 "SVDS": SignedOperand
,
661 "RSp": GPRPairOperand
,
662 "RTp": GPRPairOperand
,
663 "FRAp": FPRPairOperand
,
664 "FRBp": FPRPairOperand
,
665 "FRSp": FPRPairOperand
,
666 "FRTp": FPRPairOperand
,
668 custom_immediates
= {
674 for operand
in operands
:
678 (name
, value
) = operand
.split("=")
679 mapping
[name
] = (StaticOperand
, {
685 if name
.endswith(")"):
686 name
= name
.replace("(", " ").replace(")", "")
687 (imm_name
, _
, name
) = name
.partition(" ")
691 if imm_name
is not None:
692 imm_cls
= custom_immediates
.get(imm_name
, ImmediateOperand
)
694 if insn
in custom_insns
and name
in custom_insns
[insn
]:
695 cls
= custom_insns
[insn
][name
]
696 elif name
in custom_fields
:
697 cls
= custom_fields
[name
]
698 elif name
in _Reg
.__members
__:
700 if reg
in self
.__class
__.__GPR
_PAIRS
:
702 elif reg
in self
.__class
__.__FPR
_PAIRS
:
705 regtype
= _RegType
[name
]
706 if regtype
is _RegType
.GPR
:
708 elif regtype
is _RegType
.FPR
:
710 elif regtype
is _RegType
.CR_3BIT
:
712 elif regtype
is _RegType
.CR_5BIT
:
715 if imm_name
is not None:
716 mapping
[imm_name
] = (imm_cls
, {"name": imm_name
})
717 mapping
[name
] = (cls
, {"name": name
})
721 for (name
, (cls
, kwargs
)) in mapping
.items():
722 kwargs
= dict(kwargs
)
723 kwargs
["name"] = name
724 if issubclass(cls
, StaticOperand
):
725 static
.append((cls
, kwargs
))
726 elif issubclass(cls
, DynamicOperand
):
727 dynamic
.append((cls
, kwargs
))
729 raise ValueError(name
)
731 self
.__mapping
= mapping
732 self
.__static
= tuple(static
)
733 self
.__dynamic
= tuple(dynamic
)
735 return super().__init
__()
738 for (_
, items
) in self
.__mapping
.items():
739 (cls
, kwargs
) = items
743 return self
.__mapping
.__repr
__()
745 def __contains__(self
, key
):
746 return self
.__mapping
.__contains
__(key
)
748 def __getitem__(self
, key
):
749 return self
.__mapping
.__getitem
__(key
)
757 return self
.__dynamic
760 class Arguments(tuple):
761 def __new__(cls
, record
, arguments
, operands
):
762 operands
= iter(tuple(operands
))
763 arguments
= iter(tuple(arguments
))
768 operand
= next(operands
)
769 except StopIteration:
773 argument
= next(arguments
)
774 except StopIteration:
775 raise ValueError("operands count mismatch")
777 if isinstance(operand
, ImmediateOperand
):
778 argument
= argument
.replace("(", " ").replace(")", "")
779 (imm_argument
, _
, argument
) = argument
.partition(" ")
781 (imm_operand
, operand
) = (operand
, next(operands
))
782 except StopIteration:
783 raise ValueError("operands count mismatch")
784 items
.append((imm_argument
, imm_operand
))
785 items
.append((argument
, operand
))
789 except StopIteration:
792 raise ValueError("operands count mismatch")
794 return super().__new
__(cls
, items
)
798 def __init__(self
, iterable
):
799 self
.__pcode
= tuple(iterable
)
800 return super().__init
__()
803 yield from self
.__pcode
806 return self
.__pcode
.__repr
__()
809 @_dataclasses.dataclass(eq
=True, frozen
=True)
810 class MarkdownRecord
:
815 @_functools.total_ordering
816 @_dataclasses.dataclass(eq
=True, frozen
=True)
823 svp64
: SVP64Record
= None
825 def visit(self
, visitor
):
826 with visitor
.record(record
=self
) as record
:
829 def __lt__(self
, other
):
830 if not isinstance(other
, Record
):
831 return NotImplemented
832 lhs
= (min(self
.opcodes
), self
.name
)
833 rhs
= (min(other
.opcodes
), other
.name
)
838 return (self
.static_operands
+ self
.dynamic_operands
)
841 def static_operands(self
):
843 operands
.append(POStaticOperand(record
=self
, value
=self
.PO
))
845 operands
.append(XOStaticOperand(
847 value
=ppc
.opcode
.value
,
848 span
=self
.section
.bitsel
,
850 for (cls
, kwargs
) in self
.mdwn
.operands
.static
:
851 operands
.append(cls(record
=self
, **kwargs
))
852 return tuple(operands
)
855 def dynamic_operands(self
):
857 for (cls
, kwargs
) in self
.mdwn
.operands
.dynamic
:
858 operands
.append(cls(record
=self
, **kwargs
))
859 return tuple(operands
)
864 return int("".join(str(int(mapping
[bit
])) \
865 for bit
in sorted(mapping
)), 2)
867 def PO_XO(value
, mask
, opcode
, bits
):
870 for (src
, dst
) in enumerate(reversed(bits
)):
871 value
[dst
] = ((opcode
.value
& (1 << src
)) != 0)
872 mask
[dst
] = ((opcode
.mask
& (1 << src
)) != 0)
875 def PO(value
, mask
, opcode
, bits
):
876 return PO_XO(value
=value
, mask
=mask
, opcode
=opcode
, bits
=bits
)
878 def XO(value
, mask
, opcode
, bits
):
879 (value
, mask
) = PO_XO(value
=value
, mask
=mask
,
880 opcode
=opcode
, bits
=bits
)
881 for (op_cls
, op_kwargs
) in self
.mdwn
.operands
.static
:
882 operand
= op_cls(record
=self
, **op_kwargs
)
883 for (src
, dst
) in enumerate(reversed(operand
.span
)):
884 value
[dst
] = ((operand
.value
& (1 << src
)) != 0)
889 value
= {bit
:False for bit
in range(32)}
890 mask
= {bit
:False for bit
in range(32)}
891 if self
.section
.opcode
is not None:
892 (value
, mask
) = PO(value
=value
, mask
=mask
,
893 opcode
=self
.section
.opcode
, bits
=range(0, 6))
895 pairs
.append(XO(value
=value
, mask
=mask
,
896 opcode
=ppc
.opcode
, bits
=self
.section
.bitsel
))
899 for (value
, mask
) in pairs
:
900 value
= Opcode
.Value(binary(value
))
901 mask
= Opcode
.Mask(binary(mask
))
902 result
.append(Opcode(value
=value
, mask
=mask
))
908 opcode
= self
.section
.opcode
910 opcode
= self
.ppc
[0].opcode
911 if isinstance(opcode
, PatternOpcode
):
912 value
= int(opcode
.value
)
913 bits
= opcode
.value
.bit_length()
914 return int(_SelectableInt(value
=value
, bits
=bits
)[0:6])
916 return int(opcode
.value
)
920 return tuple(ppc
.opcode
for ppc
in self
.ppc
)
922 def match(self
, key
):
923 for opcode
in self
.opcodes
:
924 if opcode
.match(key
):
931 return self
.svp64
.mode
951 if self
.svp64
is None:
957 return self
.ppc
.cr_in
961 return self
.ppc
.cr_in2
965 return self
.ppc
.cr_out
967 ptype
= property(lambda self
: self
.svp64
.ptype
)
968 etype
= property(lambda self
: self
.svp64
.etype
)
970 extra_idx_in1
= property(lambda self
: self
.svp64
.extra_idx_in1
)
971 extra_idx_in2
= property(lambda self
: self
.svp64
.extra_idx_in2
)
972 extra_idx_in3
= property(lambda self
: self
.svp64
.extra_idx_in3
)
973 extra_idx_out
= property(lambda self
: self
.svp64
.extra_idx_out
)
974 extra_idx_out2
= property(lambda self
: self
.svp64
.extra_idx_out2
)
975 extra_idx_cr_in
= property(lambda self
: self
.svp64
.extra_idx_cr_in
)
976 extra_idx_cr_in2
= property(lambda self
: self
.svp64
.extra_idx_cr_in2
)
977 extra_idx_cr_out
= property(lambda self
: self
.svp64
.extra_idx_cr_out
)
979 def __contains__(self
, key
):
980 return self
.mdwn
.operands
.__contains
__(key
)
982 def __getitem__(self
, key
):
983 (cls
, kwargs
) = self
.mdwn
.operands
.__getitem
__(key
)
984 return cls(record
=self
, **kwargs
)
990 return self
["Rc"].value
994 def __init__(self
, record
, name
):
995 self
.__record
= record
999 yield ("record", self
.record
)
1000 yield ("name", self
.__name
)
1003 return f
"{self.__class__.__name__}({self.name})"
1011 return self
.__record
1015 return self
.record
.fields
[self
.name
]
1017 def assemble(self
, insn
):
1018 raise NotImplementedError()
1020 def disassemble(self
, insn
,
1021 style
=Style
.NORMAL
, indent
=""):
1022 raise NotImplementedError()
1025 class DynamicOperand(Operand
):
1026 def assemble(self
, insn
, value
):
1028 if isinstance(value
, str):
1029 value
= int(value
, 0)
1031 raise ValueError("signed operands not allowed")
1034 def disassemble(self
, insn
,
1035 style
=Style
.NORMAL
, indent
=""):
1039 if style
>= Style
.VERBOSE
:
1040 span
= map(str, span
)
1041 yield f
"{indent}{self.name}"
1042 yield f
"{indent}{indent}{int(value):0{value.bits}b}"
1043 yield f
"{indent}{indent}{', '.join(span)}"
1045 yield str(int(value
))
1048 class SignedOperand(DynamicOperand
):
1049 def assemble(self
, insn
, value
):
1050 if isinstance(value
, str):
1051 value
= int(value
, 0)
1052 return super().assemble(value
=value
, insn
=insn
)
1054 def assemble(self
, insn
, value
):
1056 if isinstance(value
, str):
1057 value
= int(value
, 0)
1060 def disassemble(self
, insn
,
1061 style
=Style
.NORMAL
, indent
=""):
1063 value
= insn
[span
].to_signed_int()
1064 sign
= "-" if (value
< 0) else ""
1067 if style
>= Style
.VERBOSE
:
1068 span
= map(str, span
)
1069 yield f
"{indent}{self.name}"
1070 yield f
"{indent}{indent}{sign}{value}"
1071 yield f
"{indent}{indent}{', '.join(span)}"
1073 yield f
"{sign}{value}"
1076 class StaticOperand(Operand
):
1077 def __init__(self
, record
, name
, value
):
1078 self
.__value
= value
1079 return super().__init
__(record
=record
, name
=name
)
1082 yield ("value", self
.__value
)
1083 yield from super().__iter
__()
1086 return f
"{self.__class__.__name__}({self.name}, value={self.value})"
1092 def assemble(self
, insn
):
1093 insn
[self
.span
] = self
.value
1095 def disassemble(self
, insn
,
1096 style
=Style
.NORMAL
, indent
=""):
1100 if style
>= Style
.VERBOSE
:
1101 span
= map(str, span
)
1102 yield f
"{indent}{self.name}"
1103 yield f
"{indent}{indent}{int(value):0{value.bits}b}"
1104 yield f
"{indent}{indent}{', '.join(span)}"
1106 yield str(int(value
))
1109 class SpanStaticOperand(StaticOperand
):
1110 def __init__(self
, record
, name
, value
, span
):
1111 self
.__span
= tuple(span
)
1112 return super().__init
__(record
=record
, name
=name
, value
=value
)
1115 yield ("span", self
.__span
)
1116 yield from super().__iter
__()
1123 class POStaticOperand(SpanStaticOperand
):
1124 def __init__(self
, record
, value
):
1125 return super().__init
__(record
=record
, name
="PO",
1126 value
=value
, span
=range(0, 6))
1129 for (key
, value
) in super().__iter
__():
1130 if key
not in {"name", "span"}:
1134 class XOStaticOperand(SpanStaticOperand
):
1135 def __init__(self
, record
, value
, span
):
1136 bits
= record
.section
.bitsel
1137 value
= _SelectableInt(value
=value
, bits
=len(bits
))
1138 span
= dict(zip(bits
, range(len(bits
))))
1139 span_rev
= {value
:key
for (key
, value
) in span
.items()}
1141 # This part is tricky: we cannot use record.operands,
1142 # as this code is called by record.static_operands method.
1143 for (cls
, kwargs
) in record
.mdwn
.operands
:
1144 operand
= cls(record
=record
, **kwargs
)
1145 for idx
in operand
.span
:
1146 rev
= span
.pop(idx
, None)
1148 span_rev
.pop(rev
, None)
1150 value
= int(_selectconcat(*(value
[bit
] for bit
in span
.values())))
1151 span
= tuple(span
.keys())
1153 return super().__init
__(record
=record
, name
="XO",
1154 value
=value
, span
=span
)
1157 for (key
, value
) in super().__iter
__():
1158 if key
not in {"name"}:
1162 class ImmediateOperand(DynamicOperand
):
1166 class SignedImmediateOperand(SignedOperand
, ImmediateOperand
):
1170 class NonZeroOperand(DynamicOperand
):
1171 def assemble(self
, insn
, value
):
1172 if isinstance(value
, str):
1173 value
= int(value
, 0)
1174 if not isinstance(value
, int):
1175 raise ValueError("non-integer operand")
1177 raise ValueError("non-zero operand")
1179 return super().assemble(value
=value
, insn
=insn
)
1181 def disassemble(self
, insn
,
1182 style
=Style
.NORMAL
, indent
=""):
1186 if style
>= Style
.VERBOSE
:
1187 span
= map(str, span
)
1188 yield f
"{indent}{self.name}"
1189 yield f
"{indent}{indent}{int(value):0{value.bits}b}"
1190 yield f
"{indent}{indent}{', '.join(span)}"
1192 yield str(int(value
) + 1)
1195 class ExtendableOperand(DynamicOperand
):
1196 def sv_spec_enter(self
, value
, span
):
1197 return (value
, span
)
1199 def sv_spec(self
, insn
):
1203 span
= tuple(map(str, span
))
1205 if isinstance(insn
, SVP64Instruction
):
1206 (origin_value
, origin_span
) = (value
, span
)
1207 (value
, span
) = self
.sv_spec_enter(value
=value
, span
=span
)
1209 for extra_idx
in self
.extra_idx
:
1210 if self
.record
.etype
is _SVEType
.EXTRA3
:
1211 spec
= insn
.prefix
.rm
.extra3
[extra_idx
]
1212 elif self
.record
.etype
is _SVEType
.EXTRA2
:
1213 spec
= insn
.prefix
.rm
.extra2
[extra_idx
]
1215 raise ValueError(self
.record
.etype
)
1218 vector
= bool(spec
[0])
1219 spec_span
= spec
.__class
__
1220 if self
.record
.etype
is _SVEType
.EXTRA3
:
1221 spec_span
= tuple(map(str, spec_span
[1, 2]))
1223 elif self
.record
.etype
is _SVEType
.EXTRA2
:
1224 spec_span
= tuple(map(str, spec_span
[1,]))
1225 spec
= _SelectableInt(value
=spec
[1].value
, bits
=2)
1228 spec_span
= (spec_span
+ ("{0}",))
1230 spec_span
= (("{0}",) + spec_span
)
1232 raise ValueError(self
.record
.etype
)
1234 vector_shift
= (2 + (5 - value
.bits
))
1235 scalar_shift
= value
.bits
1236 spec_shift
= (5 - value
.bits
)
1238 bits
= (len(span
) + len(spec_span
))
1239 value
= _SelectableInt(value
=value
.value
, bits
=bits
)
1240 spec
= _SelectableInt(value
=spec
.value
, bits
=bits
)
1242 value
= ((value
<< vector_shift
) |
(spec
<< spec_shift
))
1243 span
= (span
+ spec_span
+ ((spec_shift
* ("{0}",))))
1245 value
= ((spec
<< scalar_shift
) | value
)
1246 span
= ((spec_shift
* ("{0}",)) + spec_span
+ span
)
1248 (value
, span
) = self
.sv_spec_leave(value
=value
, span
=span
,
1249 origin_value
=origin_value
, origin_span
=origin_span
)
1251 return (vector
, value
, span
)
1253 def sv_spec_leave(self
, value
, span
, origin_value
, origin_span
):
1254 return (value
, span
)
1257 def extra_idx(self
):
1258 for (key
, record
) in self
.record
.svp64
.extras
.items():
1259 if record
["reg"].alias
is self
.extra_reg
.alias
:
1263 def extra_reg(self
):
1264 return _Reg(self
.name
)
1266 def remap(self
, value
, vector
):
1267 raise NotImplementedError()
1269 def assemble(self
, value
, insn
, prefix
):
1272 if isinstance(value
, str):
1273 value
= value
.lower()
1274 if value
.startswith("%"):
1276 if value
.startswith("*"):
1277 if not isinstance(insn
, SVP64Instruction
):
1278 raise ValueError(value
)
1281 if value
.startswith(prefix
):
1282 if (self
.extra_reg
.or_zero
and (value
== f
"{prefix}0")):
1283 raise ValueError(value
)
1284 value
= value
[len(prefix
):]
1285 value
= int(value
, 0)
1287 if isinstance(insn
, SVP64Instruction
):
1288 (value
, extra
) = self
.remap(value
=value
, vector
=vector
)
1290 for extra_idx
in self
.extra_idx
:
1291 if self
.record
.etype
is _SVEType
.EXTRA3
:
1292 insn
.prefix
.rm
.extra3
[extra_idx
] = extra
1293 elif self
.record
.etype
is _SVEType
.EXTRA2
:
1294 insn
.prefix
.rm
.extra2
[extra_idx
] = extra
1296 raise ValueError(self
.record
.etype
)
1298 return super().assemble(value
=value
, insn
=insn
)
1300 def disassemble(self
, insn
,
1301 style
=Style
.NORMAL
, prefix
="", indent
=""):
1302 (vector
, value
, span
) = self
.sv_spec(insn
=insn
)
1304 if (self
.extra_reg
.or_zero
and (value
== 0)):
1307 if style
>= Style
.VERBOSE
:
1308 mode
= "vector" if vector
else "scalar"
1309 yield f
"{indent}{self.name} ({mode})"
1310 yield f
"{indent}{indent}{int(value):0{value.bits}b}"
1311 yield f
"{indent}{indent}{', '.join(span)}"
1312 if isinstance(insn
, SVP64Instruction
):
1313 for extra_idx
in frozenset(self
.extra_idx
):
1314 if self
.record
.etype
is _SVEType
.NONE
:
1315 yield f
"{indent}{indent}extra[none]"
1317 etype
= repr(self
.record
.etype
).lower()
1318 yield f
"{indent}{indent}{etype}{extra_idx!r}"
1320 vector
= "*" if vector
else ""
1321 yield f
"{vector}{prefix}{int(value)}"
1324 class SimpleRegisterOperand(ExtendableOperand
):
1325 def remap(self
, value
, vector
):
1327 extra
= (value
& 0b11)
1328 value
= (value
>> 2)
1330 extra
= (value
>> 5)
1331 value
= (value
& 0b11111)
1333 # now sanity-check. EXTRA3 is ok, EXTRA2 has limits
1334 # (and shrink to a single bit if ok)
1335 if self
.record
.etype
is _SVEType
.EXTRA2
:
1337 # range is r0-r127 in increments of 2 (r0 r2 ... r126)
1338 assert (extra
& 0b01) == 0, \
1339 ("vector field %s cannot fit into EXTRA2" % value
)
1340 extra
= (0b10 |
(extra
>> 1))
1342 # range is r0-r63 in increments of 1
1343 assert (extra
>> 1) == 0, \
1344 ("scalar GPR %d cannot fit into EXTRA2" % value
)
1346 elif self
.record
.etype
is _SVEType
.EXTRA3
:
1348 # EXTRA3 vector bit needs marking
1351 raise ValueError(self
.record
.etype
)
1353 return (value
, extra
)
1356 class GPROperand(SimpleRegisterOperand
):
1357 def assemble(self
, insn
, value
):
1358 return super().assemble(value
=value
, insn
=insn
, prefix
="r")
1360 def disassemble(self
, insn
,
1361 style
=Style
.NORMAL
, indent
=""):
1362 prefix
= "" if (style
<= Style
.SHORT
) else "r"
1363 yield from super().disassemble(prefix
=prefix
, insn
=insn
,
1364 style
=style
, indent
=indent
)
1367 class GPRPairOperand(GPROperand
):
1371 class FPROperand(SimpleRegisterOperand
):
1372 def assemble(self
, insn
, value
):
1373 return super().assemble(value
=value
, insn
=insn
, prefix
="f")
1375 def disassemble(self
, insn
,
1376 style
=Style
.NORMAL
, indent
=""):
1377 prefix
= "" if (style
<= Style
.SHORT
) else "f"
1378 yield from super().disassemble(prefix
=prefix
, insn
=insn
,
1379 style
=style
, indent
=indent
)
1382 class FPRPairOperand(FPROperand
):
1386 class ConditionRegisterFieldOperand(ExtendableOperand
):
1387 def pattern(name_pattern
):
1388 (name
, pattern
) = name_pattern
1389 return (name
, _re
.compile(f
"^{pattern}$", _re
.S
))
1398 CR
= r
"(?:CR|cr)([0-9]+)"
1400 BIT
= rf
"({'|'.join(CONDS.keys())})"
1401 LBIT
= fr
"{BIT}\s*\+\s*" # BIT+
1402 RBIT
= fr
"\s*\+\s*{BIT}" # +BIT
1403 CRN
= fr
"{CR}\s*\*\s*{N}" # CR*N
1404 NCR
= fr
"{N}\s*\*\s*{CR}" # N*CR
1405 XCR
= fr
"{CR}\.{BIT}"
1406 PATTERNS
= tuple(map(pattern
, (
1411 ("BIT+CR", (LBIT
+ CR
)),
1412 ("CR+BIT", (CR
+ RBIT
)),
1413 ("BIT+CR*N", (LBIT
+ CRN
)),
1414 ("CR*N+BIT", (CRN
+ RBIT
)),
1415 ("BIT+N*CR", (LBIT
+ NCR
)),
1416 ("N*CR+BIT", (NCR
+ RBIT
)),
1419 def remap(self
, value
, vector
, regtype
):
1420 if regtype
is _RegType
.CR_5BIT
:
1421 subvalue
= (value
& 0b11)
1425 extra
= (value
& 0b1111)
1428 extra
= (value
>> 3)
1431 if self
.record
.etype
is _SVEType
.EXTRA2
:
1433 assert (extra
& 0b111) == 0, \
1434 "vector CR cannot fit into EXTRA2"
1435 extra
= (0b10 |
(extra
>> 3))
1437 assert (extra
>> 1) == 0, \
1438 "scalar CR cannot fit into EXTRA2"
1440 elif self
.record
.etype
is _SVEType
.EXTRA3
:
1442 assert (extra
& 0b11) == 0, \
1443 "vector CR cannot fit into EXTRA3"
1444 extra
= (0b100 |
(extra
>> 2))
1446 assert (extra
>> 2) == 0, \
1447 "scalar CR cannot fit into EXTRA3"
1450 if regtype
is _RegType
.CR_5BIT
:
1451 value
= ((value
<< 2) | subvalue
)
1453 return (value
, extra
)
1455 def assemble(self
, insn
, value
):
1456 if isinstance(value
, str):
1459 if value
.startswith("*"):
1460 if not isinstance(insn
, SVP64Instruction
):
1461 raise ValueError(value
)
1465 for (name
, pattern
) in reversed(self
.__class
__.PATTERNS
):
1466 match
= pattern
.match(value
)
1467 if match
is not None:
1468 keys
= name
.replace("+", "_").replace("*", "_").split("_")
1469 values
= match
.groups()
1470 match
= dict(zip(keys
, values
))
1471 CR
= int(match
["CR"])
1475 N
= int(match
.get("N", "1"))
1476 BIT
= self
.__class
__.CONDS
[match
.get("BIT", "lt")]
1477 value
= ((CR
* N
) + BIT
)
1484 return super().assemble(value
=value
, insn
=insn
, prefix
="cr")
1486 def disassemble(self
, insn
,
1487 style
=Style
.NORMAL
, prefix
="", indent
=""):
1488 (vector
, value
, span
) = self
.sv_spec(insn
=insn
)
1490 if style
>= Style
.VERBOSE
:
1491 mode
= "vector" if vector
else "scalar"
1492 yield f
"{indent}{self.name} ({mode})"
1493 yield f
"{indent}{indent}{int(value):0{value.bits}b}"
1494 yield f
"{indent}{indent}{', '.join(span)}"
1495 if isinstance(insn
, SVP64Instruction
):
1496 for extra_idx
in frozenset(self
.extra_idx
):
1497 if self
.record
.etype
is _SVEType
.NONE
:
1498 yield f
"{indent}{indent}extra[none]"
1500 etype
= repr(self
.record
.etype
).lower()
1501 yield f
"{indent}{indent}{etype}{extra_idx!r}"
1503 vector
= "*" if vector
else ""
1504 CR
= int(value
>> 2)
1506 cond
= ("lt", "gt", "eq", "so")[CC
]
1507 if style
>= Style
.NORMAL
:
1509 if isinstance(insn
, SVP64Instruction
):
1510 yield f
"{vector}cr{CR}.{cond}"
1512 yield f
"4*cr{CR}+{cond}"
1516 yield f
"{vector}{prefix}{int(value)}"
1519 class CR3Operand(ConditionRegisterFieldOperand
):
1520 def remap(self
, value
, vector
):
1521 return super().remap(value
=value
, vector
=vector
,
1522 regtype
=_RegType
.CR_3BIT
)
1525 class CR5Operand(ConditionRegisterFieldOperand
):
1526 def remap(self
, value
, vector
):
1527 return super().remap(value
=value
, vector
=vector
,
1528 regtype
=_RegType
.CR_5BIT
)
1530 def sv_spec_enter(self
, value
, span
):
1531 value
= _SelectableInt(value
=(value
.value
>> 2), bits
=3)
1532 return (value
, span
)
1534 def sv_spec_leave(self
, value
, span
, origin_value
, origin_span
):
1535 value
= _selectconcat(value
, origin_value
[3:5])
1537 return (value
, span
)
1540 class EXTSOperand(SignedOperand
):
1541 field
: str # real name to report
1542 nz
: int = 0 # number of zeros
1543 fmt
: str = "d" # integer formatter
1545 def __init__(self
, record
, name
, field
, nz
=0, fmt
="d"):
1546 self
.__field
= field
1549 return super().__init
__(record
=record
, name
=name
)
1565 return self
.record
.fields
[self
.field
]
1567 def assemble(self
, insn
, value
):
1569 if isinstance(value
, str):
1570 value
= int(value
, 0)
1571 insn
[span
] = (value
>> self
.nz
)
1573 def disassemble(self
, insn
,
1574 style
=Style
.NORMAL
, indent
=""):
1576 value
= insn
[span
].to_signed_int()
1577 sign
= "-" if (value
< 0) else ""
1578 value
= (abs(value
) << self
.nz
)
1580 if style
>= Style
.VERBOSE
:
1581 span
= (tuple(map(str, span
)) + (("{0}",) * self
.nz
))
1582 zeros
= ("0" * self
.nz
)
1583 hint
= f
"{self.name} = EXTS({self.field} || {zeros})"
1584 yield f
"{indent * 1}{hint}"
1585 yield f
"{indent * 2}{self.field}"
1586 yield f
"{indent * 3}{sign}{value:{self.fmt}}"
1587 yield f
"{indent * 3}{', '.join(span)}"
1589 yield f
"{sign}{value:{self.fmt}}"
1592 class TargetAddrOperand(EXTSOperand
):
1593 def __init__(self
, record
, name
, field
):
1594 return super().__init
__(record
=record
, name
=name
, field
=field
,
1598 class TargetAddrOperandLI(TargetAddrOperand
):
1599 def __init__(self
, record
, name
):
1600 return super().__init
__(record
=record
, name
=name
, field
="LI")
1603 class TargetAddrOperandBD(TargetAddrOperand
):
1604 def __init__(self
, record
, name
):
1605 return super().__init
__(record
=record
, name
=name
, field
="BD")
1608 class EXTSOperandDS(EXTSOperand
, ImmediateOperand
):
1609 def __init__(self
, record
, name
):
1610 return super().__init
__(record
=record
, name
=name
, field
="DS", nz
=2)
1613 class EXTSOperandDQ(EXTSOperand
, ImmediateOperand
):
1614 def __init__(self
, record
, name
):
1615 return super().__init
__(record
=record
, name
=name
, field
="DQ", nz
=4)
1618 class DOperandDX(SignedOperand
):
1621 cls
= lambda name
: DynamicOperand(record
=self
.record
, name
=name
)
1622 operands
= map(cls
, ("d0", "d1", "d2"))
1623 spans
= map(lambda operand
: operand
.span
, operands
)
1624 return sum(spans
, tuple())
1626 def disassemble(self
, insn
,
1627 style
=Style
.NORMAL
, indent
=""):
1629 value
= insn
[span
].to_signed_int()
1630 sign
= "-" if (value
< 0) else ""
1633 if style
>= Style
.VERBOSE
:
1640 for (subname
, subspan
) in mapping
.items():
1641 operand
= DynamicOperand(name
=subname
)
1643 span
= map(str, span
)
1644 yield f
"{indent}{indent}{operand.name} = D{subspan}"
1645 yield f
"{indent}{indent}{indent}{sign}{value}"
1646 yield f
"{indent}{indent}{indent}{', '.join(span)}"
1648 yield f
"{sign}{value}"
1651 class Instruction(_Mapping
):
1653 def integer(cls
, value
=0, bits
=None, byteorder
="little"):
1654 if isinstance(value
, (int, bytes
)) and not isinstance(bits
, int):
1655 raise ValueError(bits
)
1657 if isinstance(value
, bytes
):
1658 if ((len(value
) * 8) != bits
):
1659 raise ValueError(f
"bit length mismatch")
1660 value
= int.from_bytes(value
, byteorder
=byteorder
)
1662 if isinstance(value
, int):
1663 value
= _SelectableInt(value
=value
, bits
=bits
)
1664 elif isinstance(value
, Instruction
):
1665 value
= value
.storage
1667 if not isinstance(value
, _SelectableInt
):
1668 raise ValueError(value
)
1671 if len(value
) != bits
:
1672 raise ValueError(value
)
1674 value
= _SelectableInt(value
=value
, bits
=bits
)
1676 return cls(storage
=value
)
1679 return hash(int(self
))
1681 def __getitem__(self
, key
):
1682 return self
.storage
.__getitem
__(key
)
1684 def __setitem__(self
, key
, value
):
1685 return self
.storage
.__setitem
__(key
, value
)
1687 def bytes(self
, byteorder
="little"):
1688 nr_bytes
= (len(self
.__class
__) // 8)
1689 return int(self
).to_bytes(nr_bytes
, byteorder
=byteorder
)
1692 def record(cls
, db
, entry
):
1695 raise KeyError(entry
)
1699 def operands(cls
, record
):
1700 yield from record
.operands
1703 def static_operands(cls
, record
):
1704 return filter(lambda operand
: isinstance(operand
, StaticOperand
),
1705 cls
.operands(record
=record
))
1708 def dynamic_operands(cls
, record
):
1709 return filter(lambda operand
: isinstance(operand
, DynamicOperand
),
1710 cls
.operands(record
=record
))
1712 def spec(self
, record
, prefix
):
1713 dynamic_operands
= tuple(map(_operator
.itemgetter(0),
1714 self
.spec_dynamic_operands(record
=record
)))
1716 static_operands
= []
1717 for (name
, value
) in self
.spec_static_operands(record
=record
):
1718 static_operands
.append(f
"{name}={value}")
1721 if dynamic_operands
:
1723 operands
+= ",".join(dynamic_operands
)
1726 operands
+= " ".join(static_operands
)
1728 return f
"{prefix}{record.name}{operands}"
1730 def spec_static_operands(self
, record
):
1731 for operand
in self
.static_operands(record
=record
):
1732 if not isinstance(operand
, (POStaticOperand
, XOStaticOperand
)):
1733 yield (operand
.name
, operand
.value
)
1735 def spec_dynamic_operands(self
, record
, style
=Style
.NORMAL
):
1739 for operand
in self
.dynamic_operands(record
=record
):
1741 value
= " ".join(operand
.disassemble(insn
=self
,
1742 style
=min(style
, Style
.NORMAL
)))
1744 name
= f
"{imm_name}({name})"
1745 value
= f
"{imm_value}({value})"
1747 if isinstance(operand
, ImmediateOperand
):
1755 def assemble(cls
, record
, arguments
=None):
1756 if arguments
is None:
1759 insn
= cls
.integer(value
=0)
1761 for operand
in cls
.static_operands(record
=record
):
1762 operand
.assemble(insn
=insn
)
1764 arguments
= Arguments(record
=record
,
1765 arguments
=arguments
, operands
=cls
.dynamic_operands(record
=record
))
1766 for (value
, operand
) in arguments
:
1767 operand
.assemble(insn
=insn
, value
=value
)
1771 def disassemble(self
, record
,
1773 style
=Style
.NORMAL
):
1774 raise NotImplementedError()
1777 class WordInstruction(Instruction
):
1778 _
: _Field
= range(0, 32)
1779 PO
: _Field
= range(0, 6)
1782 def integer(cls
, value
, byteorder
="little"):
1783 return super().integer(bits
=32, value
=value
, byteorder
=byteorder
)
1788 for idx
in range(32):
1789 bit
= int(self
[idx
])
1791 return "".join(map(str, bits
))
1793 def disassemble(self
, record
,
1795 style
=Style
.NORMAL
):
1796 if style
<= Style
.SHORT
:
1799 blob
= self
.bytes(byteorder
=byteorder
)
1800 blob
= " ".join(map(lambda byte
: f
"{byte:02x}", blob
))
1804 yield f
"{blob}.long 0x{int(self):08x}"
1807 # awful temporary hack: workaround for ld-update
1808 # https://bugs.libre-soc.org/show_bug.cgi?id=1056#c2
1809 # XXX TODO must check that *EXTENDED* RA != extended-RT
1810 if (record
.svp64
is not None and
1811 record
.mode
== _SVMode
.LDST_IMM
and
1812 'u' in record
.name
):
1813 yield f
"{blob}.long 0x{int(self):08x}"
1817 if style
is Style
.LEGACY
:
1819 for operand
in self
.dynamic_operands(record
=record
):
1820 if isinstance(operand
, (GPRPairOperand
, FPRPairOperand
)):
1823 if style
is Style
.LEGACY
and (paired
or record
.ppc
.unofficial
):
1824 yield f
"{blob}.long 0x{int(self):08x}"
1826 operands
= tuple(map(_operator
.itemgetter(1),
1827 self
.spec_dynamic_operands(record
=record
, style
=style
)))
1829 operands
= ",".join(operands
)
1830 yield f
"{blob}{record.name} {operands}"
1832 yield f
"{blob}{record.name}"
1834 if style
>= Style
.VERBOSE
:
1836 binary
= self
.binary
1837 spec
= self
.spec(record
=record
, prefix
="")
1838 yield f
"{indent}spec"
1839 yield f
"{indent}{indent}{spec}"
1840 yield f
"{indent}pcode"
1841 for stmt
in record
.mdwn
.pcode
:
1842 yield f
"{indent}{indent}{stmt}"
1843 yield f
"{indent}binary"
1844 yield f
"{indent}{indent}[0:8] {binary[0:8]}"
1845 yield f
"{indent}{indent}[8:16] {binary[8:16]}"
1846 yield f
"{indent}{indent}[16:24] {binary[16:24]}"
1847 yield f
"{indent}{indent}[24:32] {binary[24:32]}"
1848 yield f
"{indent}opcodes"
1849 for opcode
in record
.opcodes
:
1850 yield f
"{indent}{indent}{opcode!r}"
1851 for operand
in self
.operands(record
=record
):
1852 yield from operand
.disassemble(insn
=self
,
1853 style
=style
, indent
=indent
)
1857 class PrefixedInstruction(Instruction
):
1858 class Prefix(WordInstruction
.remap(range(0, 32))):
1861 class Suffix(WordInstruction
.remap(range(32, 64))):
1864 _
: _Field
= range(64)
1870 def integer(cls
, value
, byteorder
="little"):
1871 return super().integer(bits
=64, value
=value
, byteorder
=byteorder
)
1874 def pair(cls
, prefix
=0, suffix
=0, byteorder
="little"):
1875 def transform(value
):
1876 return WordInstruction
.integer(value
=value
,
1877 byteorder
=byteorder
)[0:32]
1879 (prefix
, suffix
) = map(transform
, (prefix
, suffix
))
1880 value
= _selectconcat(prefix
, suffix
)
1882 return super().integer(bits
=64, value
=value
)
1885 class Mode(_Mapping
):
1886 _
: _Field
= range(0, 5)
1887 sel
: _Field
= (0, 1)
1890 class Extra(_Mapping
):
1891 _
: _Field
= range(0, 9)
1894 class Extra2(Extra
):
1895 idx0
: _Field
= range(0, 2)
1896 idx1
: _Field
= range(2, 4)
1897 idx2
: _Field
= range(4, 6)
1898 idx3
: _Field
= range(6, 8)
1900 def __getitem__(self
, key
):
1906 _SVExtra
.Idx0
: self
.idx0
,
1907 _SVExtra
.Idx1
: self
.idx1
,
1908 _SVExtra
.Idx2
: self
.idx2
,
1909 _SVExtra
.Idx3
: self
.idx3
,
1912 def __setitem__(self
, key
, value
):
1913 self
[key
].assign(value
)
1916 class Extra3(Extra
):
1917 idx0
: _Field
= range(0, 3)
1918 idx1
: _Field
= range(3, 6)
1919 idx2
: _Field
= range(6, 9)
1921 def __getitem__(self
, key
):
1926 _SVExtra
.Idx0
: self
.idx0
,
1927 _SVExtra
.Idx1
: self
.idx1
,
1928 _SVExtra
.Idx2
: self
.idx2
,
1931 def __setitem__(self
, key
, value
):
1932 self
[key
].assign(value
)
1935 class BaseRM(_Mapping
):
1936 _
: _Field
= range(24)
1937 mmode
: _Field
= (0,)
1938 mask
: _Field
= range(1, 4)
1939 elwidth
: _Field
= range(4, 6)
1940 ewsrc
: _Field
= range(6, 8)
1941 subvl
: _Field
= range(8, 10)
1942 mode
: Mode
.remap(range(19, 24))
1943 smask_extra322
: _Field
= (6,7,18,) # LDST_IDX is EXTRA332
1944 smask
: _Field
= range(16, 19) # everything else use this
1945 extra
: Extra
.remap(range(10, 19))
1946 extra2
: Extra2
.remap(range(10, 19))
1947 extra3
: Extra3
.remap(range(10, 19))
1948 # XXX extra332 = (extra3[0], extra3[1], extra2[3])
1950 def specifiers(self
, record
):
1951 subvl
= int(self
.subvl
)
1959 def disassemble(self
, style
=Style
.NORMAL
):
1960 if style
>= Style
.VERBOSE
:
1962 for (name
, span
) in self
.traverse(path
="RM"):
1963 value
= self
.storage
[span
]
1965 yield f
"{indent}{int(value):0{value.bits}b}"
1966 yield f
"{indent}{', '.join(map(str, span))}"
1969 class FFRc1BaseRM(BaseRM
):
1970 def specifiers(self
, record
, mode
):
1971 inv
= _SelectableInt(value
=int(self
.inv
), bits
=1)
1972 CR
= _SelectableInt(value
=int(self
.CR
), bits
=2)
1973 mask
= int(_selectconcat(CR
, inv
))
1974 predicate
= PredicateBaseRM
.predicate(True, mask
)
1975 yield f
"{mode}={predicate}"
1977 yield from super().specifiers(record
=record
)
1980 class FFRc0BaseRM(BaseRM
):
1981 def specifiers(self
, record
, mode
):
1983 inv
= "~" if self
.inv
else ""
1984 yield f
"{mode}={inv}RC1"
1986 yield from super().specifiers(record
=record
)
1989 class SatBaseRM(BaseRM
):
1990 def specifiers(self
, record
):
1996 yield from super().specifiers(record
=record
)
1999 class ZZBaseRM(BaseRM
):
2000 def specifiers(self
, record
):
2004 yield from super().specifiers(record
=record
)
2007 class ZZCombinedBaseRM(BaseRM
):
2008 def specifiers(self
, record
):
2009 if self
.sz
and self
.dz
:
2016 yield from super().specifiers(record
=record
)
2019 class DZBaseRM(BaseRM
):
2020 def specifiers(self
, record
):
2024 yield from super().specifiers(record
=record
)
2027 class SZBaseRM(BaseRM
):
2028 def specifiers(self
, record
):
2032 yield from super().specifiers(record
=record
)
2035 class MRBaseRM(BaseRM
):
2036 def specifiers(self
, record
):
2042 yield from super().specifiers(record
=record
)
2045 class ElsBaseRM(BaseRM
):
2046 def specifiers(self
, record
):
2050 yield from super().specifiers(record
=record
)
2053 class WidthBaseRM(BaseRM
):
2055 def width(FP
, width
):
2064 width
= ("fp" + width
)
2067 def specifiers(self
, record
):
2068 # elwidths: use "w=" if same otherwise dw/sw
2069 # FIXME this should consider FP instructions
2071 dw
= WidthBaseRM
.width(FP
, int(self
.elwidth
))
2072 sw
= WidthBaseRM
.width(FP
, int(self
.ewsrc
))
2073 if record
.svp64
.mode
is _SVMode
.CROP
:
2077 sw
= WidthBaseRM
.width(FP
, int(self
.ewsrc
))
2086 yield from super().specifiers(record
=record
)
2089 class PredicateBaseRM(BaseRM
):
2091 def predicate(CR
, mask
):
2094 (False, 0b001): "1<<r3",
2095 (False, 0b010): "r3",
2096 (False, 0b011): "~r3",
2097 (False, 0b100): "r10",
2098 (False, 0b101): "~r10",
2099 (False, 0b110): "r30",
2100 (False, 0b111): "~r30",
2102 (True, 0b000): "lt",
2103 (True, 0b001): "ge",
2104 (True, 0b010): "gt",
2105 (True, 0b011): "le",
2106 (True, 0b100): "eq",
2107 (True, 0b101): "ne",
2108 (True, 0b110): "so",
2109 (True, 0b111): "ns",
2112 def specifiers(self
, record
):
2113 # predication - single and twin
2114 # use "m=" if same otherwise sm/dm
2115 CR
= (int(self
.mmode
) == 1)
2116 mask
= int(self
.mask
)
2117 sm
= dm
= PredicateBaseRM
.predicate(CR
, mask
)
2118 if record
.svp64
.ptype
is _SVPType
.P2
:
2119 # LDST_IDX smask moving to extra322 but not straight away (False)
2120 if False and record
.svp64
.mode
is _SVMode
.LDST_IDX
:
2121 smask
= int(self
.smask_extra332
)
2123 smask
= int(self
.smask
)
2124 sm
= PredicateBaseRM
.predicate(CR
, smask
)
2133 yield from super().specifiers(record
=record
)
2136 class PredicateWidthBaseRM(WidthBaseRM
, PredicateBaseRM
):
2140 class SEABaseRM(BaseRM
):
2141 def specifiers(self
, record
):
2145 yield from super().specifiers(record
=record
)
2148 class VLiBaseRM(BaseRM
):
2149 def specifiers(self
, record
):
2153 yield from super().specifiers(record
=record
)
2156 class NormalBaseRM(PredicateWidthBaseRM
):
2159 https://libre-soc.org/openpower/sv/normal/
2164 class NormalSimpleRM(ZZCombinedBaseRM
, NormalBaseRM
):
2165 """normal: simple mode"""
2169 def specifiers(self
, record
):
2170 yield from super().specifiers(record
=record
)
2173 class NormalMRRM(MRBaseRM
, NormalBaseRM
):
2174 """normal: scalar reduce mode (mapreduce), SUBVL=1"""
2178 class NormalFFRc1RM(FFRc1BaseRM
, VLiBaseRM
, NormalBaseRM
):
2179 """normal: Rc=1: ffirst CR sel"""
2182 CR
: BaseRM
.mode
[3, 4]
2184 def specifiers(self
, record
):
2185 yield from super().specifiers(record
=record
, mode
="ff")
2188 class NormalFFRc0RM(FFRc0BaseRM
, VLiBaseRM
, NormalBaseRM
):
2189 """normal: Rc=0: ffirst z/nonz"""
2194 def specifiers(self
, record
):
2195 yield from super().specifiers(record
=record
, mode
="ff")
2198 class NormalSatRM(SatBaseRM
, ZZCombinedBaseRM
, NormalBaseRM
):
2199 """normal: sat mode: N=0/1 u/s, SUBVL=1"""
2205 class NormalRM(NormalBaseRM
):
2206 simple
: NormalSimpleRM
2208 ffrc1
: NormalFFRc1RM
2209 ffrc0
: NormalFFRc0RM
2213 class LDSTImmBaseRM(PredicateWidthBaseRM
):
2215 LD/ST Immediate mode
2216 https://libre-soc.org/openpower/sv/ldst/
2221 class LDSTImmSimpleRM(ElsBaseRM
, ZZBaseRM
, LDSTImmBaseRM
):
2222 """ld/st immediate: simple mode"""
2223 pi
: BaseRM
.mode
[2] # Post-Increment Mode
2224 lf
: BaseRM
.mode
[4] # Fault-First Mode (not *Data-Dependent* Fail-First)
2230 def specifiers(self
, record
):
2236 yield from super().specifiers(record
=record
)
2239 class LDSTFFRc1RM(FFRc1BaseRM
, VLiBaseRM
, LDSTImmBaseRM
):
2240 """ld/st immediate&indexed: Rc=1: ffirst CR sel"""
2243 CR
: BaseRM
.mode
[3, 4]
2245 def specifiers(self
, record
):
2246 yield from super().specifiers(record
=record
, mode
="ff")
2249 class LDSTFFRc0RM(FFRc0BaseRM
, VLiBaseRM
, LDSTImmBaseRM
):
2250 """ld/st immediate&indexed: Rc=0: ffirst z/nonz"""
2255 def specifiers(self
, record
):
2256 yield from super().specifiers(record
=record
, mode
="ff")
2259 class LDSTImmRM(LDSTImmBaseRM
):
2260 simple
: LDSTImmSimpleRM
2265 class LDSTIdxBaseRM(PredicateWidthBaseRM
):
2268 https://libre-soc.org/openpower/sv/ldst/
2273 class LDSTIdxSimpleRM(SEABaseRM
, ZZBaseRM
, LDSTIdxBaseRM
):
2274 """ld/st index: simple mode (includes element-strided and Signed-EA)"""
2275 pi
: BaseRM
.mode
[2] # Post-Increment Mode
2282 def specifiers(self
, record
):
2288 yield from super().specifiers(record
=record
)
2291 class LDSTIdxRM(LDSTIdxBaseRM
):
2292 simple
: LDSTIdxSimpleRM
2298 class CROpBaseRM(BaseRM
):
2301 https://libre-soc.org/openpower/sv/cr_ops/
2306 class CROpSimpleRM(PredicateBaseRM
, ZZCombinedBaseRM
, CROpBaseRM
):
2307 """crop: simple mode"""
2312 def specifiers(self
, record
):
2314 yield "rg" # simple CR Mode reports /rg
2316 yield from super().specifiers(record
=record
)
2319 class CROpMRRM(MRBaseRM
, ZZCombinedBaseRM
, CROpBaseRM
):
2320 """crop: scalar reduce mode (mapreduce)"""
2326 class CROpFF5RM(FFRc0BaseRM
, PredicateBaseRM
, VLiBaseRM
, DZBaseRM
,
2327 SZBaseRM
, CROpBaseRM
):
2328 """crop: ffirst 5-bit mode"""
2335 def specifiers(self
, record
):
2336 yield from super().specifiers(record
=record
, mode
="ff")
2339 # FIXME: almost everything in this class contradicts the specs (it doesn't)
2340 # The modes however are swapped: 5-bit is 3-bit, 3-bit is 5-bit
2341 class CROpFF3RM(FFRc1BaseRM
, PredicateBaseRM
, VLiBaseRM
, ZZBaseRM
, CROpBaseRM
):
2342 """cr_op: ffirst 3-bit mode"""
2348 def specifiers(self
, record
):
2349 yield from super().specifiers(record
=record
, mode
="ff")
2352 class CROpRM(CROpBaseRM
):
2353 simple
: CROpSimpleRM
2359 # ********************
2361 # https://libre-soc.org/openpower/sv/branches/
2362 class BranchBaseRM(BaseRM
):
2372 def specifiers(self
, record
):
2384 raise ValueError(self
.sz
)
2396 # Branch modes lack source mask.
2397 # Therefore a custom code is needed.
2398 CR
= (int(self
.mmode
) == 1)
2399 mask
= int(self
.mask
)
2400 m
= PredicateBaseRM
.predicate(CR
, mask
)
2404 yield from super().specifiers(record
=record
)
2407 class BranchSimpleRM(BranchBaseRM
):
2408 """branch: simple mode"""
2412 class BranchVLSRM(BranchBaseRM
):
2413 """branch: VLSET mode"""
2417 def specifiers(self
, record
):
2423 }[int(self
.VSb
), int(self
.VLi
)]
2425 yield from super().specifiers(record
=record
)
2428 class BranchCTRRM(BranchBaseRM
):
2429 """branch: CTR-test mode"""
2432 def specifiers(self
, record
):
2438 yield from super().specifiers(record
=record
)
2441 class BranchCTRVLSRM(BranchVLSRM
, BranchCTRRM
):
2442 """branch: CTR-test+VLSET mode"""
2446 class BranchRM(BranchBaseRM
):
2447 simple
: BranchSimpleRM
2450 ctrvls
: BranchCTRVLSRM
2461 @_dataclasses.dataclass(eq
=True, frozen
=True)
2466 def match(cls
, desc
, record
):
2467 raise NotImplementedError()
2469 def validate(self
, others
):
2472 def assemble(self
, insn
):
2473 raise NotImplementedError()
2476 @_dataclasses.dataclass(eq
=True, frozen
=True)
2477 class SpecifierWidth(Specifier
):
2481 def match(cls
, desc
, record
, etalon
):
2482 (mode
, _
, value
) = desc
.partition("=")
2484 value
= value
.strip()
2487 width
= _SVP64Width(value
)
2489 return cls(record
=record
, width
=width
)
2492 @_dataclasses.dataclass(eq
=True, frozen
=True)
2493 class SpecifierW(SpecifierWidth
):
2495 def match(cls
, desc
, record
):
2496 return super().match(desc
=desc
, record
=record
, etalon
="w")
2498 def assemble(self
, insn
):
2499 selector
= insn
.select(record
=self
.record
)
2500 if self
.record
.svp64
.mode
is not _SVMode
.CROP
:
2501 selector
.ewsrc
= self
.width
.value
2502 selector
.elwidth
= self
.width
.value
2505 @_dataclasses.dataclass(eq
=True, frozen
=True)
2506 class SpecifierSW(SpecifierWidth
):
2508 def match(cls
, desc
, record
):
2509 if record
.svp64
.mode
is _SVMode
.CROP
:
2511 return super().match(desc
=desc
, record
=record
, etalon
="sw")
2513 def assemble(self
, insn
):
2514 selector
= insn
.select(record
=self
.record
)
2515 selector
.ewsrc
= self
.width
.value
2518 @_dataclasses.dataclass(eq
=True, frozen
=True)
2519 class SpecifierDW(SpecifierWidth
):
2521 def match(cls
, desc
, record
):
2522 return super().match(desc
=desc
, record
=record
, etalon
="dw")
2524 def assemble(self
, insn
):
2525 selector
= insn
.select(record
=self
.record
)
2526 selector
.elwidth
= self
.width
.value
2529 @_dataclasses.dataclass(eq
=True, frozen
=True)
2530 class SpecifierSubVL(Specifier
):
2534 def match(cls
, desc
, record
):
2536 value
= _SVP64SubVL(desc
)
2540 return cls(record
=record
, value
=value
)
2542 def assemble(self
, insn
):
2543 selector
= insn
.select(record
=self
.record
)
2544 selector
.subvl
= int(self
.value
.value
)
2547 @_dataclasses.dataclass(eq
=True, frozen
=True)
2548 class SpecifierPredicate(Specifier
):
2553 def match(cls
, desc
, record
, mode_match
, pred_match
):
2554 (mode
, _
, pred
) = desc
.partition("=")
2557 if not mode_match(mode
):
2560 pred
= _SVP64Pred(pred
.strip())
2561 if not pred_match(pred
):
2562 raise ValueError(pred
)
2564 return cls(record
=record
, mode
=mode
, pred
=pred
)
2567 @_dataclasses.dataclass(eq
=True, frozen
=True)
2568 class SpecifierFF(SpecifierPredicate
):
2570 def match(cls
, desc
, record
):
2571 return super().match(desc
=desc
, record
=record
,
2572 mode_match
=lambda mode_arg
: mode_arg
== "ff",
2573 pred_match
=lambda pred_arg
: pred_arg
.mode
in (
2578 def assemble(self
, insn
):
2579 selector
= insn
.select(record
=self
.record
)
2580 if selector
.mode
.sel
!= 0:
2581 raise ValueError("cannot override mode")
2582 if self
.record
.svp64
.mode
is _SVMode
.CROP
:
2583 selector
.mode
.sel
= 0b01
2584 # HACK: please finally provide correct logic for CRs.
2585 if self
.pred
in (_SVP64Pred
.RC1
, _SVP64Pred
.RC1_N
):
2586 selector
.mode
[2] = (self
.pred
is _SVP64Pred
.RC1_N
)
2588 selector
.mode
[2] = self
.pred
.inv
2589 selector
.mode
[3, 4] = self
.pred
.state
2591 selector
.mode
.sel
= 0b01 if self
.mode
== "ff" else 0b11
2592 selector
.inv
= self
.pred
.inv
2594 selector
.CR
= self
.pred
.state
2596 selector
.RC1
= self
.pred
.state
2599 @_dataclasses.dataclass(eq
=True, frozen
=True)
2600 class SpecifierMask(SpecifierPredicate
):
2602 def match(cls
, desc
, record
, mode
):
2603 return super().match(desc
=desc
, record
=record
,
2604 mode_match
=lambda mode_arg
: mode_arg
== mode
,
2605 pred_match
=lambda pred_arg
: pred_arg
.mode
in (
2610 def assemble(self
, insn
):
2611 raise NotImplementedError()
2614 @_dataclasses.dataclass(eq
=True, frozen
=True)
2615 class SpecifierM(SpecifierMask
):
2617 def match(cls
, desc
, record
):
2618 return super().match(desc
=desc
, record
=record
, mode
="m")
2620 def validate(self
, others
):
2622 if isinstance(spec
, SpecifierSM
):
2623 raise ValueError("source-mask and predicate mask conflict")
2624 elif isinstance(spec
, SpecifierDM
):
2625 raise ValueError("dest-mask and predicate mask conflict")
2627 def assemble(self
, insn
):
2628 selector
= insn
.select(record
=self
.record
)
2629 selector
.mask
= int(self
.pred
)
2630 if ((self
.record
.ptype
is _SVPType
.P2
) and
2631 (self
.record
.svp64
.mode
is not _SVMode
.BRANCH
)):
2632 selector
.smask
= int(self
.pred
)
2633 # LDST_IDX smask moving to extra322 but not straight away (False)
2634 if False and self
.record
.svp64
.mode
is _SVMode
.LDST_IDX
:
2635 selector
.smask_extra332
= int(self
.pred
)
2637 selector
.smask
= int(self
.pred
)
2639 selector
.mmode
= (self
.pred
.mode
is _SVP64PredMode
.CR
)
2642 @_dataclasses.dataclass(eq
=True, frozen
=True)
2643 class SpecifierSM(SpecifierMask
):
2645 def match(cls
, desc
, record
):
2646 return super().match(desc
=desc
, record
=record
, mode
="sm")
2648 def validate(self
, others
):
2649 if self
.record
.svp64
.ptype
is _SVPType
.P1
:
2650 raise ValueError("source-mask on non-twin predicate")
2652 if self
.pred
.mode
is _SVP64PredMode
.CR
:
2655 if isinstance(spec
, SpecifierDM
):
2659 raise ValueError("missing dest-mask in CR twin predication")
2660 if self
.pred
.mode
!= twin
.pred
.mode
:
2661 raise ValueError(f
"predicate masks mismatch: "
2662 f
"{self.pred!r} vs {twin.pred!r}")
2664 def assemble(self
, insn
):
2665 selector
= insn
.select(record
=self
.record
)
2666 # LDST_IDX smask moving to extra322 but not straight away (False)
2667 if False and self
.record
.svp64
.mode
is _SVMode
.LDST_IDX
:
2668 selector
.smask_extra332
= int(self
.pred
)
2670 selector
.smask
= int(self
.pred
)
2671 selector
.mmode
= (self
.pred
.mode
is _SVP64PredMode
.CR
)
2674 @_dataclasses.dataclass(eq
=True, frozen
=True)
2675 class SpecifierDM(SpecifierMask
):
2677 def match(cls
, desc
, record
):
2678 return super().match(desc
=desc
, record
=record
, mode
="dm")
2680 def validate(self
, others
):
2681 if self
.record
.svp64
.ptype
is _SVPType
.P1
:
2682 raise ValueError("dest-mask on non-twin predicate")
2684 if self
.pred
.mode
is _SVP64PredMode
.CR
:
2687 if isinstance(spec
, SpecifierSM
):
2691 raise ValueError("missing source-mask in CR twin predication")
2692 if self
.pred
.mode
!= twin
.pred
.mode
:
2693 raise ValueError(f
"predicate masks mismatch: "
2694 f
"{self.pred!r} vs {twin.pred!r}")
2696 def assemble(self
, insn
):
2697 selector
= insn
.select(record
=self
.record
)
2698 selector
.mask
= int(self
.pred
)
2699 selector
.mmode
= (self
.pred
.mode
is _SVP64PredMode
.CR
)
2702 @_dataclasses.dataclass(eq
=True, frozen
=True)
2703 class SpecifierZZ(Specifier
):
2705 def match(cls
, desc
, record
):
2709 return cls(record
=record
)
2711 def validate(self
, others
):
2713 # Since zz takes precedence (overrides) sz and dz,
2714 # treat them as mutually exclusive.
2715 if isinstance(spec
, (SpecifierSZ
, SpecifierDZ
)):
2716 raise ValueError("mutually exclusive predicate masks")
2718 def assemble(self
, insn
):
2719 selector
= insn
.select(record
=self
.record
)
2720 if hasattr(selector
, "zz"): # this should be done in a different way
2727 @_dataclasses.dataclass(eq
=True, frozen
=True)
2728 class SpecifierXZ(Specifier
):
2730 hint
: str = _dataclasses
.field(repr=False)
2733 def match(cls
, desc
, record
, etalon
, hint
):
2737 return cls(desc
=desc
, record
=record
, hint
=hint
)
2739 def validate(self
, others
):
2740 if self
.record
.svp64
.ptype
is _SVPType
.P1
:
2741 raise ValueError(f
"{self.hint} on non-twin predicate")
2743 if self
.pred
.mode
is _SVP64PredMode
.CR
:
2746 if isinstance(spec
, SpecifierXZ
):
2750 raise ValueError(f
"missing {self.hint} in CR twin predication")
2751 if self
.pred
!= twin
.pred
:
2752 raise ValueError(f
"predicate masks mismatch: "
2753 f
"{self.pred!r} vs {twin.pred!r}")
2755 def assemble(self
, insn
):
2756 selector
= insn
.select(record
=self
.record
)
2757 setattr(selector
, self
.desc
, 1)
2760 @_dataclasses.dataclass(eq
=True, frozen
=True)
2761 class SpecifierSZ(SpecifierXZ
):
2763 def match(cls
, desc
, record
):
2764 return super().match(desc
=desc
, record
=record
,
2765 etalon
="sz", hint
="source-mask")
2767 def validate(self
, others
):
2769 if self
.record
.svp64
.mode
is not _SVMode
.CROP
:
2770 if isinstance(spec
, SpecifierFF
):
2771 raise ValueError("source-zero not allowed in ff mode")
2774 @_dataclasses.dataclass(eq
=True, frozen
=True)
2775 class SpecifierDZ(SpecifierXZ
):
2777 def match(cls
, desc
, record
):
2778 return super().match(desc
=desc
, record
=record
,
2779 etalon
="dz", hint
="dest-mask")
2781 def validate(self
, others
):
2783 if ((self
.record
.svp64
.mode
is not _SVMode
.CROP
) and
2784 isinstance(spec
, SpecifierFF
) and
2785 (spec
.pred
.mode
is _SVP64PredMode
.RC1
)):
2786 raise ValueError(f
"dest-zero not allowed in ff mode BO")
2789 @_dataclasses.dataclass(eq
=True, frozen
=True)
2790 class SpecifierEls(Specifier
):
2792 def match(cls
, desc
, record
):
2796 if record
.svp64
.mode
not in (_SVMode
.LDST_IMM
, _SVMode
.LDST_IDX
):
2797 raise ValueError("els is only valid in ld/st modes, not "
2798 "%s" % str(self
.record
.svp64
.mode
))
2800 return cls(record
=record
)
2802 def assemble(self
, insn
):
2803 if self
.record
.svp64
.mode
is _SVMode
.LDST_IDX
: # stride mode
2804 insn
.prefix
.rm
.mode
[1] = 0
2806 selector
= insn
.select(record
=self
.record
)
2811 @_dataclasses.dataclass(eq
=True, frozen
=True)
2812 class SpecifierSEA(Specifier
):
2814 def match(cls
, desc
, record
):
2818 return cls(record
=record
)
2820 def validate(self
, others
):
2821 if self
.record
.svp64
.mode
is not _SVMode
.LDST_IDX
:
2822 raise ValueError("sea is only valid in ld/st modes, not "
2823 "%s" % str(self
.record
.svp64
.mode
))
2826 if isinstance(spec
, SpecifierFF
):
2827 raise ValueError(f
"sea cannot be used in ff mode")
2829 def assemble(self
, insn
):
2830 selector
= insn
.select(record
=self
.record
)
2831 if selector
.mode
.sel
not in (0b10, 0b00):
2832 raise ValueError("sea is only valid for normal and els modes, "
2833 "not %d" % int(selector
.mode
.sel
))
2837 @_dataclasses.dataclass(eq
=True, frozen
=True)
2838 class SpecifierSat(Specifier
):
2843 def match(cls
, desc
, record
, etalon
, sign
):
2847 if record
.svp64
.mode
not in (_SVMode
.NORMAL
, _SVMode
.LDST_IMM
,
2849 raise ValueError("only normal, ld/st imm and "
2850 "ld/st idx modes supported")
2852 return cls(record
=record
, desc
=desc
, sign
=sign
)
2854 def assemble(self
, insn
):
2855 selector
= insn
.select(record
=self
.record
)
2856 selector
.mode
[0] = 0b1
2857 selector
.mode
[1] = 0b0
2858 selector
.N
= int(self
.sign
)
2861 @_dataclasses.dataclass(eq
=True, frozen
=True)
2862 class SpecifierSatS(SpecifierSat
):
2864 def match(cls
, desc
, record
):
2865 return super().match(desc
=desc
, record
=record
,
2866 etalon
="sats", sign
=True)
2869 @_dataclasses.dataclass(eq
=True, frozen
=True)
2870 class SpecifierSatU(SpecifierSat
):
2872 def match(cls
, desc
, record
):
2873 return super().match(desc
=desc
, record
=record
,
2874 etalon
="satu", sign
=False)
2877 @_dataclasses.dataclass(eq
=True, frozen
=True)
2878 class SpecifierMapReduce(Specifier
):
2882 def match(cls
, record
, RG
):
2883 if record
.svp64
.mode
not in (_SVMode
.NORMAL
, _SVMode
.CROP
):
2884 raise ValueError("only normal and crop modes supported")
2886 return cls(record
=record
, RG
=RG
)
2888 def assemble(self
, insn
):
2889 selector
= insn
.select(record
=self
.record
)
2890 if self
.record
.svp64
.mode
not in (_SVMode
.NORMAL
, _SVMode
.CROP
):
2891 raise ValueError("only normal and crop modes supported")
2892 selector
.mode
[0] = 0
2893 selector
.mode
[1] = 0
2894 selector
.mode
[2] = 1
2895 selector
.RG
= self
.RG
2898 @_dataclasses.dataclass(eq
=True, frozen
=True)
2899 class SpecifierMR(SpecifierMapReduce
):
2901 def match(cls
, desc
, record
):
2905 return super().match(record
=record
, RG
=False)
2908 @_dataclasses.dataclass(eq
=True, frozen
=True)
2909 class SpecifierMRR(SpecifierMapReduce
):
2911 def match(cls
, desc
, record
):
2915 return super().match(record
=record
, RG
=True)
2918 @_dataclasses.dataclass(eq
=True, frozen
=True)
2919 class SpecifierBranch(Specifier
):
2921 def match(cls
, desc
, record
, etalon
):
2925 if record
.svp64
.mode
is not _SVMode
.BRANCH
:
2926 raise ValueError("only branch modes supported")
2928 return cls(record
=record
)
2931 @_dataclasses.dataclass(eq
=True, frozen
=True)
2932 class SpecifierAll(SpecifierBranch
):
2934 def match(cls
, desc
, record
):
2935 return super().match(desc
=desc
, record
=record
, etalon
="all")
2937 def assemble(self
, insn
):
2938 selector
= insn
.select(record
=self
.record
)
2942 @_dataclasses.dataclass(eq
=True, frozen
=True)
2943 class SpecifierSNZ(Specifier
):
2945 def match(cls
, desc
, record
):
2949 if record
.svp64
.mode
not in (_SVMode
.BRANCH
, _SVMode
.CROP
):
2950 raise ValueError("only branch and crop modes supported")
2952 return cls(record
=record
)
2954 def assemble(self
, insn
):
2955 selector
= insn
.select(record
=self
.record
)
2956 if self
.record
.svp64
.mode
in (_SVMode
.CROP
, _SVMode
.BRANCH
):
2958 if self
.record
.svp64
.mode
is _SVMode
.BRANCH
:
2961 raise ValueError("only branch and crop modes supported")
2964 @_dataclasses.dataclass(eq
=True, frozen
=True)
2965 class SpecifierSL(SpecifierBranch
):
2967 def match(cls
, desc
, record
):
2968 return super().match(desc
=desc
, record
=record
, etalon
="sl")
2970 def assemble(self
, insn
):
2971 selector
= insn
.select(record
=self
.record
)
2975 @_dataclasses.dataclass(eq
=True, frozen
=True)
2976 class SpecifierSLu(SpecifierBranch
):
2978 def match(cls
, desc
, record
):
2979 return super().match(desc
=desc
, record
=record
, etalon
="slu")
2981 def assemble(self
, insn
):
2982 selector
= insn
.select(record
=self
.record
)
2986 @_dataclasses.dataclass(eq
=True, frozen
=True)
2987 class SpecifierLRu(SpecifierBranch
):
2989 def match(cls
, desc
, record
):
2990 return super().match(desc
=desc
, record
=record
, etalon
="lru")
2992 def assemble(self
, insn
):
2993 selector
= insn
.select(record
=self
.record
)
2997 @_dataclasses.dataclass(eq
=True, frozen
=True)
2998 class SpecifierVSXX(SpecifierBranch
):
3003 def match(cls
, desc
, record
, etalon
, VSb
, VLi
):
3007 if record
.svp64
.mode
is not _SVMode
.BRANCH
:
3008 raise ValueError("only branch modes supported")
3010 return cls(record
=record
, VSb
=VSb
, VLi
=VLi
)
3012 def assemble(self
, insn
):
3013 selector
= insn
.select(record
=self
.record
)
3015 selector
.VSb
= int(self
.VSb
)
3016 selector
.VLi
= int(self
.VLi
)
3019 @_dataclasses.dataclass(eq
=True, frozen
=True)
3020 class SpecifierVS(SpecifierVSXX
):
3022 def match(cls
, desc
, record
):
3023 return super().match(desc
=desc
, record
=record
,
3024 etalon
="vs", VSb
=False, VLi
=False)
3027 @_dataclasses.dataclass(eq
=True, frozen
=True)
3028 class SpecifierVSi(SpecifierVSXX
):
3030 def match(cls
, desc
, record
):
3031 return super().match(desc
=desc
, record
=record
,
3032 etalon
="vsi", VSb
=False, VLi
=True)
3035 @_dataclasses.dataclass(eq
=True, frozen
=True)
3036 class SpecifierVSb(SpecifierVSXX
):
3038 def match(cls
, desc
, record
):
3039 return super().match(desc
=desc
, record
=record
,
3040 etalon
="vsb", VSb
=True, VLi
=False)
3043 @_dataclasses.dataclass(eq
=True, frozen
=True)
3044 class SpecifierVSbi(SpecifierVSXX
):
3046 def match(cls
, desc
, record
):
3047 return super().match(desc
=desc
, record
=record
,
3048 etalon
="vsbi", VSb
=True, VLi
=True)
3051 @_dataclasses.dataclass(eq
=True, frozen
=True)
3052 class SpecifierCTX(Specifier
):
3056 def match(cls
, desc
, record
, etalon
, CTi
):
3060 if record
.svp64
.mode
is not _SVMode
.BRANCH
:
3061 raise ValueError("only branch modes supported")
3063 return cls(record
=record
, CTi
=CTi
)
3065 def assemble(self
, insn
):
3066 selector
= insn
.select(record
=self
.record
)
3068 selector
.CTi
= int(self
.CTi
)
3071 @_dataclasses.dataclass(eq
=True, frozen
=True)
3072 class SpecifierCTR(SpecifierCTX
):
3074 def match(cls
, desc
, record
):
3075 return super().match(desc
=desc
, record
=record
,
3076 etalon
="ctr", CTi
=False)
3079 @_dataclasses.dataclass(eq
=True, frozen
=True)
3080 class SpecifierCTi(SpecifierCTX
):
3082 def match(cls
, desc
, record
):
3083 return super().match(desc
=desc
, record
=record
,
3084 etalon
="cti", CTi
=True)
3087 @_dataclasses.dataclass(eq
=True, frozen
=True)
3088 class SpecifierPI(Specifier
):
3090 def match(cls
, desc
, record
):
3094 if record
.svp64
.mode
not in [_SVMode
.LDST_IMM
, _SVMode
.LDST_IDX
]:
3095 raise ValueError("only ld/st imm/idx mode supported")
3097 return cls(record
=record
)
3099 def assemble(self
, insn
):
3100 selector
= insn
.select(record
=self
.record
)
3101 selector
.mode
[2] = 0b1
3105 @_dataclasses.dataclass(eq
=True, frozen
=True)
3106 class SpecifierLF(Specifier
):
3108 def match(cls
, desc
, record
):
3112 if record
.svp64
.mode
is not _SVMode
.LDST_IMM
:
3113 raise ValueError("only ld/st imm mode supported")
3115 return cls(record
=record
)
3117 def assemble(self
, insn
):
3118 selector
= insn
.select(record
=self
.record
)
3119 selector
.mode
[1] = 0
3123 @_dataclasses.dataclass(eq
=True, frozen
=True)
3124 class SpecifierVLi(Specifier
):
3126 def match(cls
, desc
, record
):
3130 return cls(record
=record
)
3132 def validate(self
, others
):
3134 if isinstance(spec
, SpecifierFF
):
3137 raise ValueError("VLi only allowed in failfirst")
3139 def assemble(self
, insn
):
3140 selector
= insn
.select(record
=self
.record
)
3141 selector
.mode
[1] = 1
3145 class Specifiers(tuple):
3180 def __new__(cls
, items
, record
):
3181 def transform(item
):
3182 for spec_cls
in cls
.SPECS
:
3183 spec
= spec_cls
.match(item
, record
=record
)
3184 if spec
is not None:
3186 raise ValueError(item
)
3188 # TODO: remove this hack
3189 items
= dict.fromkeys(items
)
3193 items
= tuple(items
)
3195 specs
= tuple(map(transform
, items
))
3196 for (index
, spec
) in enumerate(specs
):
3197 head
= specs
[:index
]
3198 tail
= specs
[index
+ 1:]
3199 spec
.validate(others
=(head
+ tail
))
3201 return super().__new
__(cls
, specs
)
3204 class SVP64OperandMeta(type):
3205 class SVP64NonZeroOperand(NonZeroOperand
):
3206 def assemble(self
, insn
, value
):
3207 if isinstance(value
, str):
3208 value
= int(value
, 0)
3209 if not isinstance(value
, int):
3210 raise ValueError("non-integer operand")
3212 # FIXME: this is really weird
3213 if self
.record
.name
in ("svstep", "svstep."):
3214 value
+= 1 # compensation
3216 return super().assemble(value
=value
, insn
=insn
)
3218 class SVP64XOStaticOperand(SpanStaticOperand
):
3219 def __init__(self
, record
, value
, span
):
3220 return super().__init
__(record
=record
, name
="XO",
3221 value
=value
, span
=span
)
3224 NonZeroOperand
: SVP64NonZeroOperand
,
3225 XOStaticOperand
: SVP64XOStaticOperand
,
3228 def __new__(metacls
, name
, bases
, ns
):
3230 for (index
, base_cls
) in enumerate(bases
):
3231 bases
[index
] = metacls
.__TRANSFORM
.get(base_cls
, base_cls
)
3233 bases
= tuple(bases
)
3235 return super().__new
__(metacls
, name
, bases
, ns
)
3238 class SVP64Operand(Operand
, metaclass
=SVP64OperandMeta
):
3241 return tuple(map(lambda bit
: (bit
+ 32), super().span
))
3245 def __init__(self
, insn
, record
):
3247 self
.__record
= record
3248 return super().__init
__()
3251 return self
.rm
.__doc
__
3254 return repr(self
.rm
)
3262 return self
.__record
3266 rm
= getattr(self
.insn
.prefix
.rm
, self
.record
.svp64
.mode
.name
.lower())
3268 # The idea behind these tables is that they are now literally
3269 # in identical format to insndb.csv and minor_xx.csv and can
3270 # be done precisely as that. The only thing to watch out for
3271 # is the insertion of Rc=1 as a "mask/value" bit and likewise
3272 # regtype detection (3-bit BF/BFA, 5-bit BA/BB/BT) also inserted
3275 if self
.record
.svp64
.mode
is _SVMode
.NORMAL
:
3276 # concatenate mode 5-bit with Rc (LSB) then do a mask/map search
3277 # mode Rc mask Rc member
3279 (0b000000, 0b111000, "simple"), # simple (no Rc)
3280 (0b001000, 0b111100, "mr"), # mapreduce (no Rc)
3281 (0b010001, 0b010001, "ffrc1"), # ffirst, Rc=1
3282 (0b010000, 0b010001, "ffrc0"), # ffirst, Rc=0
3283 (0b100000, 0b110000, "sat"), # saturation (no Rc)
3284 (0b001100, 0b111100, "rsvd"), # reserved
3286 mode
= int(self
.insn
.prefix
.rm
.normal
.mode
)
3287 search
= ((mode
<< 1) | self
.record
.Rc
)
3289 elif self
.record
.svp64
.mode
is _SVMode
.LDST_IMM
:
3290 # concatenate mode 5-bit with Rc (LSB) then do a mask/map search
3291 # mode Rc mask Rc member
3292 # ironically/coincidentally this table is identical to NORMAL
3293 # mode except reserved in place of mr
3295 (0b000000, 0b010000, "simple"), # simple (no Rc involved)
3296 (0b010001, 0b010001, "ffrc1"), # ffirst, Rc=1
3297 (0b010000, 0b010001, "ffrc0"), # ffirst, Rc=0
3299 search
= ((int(self
.insn
.prefix
.rm
.ldst_imm
.mode
) << 1) |
3302 elif self
.record
.svp64
.mode
is _SVMode
.LDST_IDX
:
3303 # concatenate mode 5-bit with Rc (LSB) then do a mask/map search
3304 # mode Rc mask Rc member
3306 (0b000000, 0b010000, "simple"), # simple (no Rc involved)
3307 (0b010001, 0b010001, "ffrc1"), # ffirst, Rc=1
3308 (0b010000, 0b010001, "ffrc0"), # ffirst, Rc=0
3310 search
= ((int(self
.insn
.prefix
.rm
.ldst_idx
.mode
) << 1) |
3313 elif self
.record
.svp64
.mode
is _SVMode
.CROP
:
3314 # concatenate mode 5-bit with regtype (LSB) then do mask/map search
3315 # mode 3b mask 3b member
3317 (0b000000, 0b111000, "simple"), # simple
3318 (0b001000, 0b111000, "mr"), # mapreduce
3319 (0b010001, 0b010001, "ff3"), # ffirst, 3-bit CR
3320 (0b010000, 0b010000, "ff5"), # ffirst, 5-bit CR
3322 search
= ((int(self
.insn
.prefix
.rm
.crop
.mode
) << 1) |
3323 int(self
.record
.svp64
.extra_CR_3bit
))
3325 elif self
.record
.svp64
.mode
is _SVMode
.BRANCH
:
3329 (0b00, 0b11, "simple"), # simple
3330 (0b01, 0b11, "vls"), # VLset
3331 (0b10, 0b11, "ctr"), # CTR mode
3332 (0b11, 0b11, "ctrvls"), # CTR+VLset mode
3334 # slightly weird: doesn't have a 5-bit "mode" field like others
3335 search
= int(self
.insn
.prefix
.rm
.branch
.mode
.sel
)
3338 if table
is not None:
3339 for (value
, mask
, field
) in table
:
3340 if field
.startswith("rsvd"):
3342 if ((value
& mask
) == (search
& mask
)):
3343 return getattr(rm
, field
)
3347 def __getattr__(self
, key
):
3348 if key
.startswith(f
"_{self.__class__.__name__}__"):
3349 return super().__getattribute
__(key
)
3351 return getattr(self
.rm
, key
)
3353 def __setattr__(self
, key
, value
):
3354 if key
.startswith(f
"_{self.__class__.__name__}__"):
3355 return super().__setattr
__(key
, value
)
3358 if not hasattr(rm
, key
):
3359 raise AttributeError(key
)
3361 return setattr(rm
, key
, value
)
3364 class SVP64Instruction(PrefixedInstruction
):
3365 """SVP64 instruction: https://libre-soc.org/openpower/sv/svp64/"""
3366 class Prefix(PrefixedInstruction
.Prefix
):
3368 rm
: RM
.remap((6, 8) + tuple(range(10, 32)))
3372 def select(self
, record
):
3373 return RMSelector(insn
=self
, record
=record
)
3378 for idx
in range(64):
3379 bit
= int(self
[idx
])
3381 return "".join(map(str, bits
))
3384 def assemble(cls
, record
, arguments
=None, specifiers
=None):
3385 insn
= super().assemble(record
=record
, arguments
=arguments
)
3387 specifiers
= Specifiers(items
=specifiers
, record
=record
)
3388 for specifier
in specifiers
:
3389 specifier
.assemble(insn
=insn
)
3391 insn
.prefix
.PO
= 0x1
3392 insn
.prefix
.id = 0x3
3396 def disassemble(self
, record
,
3398 style
=Style
.NORMAL
):
3400 if style
<= Style
.SHORT
:
3403 blob
= insn
.bytes(byteorder
=byteorder
)
3404 blob
= " ".join(map(lambda byte
: f
"{byte:02x}", blob
))
3407 blob_prefix
= blob(self
.prefix
)
3408 blob_suffix
= blob(self
.suffix
)
3410 yield f
"{blob_prefix}.long 0x{int(self.prefix):08x}"
3411 yield f
"{blob_suffix}.long 0x{int(self.suffix):08x}"
3414 assert record
.svp64
is not None
3416 name
= f
"sv.{record.name}"
3418 rm
= self
.select(record
=record
)
3420 # convert specifiers to /x/y/z (sorted lexicographically)
3421 specifiers
= sorted(rm
.specifiers(record
=record
))
3422 if specifiers
: # if any add one extra to get the extra "/"
3423 specifiers
= ([""] + specifiers
)
3424 specifiers
= "/".join(specifiers
)
3426 # convert operands to " ,x,y,z"
3427 operands
= tuple(map(_operator
.itemgetter(1),
3428 self
.spec_dynamic_operands(record
=record
, style
=style
)))
3429 operands
= ",".join(operands
)
3430 if len(operands
) > 0: # if any separate with a space
3431 operands
= (" " + operands
)
3433 if style
<= Style
.LEGACY
:
3434 yield f
"{blob_prefix}.long 0x{int(self.prefix):08x}"
3435 suffix
= WordInstruction
.integer(value
=int(self
.suffix
))
3436 yield from suffix
.disassemble(record
=record
,
3437 byteorder
=byteorder
, style
=style
)
3439 yield f
"{blob_prefix}{name}{specifiers}{operands}"
3441 yield f
"{blob_suffix}"
3443 if style
>= Style
.VERBOSE
:
3445 binary
= self
.binary
3446 spec
= self
.spec(record
=record
, prefix
="sv.")
3448 yield f
"{indent}spec"
3449 yield f
"{indent}{indent}{spec}"
3450 yield f
"{indent}pcode"
3451 for stmt
in record
.mdwn
.pcode
:
3452 yield f
"{indent}{indent}{stmt}"
3453 yield f
"{indent}binary"
3454 yield f
"{indent}{indent}[0:8] {binary[0:8]}"
3455 yield f
"{indent}{indent}[8:16] {binary[8:16]}"
3456 yield f
"{indent}{indent}[16:24] {binary[16:24]}"
3457 yield f
"{indent}{indent}[24:32] {binary[24:32]}"
3458 yield f
"{indent}{indent}[32:40] {binary[32:40]}"
3459 yield f
"{indent}{indent}[40:48] {binary[40:48]}"
3460 yield f
"{indent}{indent}[48:56] {binary[48:56]}"
3461 yield f
"{indent}{indent}[56:64] {binary[56:64]}"
3462 yield f
"{indent}opcodes"
3463 for opcode
in record
.opcodes
:
3464 yield f
"{indent}{indent}{opcode!r}"
3465 for operand
in self
.operands(record
=record
):
3466 yield from operand
.disassemble(insn
=self
,
3467 style
=style
, indent
=indent
)
3469 yield f
"{indent}{indent}{str(rm)}"
3470 for line
in rm
.disassemble(style
=style
):
3471 yield f
"{indent}{indent}{line}"
3475 def operands(cls
, record
):
3476 for operand
in super().operands(record
=record
):
3477 parent
= operand
.__class
__
3478 name
= f
"SVP64{parent.__name__}"
3479 bases
= (SVP64Operand
, parent
)
3480 child
= type(name
, bases
, {})
3481 yield child(**dict(operand
))
3484 def parse(stream
, factory
):
3486 return ("TODO" not in frozenset(entry
.values()))
3488 lines
= filter(lambda line
: not line
.strip().startswith("#"), stream
)
3489 entries
= _csv
.DictReader(lines
)
3490 entries
= filter(match
, entries
)
3491 return tuple(map(factory
, entries
))
3494 class MarkdownDatabase
:
3497 for (name
, desc
) in _ISA():
3500 (dynamic
, *static
) = desc
.regs
3501 operands
.extend(dynamic
)
3502 operands
.extend(static
)
3503 pcode
= PCode(iterable
=filter(str.strip
, desc
.pcode
))
3504 operands
= Operands(insn
=name
, operands
=operands
)
3505 db
[name
] = MarkdownRecord(pcode
=pcode
, operands
=operands
)
3507 self
.__db
= dict(sorted(db
.items()))
3509 return super().__init
__()
3512 yield from self
.__db
.items()
3514 def __contains__(self
, key
):
3515 return self
.__db
.__contains
__(key
)
3517 def __getitem__(self
, key
):
3518 return self
.__db
.__getitem
__(key
)
3521 class FieldsDatabase
:
3524 df
= _DecodeFields()
3526 for (form
, fields
) in df
.instrs
.items():
3527 if form
in {"DQE", "TX"}:
3531 db
[_Form
[form
]] = Fields(fields
)
3535 return super().__init
__()
3537 def __getitem__(self
, key
):
3538 return self
.__db
.__getitem
__(key
)
3542 def __init__(self
, root
, mdwndb
):
3543 # The code below groups the instructions by name:section.
3544 # There can be multiple names for the same instruction.
3545 # The point is to capture different opcodes for the same instruction.
3547 records
= _collections
.defaultdict(set)
3548 path
= (root
/ "insndb.csv")
3549 with
open(path
, "r", encoding
="UTF-8") as stream
:
3550 for section
in sorted(parse(stream
, Section
.CSV
)):
3551 path
= (root
/ section
.path
)
3553 section
.Mode
.INTEGER
: IntegerOpcode
,
3554 section
.Mode
.PATTERN
: PatternOpcode
,
3556 factory
= _functools
.partial(
3557 PPCRecord
.CSV
, opcode_cls
=opcode_cls
)
3558 with
open(path
, "r", encoding
="UTF-8") as stream
:
3559 for insn
in parse(stream
, factory
):
3560 for name
in insn
.names
:
3561 records
[name
].add(insn
)
3562 sections
[name
] = section
3564 items
= sorted(records
.items())
3566 for (name
, multirecord
) in items
:
3567 records
[name
] = PPCMultiRecord(sorted(multirecord
))
3569 def exact_match(name
):
3570 record
= records
.get(name
)
3576 if not name
.endswith("l"):
3578 alias
= exact_match(name
[:-1])
3581 record
= records
[alias
]
3582 if "lk" not in record
.flags
:
3583 raise ValueError(record
)
3587 if not name
.endswith("a"):
3589 alias
= LK_match(name
[:-1])
3592 record
= records
[alias
]
3593 if record
.intop
not in {_MicrOp
.OP_B
, _MicrOp
.OP_BC
}:
3594 raise ValueError(record
)
3595 if "AA" not in mdwndb
[name
].operands
:
3596 raise ValueError(record
)
3600 if not name
.endswith("."):
3602 alias
= exact_match(name
[:-1])
3605 record
= records
[alias
]
3606 if record
.Rc
is _RCOE
.NONE
:
3607 raise ValueError(record
)
3611 matches
= (exact_match
, LK_match
, AA_match
, Rc_match
)
3612 for (name
, _
) in mdwndb
:
3613 if name
.startswith("sv."):
3616 for match
in matches
:
3618 if alias
is not None:
3622 section
= sections
[alias
]
3623 record
= records
[alias
]
3624 db
[name
] = (section
, record
)
3626 self
.__db
= dict(sorted(db
.items()))
3628 return super().__init
__()
3630 @_functools.lru_cache(maxsize
=512, typed
=False)
3631 def __getitem__(self
, key
):
3632 return self
.__db
.get(key
, (None, None))
3635 class SVP64Database
:
3636 def __init__(self
, root
, ppcdb
):
3638 pattern
= _re
.compile(r
"^(?:LDST)?RM-(1P|2P)-.*?\.csv$")
3639 for (prefix
, _
, names
) in _os
.walk(root
):
3640 prefix
= _pathlib
.Path(prefix
)
3641 for name
in filter(lambda name
: pattern
.match(name
), names
):
3642 path
= (prefix
/ _pathlib
.Path(name
))
3643 with
open(path
, "r", encoding
="UTF-8") as stream
:
3644 db
.update(parse(stream
, SVP64Record
.CSV
))
3645 db
= {record
.name
:record
for record
in db
}
3647 self
.__db
= dict(sorted(db
.items()))
3648 self
.__ppcdb
= ppcdb
3650 return super().__init
__()
3652 def __getitem__(self
, key
):
3653 (_
, record
) = self
.__ppcdb
[key
]
3657 for name
in record
.names
:
3658 record
= self
.__db
.get(name
, None)
3659 if record
is not None:
3666 def __init__(self
, root
):
3667 root
= _pathlib
.Path(root
)
3668 mdwndb
= MarkdownDatabase()
3669 fieldsdb
= FieldsDatabase()
3670 ppcdb
= PPCDatabase(root
=root
, mdwndb
=mdwndb
)
3671 svp64db
= SVP64Database(root
=root
, ppcdb
=ppcdb
)
3675 opcodes
= _collections
.defaultdict(
3676 lambda: _collections
.defaultdict(set))
3678 for (name
, mdwn
) in mdwndb
:
3679 if name
.startswith("sv."):
3681 (section
, ppc
) = ppcdb
[name
]
3684 svp64
= svp64db
[name
]
3685 fields
= fieldsdb
[ppc
.form
]
3686 record
= Record(name
=name
,
3687 section
=section
, ppc
=ppc
, svp64
=svp64
,
3688 mdwn
=mdwn
, fields
=fields
)
3690 names
[record
.name
] = record
3691 opcodes
[section
][record
.PO
].add(record
)
3693 self
.__db
= sorted(db
)
3694 self
.__names
= dict(sorted(names
.items()))
3695 self
.__opcodes
= dict(sorted(opcodes
.items()))
3697 return super().__init
__()
3699 def visit(self
, visitor
):
3700 with visitor
.db(db
=self
) as db
:
3701 for record
in self
.__db
:
3702 record
.visit(visitor
=visitor
)
3705 return repr(self
.__db
)
3708 yield from self
.__db
3710 @_functools.lru_cache(maxsize
=None)
3711 def __contains__(self
, key
):
3712 return self
.__getitem
__(key
) is not None
3714 @_functools.lru_cache(maxsize
=None)
3715 def __getitem__(self
, key
):
3716 if isinstance(key
, SVP64Instruction
):
3719 if isinstance(key
, Instruction
):
3722 sections
= sorted(self
.__opcodes
)
3723 for section
in sections
:
3724 group
= self
.__opcodes
[section
]
3725 for record
in group
[PO
]:
3726 if record
.match(key
=key
):
3731 elif isinstance(key
, str):
3732 return self
.__names
.get(key
)
3734 raise ValueError("instruction or name expected")