bs3-cpu-generated-1-data.py@ 66810

Last change on this file since 66810 was 66810, checked in by vboxsync, 8 years ago
IEM: Implemented movq2dq Vdq,Nq (f3 0f d6)
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1	#!/usr/bin/env python
2	# -- coding: utf-8 --
3	# $Id: bs3-cpu-generated-1-data.py 66810 2017-05-05 14:36:10Z vboxsync $
4	# pylint: disable=invalid-name
5
6	"""
7	Generates testcases from @optest specifications in IEM.
8	"""
9
10	from __future__ import print_function;
11
12	__copyright__ = \
13	"""
14	Copyright (C) 2017 Oracle Corporation
15
16	This file is part of VirtualBox Open Source Edition (OSE), as
17	available from http://www.215389.xyz. This file is free software;
18	you can redistribute it and/or modify it under the terms of the GNU
19	General Public License (GPL) as published by the Free Software
20	Foundation, in version 2 as it comes in the "COPYING" file of the
21	VirtualBox OSE distribution. VirtualBox OSE is distributed in the
22	hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
23
24	The contents of this file may alternatively be used under the terms
25	of the Common Development and Distribution License Version 1.0
26	(CDDL) only, as it comes in the "COPYING.CDDL" file of the
27	VirtualBox OSE distribution, in which case the provisions of the
28	CDDL are applicable instead of those of the GPL.
29
30	You may elect to license modified versions of this file under the
31	terms and conditions of either the GPL or the CDDL or both.
32	"""
33	__version__ = "$Revision: 66810 $"
34
35	# Standard python imports.
36	import os;
37	import sys;
38
39	# Only the main script needs to modify the path.
40	g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)));
41	g_ksVmmAllDir = os.path.join(os.path.dirname(g_ksValidationKitDir), 'VMM', 'VMMAll')
42	sys.path.append(g_ksVmmAllDir);
43
44	import IEMAllInstructionsPython as iai; # pylint: disable=import-error
45
46
47	# Python 3 hacks:
48	if sys.version_info[0] >= 3:
49	long = int; # pylint: disable=redefined-builtin,invalid-name
50
51
52	class Bs3Cg1TestEncoder(object):
53	"""
54	Does the encoding of a single test.
55	"""
56
57	def __init__(self, fLast):
58	self.fLast = fLast;
59	# Each list member (in all lists) are C expression of a byte.
60	self.asHdr = [];
61	self.asSelectors = [];
62	self.asInputs = [];
63	self.asOutputs = [];
64
65	@staticmethod
66	def _compileSelectors(aoSelectors): # (list(iai.TestSelector)) -> list(str)
67	"""
68	Compiles a list of iai.TestSelector predicate checks.
69	Returns C byte expression strings.
70	"""
71	asRet = [];
72	for oSelector in aoSelectors:
73	sConstant = oSelector.kdVariables[oSelector.sVariable][oSelector.sValue];
74	sConstant = sConstant.upper().replace('.', '_');
75	if oSelector.sOp == '==':
76	sByte = '(BS3CG1PRED_%s << BS3CG1SEL_OP_PRED_SHIFT) \| BS3CG1SEL_OP_IS_TRUE' % (sConstant,);
77	elif oSelector.sOp == '!=':
78	sByte = '(BS3CG1PRED_%s << BS3CG1SEL_OP_PRED_SHIFT) \| BS3CG1SEL_OP_IS_FALSE' % (sConstant,);
79	else:
80	raise Exception('Unknown selector operator: %s' % (oSelector.sOp,));
81	asRet.append(sByte);
82	return asRet;
83
84	kdSmallFields = {
85	'op1': 'BS3CG1_CTXOP_OP1',
86	'op2': 'BS3CG1_CTXOP_OP2',
87	'efl': 'BS3CG1_CTXOP_EFL',
88	};
89	kdOperators = {
90	'=': 'BS3CG1_CTXOP_ASSIGN',
91	'\|=': 'BS3CG1_CTXOP_OR',
92	'&=': 'BS3CG1_CTXOP_AND',
93	'&~=': 'BS3CG1_CTXOP_AND_INV',
94	};
95	kdSmallSizes = {
96	1: 'BS3CG1_CTXOP_1_BYTE',
97	2: 'BS3CG1_CTXOP_2_BYTES',
98	4: 'BS3CG1_CTXOP_4_BYTES',
99	8: 'BS3CG1_CTXOP_8_BYTES',
100	16: 'BS3CG1_CTXOP_16_BYTES',
101	32: 'BS3CG1_CTXOP_32_BYTES',
102	12: 'BS3CG1_CTXOP_12_BYTES',
103	};
104
105	@staticmethod
106	def _amendOutputs(aoOutputs, oInstr): # type: (list(iai.TestInOut), iai.Instruction) -> list(iai.TestInOut)
107	"""
108	Amends aoOutputs for instructions with special flag behaviour (undefined,
109	always set, always clear).
110
111	Undefined flags are copied from the result context as the very first
112	operation so they can be set to CPU vendor specific values later if
113	desired.
114
115	Always set or cleared flags are applied at the very end of the
116	modification operations so that we spot incorrect specifications.
117	"""
118	if oInstr.asFlUndefined or oInstr.asFlClear or oInstr.asFlSet:
119	aoOutputs = list(aoOutputs);
120
121	if oInstr.asFlUndefined:
122	fFlags = oInstr.getUndefinedFlagsMask();
123	assert fFlags != 0;
124	aoOutputs.insert(0, iai.TestInOut('efl_undef', '=', str(fFlags), 'uint'));
125
126	if oInstr.asFlClear:
127	fFlags = oInstr.getClearedFlagsMask();
128	assert fFlags != 0;
129	aoOutputs.append(iai.TestInOut('efl', '&~=', str(fFlags), 'uint'));
130
131	if oInstr.asFlSet:
132	fFlags = oInstr.getSetFlagsMask();
133	assert fFlags != 0;
134	aoOutputs.append(iai.TestInOut('efl', '\|=', str(fFlags), 'uint'));
135
136	return aoOutputs;
137
138	@staticmethod
139	def _compileContextModifers(aoOperations): # (list(iai.TestInOut))
140	"""
141	Compile a list of iai.TestInOut context modifiers.
142	"""
143	asRet = [];
144	for oOperation in aoOperations:
145	oType = iai.TestInOut.kdTypes[oOperation.sType];
146	aaoValues = oType.get(oOperation.sValue);
147	assert len(aaoValues) == 1 or len(aaoValues) == 2;
148
149	sOp = oOperation.sOp;
150	if sOp == '&\|=':
151	sOp = '\|=' if len(aaoValues) == 1 else '&~=';
152
153	for fSignExtend, abValue in aaoValues:
154	cbValue = len(abValue);
155
156	# The opcode byte.
157	sOpcode = Bs3Cg1TestEncoder.kdOperators[sOp];
158	sOpcode += ' \| ';
159	if oOperation.sField in Bs3Cg1TestEncoder.kdSmallFields:
160	sOpcode += Bs3Cg1TestEncoder.kdSmallFields[oOperation.sField];
161	else:
162	sOpcode += 'BS3CG1_CTXOP_DST_ESC';
163	sOpcode += ' \| ';
164	if cbValue in Bs3Cg1TestEncoder.kdSmallSizes:
165	sOpcode += Bs3Cg1TestEncoder.kdSmallSizes[cbValue];
166	else:
167	sOpcode += 'BS3CG1_CTXOP_SIZE_ESC';
168	if fSignExtend:
169	sOpcode += ' \| BS3CG1_CTXOP_SIGN_EXT';
170	asRet.append(sOpcode);
171
172	# Escaped field identifier.
173	if oOperation.sField not in Bs3Cg1TestEncoder.kdSmallFields:
174	asRet.append('BS3CG1DST_%s' % (oOperation.sField.upper().replace('.', '_'),));
175
176	# Escaped size byte?
177	if cbValue not in Bs3Cg1TestEncoder.kdSmallSizes:
178	if cbValue >= 256 or cbValue not in [ 1, 2, 4, 6, 8, 12, 16, 32, 64, 128, ]:
179	raise Exception('Invalid value size: %s' % (cbValue,));
180	asRet.append('0x%02x' % (cbValue,));
181
182	# The value bytes.
183	for b in abValue:
184	asRet.append('0x%02x' % (b,));
185
186	sOp = '\|=';
187
188	return asRet;
189
190	def _constructHeader(self):
191	"""
192	Returns C byte expression strings for BS3CG1TESTHDR.
193	"""
194	cbSelectors = len(self.asSelectors);
195	if cbSelectors >= 256:
196	raise Exception('Too many selectors: %s bytes, max 255 bytes' % (cbSelectors,))
197
198	cbInputs = len(self.asInputs);
199	if cbInputs >= 4096:
200	raise Exception('Too many input context modifiers: %s bytes, max 4095 bytes' % (cbInputs,))
201
202	cbOutputs = len(self.asOutputs);
203	if cbOutputs >= 2048:
204	raise Exception('Too many output context modifiers: %s bytes, max 2047 bytes' % (cbOutputs,))
205
206	return [
207	'%#04x' % (cbSelectors,), # 8-bit
208	'%#05x & 0xff' % (cbInputs,), # first 8 bits of cbInputs
209	'(%#05x >> 8) \| ((%#05x & 0xf) << 4)' % (cbInputs, cbOutputs,), # last 4 bits of cbInputs, lower 4 bits of cbOutputs.
210	'(%#05x >> 4) \| (%#05x << 7)' % (cbOutputs, self.fLast), # last 7 bits of cbOutputs and 1 bit fLast.
211	];
212
213	def encodeTest(self, oTest): # type: (iai.InstructionTest)
214	"""
215	Does the encoding.
216	"""
217	self.asSelectors = self._compileSelectors(oTest.aoSelectors);
218	self.asInputs = self._compileContextModifers(oTest.aoInputs);
219	self.asOutputs = self._compileContextModifers(self._amendOutputs(oTest.aoOutputs, oTest.oInstr));
220	self.asHdr = self._constructHeader();
221
222
223	class Bs3Cg1EncodedTests(object):
224	"""
225	Encodes the tests for an instruction.
226	"""
227
228	def __init__(self, oInstr):
229	self.offTests = -1;
230	self.cbTests = 0;
231	self.asLines = []; # type: list(str)
232	self.aoInstructions = []; # type: list(iai.Instruction)
233
234	# Encode the tests.
235	for iTest, oTest in enumerate(oInstr.aoTests):
236	oEncodedTest = Bs3Cg1TestEncoder(iTest + 1 == len(oInstr.aoTests));
237	oEncodedTest.encodeTest(oTest);
238
239	self.cbTests += len(oEncodedTest.asHdr) + len(oEncodedTest.asSelectors) \
240	+ len(oEncodedTest.asInputs) + len(oEncodedTest.asOutputs);
241
242	self.asLines.append(' /* test #%s: %s */' % (iTest, oTest,));
243	self.asLines += self.bytesToLines(' ', oEncodedTest.asHdr);
244	if oEncodedTest.asSelectors:
245	self.asLines += self.bytesToLines(' /sel:/ ', oEncodedTest.asSelectors);
246	if oEncodedTest.asInputs:
247	self.asLines += self.bytesToLines(' /* in:*/ ', oEncodedTest.asInputs);
248	if oEncodedTest.asOutputs:
249	self.asLines += self.bytesToLines(' /out:/ ', oEncodedTest.asOutputs);
250
251	@staticmethod
252	def bytesToLines(sPrefix, asBytes):
253	"""
254	Formats a series of bytes into one or more lines.
255	A byte ending with a newline indicates that we should start a new line,
256	and prefix it by len(sPrefix) spaces.
257
258	Returns list of lines.
259	"""
260	asRet = [];
261	sLine = sPrefix;
262	for sByte in asBytes:
263	if sByte[-1] == '\n':
264	sLine += sByte[:-1] + ',';
265	asRet.append(sLine);
266	sLine = ' ' * len(sPrefix);
267	else:
268	if len(sLine) + 2 + len(sByte) > 132 and len(sLine) > len(sPrefix):
269	asRet.append(sLine[:-1]);
270	sLine = ' ' * len(sPrefix);
271	sLine += sByte + ', ';
272
273
274	if len(sLine) > len(sPrefix):
275	asRet.append(sLine);
276	return asRet;
277
278
279	def isEqual(self, oOther):
280	""" Compares two encoded tests. """
281	if self.cbTests != oOther.cbTests:
282	return False;
283	if len(self.asLines) != len(oOther.asLines):
284	return False;
285	for iLine, sLines in enumerate(self.asLines):
286	if sLines != oOther.asLines[iLine]:
287	return False;
288	return True;
289
290
291
292	class Bs3Cg1Instruction(object):
293	"""
294	An instruction with tests.
295	"""
296
297	def __init__(self, oMap, oInstr, oTests):
298	self.oMap = oMap; # type: iai.InstructionMap
299	self.oInstr = oInstr; # type: iai.Instruction
300	self.oTests = oTests; # type: Bs3Cg1EncodedTests
301
302	self.asOpcodes = oMap.asLeadOpcodes + [ '0x%02x' % (oInstr.getOpcodeByte(),) ];
303	self.sEncoding = iai.g_kdEncodings[oInstr.sEncoding][0];
304	for oOp in oInstr.aoOperands:
305	self.sEncoding += '_' + oOp.sType;
306	if oInstr.fUnused:
307	if oInstr.sInvalidStyle == 'immediate' and oInstr.sSubOpcode:
308	self.sEncoding += '_MOD_EQ_3' if oInstr.sSubOpcode == '11 mr/reg' else '_MOD_NE_3';
309	elif oInstr.sInvalidStyle == 'intel-modrm':
310	if oInstr.sSubOpcode is None:
311	self.sEncoding = 'BS3CG1ENC_MODRM_Gv_Ev';
312	elif oInstr.sSubOpcode == '11 mr/reg':
313	self.sEncoding = 'BS3CG1ENC_MODRM_MOD_EQ_3';
314	elif oInstr.sSubOpcode == '!11 mr/reg':
315	self.sEncoding = 'BS3CG1ENC_MODRM_MOD_NE_3';
316	else:
317	raise Exception('Unhandled sSubOpcode=%s for sInvalidStyle=%s' % (oInstr.sSubOpcode, oInstr.sInvalidStyle));
318
319	self.asFlags = [];
320	if 'invalid_64' in oInstr.dHints:
321	self.asFlags.append('BS3CG1INSTR_F_INVALID_64BIT');
322	if oInstr.fUnused:
323	self.asFlags.append('BS3CG1INSTR_F_UNUSED');
324	elif oInstr.fInvalid:
325	self.asFlags.append('BS3CG1INSTR_F_INVALID');
326	if oInstr.sInvalidStyle and oInstr.sInvalidStyle.startswith('intel-'):
327	self.asFlags.append('BS3CG1INSTR_F_INTEL_DECODES_INVALID');
328
329	self.fAdvanceMnemonic = True; ##< Set by the caller.
330	if oInstr.sPrefix:
331	if oInstr.sPrefix == 'none':
332	self.sPfxKind = 'BS3CG1PFXKIND_NO_F2_F3_66';
333	else:
334	self.sPfxKind = 'BS3CG1PFXKIND_REQ_' + oInstr.sPrefix[-2:].upper();
335	elif oInstr.sEncoding == 'ModR/M':
336	if 'ignores_op_size' not in oInstr.dHints:
337	self.sPfxKind = 'BS3CG1PFXKIND_MODRM';
338	else:
339	self.sPfxKind = 'BS3CG1PFXKIND_MODRM_NO_OP_SIZES';
340	else:
341	self.sPfxKind = '0';
342
343	self.sCpu = 'BS3CG1CPU_';
344	assert len(oInstr.asCpuIds) in [0, 1], str(oInstr);
345	if oInstr.asCpuIds:
346	self.sCpu += oInstr.asCpuIds[0].upper();
347	elif oInstr.sMinCpu:
348	self.sCpu += 'GE_' + oInstr.sMinCpu;
349	else:
350	self.sCpu += 'ANY';
351
352	if oInstr.sXcptType:
353	self.sXcptType = 'BS3CG1XCPTTYPE_' + oInstr.sXcptType.upper();
354	else:
355	self.sXcptType = 'BS3CG1XCPTTYPE_NONE';
356
357	def getOperands(self):
358	""" Returns comma separated string of operand values for g_abBs3Cg1Operands. """
359	return ', '.join(['(uint8_t)BS3CG1OP_%s' % (oOp.sType,) for oOp in self.oInstr.aoOperands]);
360
361	def getInstructionEntry(self):
362	""" Returns an array of BS3CG1INSTR member initializers. """
363	sOperands = ', '.join([oOp.sType for oOp in self.oInstr.aoOperands]);
364	if sOperands:
365	sOperands = ' /* ' + sOperands + ' */';
366	return [
367	' /* cbOpcodes = / %s, / %s */' % (len(self.asOpcodes), ' '.join(self.asOpcodes),),
368	' /* cOperands = */ %s,%s' % (len(self.oInstr.aoOperands), sOperands,),
369	' /* cchMnemonic = / %s, / %s */' % (len(self.oInstr.sMnemonic), self.oInstr.sMnemonic,),
370	' /* fAdvanceMnemonic = */ %s,' % ('true' if self.fAdvanceMnemonic else 'false',),
371	' /* offTests = */ %s,' % (self.oTests.offTests,),
372	' /* enmEncoding = */ (unsigned)%s,' % (self.sEncoding,),
373	' /* enmPrefixKind = */ (unsigned)%s,' % (self.sPfxKind,),
374	' /* enmCpuTest = */ (unsigned)%s,' % (self.sCpu,),
375	' /* enmXcptType = */ (unsigned)%s,' % (self.sXcptType,),
376	' /* uUnused = */ 0,',
377	' /* fFlags = */ %s' % (' \| '.join(self.asFlags) if self.asFlags else '0'),
378	];
379
380
381	class Bs3CpuGenerated1Generator(object):
382	"""
383	The generator code for bs3-cpu-generated-1.
384	"""
385
386	def __init__(self):
387	self.aoInstructions = []; # type: Bs3Cg1Instruction
388	self.aoTests = []; # type: Bs3Cg1EncodedTests
389	self.cbTests = 0;
390
391	def addTests(self, oTests, oInstr): # type: (Bs3Cg1EncodedTests, iai.Instruction) -> Bs3Cg1EncodedTests
392	"""
393	Adds oTests to self.aoTests, setting the oTests.offTests member.
394	Checks for and eliminates duplicates.
395	Returns the tests to use.
396	"""
397	# Check for duplicates.
398	for oExisting in self.aoTests:
399	if oTests.isEqual(oExisting):
400	oExisting.aoInstructions.append(oInstr);
401	return oExisting;
402
403	# New test, so add it.
404	oTests.offTests = self.cbTests;
405	self.aoTests.append(oTests);
406	self.cbTests += oTests.cbTests;
407
408	assert not oTests.aoInstructions;
409	oTests.aoInstructions.append(oInstr);
410
411	return oTests;
412
413	def processInstruction(self):
414	"""
415	Processes the IEM specified instructions.
416	Returns success indicator.
417	"""
418
419	#
420	# Group instructions by mnemonic to reduce the number of sub-tests.
421	#
422	for oInstr in sorted(iai.g_aoAllInstructions,
423	key = lambda oInstr: oInstr.sMnemonic + ''.join([oOp.sType for oOp in oInstr.aoOperands])
424	+ (oInstr.sOpcode if oInstr.sOpcode else 'zz')):
425	if oInstr.aoTests:
426	oTests = Bs3Cg1EncodedTests(oInstr);
427	oTests = self.addTests(oTests, oInstr);
428
429	for oMap in oInstr.aoMaps:
430	self.aoInstructions.append(Bs3Cg1Instruction(oMap, oInstr, oTests));
431
432	# Set fAdvanceMnemonic.
433	for iInstr, oInstr in enumerate(self.aoInstructions):
434	oInstr.fAdvanceMnemonic = iInstr + 1 >= len(self.aoInstructions) \
435	or oInstr.oInstr.sMnemonic != self.aoInstructions[iInstr + 1].oInstr.sMnemonic;
436
437	return True;
438
439	def generateCode(self, oOut):
440	"""
441	Generates the C code.
442	Returns success indicator.
443	"""
444
445	# First, a file header.
446	asLines = [
447	'/*',
448	' * Autogenerated by $Id: bs3-cpu-generated-1-data.py 66810 2017-05-05 14:36:10Z vboxsync $ ',
449	' * Do not edit!',
450	' */',
451	'',
452	'/*',
453	' * Copyright (C) 2017 Oracle Corporation',
454	' *',
455	' * This file is part of VirtualBox Open Source Edition (OSE), as',
456	' * available from http://www.215389.xyz. This file is free software;',
457	' * you can redistribute it and/or modify it under the terms of the GNU',
458	' * General Public License (GPL) as published by the Free Software',
459	' * Foundation, in version 2 as it comes in the "COPYING" file of the',
460	' * VirtualBox OSE distribution. VirtualBox OSE is distributed in the',
461	' * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.',
462	' * ',
463	' * The contents of this file may alternatively be used under the terms',
464	' * of the Common Development and Distribution License Version 1.0',
465	' * (CDDL) only, as it comes in the "COPYING.CDDL" file of the',
466	' * VirtualBox OSE distribution, in which case the provisions of the',
467	' * CDDL are applicable instead of those of the GPL.',
468	' * ',
469	' * You may elect to license modified versions of this file under the',
470	' * terms and conditions of either the GPL or the CDDL or both.',
471	' */',
472	'',
473	'',
474	'#include "bs3-cpu-generated-1.h"',
475	'',
476	'',
477	'#pragma data_seg ("BS3DATA16")',
478	];
479
480	# Generate the g_achBs3Cg1Mnemonics array.
481	asLines += [
482	'const char BS3_FAR_DATA g_achBs3Cg1Mnemonics[] = ',
483	'{',
484	];
485	fAdvanceMnemonic = True;
486	for oInstr in self.aoInstructions:
487	if fAdvanceMnemonic:
488	asLines.append(' \"%s\"' % (oInstr.oInstr.sMnemonic,));
489	fAdvanceMnemonic = oInstr.fAdvanceMnemonic;
490	asLines += [
491	'};',
492	'',
493	'',
494	];
495
496	# Generate the g_abBs3Cg1Opcodes array.
497	asLines += [
498	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Opcodes[] = ',
499	'{',
500	];
501	for oInstr in self.aoInstructions:
502	asLines.append(' ' + ', '.join(oInstr.asOpcodes) + ',');
503	asLines += [
504	'};',
505	'',
506	'',
507	];
508
509	# Generate the g_abBs3Cg1Opcodes array.
510	asLines += [
511	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Operands[] = ',
512	'{',
513	];
514	cOperands = 0;
515	for oInstr in self.aoInstructions:
516	if oInstr.oInstr.aoOperands:
517	cOperands += len(oInstr.oInstr.aoOperands);
518	asLines.append(' ' + oInstr.getOperands() + ', /* %s */' % (oInstr.oInstr.sStats,));
519	else:
520	asLines.append(' /* none */');
521	if not cOperands:
522	asLines.append(' 0 /* dummy */');
523	asLines += [
524	'};',
525	'',
526	'',
527	];
528
529	# Generate the g_abBs3Cg1Operands array.
530	asLines += [
531	'const BS3CG1INSTR BS3_FAR_DATA g_aBs3Cg1Instructions[] = ',
532	'{',
533	];
534	for oInstr in self.aoInstructions:
535	asLines.append(' {');
536	asLines += oInstr.getInstructionEntry();
537	asLines.append(' },');
538	asLines += [
539	'};',
540	'const uint16_t BS3_FAR_DATA g_cBs3Cg1Instructions = RT_ELEMENTS(g_aBs3Cg1Instructions);',
541	'',
542	'',
543	];
544
545	# Generate the g_abBs3Cg1Tests array.
546	asLines += [
547	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[] = ',
548	'{',
549	];
550	for oTests in self.aoTests:
551	asLines.append(' /*');
552	asLines.append(' * offTests=%s' % (oTests.offTests,));
553	asLines.append(' * Instructions: %s' % (', '.join([oInstr.sStats for oInstr in oTests.aoInstructions]),));
554	asLines.append(' */');
555	asLines += oTests.asLines;
556	asLines += [
557	'};',
558	'',
559	];
560
561
562	#/** The test data that BS3CG1INSTR.
563	# * In order to simplify generating these, we use a byte array. */
564	#extern const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[];
565
566
567	oOut.write('\n'.join(asLines));
568	return True;
569
570
571	def usage(self):
572	""" Prints usage. """
573	print('usage: bs3-cpu-generated-1-data.py [output file\|-]');
574	return 0;
575
576	def main(self, asArgs):
577	"""
578	C-like main function.
579	Returns exit code.
580	"""
581
582	#
583	# Quick argument parsing.
584	#
585	if len(asArgs) == 1:
586	sOutFile = '-';
587	elif len(asArgs) != 2:
588	print('syntax error! Expected exactly one argument.');
589	return 2;
590	elif asArgs[1] in [ '-h', '-?', '--help' ]:
591	return self.usage();
592	else:
593	sOutFile = asArgs[1];
594
595	#
596	# Process the instructions specified in the IEM sources.
597	#
598	if self.processInstruction():
599
600	#
601	# Open the output file and generate the code.
602	#
603	if sOutFile == '-':
604	oOut = sys.stdout;
605	else:
606	try:
607	oOut = open(sOutFile, 'w');
608	except Exception as oXcpt:
609	print('error! Failed open "%s" for writing: %s' % (sOutFile, oXcpt,));
610	return 1;
611	if self.generateCode(oOut):
612	return 0;
613
614	return 1;
615
616
617	if __name__ == '__main__':
618	sys.exit(Bs3CpuGenerated1Generator().main(sys.argv));
619
620

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source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-generated-1-data.py@ 66810

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