bs3-cpu-generated-1-data.py@ 66968

Last change on this file since 66968 was 66968, checked in by vboxsync, 8 years ago
IEM: Implemented vmovlpd Mq,Vq (VEX.66.0F 13 mod!=3).
Property svn:eol-style set to `LF` Property svn:executable set to ``* Property svn:keywords set to `Author Date Id Revision`
File size: 23.0 KB

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1	#!/usr/bin/env python
2	# -- coding: utf-8 --
3	# $Id: bs3-cpu-generated-1-data.py 66968 2017-05-19 10:25:44Z 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: 66968 $"
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
305	for oOp in oInstr.aoOperands:
306	self.sEncoding += '_' + oOp.sType;
307	if oInstr.fUnused:
308	if oInstr.sInvalidStyle == 'immediate' and oInstr.sSubOpcode:
309	self.sEncoding += '_MOD_EQ_3' if oInstr.sSubOpcode == '11 mr/reg' else '_MOD_NE_3';
310	elif oInstr.sInvalidStyle == 'intel-modrm':
311	if oInstr.sSubOpcode is None:
312	self.sEncoding = 'BS3CG1ENC_MODRM_Gv_Ev';
313	elif oInstr.sSubOpcode == '11 mr/reg':
314	self.sEncoding = 'BS3CG1ENC_MODRM_MOD_EQ_3';
315	elif oInstr.sSubOpcode == '!11 mr/reg':
316	self.sEncoding = 'BS3CG1ENC_MODRM_MOD_NE_3';
317	else:
318	raise Exception('Unhandled sSubOpcode=%s for sInvalidStyle=%s' % (oInstr.sSubOpcode, oInstr.sInvalidStyle));
319
320	self.asFlags = [];
321	if 'invalid_64' in oInstr.dHints:
322	self.asFlags.append('BS3CG1INSTR_F_INVALID_64BIT');
323	if oInstr.fUnused:
324	self.asFlags.append('BS3CG1INSTR_F_UNUSED');
325	elif oInstr.fInvalid:
326	self.asFlags.append('BS3CG1INSTR_F_INVALID');
327	if oInstr.sInvalidStyle and oInstr.sInvalidStyle.startswith('intel-'):
328	self.asFlags.append('BS3CG1INSTR_F_INTEL_DECODES_INVALID');
329	if 'vex_l_zero' in oInstr.dHints:
330	self.asFlags.append('BS3CG1INSTR_F_VEX_L_ZERO');
331
332	self.fAdvanceMnemonic = True; ##< Set by the caller.
333	if oInstr.sPrefix:
334	if oInstr.sPrefix == 'none':
335	self.sPfxKind = 'BS3CG1PFXKIND_NO_F2_F3_66';
336	else:
337	self.sPfxKind = 'BS3CG1PFXKIND_REQ_' + oInstr.sPrefix[-2:].upper();
338	elif oInstr.sEncoding == 'ModR/M':
339	if 'ignores_op_size' not in oInstr.dHints:
340	self.sPfxKind = 'BS3CG1PFXKIND_MODRM';
341	else:
342	self.sPfxKind = 'BS3CG1PFXKIND_MODRM_NO_OP_SIZES';
343	else:
344	self.sPfxKind = '0';
345
346	self.sCpu = 'BS3CG1CPU_';
347	assert len(oInstr.asCpuIds) in [0, 1], str(oInstr);
348	if oInstr.asCpuIds:
349	self.sCpu += oInstr.asCpuIds[0].upper();
350	elif oInstr.sMinCpu:
351	self.sCpu += 'GE_' + oInstr.sMinCpu;
352	else:
353	self.sCpu += 'ANY';
354
355	if oInstr.sXcptType:
356	self.sXcptType = 'BS3CG1XCPTTYPE_' + oInstr.sXcptType.upper();
357	else:
358	self.sXcptType = 'BS3CG1XCPTTYPE_NONE';
359
360	def getOperands(self):
361	""" Returns comma separated string of operand values for g_abBs3Cg1Operands. """
362	return ', '.join(['(uint8_t)BS3CG1OP_%s' % (oOp.sType,) for oOp in self.oInstr.aoOperands]);
363
364	def getInstructionEntry(self):
365	""" Returns an array of BS3CG1INSTR member initializers. """
366	sOperands = ', '.join([oOp.sType for oOp in self.oInstr.aoOperands]);
367	if sOperands:
368	sOperands = ' /* ' + sOperands + ' */';
369	return [
370	' /* cbOpcodes = / %s, / %s */' % (len(self.asOpcodes), ' '.join(self.asOpcodes),),
371	' /* cOperands = */ %s,%s' % (len(self.oInstr.aoOperands), sOperands,),
372	' /* cchMnemonic = / %s, / %s */' % (len(self.oInstr.sMnemonic), self.oInstr.sMnemonic,),
373	' /* fAdvanceMnemonic = */ %s,' % ('true' if self.fAdvanceMnemonic else 'false',),
374	' /* offTests = */ %s,' % (self.oTests.offTests,),
375	' /* enmEncoding = */ (unsigned)%s,' % (self.sEncoding,),
376	' /* enmPrefixKind = */ (unsigned)%s,' % (self.sPfxKind,),
377	' /* enmCpuTest = */ (unsigned)%s,' % (self.sCpu,),
378	' /* enmXcptType = */ (unsigned)%s,' % (self.sXcptType,),
379	' /* uUnused = */ 0,',
380	' /* fFlags = */ %s' % (' \| '.join(self.asFlags) if self.asFlags else '0'),
381	];
382
383
384	class Bs3CpuGenerated1Generator(object):
385	"""
386	The generator code for bs3-cpu-generated-1.
387	"""
388
389	def __init__(self):
390	self.aoInstructions = []; # type: Bs3Cg1Instruction
391	self.aoTests = []; # type: Bs3Cg1EncodedTests
392	self.cbTests = 0;
393
394	def addTests(self, oTests, oInstr): # type: (Bs3Cg1EncodedTests, iai.Instruction) -> Bs3Cg1EncodedTests
395	"""
396	Adds oTests to self.aoTests, setting the oTests.offTests member.
397	Checks for and eliminates duplicates.
398	Returns the tests to use.
399	"""
400	# Check for duplicates.
401	for oExisting in self.aoTests:
402	if oTests.isEqual(oExisting):
403	oExisting.aoInstructions.append(oInstr);
404	return oExisting;
405
406	# New test, so add it.
407	oTests.offTests = self.cbTests;
408	self.aoTests.append(oTests);
409	self.cbTests += oTests.cbTests;
410
411	assert not oTests.aoInstructions;
412	oTests.aoInstructions.append(oInstr);
413
414	return oTests;
415
416	def processInstruction(self):
417	"""
418	Processes the IEM specified instructions.
419	Returns success indicator.
420	"""
421
422	#
423	# Group instructions by mnemonic to reduce the number of sub-tests.
424	#
425	for oInstr in sorted(iai.g_aoAllInstructions,
426	key = lambda oInstr: oInstr.sMnemonic + ''.join([oOp.sType for oOp in oInstr.aoOperands])
427	+ (oInstr.sOpcode if oInstr.sOpcode else 'zz')):
428	if oInstr.aoTests:
429	oTests = Bs3Cg1EncodedTests(oInstr);
430	oTests = self.addTests(oTests, oInstr);
431
432	for oMap in oInstr.aoMaps:
433	self.aoInstructions.append(Bs3Cg1Instruction(oMap, oInstr, oTests));
434
435	# Set fAdvanceMnemonic.
436	for iInstr, oInstr in enumerate(self.aoInstructions):
437	oInstr.fAdvanceMnemonic = iInstr + 1 >= len(self.aoInstructions) \
438	or oInstr.oInstr.sMnemonic != self.aoInstructions[iInstr + 1].oInstr.sMnemonic;
439
440	return True;
441
442	def generateCode(self, oOut):
443	"""
444	Generates the C code.
445	Returns success indicator.
446	"""
447
448	# First, a file header.
449	asLines = [
450	'/*',
451	' * Autogenerated by $Id: bs3-cpu-generated-1-data.py 66968 2017-05-19 10:25:44Z vboxsync $ ',
452	' * Do not edit!',
453	' */',
454	'',
455	'/*',
456	' * Copyright (C) 2017 Oracle Corporation',
457	' *',
458	' * This file is part of VirtualBox Open Source Edition (OSE), as',
459	' * available from http://www.215389.xyz. This file is free software;',
460	' * you can redistribute it and/or modify it under the terms of the GNU',
461	' * General Public License (GPL) as published by the Free Software',
462	' * Foundation, in version 2 as it comes in the "COPYING" file of the',
463	' * VirtualBox OSE distribution. VirtualBox OSE is distributed in the',
464	' * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.',
465	' * ',
466	' * The contents of this file may alternatively be used under the terms',
467	' * of the Common Development and Distribution License Version 1.0',
468	' * (CDDL) only, as it comes in the "COPYING.CDDL" file of the',
469	' * VirtualBox OSE distribution, in which case the provisions of the',
470	' * CDDL are applicable instead of those of the GPL.',
471	' * ',
472	' * You may elect to license modified versions of this file under the',
473	' * terms and conditions of either the GPL or the CDDL or both.',
474	' */',
475	'',
476	'',
477	'#include "bs3-cpu-generated-1.h"',
478	'',
479	'',
480	'#pragma data_seg ("BS3DATA16")',
481	];
482
483	# Generate the g_achBs3Cg1Mnemonics array.
484	asLines += [
485	'const char BS3_FAR_DATA g_achBs3Cg1Mnemonics[] = ',
486	'{',
487	];
488	fAdvanceMnemonic = True;
489	for oInstr in self.aoInstructions:
490	if fAdvanceMnemonic:
491	asLines.append(' \"%s\"' % (oInstr.oInstr.sMnemonic,));
492	fAdvanceMnemonic = oInstr.fAdvanceMnemonic;
493	asLines += [
494	'};',
495	'',
496	'',
497	];
498
499	# Generate the g_abBs3Cg1Opcodes array.
500	asLines += [
501	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Opcodes[] = ',
502	'{',
503	];
504	for oInstr in self.aoInstructions:
505	asLines.append(' ' + ', '.join(oInstr.asOpcodes) + ',');
506	asLines += [
507	'};',
508	'',
509	'',
510	];
511
512	# Generate the g_abBs3Cg1Opcodes array.
513	asLines += [
514	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Operands[] = ',
515	'{',
516	];
517	cOperands = 0;
518	for oInstr in self.aoInstructions:
519	if oInstr.oInstr.aoOperands:
520	cOperands += len(oInstr.oInstr.aoOperands);
521	asLines.append(' ' + oInstr.getOperands() + ', /* %s */' % (oInstr.oInstr.sStats,));
522	else:
523	asLines.append(' /* none */');
524	if not cOperands:
525	asLines.append(' 0 /* dummy */');
526	asLines += [
527	'};',
528	'',
529	'',
530	];
531
532	# Generate the g_abBs3Cg1Operands array.
533	asLines += [
534	'const BS3CG1INSTR BS3_FAR_DATA g_aBs3Cg1Instructions[] = ',
535	'{',
536	];
537	for oInstr in self.aoInstructions:
538	asLines.append(' {');
539	asLines += oInstr.getInstructionEntry();
540	asLines.append(' },');
541	asLines += [
542	'};',
543	'const uint16_t BS3_FAR_DATA g_cBs3Cg1Instructions = RT_ELEMENTS(g_aBs3Cg1Instructions);',
544	'',
545	'',
546	];
547
548	# Generate the g_abBs3Cg1Tests array.
549	asLines += [
550	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[] = ',
551	'{',
552	];
553	for oTests in self.aoTests:
554	asLines.append(' /*');
555	asLines.append(' * offTests=%s' % (oTests.offTests,));
556	asLines.append(' * Instructions: %s' % (', '.join([oInstr.sStats for oInstr in oTests.aoInstructions]),));
557	asLines.append(' */');
558	asLines += oTests.asLines;
559	asLines += [
560	'};',
561	'',
562	];
563
564
565	#/** The test data that BS3CG1INSTR.
566	# * In order to simplify generating these, we use a byte array. */
567	#extern const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[];
568
569
570	oOut.write('\n'.join(asLines));
571	return True;
572
573
574	def usage(self):
575	""" Prints usage. """
576	print('usage: bs3-cpu-generated-1-data.py [output file\|-]');
577	return 0;
578
579	def main(self, asArgs):
580	"""
581	C-like main function.
582	Returns exit code.
583	"""
584
585	#
586	# Quick argument parsing.
587	#
588	if len(asArgs) == 1:
589	sOutFile = '-';
590	elif len(asArgs) != 2:
591	print('syntax error! Expected exactly one argument.');
592	return 2;
593	elif asArgs[1] in [ '-h', '-?', '--help' ]:
594	return self.usage();
595	else:
596	sOutFile = asArgs[1];
597
598	#
599	# Process the instructions specified in the IEM sources.
600	#
601	if self.processInstruction():
602
603	#
604	# Open the output file and generate the code.
605	#
606	if sOutFile == '-':
607	oOut = sys.stdout;
608	else:
609	try:
610	oOut = open(sOutFile, 'w');
611	except Exception as oXcpt:
612	print('error! Failed open "%s" for writing: %s' % (sOutFile, oXcpt,));
613	return 1;
614	if self.generateCode(oOut):
615	return 0;
616
617	return 1;
618
619
620	if __name__ == '__main__':
621	sys.exit(Bs3CpuGenerated1Generator().main(sys.argv));
622
623

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source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-generated-1-data.py@ 66968

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