bs3-cpu-generated-1-data.py@ 66979

Last change on this file since 66979 was 66976, checked in by vboxsync, 8 years ago
IEM: Implemented vmovapd Vpd,Wpd (VEX.66.28).
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1	#!/usr/bin/env python
2	# -- coding: utf-8 --
3	# $Id: bs3-cpu-generated-1-data.py 66976 2017-05-19 12:23:32Z 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.virtualbox.org. 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: 66976 $"
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	elif oInstr.sInvalidStyle == 'vex.modrm':
320	self.sEncoding = 'BS3CG1ENC_VEX_MODRM';
321
322	self.asFlags = [];
323	if 'invalid_64' in oInstr.dHints:
324	self.asFlags.append('BS3CG1INSTR_F_INVALID_64BIT');
325	if oInstr.fUnused:
326	self.asFlags.append('BS3CG1INSTR_F_UNUSED');
327	elif oInstr.fInvalid:
328	self.asFlags.append('BS3CG1INSTR_F_INVALID');
329	if oInstr.sInvalidStyle and oInstr.sInvalidStyle.startswith('intel-'):
330	self.asFlags.append('BS3CG1INSTR_F_INTEL_DECODES_INVALID');
331	if 'vex_l_zero' in oInstr.dHints:
332	self.asFlags.append('BS3CG1INSTR_F_VEX_L_ZERO');
333
334	self.fAdvanceMnemonic = True; ##< Set by the caller.
335	if oInstr.sPrefix:
336	if oInstr.sPrefix == 'none':
337	self.sPfxKind = 'BS3CG1PFXKIND_NO_F2_F3_66';
338	else:
339	self.sPfxKind = 'BS3CG1PFXKIND_REQ_' + oInstr.sPrefix[-2:].upper();
340	elif oInstr.sEncoding == 'ModR/M':
341	if 'ignores_op_size' not in oInstr.dHints:
342	self.sPfxKind = 'BS3CG1PFXKIND_MODRM';
343	else:
344	self.sPfxKind = 'BS3CG1PFXKIND_MODRM_NO_OP_SIZES';
345	else:
346	self.sPfxKind = '0';
347
348	self.sCpu = 'BS3CG1CPU_';
349	assert len(oInstr.asCpuIds) in [0, 1], str(oInstr);
350	if oInstr.asCpuIds:
351	self.sCpu += oInstr.asCpuIds[0].upper();
352	elif oInstr.sMinCpu:
353	self.sCpu += 'GE_' + oInstr.sMinCpu;
354	else:
355	self.sCpu += 'ANY';
356
357	if oInstr.sXcptType:
358	self.sXcptType = 'BS3CG1XCPTTYPE_' + oInstr.sXcptType.upper();
359	else:
360	self.sXcptType = 'BS3CG1XCPTTYPE_NONE';
361
362	def getOperands(self):
363	""" Returns comma separated string of operand values for g_abBs3Cg1Operands. """
364	return ', '.join(['(uint8_t)BS3CG1OP_%s' % (oOp.sType,) for oOp in self.oInstr.aoOperands]);
365
366	def getInstructionEntry(self):
367	""" Returns an array of BS3CG1INSTR member initializers. """
368	sOperands = ', '.join([oOp.sType for oOp in self.oInstr.aoOperands]);
369	if sOperands:
370	sOperands = ' /* ' + sOperands + ' */';
371	return [
372	' /* cbOpcodes = / %s, / %s */' % (len(self.asOpcodes), ' '.join(self.asOpcodes),),
373	' /* cOperands = */ %s,%s' % (len(self.oInstr.aoOperands), sOperands,),
374	' /* cchMnemonic = / %s, / %s */' % (len(self.oInstr.sMnemonic), self.oInstr.sMnemonic,),
375	' /* fAdvanceMnemonic = */ %s,' % ('true' if self.fAdvanceMnemonic else 'false',),
376	' /* offTests = */ %s,' % (self.oTests.offTests,),
377	' /* enmEncoding = */ (unsigned)%s,' % (self.sEncoding,),
378	' /* enmPrefixKind = */ (unsigned)%s,' % (self.sPfxKind,),
379	' /* enmCpuTest = */ (unsigned)%s,' % (self.sCpu,),
380	' /* enmXcptType = */ (unsigned)%s,' % (self.sXcptType,),
381	' /* uUnused = */ 0,',
382	' /* fFlags = */ %s' % (' \| '.join(self.asFlags) if self.asFlags else '0'),
383	];
384
385
386	class Bs3CpuGenerated1Generator(object):
387	"""
388	The generator code for bs3-cpu-generated-1.
389	"""
390
391	def __init__(self):
392	self.aoInstructions = []; # type: Bs3Cg1Instruction
393	self.aoTests = []; # type: Bs3Cg1EncodedTests
394	self.cbTests = 0;
395
396	def addTests(self, oTests, oInstr): # type: (Bs3Cg1EncodedTests, iai.Instruction) -> Bs3Cg1EncodedTests
397	"""
398	Adds oTests to self.aoTests, setting the oTests.offTests member.
399	Checks for and eliminates duplicates.
400	Returns the tests to use.
401	"""
402	# Check for duplicates.
403	for oExisting in self.aoTests:
404	if oTests.isEqual(oExisting):
405	oExisting.aoInstructions.append(oInstr);
406	return oExisting;
407
408	# New test, so add it.
409	oTests.offTests = self.cbTests;
410	self.aoTests.append(oTests);
411	self.cbTests += oTests.cbTests;
412
413	assert not oTests.aoInstructions;
414	oTests.aoInstructions.append(oInstr);
415
416	return oTests;
417
418	def processInstruction(self):
419	"""
420	Processes the IEM specified instructions.
421	Returns success indicator.
422	"""
423
424	#
425	# Group instructions by mnemonic to reduce the number of sub-tests.
426	#
427	for oInstr in sorted(iai.g_aoAllInstructions,
428	key = lambda oInstr: oInstr.sMnemonic + ''.join([oOp.sType for oOp in oInstr.aoOperands])
429	+ (oInstr.sOpcode if oInstr.sOpcode else 'zz')):
430	if oInstr.aoTests:
431	oTests = Bs3Cg1EncodedTests(oInstr);
432	oTests = self.addTests(oTests, oInstr);
433
434	for oMap in oInstr.aoMaps:
435	self.aoInstructions.append(Bs3Cg1Instruction(oMap, oInstr, oTests));
436
437	# Set fAdvanceMnemonic.
438	for iInstr, oInstr in enumerate(self.aoInstructions):
439	oInstr.fAdvanceMnemonic = iInstr + 1 >= len(self.aoInstructions) \
440	or oInstr.oInstr.sMnemonic != self.aoInstructions[iInstr + 1].oInstr.sMnemonic;
441
442	return True;
443
444	def generateCode(self, oOut):
445	"""
446	Generates the C code.
447	Returns success indicator.
448	"""
449
450	# First, a file header.
451	asLines = [
452	'/*',
453	' * Autogenerated by $Id: bs3-cpu-generated-1-data.py 66976 2017-05-19 12:23:32Z vboxsync $ ',
454	' * Do not edit!',
455	' */',
456	'',
457	'/*',
458	' * Copyright (C) 2017 Oracle Corporation',
459	' *',
460	' * This file is part of VirtualBox Open Source Edition (OSE), as',
461	' * available from http://www.virtualbox.org. This file is free software;',
462	' * you can redistribute it and/or modify it under the terms of the GNU',
463	' * General Public License (GPL) as published by the Free Software',
464	' * Foundation, in version 2 as it comes in the "COPYING" file of the',
465	' * VirtualBox OSE distribution. VirtualBox OSE is distributed in the',
466	' * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.',
467	' * ',
468	' * The contents of this file may alternatively be used under the terms',
469	' * of the Common Development and Distribution License Version 1.0',
470	' * (CDDL) only, as it comes in the "COPYING.CDDL" file of the',
471	' * VirtualBox OSE distribution, in which case the provisions of the',
472	' * CDDL are applicable instead of those of the GPL.',
473	' * ',
474	' * You may elect to license modified versions of this file under the',
475	' * terms and conditions of either the GPL or the CDDL or both.',
476	' */',
477	'',
478	'',
479	'#include "bs3-cpu-generated-1.h"',
480	'',
481	'',
482	'#pragma data_seg ("BS3DATA16")',
483	];
484
485	# Generate the g_achBs3Cg1Mnemonics array.
486	asLines += [
487	'const char BS3_FAR_DATA g_achBs3Cg1Mnemonics[] = ',
488	'{',
489	];
490	fAdvanceMnemonic = True;
491	for oInstr in self.aoInstructions:
492	if fAdvanceMnemonic:
493	asLines.append(' \"%s\"' % (oInstr.oInstr.sMnemonic,));
494	fAdvanceMnemonic = oInstr.fAdvanceMnemonic;
495	asLines += [
496	'};',
497	'',
498	'',
499	];
500
501	# Generate the g_abBs3Cg1Opcodes array.
502	asLines += [
503	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Opcodes[] = ',
504	'{',
505	];
506	for oInstr in self.aoInstructions:
507	asLines.append(' ' + ', '.join(oInstr.asOpcodes) + ',');
508	asLines += [
509	'};',
510	'',
511	'',
512	];
513
514	# Generate the g_abBs3Cg1Opcodes array.
515	asLines += [
516	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Operands[] = ',
517	'{',
518	];
519	cOperands = 0;
520	for oInstr in self.aoInstructions:
521	if oInstr.oInstr.aoOperands:
522	cOperands += len(oInstr.oInstr.aoOperands);
523	asLines.append(' ' + oInstr.getOperands() + ', /* %s */' % (oInstr.oInstr.sStats,));
524	else:
525	asLines.append(' /* none */');
526	if not cOperands:
527	asLines.append(' 0 /* dummy */');
528	asLines += [
529	'};',
530	'',
531	'',
532	];
533
534	# Generate the g_abBs3Cg1Operands array.
535	asLines += [
536	'const BS3CG1INSTR BS3_FAR_DATA g_aBs3Cg1Instructions[] = ',
537	'{',
538	];
539	for oInstr in self.aoInstructions:
540	asLines.append(' {');
541	asLines += oInstr.getInstructionEntry();
542	asLines.append(' },');
543	asLines += [
544	'};',
545	'const uint16_t BS3_FAR_DATA g_cBs3Cg1Instructions = RT_ELEMENTS(g_aBs3Cg1Instructions);',
546	'',
547	'',
548	];
549
550	# Generate the g_abBs3Cg1Tests array.
551	asLines += [
552	'const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[] = ',
553	'{',
554	];
555	for oTests in self.aoTests:
556	asLines.append(' /*');
557	asLines.append(' * offTests=%s' % (oTests.offTests,));
558	asLines.append(' * Instructions: %s' % (', '.join([oInstr.sStats for oInstr in oTests.aoInstructions]),));
559	asLines.append(' */');
560	asLines += oTests.asLines;
561	asLines += [
562	'};',
563	'',
564	];
565
566
567	#/** The test data that BS3CG1INSTR.
568	# * In order to simplify generating these, we use a byte array. */
569	#extern const uint8_t BS3_FAR_DATA g_abBs3Cg1Tests[];
570
571
572	oOut.write('\n'.join(asLines));
573	return True;
574
575
576	def usage(self):
577	""" Prints usage. """
578	print('usage: bs3-cpu-generated-1-data.py [output file\|-]');
579	return 0;
580
581	def main(self, asArgs):
582	"""
583	C-like main function.
584	Returns exit code.
585	"""
586
587	#
588	# Quick argument parsing.
589	#
590	if len(asArgs) == 1:
591	sOutFile = '-';
592	elif len(asArgs) != 2:
593	print('syntax error! Expected exactly one argument.');
594	return 2;
595	elif asArgs[1] in [ '-h', '-?', '--help' ]:
596	return self.usage();
597	else:
598	sOutFile = asArgs[1];
599
600	#
601	# Process the instructions specified in the IEM sources.
602	#
603	if self.processInstruction():
604
605	#
606	# Open the output file and generate the code.
607	#
608	if sOutFile == '-':
609	oOut = sys.stdout;
610	else:
611	try:
612	oOut = open(sOutFile, 'w');
613	except Exception as oXcpt:
614	print('error! Failed open "%s" for writing: %s' % (sOutFile, oXcpt,));
615	return 1;
616	if self.generateCode(oOut):
617	return 0;
618
619	return 1;
620
621
622	if __name__ == '__main__':
623	sys.exit(Bs3CpuGenerated1Generator().main(sys.argv));
624
625

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source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-generated-1-data.py@ 66979

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