iAPX 286 Operating System Writers Guide 1983

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interu.s. SALES OFFICESALAIWIA IlEQRQIA NEWJEfISEY peNNSYLVANIAIntel Corp, Intel Corp. InIelCorp.· ,..... Corp .•303 Williams Avenue, S.W. 330D Holcombe Bridge Road RarltanPlu.1II 510 Pennsytvania AvenueSuite 1422 Suite 225 R.ritanCenter Fort WaShIngtOn 11D34Huntsville 35801 N ........ 30092 edison 08837 Tel: (215) 641-1000Tel: 1205} 533-9353 Tel: (404) 449-0541 Tel: (lOt) 225-3000 TWX: 510-66'-2077ARIZONA ,..-.TWX: 710-480-S238 -Corp.'InlelCorp. ,..... Corp.' NEW..xlCO 201 Penn Cenllr BoulevardSuile301Wt 1225 N. 28th Drive 2550 GoO' Road. Intel Corp.,-_burgll'5235Suite 2140 Sui1e815 1120 Juan Tebo N.E. ral, (412) 123-4970Phoeni .. 85029 Rolling Meadows 80008 Alwquerque 87112Tel: (602) 869-4980 Tel: (312) 981-7200 Tel: (50S) 292·D088 Q.E.D. ElectrOnicsTWX: 91()-851-58Bl300 N. York Ro.dCALIFORNIA NEWYORK Hatboro ,ICMOIntel Corp. InteiCorp: rOO, (2151874-96001010 Hurley Way ,..... Corp. 300 Vanderbilt Motor Parkw.y TEIIAISuile 300 9100 Purdue ~ Hauppauge 11788Sacramento 95825 _
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LITERATUREIn addition to the produc
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Intel Corporation makes no warranty
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PREFACEExternal LiteratureMany aspe
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Table of ContentsCHAPTER 1PageINTRO
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TABLE OF CONTENTSCHAPTER 9PageVIRTU
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TABLE OF CONTENTSLIST OF FIGURESFig
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Introduction to Protected 1Multitas
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INTRODUCTION TO PROTECTED MULTITASK
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inter INTRODUCTION TO PROTECTED MUL
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111'eI INTRODUCTION TO PROTECTED MU
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Using Hardware2Protection Features
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USING HARDWARE PROTECTION,FEATURESs
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interUSING HARDWARE PROTECTION FEAT
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USING HARDWARE PROTECTION FEATURES(
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USING HARDWARE PROTECTION FEATURES
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USING HARDWARE PROTECTION FEATUREST
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USING HARDWARE PROTECTION FEATURESo
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USING HARDWARE PROTECTION FEATURESL
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USING HARDWARE PROTECTION FEATUREST
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USING HARDWARE PROTECTION FEATURESE
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inl:el~USING HARDWARE PROTECTION FE
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IntelUSING HARDWARE PROTECTION FEAT
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IntelU~ING HARDWARE PROTECTION FEAT
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lSLDTFORMATRt;;SERV~~"O~iA~~.~ijij
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CHAPTER 3REAL MEMORY MANAGEMENTIn d
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REAL MEMORY MANAGEMENTIALLOCATEGATE
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interREAL MEMORY MANAGEMENTBEFOREAF
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REAL MEMORY MANAGEMENTGLOBAL DESCRI
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REAL MEMORY MANAGEMENTTable 3-1. Ac
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REAL MEMORY MANAGEMENTBEFOREI "FREE
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REAL MEMORY MANAGEMENTBEFOREI "FREE
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REAL MEMORY MANAGEMENTPL/M-286 COMP
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IIIIIIIIIIIIIIIIIIIIII
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II I telTASK MANAGEMENTCPUTASK REGI
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TASK MANAGEMENTIf the proc~sser, wh
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TASK MANAGEMENTUsually, termination
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TASK MANAGEMENTTASK XTSS TSS TSS TS
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TASK MANAGEMENTSCHEDULING POLICIEST
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TASK MANAGEMENTThe example in figur
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TASK MANAGEMENTREADY QUEUESBY PRIOR
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IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
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CHAPTER 5DATA SHARING, ALIASING, AN
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DATA SHARING, ALIASING, AND SYNCHRO
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interDATA SHARING, ALIASING, AND SV
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CHAPTER 6SIGNALS AND INTERRUPTSInte
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interSIGNALS AND INTERRUPTSlOTGOTTS
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SIGNALS AND INTERRUPTSTable 6-1. In
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SIGNALS AND INTERRUPTSSend interrup
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SIGNALS AND INTERRUPTSprocedure suc
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Handling Exception Conditions 7
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HANDLING EXCEPTION CONDITIONSError
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HANDLING EXCEPTION CONDITIONSAn exc
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HANDLING EXCEPTION CONDITIONSA few
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HANDLING EXCEPTION CONDITIONSAn ins
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CHAPTER 8INPUT /OUTPUTMany of the c
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INPUT /OUTPUTYou can still take adv
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INPUT /OUTPUT• Only the operating
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INPUT /OUTPUTtask the I/0 procedure
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CHAPTER 9VIRTUAL MEMORYThe memory l
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VIRTUAL MEMORYthose segments that a
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VIRTUAL MEMORY• Return the RAM sp
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VIRTUAL MEMORYReplacementThe operat
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System Initialization10
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CHAPTER 10SYSTEM INITIALIZATIONThe
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SYSTEM INITIALIZATIONStarting the f
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iAPX286 "ACRO ASSEMBLERLOCOBJEnter
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iAPX286 MACRO ASSEMBLEtEnter Protec
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iAPX286 MACRO ASSEMBLER·· Enter ~
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iAPX286 'UCRO USE148LER Ente,. P,.o
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iAPX286 MACRO ASSEMBLEREnt9~ P~otec
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iAPX286 MACRO ASSEMBLE~ INITIAL TAS
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CHAPTER 11BINDING AND LOADINGBindin
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BINDING AND LOADINGNamingThe names
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BINDING AND LOADING$ COMPACT (NUCLE
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interBINDING AND LOADINGsystem-IDiA
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BIND.ING AND LOADINGConverting a Pr
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BINDING AND LOADINGThe OMF of each
Page 193 and 194: interBINDING AND LOADINGsystem-IDiA
Page 195 and 196: BINDING AND LOADINGPL/M-2B6 COMPILE
Page 197 and 198: BINDING AND LOADI.NGPL/M-286 COMPIL
Page 199 and 200: BINDING AND LOADINGPL/M-286 COMPILE
Page 201 and 202: BINDING AND LOADINGPL/M-2B6 COMPILE
Page 203 and 204: BINDING AND LOAD.INGPL/M-286 COMPIL
Page 205 and 206: interBINDING AND LOADINGPL/M-286 CO
Page 207 and 208: BINDING AND LOADINGPL/M-286 COMPILE
Page 209: Numerics Processor Extension 12
Page 212 and 213: NUMERICS PROCESSOR EXTENSIONMath Pr
Page 214 and 215: interNUMERICS PROCESSOR EXTENSION
Page 217: Extended Protection13
Page 220 and 221: EXTENDED PROTECTIONIndirect NamingT
Page 222 and 223: EXTENDED PROTECTIONanother procedur
Page 225: Glossary
Page 228 and 229: GLOSSARYbootloadable module: a modu
Page 230 and 231: GLOSSARYexception: a processor-dete
Page 232 and 233: GLOSSARYintersegment reference: a r
Page 234 and 235: GLOSSARYoutward call: the attempt t
Page 236 and 237: GLOSSARYscheduling state: one of se
Page 238 and 239: GLOSSARYvirtual address: an address
Page 240 and 241: INDEXES register, 2-17, 2-18, 2-21,
Page 242 and 243: INDEXpresent bit, 2-2, 2-3, 2-9, 5-
Page 246 and 247: interALABAMAtA.rrow ElectroniCs, In
Page 248 and 249: intJINTEL EUROPEAN SALES OFFICESBEL
Page 250: intJU.S. SERVICE OFFICESCALIFORNIAI
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