iAPX 286 Operating System Writers Guide 1983

INDEX"invalid TSS" exception, 7-5 thru 7-7, 9-2, 9-510PL (I/O privilege level), 4-6, 5-6, 8-1, 8-2,8-5IP register, 4-4, 6-9, 7-1, 7-3, 7-5, 7-7, 10-1,11-9, 12-4, 12-5IRET, 2-7, 2-10, 4-3, 4-4, 4-13, 6-4, 6-6, 6-7, 6-9,7-3,7-5,7-7,8-2,12-5JMP, 2-5, 2-7, 2-9, 2-10, 4-3, 4-4, 4-13, 7-7,10-1, 10-3LABEL,11-4LAR, 9-7, 13-2, 13-4LARGE,11-4LDT, see local descriptor tableLDT register, 2-14, 4-3, 7-6, 9-1LDT selector (of TSS), 4-1, 4-3, 6-9, 7-5, 10-2,11-11LEAVE,7-6LGDT,2-15LIDT, 2-15, 6-2limit field (of descriptor), 2-4, 2-5, 2-12, 2-15,2-16,4-1,5-3,7-5 thru 7-7, 9-5, 10-1, 10-3,11-11,12-4,13-2,13-4linkage, 1-10, 7-6LLDT, 2-14, 7-6LMSW, 10-1,12-1loading, see program loadinglocal descriptor table (LDT), 2-5, 2-12, 2-14,2-16,2-18 thru 2-20, 3-1, 4-10, 5-1 thru 5-3,5-10,5-17,6-7,7-2,8-7,9-3,9-4,9-7,10-2,10-3, 11-2, 11-4, 11-5, 11-8 thru 11-12not present, 9-1, 9-2LOCAUTABLE,2-14LOCK,8-2LODTXT section, 11-11, 11-12logical segment, 1-1, 11-2 thru 11-5Lst, 9-7, 13-2, 13-4LTR, 4-1,9-1MACHINE$STATUS, 12-1mailbox, 5-10 thru 5-12, 5-16, 5-17, 8-7, 9-3,9-5, 11-2, 13-1, 13-4, 13-5mechanisms, see policies and mechanismsmemory managementreal, 1-8, 1-9,2-22, Chapter 3,5-4,5-12,5-17,8-3, 8-5, 11-6virtual, 1-8,2-2,2-3,2-7,7-6, Chapter 9, 11-9message, 2-19, 3-9, 4-9, 5-4, 5-10, 5-12, 5-16module, 11-1 thru 11-6bootloadable, 11-6, 11-10linkable, 11-6, 11-10load able, 1-10, 11-10, 11-11, 11-14object, 1-8, 1-9, 11-9, 11-10MOV, 7-6MOVS, 7-7MP (math present) flag, 7-4, 12-1 thru 12-4MSW (machine status word), 7-4, 7-8, 10-1,12-1, 12-2multiprocessor systems, 3-10mutual exclusion, 5-5, 5-6naming, 11-1 thru 11-6, 11-11, 11-12, 13-1, 13-2,13-4, 13-5NEAR,II-4NMI (non-maskable interrupt), 6-1, 6-2, 10-2NOT PRESENT statement, 11-12"not present" exception, 7-5 thru 7-7,9-1,9-3thru 9-8, 11-3see also present bitNT (nested task) flag, 4-2 thru 4-4, 4-7, 7-6, 9-4,11-10Numerics Processor Extension (NPX),see 80287OBJECT, 11-6object module format (OMF), 11-8, 11-10,11-11OF (overflow) flag, 7-3OUT,8-2OUTS, 7-7, 8-2outward call, 6-8overflow exception, 7-3paged architecture, 9-6parallel table, 5-3, 13-1parallelism. 1-4, 8-4, 8-7PE (protection enable) flag, 10-1Petri net graph, 8-4, 8-5physical address, 1-8, 1-9,2-4,3-2 thru 3-4,11-10physical segment, 1-1, 1-2,2-12,2-15, 11-1 thru11-3PIC, see 8259A Programmable InterruptControllerpipes, 5-17PL/M-286, 2-14 thru 2-16, 2-21, 2-22, 3-3, 3-6,4-1, 4c3, 4-13, 6-2, 11-4, 11-6, 12-2, 12-4,13-2pointer parameters, see selector parameterspolicies and mechanismsscheduling, 4-9, 4-10virtual memory management, 9-1, 9-6POP, 7-6POPA,7-7POPF,8-2preemption, 4-5, 4-7, 4-9, 4-10, 4-13prefix, 7-1Index-3 121960-001