'Local descriptor table' presentation slideshows

Memory Management Unit and Segment Description and Paging

Memory Management Unit and Segment Description and Paging. 80386Dx descriptor Tables GDT, LDT, IDT, descriptor cache, Code , data and stack descriptors , system descriptors, privilege levels, Segmentation in 80386DX, comparison of segmentation with 8086,

1.33k views • 99 slides

The Pentium Processor

The Pentium Processor. Chapter 7 S. Dandamudi. Pentium family history Pentium processor details Pentium registers Data Pointer and index Control Segment Real mode memory architecture. Protected mode memory architecture Segment registers Segment descriptors Segment descriptor tables

964 views • 41 slides

ECE291

ECE291. Lecture 14 Protected mode. Lecture outline. Real mode review Protected mode theory Differences Protected mode examples. Segment Offset Special Purpose CS IP Instruction address SS SP or BP Stack address DS BX, DI, SI, Data address an 8- or 16-bit number

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Protected Mode

Protected Mode. Protected Mode (1 of 2). 4 GB addressable RAM (00000000 to FFFFFFFFh) Each program assigned a memory partition which is protected from other programs Designed for multitasking Supported by Linux & MS-Windows. Protected Mode.

464 views • 17 slides

i386 Memory Management

i386 Memory Management. Professor Ching-Chi Hsu 1998 ? 4 ?. Registers (1). general registers eight 32-bit general-purpose registers(eax,ebx,ecx,edx,ebp,esp,esi,edi) ebp is calculated automatically in current stack segment,or explicitly specified to index into segments via other segment

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Venturing into protected-mode

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Lect 7: Protected-Mode Software Architecture

Lect 7: Protected-Mode Software Architecture. Protected-Mode Register Model. EIP. GDTR : global descriptor table LDTR : local descriptor table IDTR : interrupt descriptor table TR : task register EIP : 32 bits in length EFLAGS CR 0 , CR 1 , CR 2 , CR 3 DR 0 -DR 7 (Debug registers)

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16.317 Microprocessor Systems Design I

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16.317 Microprocessor Systems Design I

144 views • 7 slides