operating system

Main memory must support both OS and user processes. ▫ Limited resource, must allocate efficiently. ▫ Contiguous allocation is one early method.

由 CA Waldspurger 著作 · 1993 · 被引用 100 次 — that commonly occur in multiprocessor systems. This pa- per presents register relocation, a new mechanism that efficiently supports flexible partitioning.

Dynamic relocation using a relocation register · 當模組被呼叫時，才能將其載入主要記憶體中。 · 為了有更好的memory-space使用率，所以沒有使用的routine將永不載入。

Base register在實作中可以檢查從logical address轉移到physical address的動作，所以又稱為relocation register。 使用者程式可以處理logical address，但從沒看過真正的 ...

Dynamic Relocation: – hardware adds relocation register (base) to virtual address to get a physical address;. – hardware compares address with limit register ...

2016年5月14日 — Relocation is a base register which hold the smallest physical address and the limit register is the range of logical address or size of range.

Relocation registers used to protect user processes from each other, and from changing operating-system code and data. – Base register contains value of ...

– Base register now called relocation register. – MS-DOS on Intel 80x86 used 4 relocation registers. • The user program deals with logical addresses; it never ...