Basic Technique: Limited Direct Execution
Explore the limited direct execution technique to understand how operating systems run programs directly on the CPU while controlling their actions. Learn how this method balances efficiency with system control and enables process switching for CPU virtualization.
We'll cover the following...
We'll cover the following...
Direct execution protocol
To make a program run as fast as one might expect, not surprisingly OS developers came up with a technique, which we call limited direct execution. The “direct execution” part of the idea is simple: just run the program directly on the CPU. Thus, when the OS wishes to start a program ...