Liangxu Linux

Nov 16, 2020 · Fundamentals

Unlocking the Secrets of x86/x64 CPU Registers: A Deep Dive

This comprehensive guide explores the myriad x86/x64 CPU registers—including general, flag, instruction, segment, control, debug, descriptor, task, and model‑specific registers—explaining their roles, how they interact in memory addressing, multitasking, system calls, and debugging, while highlighting key differences between 32‑bit and 64‑bit modes.