CPU Architecture Docs

AMD64

• ​AMD64 Architecture Programmer’s Manual Volume 1: Application Programming
• ​AMD64 Architecture Programmer’s Manual Volume 2: System Programming
• ​AMD64 Architecture Programmer’s Manual Volume 3: General-Purpose and System Instructions
• ​Software Optimization Guide for AMD64 Processors
• ​Software Optimization Guide for AMD Family 10h Processors
• ​System V Application Binary Interface AMD64 Architecture Processor Supplement

ARM

• ARM Architecture Reference Manual [officially not available any more] ​Google it!
• ​ARMv5 Architecture Reference Manual [registration required] ​Google it!
• ​Procedure Call Standard for the ARM Architecture

IA-32

• ​Intel® 64 and IA-32 Architectures Software Developer Manuals
• ​Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 1: Basic Architecture
• ​Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 2A: Instruction Set Reference, A-M
• ​Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 2B: Instruction Set Reference, N-Z
• ​Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 3A: System Programming Guide, Part 1
• ​Intel® 64 and IA-32 Architectures Software Developer’s Manual Volume 3B: System Programming Guide, Part 2
• ​Intel® 64 and IA-32 Architectures Optimization Reference Manual
• ​MultiProcessor Specification
• ​82093AA I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC)
• ​Intel 82093AA I/O Advanced Programmable Interrupt Controller (I/O APIC) Specification Update
• ​SYSTEM V APPLICATION BINARY INTERFACE Intel386 Architecture Processor Supplement

IA-64

• ​Intel Itanium Architecture Software Developer’s Manual Volume 1: Application Architecture
• ​Intel Itanium Architecture Software Developer’s Manual Volume 2: System Architecture
• ​Intel Itanium Architecture Software Developer’s Manual Volume 3: Instruction Set Reference
• ​Intel Itanium Software Conventions & Runtime Architecture Guide

MIPS

• ​MIPS R4000 Microprocessor User’s Manual
• ​MIPS32® 4K® Processor Core Family Software User's Manual [registration required] ​Google it!
• ​SYSTEM V APPLICATION BINARY INTERFACE MIPS RISC Processor Supplement
• ​Official index of MIPS architectures with manuals (registration required to download manuals)
• ​MIPS32 Instruction Set Quick Reference
• ​MIPS32® Architecture for Programmers Volume I: Introduction to the MIPS32® Architecture (unofficial copy)
• ​MIPS32® Architecture for Programmers Volume II: The MIPS32® Instruction Set
• ​MIPS32® Architecture for Programmers Volume III: The MIPS32® Privileged Resource Architecture
• ​MIPS64® Architecture for Programmers Volume I: Introduction to the MIPS64™ Architecture (unofficial copy)
• ​MIPS64® Architecture for Programmers Volume II: The MIPS64® Instruction Set (unofficial copy)
• ​MIPS64® Architecture For Programmers Volume III: The MIPS64® and microMIPS64™ Privileged Resource Architecture (unofficial copy)

PowerPC

• ​IBM PowerPC 970MP RISC Microprocessor User’s Manual
• ​PowerPC Microprocessor Family: The Programming Environments for 32-Bit Microprocessors
• ​PowerPC Microprocessor Family: The Programming Environments Manual for 64-bit Microprocessors
• ​SYSTEM V APPLICATION BINARY INTERFACE PowerPC Processor Supplement

SPARC V9

• ​The SPARC Architecture Manual Version 9
• ​SPARC Joint Programming Specification (JPS1): Commonality
• UltraSPARC User’s Manual, UltraSPARC-I, UltraSPARC-II [officially not available any more] ​Google it!
• UltraSPARC-IIi User's Manual [officially not available any more] ​Google it!
• UltraSPARC-IIe User's Manual [officially not available any more] ​Google it!
• UltraSPARC-IIIi User's Manual [officially not available any more] ​Google it!
• ​UltraSPARC Architecture 2005, PE
• UltraSPARC Architecture 2005, HE [official link broken]
• ​UltraSPARC Architecture 2007, PE
• ​UltraSPARC Architecture 2007, HE
• ​Oracle SPARC Architecture 2011, Priv+Nonpriv
• ​UltraSPARC T1 Supplement to the UltraSPARC Architecture 2005, PE+HE
• ​UltraSPARC T2 Supplement to the UltraSPARC Architecture 2007, PE
• ​UltraSPARC T2 Supplement to the UltraSPARC Architecture 2007, HE
• ​SPARC T4 Supplement to the Oracle SPARC Architecture 2011, Priv+Nonpriv
• ​SPARC T4 Supplement to the Oracle SPARC Architecture 2011 - Performance Instrumentation, Priv+Nonpriv
• ​SPARC M5 Supplement to the Oracle SPARC Architecture 2011, Priv+Nonpriv
• ​UltraSPARC Virtual Machine Specification
• ​SPARC COMPLIANCE DEFINITION 2.4
• ​FOSS Open Hardware Documentation