Learn how the Arm architecture works with our series of guides. From the fundamentals to more advance concepts, these guides provide an accessible introduction to the architecture that powers Arm-based technology. Check back regularly for new guides and resources.

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Architecture fundamentals | Advanced features | Software development

Architecture fundamentals

  • Introducing the Arm Architecture

    This guide introduces the Arm architecture for anyone with an interest in it. No prior knowledge of the Arm architecture is needed, but a general familiarity with processors and programming and their terminologies is assumed.

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  • Armv8-A Exception model

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    This guide introduces the exception and privilege model in Armv8-A.  This guide covers the different types of exceptions in the Arm architecture, and the behavior of the processor when it receives an exception.

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  • Armv8-A Instruction Set Architecture (ISA)

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    This guide introduces the A64 instruction set, used in the 64-bit Armv8-A architecture, also known as AArch64.

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  • Armv8-A memory management

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    This guide introduces memory translation in Armv8-A, which is key to memory management. It explains how virtual addresses are translated to physical addresses, the translation table format, and how software manages the Translation Lookaside Buffers (TLBs).

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  • Armv8-A memory model

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    This guide introduces the memory model in Armv8-A. It begins by explaining where attributes that describe memory come from and how they are assigned to regions of memory. Then it introduces the different attributes that are available and explains the basics of memory ordering. 

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  • Understanding the Armv8.x extensions

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    This guide explains extensions to the Arm architecture and provides guidance on how to read and use them.

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Advanced features

Software Development