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Definitive Guide to Arm Cortex-M23 and Cortex-M33 Processors

Name: Definitive Guide to Arm Cortex-M23 and Cortex-M33 Processors
Author: Joseph Yiu
ISBN: 9780128207369

by Joseph Yiu

December 2020

Intermediate to advanced

928 pages

27h 40m

English

Newnes

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Cover image
Title page
Table of Contents
Copyright
Dedication
Preface
Contributing author: Paul Beckmann
Acknowledgments
Chapter 1: Introduction
Abstract1.1: Microcontrollers and processors1.2: Classification of processors1.3: The Cortex-M23 and Cortex-M33 processors and the Armv8-M architecture1.4: Characteristics of the Cortex-M23 and Cortex-M33 processors1.5: Why have two different processors?1.6: Applications of the Cortex-M23 and Cortex-M331.7: Technical features1.8: Comparison with previous generations of Cortex-M processors1.9: Advantages of the Cortex-M23 and Cortex-M33 processors1.10: Understanding microcontroller programming1.11: Further reading
Chapter 2: Getting started with Cortex-M programming
Abstract2.1: Overview2.2: Some basic concepts2.3: Introduction to Arm Cortex-M programming2.4: Software development flow2.5: Cortex Microcontroller Software Interface Standard (CMSIS)2.6: Additional information on software development

Chapter 3: Technical overview of the Cortex-M23 and Cortex-M33 processors
Abstract3.1: Design objectives of Cortex-M23 and Cortex-M33 processors3.2: Block diagrams3.3: Processor3.4: Instruction set3.5: Memory map3.6: Bus interfaces3.7: Memory protection3.8: Interrupt and exception handling3.9: Low power features3.10: OS support features3.11: Floating-point unit3.12: Coprocessor interface and Arm Custom Instructions3.13: Debug and trace support3.14: Multicore system design support3.15: Key feature enhancements in Cortex-M23 and Cortex-M33 processors3.16: Compatibility with other Cortex-M processors3.17: Processor configuration options3.18: Introduction to TrustZone3.19: Why TrustZone enables better security?3.20: Firmware asset protection with eXecute-Only-Memory (XOM)
Chapter 4: Architecture
Abstract4.1: Introduction to the Armv8-M architecture4.2: Programmer's model4.3: Memory system4.4: Exceptions and Interrupts4.5: Debug4.6: Reset and reset sequence4.7: Other related architecture information
Chapter 5: Instruction set
Abstract5.1: Background5.2: Instruction set features in various Cortex-M processors5.3: Understanding the assembly language syntax5.4: Use of a suffix in an instruction5.5: Unified Assembly Language (UAL)5.6: Instruction set—Moving data within the processors5.7: Instruction set—Memory access5.8: Instruction set—Arithmetic operations5.9: Instruction set—Logic operations5.10: Instruction set—Shift and rotate operations5.11: Instruction set—Data conversions (extend and reverse ordering)5.12: Instruction set—Bit field processing5.13: Instruction set—Saturation operations5.14: Instruction set—Program flow control
5.15: Instruction set—DSP extension
5.16: Instruction set—Floating point support instructions5.17: Instruction set—Exception-related instructions5.18: Instruction set—Sleep mode-related instructions5.19: Instruction set—Memory barrier instructions5.20: Instruction set—TrustZone support instructions5.21: Instruction set—Coprocessor and Arm custom instructions support5.22: Instruction set—Other functions5.23: Accessing special registers with the CMSIS-CORE
Chapter 6: Memory system
Abstract6.1: Overview of the memory system6.2: Memory map6.3: Memory types and memory attributes6.4: Access permission management6.5: Memory endianness6.6: Data alignment and unaligned data access support6.7: Exclusive access support6.8: Memory ordering and memory barrier instructions6.9: Bus wait state and error support6.10: Single-cycle I/O port—Cortex-M23 only6.11: Memory systems in microcontrollers6.12: Software considerations
Chapter 7: TrustZone support in the memory system
Abstract7.1: Overview7.2: SAU and IDAU7.3: Banked and nonbanked registers7.4: Test Target (TT) instructions and region ID numbers7.5: Memory protection controller and peripheral protection controller7.6: Security aware peripherals
Chapter 8: Exceptions and interrupts—Architecture overview
Abstract8.1: Overview of exceptions and interrupts8.2: Exception types8.3: Overview of interrupts and exceptions management8.4: Exception sequence introduction8.5: Definitions of exception priority levels8.6: Vector table and vector table offset register (VTOR)8.7: Interrupt input and pending behaviors8.8: Target states of exceptions and interrupts in TrustZone systems8.9: Stack frames8.10: EXC_RETURN8.11: Classification of synchronous and asynchronous exceptions
Chapter 9: Management of exceptions and interrupts
Abstract9.1: Overview of exception and interrupt management9.2: Details of the NVIC registers for interrupt management9.3: Details of SCB registers for system exception management9.4: Details of special registers for exception or interrupt masking9.5: Vector table definition in programming9.6: Interrupt latency and exception handling optimizations9.7: Tips and hints
Chapter 10: Low power and system control features
Abstract10.1: The quest for low power10.2: Low power features in the Cortex-M23 and Cortex-M33 processors10.3: More on WFI, WFE, and SEV instructions10.4: Developing low power applications10.5: System Control Block (SCB) and system control features10.6: Auxiliary Control Register10.7: Other registers in the System Control Block
Chapter 11: OS support features
Abstract11.1: Overview of the OS support features11.2: SysTick timer11.3: Banked stack pointers11.4: Stack limit checking11.5: SVCall and PendSV exceptions11.6: Unprivileged execution level and the Memory Protection Unit (MPU)11.7: Exclusive access11.8: How should an RTOS run in a TrustZone environment?11.9: Concepts of RTOS operations in Cortex-M processors
Chapter 12: Memory Protection Unit (MPU)
Abstract12.1: Overview of the MPU12.2: MPU registers12.3: Configuration of the MPU12.4: TrustZone and MPU12.5: Key differences between the MPU in Armv8-M architecture and the architecture of the previous generations
Chapter 13: Fault exceptions and fault handling
Abstract13.1: Overview13.2: Cause of faults13.3: Enabling fault exceptions13.4: Fault handler designs considerations13.5: Fault status and other information13.6: Lockup13.7: Analysis of fault events13.8: Stack trace13.9: Fault handler to extract stack frame and display fault status
Chapter 14: The Floating-Point Unit (FPU) in the Cortex-M33 processor
Abstract14.1: Floating-point data14.2: Cortex-M33 Floating-point Unit (FPU)14.3: Key differences between the FPUs of the Cortex-M33 FPU and the Cortex-M414.4: Lazy stacking in details14.5: Using the FPU14.6: Floating-point exceptions14.7: Hints and tips
Chapter 15: Coprocessor interface and Arm Custom Instructions
Abstract15.1: Overview15.2: Overview of the architecture15.3: Accessing coprocessor instructions via intrinsic functions in C15.4: Accessing Arm Custom Instructions via the intrinsic functions in C15.5: Software steps to take when enabling the coprocessor and the Arm Custom Instructions15.6: Coprocessor power control15.7: Hints and tips
Chapter 16: Introduction to the debug and trace features
Abstract16.1: Introduction16.2: Debug architecture details16.3: An introduction to debug components16.4: Starting a debug session16.5: Flash memory programming support16.6: Software design considerations
Chapter 17: Software development
Abstract17.1: Introduction17.2: Getting started with the Keil Microcontroller Development Kit (MDK)17.3: Procedure Call Standard for the Arm Architecture17.4: Software scenarios
Chapter 18: Secure software development
Abstract18.1: Overview of Secure software development18.2: TrustZone technical details18.3: Secure software development18.4: Creating a Secure project in Keil MDK18.5: CMSE support in other toolchains18.6: Secure software design considerations
Chapter 19: Digital signal processing on the cortex-M33 processor
Abstract19.1: DSP on a microcontroller?19.2: Why use a Cortex-M processor for a DSP application?19.3: Dot product example19.4: Getting more performance by utilizing the SIMD instructions19.5: Dealing with overflows19.6: Introduction to data types for signal processing19.7: Cortex-M33 DSP instructions19.8: Writing optimized DSP code for the Cortex-M33 processor
Chapter 20: Using the Arm CMSIS-DSP library
Abstract20.1: Overview of the library20.2: Function naming convention20.3: Getting help20.4: Example 1—DTMF demodulation20.5: Example 2—Least squares motion tracking20.6: Example 3—Real-time filter design20.7: How to determine the implemented instruction set features in a Cortex-M33 based system
Chapter 21: Advanced topics
Abstract21.1: Further information on stack memory protection21.2: Semaphores, load-acquire and store-release instructions21.3: Unprivileged interrupt handler21.4: Re-entrant interrupt handler21.5: Software optimization topics
Chapter 22: Introduction to IoT security and the PSA Certified™ framework
Abstract22.1: From processor architecture to IoT security22.2: Introduction of PSA Certified22.3: The Trusted Firmware-M (TF-M) project22.4: Additional information
Index

Content preview from Definitive Guide to Arm Cortex-M23 and Cortex-M33 Processors

Chapter 21: Advanced topics

Abstract

This chapter covers a range of advanced topics, such as the estimation of the stack size, the prevention of stack overflows, semaphore/mutex operations, software optimization techniques (e.g., the handling of complex decision, bit data handling, etc.). It also covers how to execute part of an exception handler in unprivileged state and how to enable re-entrant interrupt handlers.

Keywords

Stack size analysis; Semaphores; Table branch; Unprivileged handler; Reentrant interrupt; Load-acquire instructions; Store-release instructions; Bit field: Semaphores; Mutex

21.1: Further information on stack memory protection

21.1.1: Determining the stack memory usage

Stack overflow is a common software issue ...

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