Armv8/Armv9架构的学习大纲-学习方法-自学路线-付费学习路线
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ARM 64位架构介绍
ARM 64位架构介绍
ARM架构概况,v8-A及其他架构概况
ARM架构扩展到v8-A, v8.1A, v8.2-A等版本
v8-A介绍和原理
支持v7遗留代码
AArch32和AArch64状态
v7指令集变更
废弃
新增功能(一些新的64位特性也被添加到32位执行中)
64位平台架构概述
示例SoC
多核处理器
互连(ACE或CHI)
一致性和互连
分布式中断控制器
固件的角色
启动
A64指令集架构(ISA)
整数操作
指令集
整数操作
内存操作
堆栈
系统指令
系统控制寄存器
与v7支持和协处理器的关系
调用约定
内存访问(DRAM和设备)
排序模型
屏障
dmb, dsb, isb
负载-获取和存储-释放
领域
信号量
缓存管理
浮点,先进的SIMD,加密
寄存器和指令
异常级别
4个异常级别
栈模型,处理程序和线程
向量表
核心实现选择
切换AArch32和AArch64状态
异常和中断处理
控制异常和中断的传递
综合寄存器
切换异常级别
从异常中返回
分页
使用页表进行内存管理
4K, 16K和64K粒度
页大小
使用页表实现的特性,例如“永不执行”
地址空间技巧——不属于地址的一些字段,例如标签和指针认证
TLB管理
EL2概述
处理器特性,适用于虚拟化
使用异常级别
内存管理
二级页表
内存分区
I/O MMU (SMMU)
启动过程中使用EL2进行UEFI执行
增加了Secure EL2架构
缓存
硬件缓存一致性
软件责任
软件中的缓存控制
安全(TrustZone)
TrustZone功能
安全内存
链接到其他架构中的TrustZone
32位或64位TrustZone
异常级别上的影响和Secure EL2的增加
切换TrustZone的位宽
动态TrustZone,也称为Realms,是ARM的机密计算架构的一部分
其他主题
核心电源管理,外部电源控制器
电源模式(休眠,关闭)
WFI, WFE, SEV
调试(硬件和软件调试)
调试器,虚拟机监控程序,操作系统
RAS(可靠性,可用性,可维护性)
启动过程
Introduction to ARM 64-bit Architecture
Introduction to ARM 64-bit Architecture
ARM architecture profiles, what is v8-A and the other architecture profiles
ARM architecture extensions to v8-A, the v8.1A, v8.2-A, etc
v8-A introduction and rationale
Support for v7 legacy code
AArch32 and AArch64 state
v7 instruction set changes
Deprecation
Additional features (some new 64-bit features have also been added to 32-bit execution)
64-bit Platform Architecture Overview
Sample SoC
MP Core
Interconnect (ACE or CHI)
Coherency and the interconnect
Distributed interrupt controller
Role of firmware
Booting
A64 ISA (Instruction Set Architecture)
Integer operations
Instruction set
Integer operations
Memory operations
Stack
System instructions
System control registers
Relationship to v7 support and co-processors
Calling conventions
Memory access (DRAM and device)
Ordering model
Barriers
dmb, dsb, isb
load-acquire and store-release
Domains
Semaphores
Cache management
Floating point, advanced SIMD, crypto
Registers and instructions
Exception levels
The 4 exception levels
Stack model, handler and thread
Vector table
Core implementation choices
Switching AArch32 and AArch64 state
Exception and interrupt handling
Control of delivery of exceptions and interrupts
Syndrome registers
Switching exception levels
Return from exception
Paging
Memory management with page tables
4K, 16K and 64K granules
Page sizes
Features achieved with page tables, such as execute never
Address space trickery – fields in pointers that are not part of the address, such as tags and pointer authentication
TLB management
EL2 Overview
Processor features intended for virtualization
Use of exception levels
Memory management
Second level page tables
Memory partitioning
I/O MMU (SMMU)
The use of EL2 for UEFI execution during boot
Addition of Secure EL2 to the architecture
Caches
Hardware cache coherency
Software responsibilities
Cache control in software
Security (TrustZone)
TrustZone functionality
Secure memory
Links to TrustZone in other architectures
32-bit or 64-bit TrustZone
Implications on exception levels, and the addition of secure EL2
Switching bitness of TrustZone
Dynamic TrustZone, also called Realms, part of ARM's Confidential Compute Architecture
Other Topics
Core power management, external power controller
Power modes (dormant, shutdown)
WFI, WFE, SEV
Debug (hardware and software based debug)
Debugger, hypervisor, OS
RAS (Reliability, Availability, Serviceability)
Boot process
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