Arm preliminaries

Preface

Sort out and summarize relevant concepts based on online materials , Part of the content is quoted from the following article .

Refer to the manual for details “ ARMv8-A Architecture reference manual-DDI0487A_g_armv8_arm.pdf  ”

1. Basic concepts

This section is quoted from the article “ ARMV8 datasheet Learning notes 1： Preliminary knowledge   ”, Put the link at the end of the text .

ARMv8 Our architecture inherits the past ARMv7 With the foundation of previous processor technology ;

In addition to supporting the existing 16/32bit Of Thumb2 Out of order , Also forward compatible with existing A32(ARM 32bit) Instruction set .

be based on 64bit Of AArch64 framework , In addition to adding A64(ARM 64bit) Outside the instruction set , It also expands the existing A32(ARM 32bit) and T32(Thumb2 32bit） Instruction set , In addition, new CRYPTO( encryption ) Module support .

1.1 Related terms

 1.2 primary coverage

 1.3 Manual catalog

Reference resources

1、 author	post
jasonactions	ARMV8 datasheet Learning notes 1： Preliminary knowledge