Looking for AArch64 reference book that are easy to understand

[ultimaweapon]

Currently I'm using Arm Architecture Reference Manual for A-profile architecture but I find it is very hard to make a full understand on each topic because the content are poorly organized compared to AMD64 Architecture Programmer's Manual, Volume 2.

[ultimaweapon]

The reason AMD64 book are easy to understand for me is because it summarize the content like:

Long-mode page translation requires the use of physical-address extensions (PAE). Before activating
long mode, PAE must be enabled by setting CR4.PAE to 1. Activating long mode before enabling PAE
causes a general-protection exception (#GP) to occur.

Compared to ARM book:

A translation table walk is the set of translation table lookups that are required to do all of the following:
• For a single stage translation at stage 1, translate a VA to a PA.
• For two translation stages and stage 1 is disabled, translate an IPA to a PA.
• For a two stage translation, all of the following:
— For a stage 1 translation, translate a VA to an IPA.
— For a stage 2 translation, translate an IPA to a PA for each of the stage 1 translation table lookups.
— For a stage 2 translation, translate an IPA to a PA for the stage 1 OA.

[ultimaweapon]

Seems like I found a better version https://www.arm.com/architecture/learn-the-architecture/a-profile. This feel a lot better than the PDF version.