[coreboot-gerrit] [M] Change in coreboot[master]: arch/arm64: Add EL1/EL2/EL3 support for arm64

[Nico Huber (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, David Milosevic, Julius Werner, Lean Sheng Tan, Maximilian Brune.

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74798?usp=email )

Change subject: arch/arm64: Add EL1/EL2/EL3 support for arm64
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Patch Set 5:

(1 comment)

File src/arch/arm64/transition_asm.S:

https://review.coreboot.org/c/coreboot/+/74798/comment/cd3d83c4_eda4b896 :
PS5, Line 155: 	mrs	x1, currentel
> I know its like this in most of our code, but personally I don't understand why I would want to pref […]

We prefer linker garbage-collection over preprocessing where possible. It
helps to keep the code readable. Sometimes it may seem like overkill, but
in the past, code got really messy due to #if. Also, it allows us to build
test more code at once. That's for C, in `.S` things are different ofc.