aarch64: Setup SIMD at startup #214
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
"cortex-a" crate has been renamed to "aarch64-cpu", and is deprecated. This commit replace this crate with "aarch64-cpu" crate. Signed-off-by: Akira Moroo <retrage01@gmail.com>
A recent GRUB binary implicitly uses advanced SIMD registers. We don't want to trap use of these registers, we have to ensure that CPACR_EL.FPEN is set to 0b11. Signed-off-by: Akira Moroo <retrage01@gmail.com>
retrage
force-pushed
the
aarch64-cpu-simd
branch
from
89764cf to
14abd71
Compare
rbradford
approved these changes
Jan 24, 2023
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
These changes are required to run a recently built GRUB binary as described in the commit 89764cf.