Add an enable_interrupts_and_hlt function that executes sti; hlt
#138
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
phil-opp
force-pushed
the
enable_interrupts_and_hlt
branch
from
feafbaf
to
d880ac7
Compare
phil-opp
force-pushed
the
enable_interrupts_and_hlt
branch
from
d880ac7
to
944cf0e
Compare
phil-opp
added a commit
that referenced
this pull request
Mar 8, 2020
|
Published as version 0.9.6 |
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Outdated suggestions cannot be applied.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.
This function atomically enable interrupts and put the CPU to sleep by executing the
sti; hltinstruction sequence. Since the sti instruction keeps interrupts disabled until after the immediately following instruction (called "interrupt shadow"), no interrupt can occur between the two instructions.