Page MenuHomeFreeBSD
Differential D34644

arm64: disable the EL2 MMU in early boot
ClosedPublic
Actions

Authored by kevans on Mar 23 2022, 3:20 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sat, Nov 22, 2:10 AM
Unknown Object (File)
Thu, Nov 20, 8:32 PM
Unknown Object (File)
Tue, Nov 11, 4:36 PM
Unknown Object (File)
Mon, Nov 10, 3:55 AM
Unknown Object (File)
Tue, Nov 4, 10:52 AM
Unknown Object (File)
Wed, Oct 29, 10:44 AM
Unknown Object (File)
Wed, Oct 29, 8:01 AM
Unknown Object (File)
Wed, Oct 29, 7:46 AM
View All Files
Subscribers
emaste
imp

Details

Reviewers
andrew
manu
Group Reviewers
arm64
Commits
rG51adf913e881: arm64: disable the EL2 MMU before dropping to EL1
Summary

An earlier stage may have set HCR_EL2.E2H, the clearing of which may
break address translation. We don't need the EL2 MMU at this point, so
we can avoid re-enabling it for now and just drop to EL1 as usual.

Author: andrew
Tested by: kevans

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 44864
Build 41752: arc lint + arc unit

Revision Contents
Changeset List

PathSize
sys/
arm64/
arm64/
10 lines

Diff 104114

View Options

sys/arm64/arm64/locore.S

Loading...