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Differential D46817

arm64: Implement efi_rt_arch_call
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Authored by andrew on Sep 27 2024, 3:50 PM.
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emaste
imp

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kib
markj
manu
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arm64
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rGd7f930b80e89: arm64: Implement efi_rt_arch_call
Summary

This is a function that calls into the EFI Runtime Services, but can
handle a fault. To support this add a handler in assembly that can
restore the kernel state on an exception and return a failure to the
caller.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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Event Timeline

andrew created this revision.Sep 27 2024, 3:50 PM
Herald added a reviewer: manu. · View Herald TranscriptSep 27 2024, 3:50 PM
Herald added subscribers: emaste, imp. · View Herald Transcript
andrew requested review of this revision.Sep 27 2024, 3:50 PM
Harbormaster completed remote builds in B59628: Diff 143812.Sep 27 2024, 3:50 PM
andrew added a parent revision: D46816: arm64: Don't enable interrupts when in a spinlock.Sep 27 2024, 3:50 PM
andrew added a child revision: D46818: arm64: Enable handling EFI runtime service faults.
andrew updated this revision to Diff 144090.Oct 1 2024, 1:29 PM

Add vm_fault_disable_pagefaults/vm_fault_enable_pagefaults around calls to the EFI runtime services

Harbormaster completed remote builds in B59675: Diff 144090.Oct 1 2024, 1:29 PM
This revision was not accepted when it landed; it landed in state Needs Review.Oct 24 2024, 10:37 AM
Closed by commit rGd7f930b80e89: arm64: Implement efi_rt_arch_call (authored by andrew). · Explain Why
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rGd7f930b80e89: arm64: Implement efi_rt_arch_call.

Revision Contents
Changeset List

PathSize
sys/
arm64/
arm64/
9 lines
101 lines
6 lines
include/
6 lines
conf/
1 line

Diff 145423

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sys/arm64/arm64/efirt_machdep.c

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sys/arm64/arm64/efirt_support.S

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sys/arm64/arm64/genassym.c

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sys/arm64/include/proc.h

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sys/conf/files.arm64

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