powerpc64le: fix boot when using QEMU PowerNV
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Authored by luporl on Nov 24 2021, 2:10 PM.

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rG9c1f54589173: powerpc64le: fix boot when using QEMU PowerNV
rGe141b62d2088: powerpc64le: fix boot when using QEMU PowerNV

Summary

When using QEMU PowerNV with latest op-build release (v2.7), its
kexec transfers control to FreeBSD kernel in BE mode, causing an
instant exception on LE kernels. Make kboot able to detect and
swap endian to fix this.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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No Test Coverage

Build Status

Buildable 42955
Build 39843: arc lint + arc unit

Event Timeline

luporl created this revision.Nov 24 2021, 2:10 PM

Herald added subscribers: jhibbits, imp. · View Herald TranscriptNov 24 2021, 2:10 PM

luporl requested review of this revision.Nov 24 2021, 2:10 PM

Harbormaster completed remote builds in B42955: Diff 98953.Nov 24 2021, 2:10 PM

imp accepted this revision.Nov 24 2021, 4:54 PM

This revision is now accepted and ready to land.Nov 24 2021, 4:54 PM

Closed by commit rGe141b62d2088: powerpc64le: fix boot when using QEMU PowerNV (authored by luporl). · Explain WhyNov 25 2021, 7:44 PM

This revision was automatically updated to reflect the committed changes.

luporl added a commit: rGe141b62d2088: powerpc64le: fix boot when using QEMU PowerNV.

luporl added a commit: rG9c1f54589173: powerpc64le: fix boot when using QEMU PowerNV.Oct 4 2022, 4:30 PM

Revision Contents
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Path

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sys/

powerpc/

aim/

locore64.S

3 lines

Diff 98953

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sys/powerpc/aim/locore64.S

powerpc64le: fix boot when using QEMU PowerNVClosedPublicActions