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Differential D45173

arm64: add CONTEXTIDR_EL1 reg
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Authored by zachary.leaf_arm.com on May 13 2024, 9:53 AM.
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Reviewers
andrew
manu
Group Reviewers
arm64
Commits
rG2f0fe453bc70: arm64: add CONTEXTIDR_EL1 reg
rG4f8ba1c9dd00: arm64: add CONTEXTIDR_EL1 reg
Summary

CONTEXTIDR_EL1 is used in debug and trace features to identify the
current process or context.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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Event Timeline

zachary.leaf_arm.com created this revision.May 13 2024, 9:53 AM
Herald added a reviewer: manu. · View Herald TranscriptMay 13 2024, 9:53 AM
Herald added subscribers: emaste, imp. · View Herald Transcript
zachary.leaf_arm.com requested review of this revision.May 13 2024, 9:53 AM
zachary.leaf_arm.com added a parent revision: D45172: arm64: add PMBSR_MSS_{BSC,FSC} status code field.
Harbormaster completed remote builds in B57675: Diff 138463.May 13 2024, 9:53 AM
andrew added inline comments.May 13 2024, 11:34 AM
sys/arm64/include/armreg.h
142

For historic reasons CONTEXTIDR_EL1 would be a unique number for each register and CONTEXTIDR_EL1_REG would be the S?_?_C?_C?_? name.

andrew mentioned this in D45171: arm64: make SPE regs use ALT_NAME macro.May 13 2024, 11:35 AM
zachary.leaf_arm.com updated this revision to Diff 138482.May 13 2024, 4:58 PM
  • Retain both MRS_REG + MRS_REG_ALT_NAME variants
Harbormaster completed remote builds in B57686: Diff 138482.May 13 2024, 4:58 PM
andrew accepted this revision.May 14 2024, 9:59 AM
This revision is now accepted and ready to land.May 14 2024, 9:59 AM
Closed by commit rG4f8ba1c9dd00: arm64: add CONTEXTIDR_EL1 reg (authored by zachary.leaf_arm.com, committed by andrew). · Explain WhyMay 17 2024, 3:12 PM
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rG4f8ba1c9dd00: arm64: add CONTEXTIDR_EL1 reg.
andrew added a commit: rG2f0fe453bc70: arm64: add CONTEXTIDR_EL1 reg.Mon, Oct 21, 3:05 PM

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PathSize
sys/
arm64/
include/
9 lines

Diff 138653

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sys/arm64/include/armreg.h

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