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Differential D44355

arm64: Support hardware breakpoints
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Authored by andrew on Mar 14 2024, 3:23 PM.
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emaste
imp
jhb
zlei

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manu
jhb
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arm64
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rGf242c47ee278: arm64: Support hardware breakpoints
Summary

As with watchpoints allow the kernel debugger to set hardware
breakpoints on arm64.

These have been tested to work in both the ddb and gdb backends.

Sponsored by: Arm Ltd
Sponsored by: Innovate UK

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rG FreeBSD src repository
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Event Timeline

andrew created this revision.Mar 14 2024, 3:23 PM
Herald added a reviewer: manu. · View Herald TranscriptMar 14 2024, 3:23 PM
Herald added subscribers: emaste, imp. · View Herald Transcript
andrew requested review of this revision.Mar 14 2024, 3:23 PM
Harbormaster completed remote builds in B56601: Diff 135748.Mar 14 2024, 3:23 PM
andrew added a parent revision: D44354: sys/gdb: Support hardware breakpoints.Mar 14 2024, 3:23 PM
jhb accepted this revision.Mar 19 2024, 5:34 PM
jhb added a subscriber: jhb.

Modulo dropping support for the count argument from kdb_cpu_clr_breakpoint.

This revision is now accepted and ready to land.Mar 19 2024, 5:34 PM
andrew updated this revision to Diff 136048.Mar 21 2024, 4:22 PM

Rebase

This revision now requires review to proceed.Mar 21 2024, 4:22 PM
Harbormaster completed remote builds in B56728: Diff 136048.Mar 21 2024, 4:23 PM
zlei added a subscriber: zlei.Mar 31 2024, 4:13 PM
This revision was not accepted when it landed; it landed in state Needs Review.Apr 12 2024, 9:38 AM
Closed by commit rGf242c47ee278: arm64: Support hardware breakpoints (authored by andrew). · Explain Why
This revision was automatically updated to reflect the committed changes.
andrew added a commit: rGf242c47ee278: arm64: Support hardware breakpoints.

Revision Contents
Changeset List

PathSize
sys/
arm64/
arm64/
7 lines
99 lines
9 lines
include/
3 lines
1 line
2 lines

Diff 136927

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sys/arm64/arm64/db_trace.c

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sys/arm64/arm64/debug_monitor.c

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sys/arm64/arm64/gdb_machdep.c

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sys/arm64/include/db_machdep.h

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sys/arm64/include/debug_monitor.h

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sys/arm64/include/kdb.h

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