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DM should ignore some bits while abstract command is executing #1046

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merged 5 commits into from
Jul 23, 2024
Merged

DM should ignore some bits while abstract command is executing #1046

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ca36be7
DM may ignore things when dmactive is changing.
rtwfroody Jun 13, 2024
7acbfa2
Hardware can ignore some bits during abstract command
rtwfroody Jul 11, 2024
2637350
Make language more clear
rtwfroody Jul 12, 2024
d84c6a8
should -> must
rtwfroody Jul 15, 2024
02a164f
Remove special behavior when dmactive is written low.
rtwfroody Jul 19, 2024
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Make language more clear 
Co-authored-by: Paul Donahue <48959409+pdonahue-ventana@users.noreply.github.com>
Signed-off-by: Tim Newsome <tim@casualhacker.net>
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@rtwfroody @pdonahue-ventana
rtwfroody and pdonahue-ventana authored Jul 12, 2024
commit 26373508230d3c9aa0317517828a2033d11f49f0
2 changes: 1 addition & 1 deletion debug_module.adoc
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Expand Up @@ -372,7 +372,7 @@ While an abstract command is executing ({abstractcs-busy} in {dm-abstractcs} is
The exception to this rule is when the debugger writes 0 to
{dmcontrol-dmactive}. In that case {hartsel} may be written with a new value
(which the hardware should ignore).
The hardware should not rely on this debugger behavior, but enforce it by
The hardware should not rely on this debugger behavior, but should enforce it by
ignoring writes to these bits while {abstractcs-busy} is high.

If an abstract command does not complete in the expected time and
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