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Sdtrig: Clarify that tinfo.version is a global constant, not per-trigger #1081

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Sdtrig: Clarify that tinfo.version is a global constant, not per-trigger #1081

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13 changes: 10 additions & 3 deletions xml/hwbp_registers.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,13 @@ same project unless stated otherwise.
<field name="0" bits="XLEN-1:32" access="R" reset="0" />
<field name="version" bits="31:24" access="R" reset="Preset">
Contains the version of the Sdtrig extension implemented.

[NOTE]
====
This field refers to the version of the whole Sdtrig extension.
For that reason, all triggers contain the same version number.
====

<value v="0" name="0">
Supports triggers as described in this spec at commit 5a5c078,
made on February 2, 2023.
Expand All @@ -195,9 +202,9 @@ same project unless stated otherwise.
</field>
<field name="0" bits="23:16" access="R" reset="0" />
<field name="info" bits="15:0" access="R" reset="Preset">
One bit for each possible {tdata1-type} enumerated in {csr-tdata1}. Bit N
corresponds to type N. If the bit is set, then that type is
supported by the currently selected trigger.
One bit for each possible {tdata1-type} enumerated in {csr-tdata1}.
Bit N corresponds to type N. If the bit is set, then that type is
supported by the currently selected trigger (by {csr-tselect}).

If the currently selected trigger doesn't exist, this field
contains 1.
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