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Adjust written value for SDIDMAX to match mttp register diagrams #52

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Jul 2, 2024
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Adjust written value for SDIDMAX to match mttp register diagrams #52

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2 changes: 1 addition & 1 deletion chapter3.adoc
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Expand Up @@ -122,7 +122,7 @@ every bit position in the `SDID` field, then reading back the value in `mttp`
to see which bit positions in the `SDID` field hold a one. The
least-significant bits of `SDID` are implemented first: that is, if `SDIDLEN` >
0, `SDID`[`SDIDLEN`-1:0] is writable. The maximal value of `SDIDLEN`, termed
`SDIDMAX`, is 8 for `Smmtt34[rw]` or 16 for `Smmtt46[rw]`, `Smmtt56[rw]`.
`SDIDMAX`, is 6 for `Smmtt34[rw]`, `Smmtt46[rw]`, and `Smmtt56[rw]`.

The `mttp` register is considered active for the purposes of the physical
address protection algorithm unless the effective privilege mode is `M`.
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