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Clarify rs2 values for scmode #382

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merged 2 commits into from
Sep 27, 2024
Merged

Clarify rs2 values for scmode #382

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Clarify rs2 values for scmode
andresag01 Sep 26, 2024
b3b80ec
Update src/insns/scmode_32bit.adoc
andresag01 Sep 26, 2024
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8 changes: 5 additions & 3 deletions src/insns/scmode_32bit.adoc
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Expand Up @@ -20,9 +20,11 @@ Encoding::
include::wavedrom/scmode.adoc[]

Description::
Copy `cs1` to `cd`. Clear `cd.tag` if `cs1` is sealed.
Update the <<m_bit>> of `cd` to the least significant bit of
`rs2` if the two following conditions are met, otherwise do not update it:
Copy `cs1` to `cd`. Clear `cd.tag` if `cs1` is sealed. Update the <<m_bit>> of
`cd` to {cheri_cap_mode_name} if the least significant bit of `rs2` is
{CAP_MODE_VALUE} and to {cheri_cap_mode_name} if the bit is {INT_MODE_VALUE}
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provided that the following conditions are met, otherwise do not update the
<<m_bit>>:
. <<x_perm>> is set
. The existing permissions can be produced by <<ACPERM>>

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