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delete user-mode interrupt notes in mtvec register section #1159

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Nov 9, 2023
Merged

delete user-mode interrupt notes in mtvec register section #1159

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8 changes: 0 additions & 8 deletions src/machine.adoc
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Expand Up @@ -1102,14 +1102,6 @@ times the interrupt cause number. For example, a machine-mode timer
interrupt (see <<mcauses>>) causes the `pc`
to be set to BASE+`0x1c`.

[NOTE]
====
When vectored interrupts are enabled, interrupt cause 0, which
corresponds to user-mode software interrupts, are vectored to the same
location as synchronous exceptions. This ambiguity does not arise in
practice, since user-mode software interrupts are either disabled or
delegated to user mode.
====

An implementation may have different alignment constraints for different
modes. In particular, MODE=Vectored may have stricter alignment
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