<p dir="ltr">I like this idea.</p>
<p dir="ltr">I know on Cortex-M0, the software interrupt (svc / swi), was hosed , and I felt it was a bit of a mistake for Cortex-M0 to silently ignore. The only suggestion I have for J1 is to not make that same mistake.</p>
<p dir="ltr">From musl gitweb it appears that "trapa #imm" is valid for SH*, so I assume that an analog to the above is not the case.</p>
<p dir="ltr">Would we keep the atomic CAS.L? Atomic instructions are nice to have.. for a lot of reasons!</p>
<p dir="ltr">C<br>
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