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Specification
- Latest Draft Fast Interrupt Specification (v0.9-draft-20211109)
- 11/09/2021 issue #48 - indicate when edge-triggered interrupts are cleared
- 11/09/2021 issue #179 - set interrupt bit during nxti access
20221108) What's next:
- 24 outstanding issues.
- 12 active spec issues.
- big items: hypervisor, cliccfg reformat proposal
- 6 issues to track Definition of Done tasks
- 6 issues kept open for future enhancements (post rev1.0)
23 outstanding issues to be addressed.
Encoding/OpCode consistency review
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- Regular C function that save/restores all caller-save registers
- Inline handler gcc interrupt attribute to always callee-save every register (save as you go)EABI Task Group - improve interrupt latency by reducing the number of caller-save registers
- psABI Task Group - https://github.com/riscv-non-isa/riscv-elf-psabi-doc
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