# RISC-V, 2022년의 첫번째 새로운 사양 발표

> Clean Markdown view of GeekNews topic #6818. Use the original source for factual precision when an external source URL is present.

## Metadata

- GeekNews HTML: [https://news.hada.io/topic?id=6818](https://news.hada.io/topic?id=6818)
- GeekNews Markdown: [https://news.hada.io/topic/6818.md](https://news.hada.io/topic/6818.md)
- Type: news
- Author: [xguru](https://news.hada.io/@xguru)
- Published: 2022-06-23T09:52:20+09:00
- Updated: 2022-06-23T09:52:20+09:00
- Original source: [riscv.org](https://riscv.org/announcements/2022/06/risc-v-announces-first-new-specifications-of-2022-adding-to-16-ratified-in-2021-risc-v-international/)
- Points: 4
- Comments: 0

## Topic Body

- Efficient Trace (E-Trace) : 디버깅 용도로 Branch Trace를 사용하는 고성능 프로세서 트레이싱   
- Supervisor Binary Interface (SBI) : 애플리케이션 바이너리 인터페이스를 이용하여 하드웨어와 OS커널 간에 펌웨어 레이어를 설계  
- Unified Extensible Firmware Interface (UEFI) 스펙을 RISC-V 플랫폼에 구현  
- Zmmul multiply-only extension : division 없이 multiplication 만 넣어서 저비용으로 구현 가능

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