https://www.sifive.cn/boards/hifive-premier-p550
HiFive™ Premier P550 - RISC-V CPU 开发板 - SiFive
HiFive™ Premier P550 采用 Mini-DTX 板型，提供高性能的 Linux 开发平台，推动新一代 RISC-V 开发浪潮。
risc v cpupremiersifive
https://antmicro.com/blog/2024/09/user-mode-in-veer-el2-core-for-caliptra-2-0/
Antmicro · Extending the VeeR EL2 RISC-V CPU core with User mode for Caliptra 2.0
risc v cpuantmicroextending
https://liliputing.com/milk-v-computers-feature-up-to-64-risc-v-cpu-cores/
Milk-V computers feature up to 64 RISC-V CPU cores - Liliputing
May 23, 2023 - Milk-V computers feature up to 64 RISC-V CPU cores
milk vcomputersfeaturerisccpu