lqb/rt-thread: RT-Thread诞生于2006年，是一款以开源、中立、社区化发展起来的物联网操作系统。RT-Thread主要采用 C 语言编写，浅显易懂，且具有方便移植的特性（可快速移植到多种主流 MCU 及模组芯片上）。RT-Thread把面向对象的设计方法应用到实时系统设计中，使得代码风格优雅、架构清晰、系统模块化并且可裁剪性非常好。RT-Thread有完整版和Nano版，对于资源受限的微控制器（MCU）系统，可通过简单? @ v4.1.1

rewine 53ed031498 [bsp/qemu-virt64-riscv]: dont use sbi in m-mode		3 anni fa
..
asm	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
Kconfig	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
SConscript	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
board.c	53ed031498 [bsp/qemu-virt64-riscv]: dont use sbi in m-mode	3 anni fa
board.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
drv_uart.c	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
drv_uart.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
encoding.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
io.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
plic.c	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
plic.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
sbi.c	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa
sbi.h	9ebe0f3b47 [bsp] rename qemu-riscv-virt64 to qemu-virt64-riscv	3 anni fa