RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ copilot/refactor-hwtimer-ktime-cputime

kurisaw e2aed47b6c [format][version]: synchronize bsp version configuration		2 mesiacov pred
..
applications	9bc68d26a4 format Kconfig and sconscript	3 rokov pred
drivers	3782127116 [bsp] format drivers code	1 rok pred
.config	e2aed47b6c [format][version]: synchronize bsp version configuration	2 mesiacov pred
Kconfig	fe3c4d456e bsp中option env语句替换为新语句，并同步更新了source "$xxx"语句	1 rok pred
README.md	4584054e17 [bsp] Add mipssim bsp	6 rokov pred
SConscript	4584054e17 [bsp] Add mipssim bsp	6 rokov pred
SConstruct	9bc68d26a4 format Kconfig and sconscript	3 rokov pred
mipssim_ram.lds	592284c66c format link scripts	3 rokov pred
rtconfig.h	e2aed47b6c [format][version]: synchronize bsp version configuration	2 mesiacov pred
rtconfig.py	4584054e17 [bsp] Add mipssim bsp	6 rokov pred

MIPSSIM 板级支持包

1. 简介

本BSP用于在MIPSSIM或QEMU的MIPSSIM Machine模拟器中运行RT-Thread。使用mips-sde-elf工具链编译。在QEMU中使用如下命令运行：

qemu-system-mipsel -M mipssim -cpu P5600 -nographic -kernel ./rtthread.elf

MIPSSIM拥有一个8250串口和一个MIPSNET网卡外设，本BSP目前仅实现了串口。