guo ecf2d82159 sync branch rt-smart. (#6641) ... * Synchronize the code of the rt mart branch to the master branch. * TTY device * Add lwP code from rt-smart * Add vnode in DFS, but DFS will be re-write for rt-smart * There are three libcpu for rt-smart: * arm/cortex-a, arm/aarch64 * riscv64 Co-authored-by: Rbb666 <zhangbingru@rt-thread.com> Co-authored-by: zhkag <zhkag@foxmail.com>		2022-12-03 12:07:44 +08:00
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common	sync branch rt-smart. (#6641)	2022-12-03 12:07:44 +08:00
cortex-a	[libcpu/aarch64] add gicv3 support and bsp/rockchip/rk3568 (#5722)	2022-03-29 11:08:25 +08:00
SConscript	add raspi4 bsp	2020-04-16 16:44:14 +08:00