3 commits

Author	SHA1	Message	Date
Yifan Wu	15ea8d934a	Wrap syscalls in user_lib && change xstate to exit_code	2021-01-06 00:09:52 +08:00
Yifan Wu	45fb4113d1	Update sys_time unit to ms && Update clock freq of K210.	2020-12-29 21:49:51 +08:00
Yifan Wu	1cef77eac7	Chapter3: power2/3/5 & sleep test worked on k210/qemu based on timer.	2020-11-29 10:31:15 +08:00