fritzprix/tachyos — pull request #16 by fritzprix (2014-08-15 05:27:37+00:00)
Title: 1. Fix Thread Stack initialization

originally, system call result is passed to thread using part of
saved context of the thread, but it made error if function is called
just after blocking system call by modifying register.
this patch also includes fix for thread control block structure, which is reated to return result of system blocking call
to thread