work with one task only calls exit

include/context-switch.h

include/k1.h

include/kernel.h

include/priority-q.h

include/scheduler.h

include/syscall-handler.h

include/syscall.h

include/task-descriptor.h

include/td.h

include/test.h

include/types.h

lib/Makefile

lib/bwio.c

lib/context-switch.s

lib/k1.c

lib/kernel.c

lib/libbwio.q

lib/priority-q.c

lib/scheduler.c

lib/syscall-handler.c