threads_SRC += threads/interrupt.c # Interrupt core.
threads_SRC += threads/intr-stubs.S # Interrupt stubs.
threads_SRC += threads/synch.c # Synchronization.
-threads_SRC += threads/paging.c # Page tables.
threads_SRC += threads/palloc.c # Page allocator.
threads_SRC += threads/malloc.c # Subpage allocator.
threads_SRC += threads/start.S # Startup code.
# User process code.
userprog_SRC = userprog/addrspace.c # Address spaces.
+userprog_SRC += userprog/pagedir.c # Page directories.
userprog_SRC += userprog/exception.c # User exception handler.
userprog_SRC += userprog/syscall.c # System call handler.
userprog_SRC += userprog/gdt.c # GDT initialization.