Add some macros to document more code.
-rwxr-xr-x 48451 Doxyfile
-rwxr-xr-x 48401 Doxyfile_c
-rwxr-xr-x 48399 Doxyfile_cxx
-rwxr-xr-x 17992 LICENSE.GPL
-rwxr-xr-x 2683 README
-rwxr-xr-x 872 arch_config.h
-rwxr-xr-x 14689 compiler.h
-rwxr-xr-x 1990 config_kern.h
-rwxr-xr-x 3755 config_template.h
-rwxr-xr-x 10080 cpu.h
-rwxr-xr-x 2518 cpu_detect.h
-rwxr-xr-x 9774 debug.h
drwxr-xr-x - doc
drwxr-xr-x - drv
drwxr-xr-x - kern
-rwxr-xr-x 7767 macros.h
drwxr-xr-x - mware
drwxr-xr-x - os
-rwxr-xr-x 620 verstag.c
-rwxr-xr-x 2161 verstag.h