On Fri Nov 02, 2001 at 11:39:11AM -0500, Jerry Van Baren wrote: > FYI: Tornado 2/vxWorks 5.4 (traditional) runs everything in supervisor > mode. vxWorks-AE (Advanced Edition) runs supervisor and user. AE is the > New Improved vxWorks... while they talk about continuing to support vxWorks > 5.4, they are depreciating it and it may become a stripped down version of > AE. > > All in one mode (supervisor) gives you NO protection between tasks, no > hardware protection, you are free to clobber everything and anything. It > is less hassle to program and typically runs faster (how much? depends), > but much more hassle to debug crashes, less robust, etc.
Of course, if that is what really want, they can use uClinux and get an OS with no protection running all-in-supervisor-mode, -Erik -- Erik B. Andersen http://codepoet-consulting.com/ --This message was written using 73% post-consumer electrons-- -- To unsubscribe from this list, send a message to [EMAIL PROTECTED] with the command "unsubscribe linux-embedded" in the message body. For more information, see <http://waste.org/mail/linux-embedded>.
