From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200003281140.NAA05466@denx.local.net> To: christof cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: kernel executing from flash From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Tue, 28 Mar 2000 12:30:06 +0200." <38E089AD.F415DCB7@freenet.de> Date: Tue, 28 Mar 2000 13:40:14 +0200 Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: In message <38E089AD.F415DCB7@freenet.de> you wrote: > > My primary aim is not to gain speed or to save money, although this is > important for my application too. > By fetching opcodes from flash I expect more stability in temperature- and > emc-critical environement, for data in "ROM" is saver than in RAM. Of corse, > there is always run-time critical data in RAM (processor stack), but the > probability of "irrepairable" errors should decrease by runnig from flash. A crash is a crash is a crash... If you have memory errors, your system is bound to crash sooner or later, no matter if it hits the program code, or the stack, or data. What's the difference between a crash because of a bad opcode or one because of a division by zero because of faulty data? Black magic... Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de Work 8 hours, sleep 8 hours; but not the same 8 hours. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/