FSMLabs supports RTLinux/Pro on the Walnut and has for some time. There is not, as far as I know, a working GPL version for the 405.
On Mon, Feb 11, 2002 at 03:02:49PM -0800, Brian Bian wrote: > Sorry if this is a duplicated posting. I sent the same message to > [EMAIL PROTECTED], which I'm not sure if it's an alias of [EMAIL PROTECTED] Here > is the message: > > Has anyone had experiences running RTLinux on PowerPC 405GP? I need your > help. > > I was trying to get RTLinux 3.1 running on our IBM "Walnut" machine with > the 405GP processor. The Walnut was running Hardhat Linux 2.4.2. I > downloaded the source code of RTLinux 3.1, there is patch for the standard > Kernel 2.4.4 but since I couldn't apply those patches to customized kernel > 2.4.2 from MontaVista(lots of duplicates and conflicts), I just ignored the > patches and compiled RTLinux as modules(they compile anyway after minor > hack). > > When I installed the modules I got quite a few kernel seg. faults. The > first one is when RTLinux trys to overwrite Kernel at KERNELBASE with a > jump to its own handling of "Return From Interrupt". > > My questions are: first,why would I get such a seg. fault? Isn't the code > at KERNELBASE(between offset 0 and offset 0x100) useless once the machine > finishes booting? > > Second, what kind of action does RTLinux trys to intercept at KERNELBASE? > Does "ret_from_interrupt" actually gets handled at KERNELBASE offset 0? > > Your help will be greatly appreciated. > > Brian > -- [rtl] --- > To unsubscribe: > echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR > echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] > -- > For more information on Real-Time Linux see: > http://www.rtlinux.org/ -- --------------------------------------------------------- Victor Yodaiken Finite State Machine Labs: The RTLinux Company. www.fsmlabs.com www.rtlinux.com -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] -- For more information on Real-Time Linux see: http://www.rtlinux.org/
