Messages in this thread | | | Date | Fri, 16 Aug 2002 22:21:28 +0100 (BST) | From | Ruth Ivimey-Cook <> | Subject | Re: Problem with random.c and PPC |
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On Fri, 16 Aug 2002, henrique wrote:
>What would you do in my situation. I am dealing with the Motorola MPC860T and >my system has no disk (I use a flash), no mouse, no keyboard, no PCI bus. It >has just a fast-ethernet, a console port and some serial ports. > >After reading the discussion on the lkml I realize that the only places I can >get randomness in my system is in the serial.c (that controls the serial >ports) and arch/ppc/8xx_io/fec.c (fast eth driver) interrupts.
Is there another way -- add a 'noise' device by connecting a PIO pin or similar to suitable hardware? It shouldn't bee too hard to do as a one-off. For example:
[noise-diode]--[amplifier]--[schmidt-trigger-inverter]---[PIO INT pin]
Ruth
-- Ruth Ivimey-Cook Software engineer and technical writer.
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