lkml.org 
[lkml]   [2002]   [Aug]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Problem with random.c and PPC
    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.

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:22    [W:0.028 / U:1.120 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site