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Hello. I have an IXP425 dev. board with 64M RAM and 16M Flash. Redboot doing: 1. zImage load to 0x1600000 2. ramdisk.gz - 0x0800000 3. go 0x1600000 My ramdisk size ...
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  1. #1
    Just Joined!
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    May 2007
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    ramdisk.gz and ramdisk address allocation in RAM


    Hello.
    I have an IXP425 dev. board with 64M RAM and 16M Flash.
    Redboot doing:
    1. zImage load to 0x1600000
    2. ramdisk.gz - 0x0800000
    3. go 0x1600000

    My ramdisk size = 8192. And all works ok.
    But i need to increase ramdisk to 16M (or to 12M).
    But there is a problem: 0x1600000 - 0x0800000 = 0x0E00000 (14M).
    ramdisk.gz ~ 2M,
    what can be maximum size of uncompressed ramdisk?
    I think, than in my situatition the sum of ramdisk and ramdisk.gz can't be > 14M?

    Where will be uncompressed ramdisk allocated?
    Can i change it position?

    Thanks.

  2. #2
    Just Joined!
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    Dec 2007
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    29

    ramdisk question

    HI,,
    could u plz tell me what is "ramdisk.gz" and "zImage"?
    i have a similar board and i have just working with these stuff.
    thanks

  3. #3
    Just Joined!
    Join Date
    May 2007
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    20
    Quote Originally Posted by raedbenz View Post
    HI,,
    could u plz tell me what is "ramdisk.gz" and "zImage"?
    i have a similar board and i have just working with these stuff.
    thanks
    zImage - it's a Linux system with kernel and other.
    ramdisk.gz - it's tour ram filesystem.

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