Re: Reserving a (large) memory block

From: Timur Tabi (ttabi@interactivesi.com)
Date: Thu Aug 31 2000 - 12:32:21 EDT

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    ** Reply to message from coder@kanga.nu on Thu, 31 Aug 2000 08:57:20 -0700

    > Now the device behaves just like memory to the BIOS during POST
    > etc, and is in fact, exactly memory if no device drivers are loaded.
    > If a device driver is loaded and it detects one or more of these
    > devices then they and their memory ranges become obviously special.
    > Now, we can detect the devices and where their address ranges are
    > via the SMBUS and some careful probing so we know what we are trying
    > to grab. The problem is just telling the rest of the kernel that in
    > a clean VM&heap-happy manner.

    How do you know what SMBUS address to use? Probing the SMBUS looking for
    devices has a tendency to lock the SMBUS and require a complete power down to
    restore. 

    -- 
Timur Tabi - ttabi@interactivesi.com
Interactive Silicon - http://www.interactivesi.com

    When replying to a mailing-list message, please don't cc: me, because then I'll just get two copies of the same message.
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