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    SubjectRe: [PATCH] x86,setup: add serial_console_port_base in boot_params
    On 07/31/2010 11:32 AM, Cyrill Gorcunov wrote:
    >> No, this is the internal part of the boot protocol, so it's not an issue.
    > Peter, I didn't mean any issue here, I meant that bootloaders don't know about
    > this field yet and they will have to update own sources to pass port value
    > at proper place of boot params. Or I miss something?

    Boot loaders that use the 16-bit entry point are unaffected.

    Boot loaders which use the 32-bit entry point but properly clears the
    zero page simply will not have the feature.

    Boot loaders which use the 32-bit entry point but doesn't clear the zero
    page are broken.


    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.

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