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    SubjectRe: APIC version and 8-bit APIC IDs
    Maciej W. Rozycki wrote:

    > You are unfortunately mistaken -- the spec is explicit about *local* APIC
    > IDs having to start at 0. There are at least two places in the spec that
    > refer to that.

    I see. Thanks for the clarification.

    > You can always assign 0, 16, 17, etc. to local APICs and then 1, 2, 3,
    > etc. for I/O APICs.

    Actually, that's what we did (I messed thinks up in my posting). I think
    that's an ugly configuration, though, and totally misleading in terms of
    system topology.

    > Frankly I don't know what the actual justification
    > behind the requirement is. Note that the ID of 0 need not necessarily
    > belong to the BSP.

    Starting both local APICs and IO-APICs at 0 isa working and
    aesthetically pleasing solution. We're pursuing that now.

    Thanks again, Martin

    Martin Wilck Phone: +49 5251 8 15113
    Fujitsu Siemens Computers Fax: +49 5251 8 20409
    Heinz-Nixdorf-Ring 1
    D-33106 Paderborn
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      Last update: 2005-08-29 09:28    [W:0.040 / U:27.468 seconds]
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