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    SubjectRe: asm (lidt) question
    On Tue, 22 Jul 2003, Davide Libenzi wrote:

    > On Tue, 22 Jul 2003, Jamie Lokier wrote:
    >
    > > Davide Libenzi wrote:
    > > > IMHO, since "var" is really an output parameter.
    > >
    > > "var" is read, not written.
    > > I think you are confusing "lidt" with "sidt".
    >
    > Actually I don't even know what I was confusing, since L and S are not
    > there for nothing ;) And yes, the form with =m as input parameter should
    > be corrected, even if it generates the same code.
    >
    >
    >
    > - Davide

    LIDT is "load interrupt descriptor table". SIDT is "store interrupt
    descriptor table". Only SIDT modifies memory. LIDT reads from memory
    and puts the result into a special CPU register, therefore doesn't
    modify memory.

    Cheers,
    Dick Johnson
    Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
    Note 96.31% of all statistics are fiction.

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