2007/12/5, Rene Herman <rene.herman@xxxxxxxxxxxx>:
> On 05-12-07 22:23, Justin Ferguson wrote:
>
> I suppose there was some text to go here, but anyways:
>
> >>> void
> >>> unsetTF(void)
> >>> {
> >>> __asm__ __volatile__(
> >>> "pushf \n"
> >>> "mov $0x100, %eax \n"
> >>> "not %eax \n"
> >>> "andl (%esp), %eax \n"
> >>> "popf \n"
> >>> );
> >>> }
> >>>
> >>> void
> >>> setTF(void)
> >>> {
> >>> __asm__ __volatile__(
> >>> "pushf \n"
> >>> "orl $0x100, (%esp) \n"
> >>> "popf "
> >>> );
> >>>
> >>> return;
> >>> }
>
> ... in the context of the list, note that ~ denotes a bitwise not same in
> gas as in C. That is, unsetTF could use the setTF template and be:
>
> pushf
> andl $~0x100, (%esp)
> popf
>
> Rene.
>
>
yes, i understand my fault, now works, but why TF is reseted to 0 when
the trap is "executed" ?
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