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     * to its own TSS. We just need to load the TR register.
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     * to its own TSS. We just need to load the TR register.
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     */
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     */
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    tr_load(gdtselector(TSS_DES));
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    tr_load(gdtselector(TSS_DES));
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}
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}
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/* Reboot the machine by initiating
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 * a triple fault
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 */
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void arch_reboot(void)
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{
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    preemption_disable();
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    ipl_t ipl = interrupts_disable();
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    memsetb(idt, sizeof(idt), 0);
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    idtr_load(&idtr);
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    interrupts_restore(ipl);
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    asm volatile (
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        "int $0x03\n"
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        "cli\n"
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        "hlt\n"
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    );
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}
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/** @}
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/** @}
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 */
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 */