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         * Prepare new GDT for CPU in question.
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         * Prepare new GDT for CPU in question.
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         */
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         */
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        if (!(gdt_new = (struct descriptor *) malloc(GDT_ITEMS*sizeof(struct descriptor))))
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        if (!(gdt_new = (struct descriptor *) malloc(GDT_ITEMS*sizeof(struct descriptor))))
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            panic("couldn't allocate memory for GDT\n");
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            panic("couldn't allocate memory for GDT\n");
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        memcopy(gdt_new, gdt, GDT_ITEMS*sizeof(struct descriptor));           // swaped
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        memcpy(gdt_new, gdt, GDT_ITEMS*sizeof(struct descriptor));
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        memsetb((__address)(&gdt_new[TSS_DES]), sizeof(struct descriptor), 0);
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        memsetb((__address)(&gdt_new[TSS_DES]), sizeof(struct descriptor), 0);
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        gdtr.base = KA2PA((__address) gdt_new);
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        gdtr.base = KA2PA((__address) gdt_new);
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        if (l_apic_send_init_ipi(ops->cpu_apic_id(i))) {
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        if (l_apic_send_init_ipi(ops->cpu_apic_id(i))) {
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            /*
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            /*