osfmk/i386/mp_desc.c

416 cpu_desc_init(cpu_data_t *cdp)
418 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
420 	if (cdp == &cpu_data_master) {
465 		cpu_desc_table_t	*cdt = (cpu_desc_table_t *) cdp->cpu_desc_tablep;
470 					cdp->cpu_number,
495 					cdp->cpu_number,
497 					(vm_offset_t) cdp->cpu_ldtp,
505 		bcopy((char *)master_ldt, (char *)cdp->cpu_ldtp, sizeof(master_ldt));
524 		cdt->gdt[sel_idx(CPU_DATA_GS)].offset = (vm_offset_t) cdp;
530 		cpu_userwindow_init(cdp->cpu_number);
531 		cpu_physwindow_init(cdp->cpu_number);
538 cpu_desc_init64(cpu_data_t *cdp)
540 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
542 	if (cdp == &cpu_data_master) {
584 		cpu_desc_table64_t	*cdt = (cpu_desc_table64_t *) cdp->cpu_desc_tablep;
598 		cdi->cdi_ldt  = cdp->cpu_ldtp;
607 		bcopy((char *)master_ldt, (char *)cdp->cpu_ldtp, sizeof(master_ldt));
634 		cdt->gdt[sel_idx(CPU_DATA_GS)].offset = (vm_offset_t) cdp;
638 		cpu_userwindow_init(cdp->cpu_number);
639 		cpu_physwindow_init(cdp->cpu_number);
650 cpu_desc_load(cpu_data_t *cdp)
652 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
654 	cdi->cdi_idt.size = 0x1000 + cdp->cpu_number;
668 cpu_desc_load64(cpu_data_t *cdp)
670 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
686 	idtptr64.length = 0x1000 + cdp->cpu_number;
697 	cdi->cdi_idt.size = 0x1000 + cdp->cpu_number;
704 	wrmsr64(MSR_IA32_GS_BASE, (uintptr_t) cdp);
705 	wrmsr64(MSR_IA32_KERNEL_GS_BASE, (uintptr_t) cdp);
718 fast_syscall_init(__unused cpu_data_t *cdp)
730 fast_syscall_init64(__unused cpu_data_t *cdp)
760 	wrmsr64(MSR_IA32_KERNEL_GS_BASE, UBER64(cdp));
774 	cpu_data_t	*cdp;
778 		cdp = cpu_datap(0);
779 		if (cdp->cpu_processor == NULL) {
781 			cdp->cpu_processor = cpu_processor_alloc(TRUE);
783 			cdp->cpu_pmap = pmap_cpu_alloc(TRUE);
786 		return cdp;
792 	ret = kmem_alloc(kernel_map, (vm_offset_t *) &cdp, sizeof(cpu_data_t));
797 	bzero((void*) cdp, sizeof(cpu_data_t));
798 	cdp->cpu_this = cdp;
801 	cdp->cpu_is64bit = cpu_mode_is64bit();
807 			 (vm_offset_t *) &cdp->cpu_int_stack_top,
813 	bzero((void*) cdp->cpu_int_stack_top, INTSTACK_SIZE);
814 	cdp->cpu_int_stack_top += INTSTACK_SIZE;
822 			 (vm_offset_t *) &cdp->cpu_desc_tablep,
823 			 cdp->cpu_is64bit ? sizeof(cpu_desc_table64_t)
834 			 (vm_offset_t *) &cdp->cpu_ldtp,
843 	mca_cpu_alloc(cdp);
848 	cpu_data_ptr[real_ncpus] = cdp;
849 	cdp->cpu_number = real_ncpus;
853 	cdp->cpu_nanotime = &pal_rtc_nanotime_info;
858 		cdp->cpu_number, cdp, cdp->cpu_desc_tablep, cdp->cpu_ldtp,
859 		(long)(cdp->cpu_int_stack_top - INTSTACK_SIZE), (long)(cdp->cpu_int_stack_top));
861 	return cdp;
864 	if (cdp) {
865 		if (cdp->cpu_desc_tablep)
866 			kfree((void *) cdp->cpu_desc_tablep,
867 				sizeof(*cdp->cpu_desc_tablep));
868 		if (cdp->cpu_int_stack_top)
869 			kfree((void *) (cdp->cpu_int_stack_top - INTSTACK_SIZE),
871 		kfree((void *) cdp, sizeof(*cdp));
957 	cpu_data_t		*cdp = cpu_data_ptr[cpu];
1001 	cdp->cpu_copywindow_base = user_window;
1006 	cdp->cpu_copywindow_pdp  = pmap_pde(kernel_pmap, user_window);
1009 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
1020 	cpu_data_t		*cdp = cpu_data_ptr[cpu];
1021         vm_offset_t 		phys_window = cdp->cpu_physwindow_base;
1037 		cdp->cpu_physwindow_base = phys_window;
1038 		cdp->cpu_physwindow_ptep = vtopte(phys_window);
1041 	cpu_desc_index_t	*cdi = &cdp->cpu_desc_index;
1054 cpu_mode_init(cpu_data_t *cdp)
1057 	if (cdp->cpu_is64bit) {
1058 		cpu_IA32e_enable(cdp);
1059 		cpu_desc_load64(cdp);
1060 		fast_syscall_init64(cdp);
1062 		fast_syscall_init(cdp);
1065 	fast_syscall_init64(cdp);
1080 	cpu_data_t	*cdp;
1090 	ret = kmem_alloc(kernel_map, (vm_offset_t *) &cdp, sizeof(cpu_data_t));
1096 	bcopy((void *) &cpu_data_master, (void*) cdp, sizeof(cpu_data_t));
1097 	cdp->cpu_this = cdp;
1098 	cdp->cpu_int_stack_top = stack;
1099 	timer_call_initialize_queue(&cdp->rtclock_timer.queue);
1102 		(void *) cdp, (void *) stack);
1108 	cpu_data_ptr[0] = cdp;
1109 	wrmsr64(MSR_IA32_GS_BASE, (uintptr_t) cdp);
1110 	wrmsr64(MSR_IA32_KERNEL_GS_BASE, (uintptr_t) cdp);