/* * Copyright (c) 1994 The University of Utah and * the Computer Systems Laboratory at the University of Utah (CSL). * All rights reserved. * * Permission to use, copy, modify and distribute this software is hereby * granted provided that (1) source code retains these copyright, permission, * and disclaimer notices, and (2) redistributions including binaries * reproduce the notices in supporting documentation, and (3) all advertising * materials mentioning features or use of this software display the following * acknowledgement: ``This product includes software developed by the * Computer Systems Laboratory at the University of Utah.'' * * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * CSL requests users of this software to return to csl-dist@cs.utah.edu any * improvements that they make and grant CSL redistribution rights. * * Author: Bryan Ford, University of Utah CSL */ #include #include #include #include #include #ifdef APIC #include #endif /* defined in locore.S */ extern vm_offset_t int_entry_table[]; static void int_fill(struct real_gate *myidt) { int i; #ifndef APIC int base = PIC_INT_BASE; int nirq = 16; #else int base = IOAPIC_INT_BASE; int nirq = NINTR; #endif for (i = 0; i < nirq; i++) { fill_idt_gate(myidt, base + i, int_entry_table[i], KERNEL_CS, ACC_PL_K|ACC_INTR_GATE, 0); } #if NCPUS > 1 fill_idt_gate(myidt, CALL_AST_CHECK, int_entry_table[i], KERNEL_CS, ACC_PL_K|ACC_INTR_GATE, 0); i++; fill_idt_gate(myidt, CALL_PMAP_UPDATE, int_entry_table[i], KERNEL_CS, ACC_PL_K|ACC_INTR_GATE, 0); i++; #endif #ifdef APIC fill_idt_gate(myidt, IOAPIC_SPURIOUS_BASE, int_entry_table[i], KERNEL_CS, ACC_PL_K|ACC_INTR_GATE, 0); i++; #endif } void int_init(void) { int_fill(idt); } #if NCPUS > 1 void ap_int_init(int cpu) { int_fill(mp_desc_table[cpu]->idt); } #endif