x86/kernel/idt.c

1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <asm/ia32.h>
53 	G(_vector, NULL, DEFAULT_STACK, GATE_TASK, DPL0, _gdt << 3)
69 	 * Not possible on 64-bit. See idt_setup_early_pf() for details.
169 /* Must be page-aligned because the real IDT is used in the cpu entry area */
173 	.size		= IDT_TABLE_SIZE - 1,
186 	return ((address - idt_descr.address) >> 3) == 6;  in idt_is_f00f_address()
195 	for (; size > 0; t++, size--) {  in idt_setup_from_table()
197 		write_idt_entry(idt, t->vector, &desc);  in idt_setup_from_table()
199 			set_bit(t->vector, system_vectors);  in idt_setup_from_table()
213  * idt_setup_early_traps - Initialize the idt table with early traps
227  * idt_setup_traps - Initialize the idt table with default traps
247  * idt_setup_early_pf - Initialize the idt table with early pagefault handler
268 	 * Set the IDT descriptor to a fixed read-only location in the cpu  in idt_map_in_cea()
279  * idt_setup_apic_and_irq_gates - Setup APIC/SMP and normal interrupt gates
289 		entry = irq_entries_start + IDT_ALIGN * (i - FIRST_EXTERNAL_VECTOR);  in idt_setup_apic_and_irq_gates()
300 		entry = spurious_entries_start + IDT_ALIGN * (i - FIRST_SYSTEM_VECTOR);  in idt_setup_apic_and_irq_gates()
315  * idt_setup_early_handler - Initializes the idt table with early handlers
331  * idt_invalidate - Invalidate interrupt descriptor table