irq_vectors.h

来自「xen虚拟机源代码安装包」· C头文件 代码 · 共 38 行

#ifndef _ASM_IRQ_VECTORS_H
#define _ASM_IRQ_VECTORS_H

/* Processor-initiated interrupts are all high priority. */
#define SPURIOUS_APIC_VECTOR	0xff
#define ERROR_APIC_VECTOR	0xfe
#define INVALIDATE_TLB_VECTOR	0xfd
#define EVENT_CHECK_VECTOR	0xfc
#define CALL_FUNCTION_VECTOR	0xfb
#define THERMAL_APIC_VECTOR	0xfa
#define LOCAL_TIMER_VECTOR	0xf9
#define PMU_APIC_VECTOR 	0xf8

/*
 * High-priority dynamically-allocated vectors. For interrupts that
 * must be higher priority than any guest-bound interrupt.
 */
#define FIRST_HIPRIORITY_VECTOR	0xf0
#define LAST_HIPRIORITY_VECTOR  0xf7

/* Legacy PIC uses vectors 0xe0-0xef. */
#define FIRST_LEGACY_VECTOR	0xe0
#define LAST_LEGACY_VECTOR      0xef

#define HYPERCALL_VECTOR	0x82

/* Dynamically-allocated vectors available to any driver. */
#define FIRST_DYNAMIC_VECTOR	0x20
#define LAST_DYNAMIC_VECTOR	0xdf

#define NR_VECTORS 256

/* Limited by number of trap vectors. */
#define NR_IRQS        NR_VECTORS
#define NR_IRQ_VECTORS NR_IRQS

#endif /* _ASM_IRQ_VECTORS_H */