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Diffstat (limited to 'include/asm-x86/irq_64.h')
-rw-r--r--include/asm-x86/irq_64.h29
1 files changed, 1 insertions, 28 deletions
diff --git a/include/asm-x86/irq_64.h b/include/asm-x86/irq_64.h
index 7608176590b6..3037ec667bfb 100644
--- a/include/asm-x86/irq_64.h
+++ b/include/asm-x86/irq_64.h
@@ -11,34 +11,7 @@
11 */ 11 */
12 12
13#include <asm/apicdef.h> 13#include <asm/apicdef.h>
14 14#include <asm/irq_vectors.h>
15#define TIMER_IRQ 0
16
17/*
18 * 16 8259A IRQ's, 208 potential APIC interrupt sources.
19 * Right now the APIC is mostly only used for SMP.
20 * 256 vectors is an architectural limit. (we can have
21 * more than 256 devices theoretically, but they will
22 * have to use shared interrupts)
23 * Since vectors 0x00-0x1f are used/reserved for the CPU,
24 * the usable vector space is 0x20-0xff (224 vectors)
25 */
26
27/*
28 * The maximum number of vectors supported by x86_64 processors
29 * is limited to 256. For processors other than x86_64, NR_VECTORS
30 * should be changed accordingly.
31 */
32#define NR_VECTORS 256
33
34#define FIRST_SYSTEM_VECTOR 0xef /* duplicated in hw_irq.h */
35
36#if NR_CPUS < MAX_IO_APICS
37#define NR_IRQS (NR_VECTORS + (32 * NR_CPUS))
38#else
39#define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
40#endif
41#define NR_IRQ_VECTORS NR_IRQS
42 15
43static inline int irq_canonicalize(int irq) 16static inline int irq_canonicalize(int irq)
44{ 17{