diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:20:03 -0400 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/irq_64.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/irq_64.h')
-rw-r--r-- | include/asm-x86/irq_64.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-x86/irq_64.h b/include/asm-x86/irq_64.h new file mode 100644 index 000000000000..5006c6e75656 --- /dev/null +++ b/include/asm-x86/irq_64.h | |||
@@ -0,0 +1,51 @@ | |||
1 | #ifndef _ASM_IRQ_H | ||
2 | #define _ASM_IRQ_H | ||
3 | |||
4 | /* | ||
5 | * linux/include/asm/irq.h | ||
6 | * | ||
7 | * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar | ||
8 | * | ||
9 | * IRQ/IPI changes taken from work by Thomas Radke | ||
10 | * <tomsoft@informatik.tu-chemnitz.de> | ||
11 | */ | ||
12 | |||
13 | #define TIMER_IRQ 0 | ||
14 | |||
15 | /* | ||
16 | * 16 8259A IRQ's, 208 potential APIC interrupt sources. | ||
17 | * Right now the APIC is mostly only used for SMP. | ||
18 | * 256 vectors is an architectural limit. (we can have | ||
19 | * more than 256 devices theoretically, but they will | ||
20 | * have to use shared interrupts) | ||
21 | * Since vectors 0x00-0x1f are used/reserved for the CPU, | ||
22 | * the usable vector space is 0x20-0xff (224 vectors) | ||
23 | */ | ||
24 | |||
25 | /* | ||
26 | * The maximum number of vectors supported by x86_64 processors | ||
27 | * is limited to 256. For processors other than x86_64, NR_VECTORS | ||
28 | * should be changed accordingly. | ||
29 | */ | ||
30 | #define NR_VECTORS 256 | ||
31 | |||
32 | #define FIRST_SYSTEM_VECTOR 0xef /* duplicated in hw_irq.h */ | ||
33 | |||
34 | #define NR_IRQS (NR_VECTORS + (32 *NR_CPUS)) | ||
35 | #define NR_IRQ_VECTORS NR_IRQS | ||
36 | |||
37 | static __inline__ int irq_canonicalize(int irq) | ||
38 | { | ||
39 | return ((irq == 2) ? 9 : irq); | ||
40 | } | ||
41 | |||
42 | #define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */ | ||
43 | |||
44 | #ifdef CONFIG_HOTPLUG_CPU | ||
45 | #include <linux/cpumask.h> | ||
46 | extern void fixup_irqs(cpumask_t map); | ||
47 | #endif | ||
48 | |||
49 | #define __ARCH_HAS_DO_SOFTIRQ 1 | ||
50 | |||
51 | #endif /* _ASM_IRQ_H */ | ||