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authorThomas Gleixner <tglx@linutronix.de>2008-05-02 14:10:09 -0400
committerIngo Molnar <mingo@elte.hu>2008-05-12 15:28:05 -0400
commit9b7dc567d03d74a1fbae84e88949b6a60d922d82 (patch)
tree7b59581c40ea13373574daeb53a01e90729ddc7f /include/asm-x86/mach-default
parent2e0884362d1fe36ef2d673d763d6ce35e2044e66 (diff)
x86: unify interrupt vector defines
The interrupt vector defines are copied 4 times around with minimal differences. Move them all into asm-x86/irq_vectors.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mach-default')
-rw-r--r--include/asm-x86/mach-default/irq_vectors.h96
-rw-r--r--include/asm-x86/mach-default/irq_vectors_limits.h16
2 files changed, 0 insertions, 112 deletions
diff --git a/include/asm-x86/mach-default/irq_vectors.h b/include/asm-x86/mach-default/irq_vectors.h
deleted file mode 100644
index 881c63ca61ad..000000000000
--- a/include/asm-x86/mach-default/irq_vectors.h
+++ /dev/null
@@ -1,96 +0,0 @@
1/*
2 * This file should contain #defines for all of the interrupt vector
3 * numbers used by this architecture.
4 *
5 * In addition, there are some standard defines:
6 *
7 * FIRST_EXTERNAL_VECTOR:
8 * The first free place for external interrupts
9 *
10 * SYSCALL_VECTOR:
11 * The IRQ vector a syscall makes the user to kernel transition
12 * under.
13 *
14 * TIMER_IRQ:
15 * The IRQ number the timer interrupt comes in at.
16 *
17 * NR_IRQS:
18 * The total number of interrupt vectors (including all the
19 * architecture specific interrupts) needed.
20 *
21 */
22#ifndef _ASM_IRQ_VECTORS_H
23#define _ASM_IRQ_VECTORS_H
24
25/*
26 * IDT vectors usable for external interrupt sources start
27 * at 0x20:
28 */
29#define FIRST_EXTERNAL_VECTOR 0x20
30
31#define SYSCALL_VECTOR 0x80
32
33/*
34 * Vectors 0x20-0x2f are used for ISA interrupts.
35 */
36
37/*
38 * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
39 *
40 * some of the following vectors are 'rare', they are merged
41 * into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
42 * TLB, reschedule and local APIC vectors are performance-critical.
43 *
44 * Vectors 0xf0-0xfa are free (reserved for future Linux use).
45 */
46#define SPURIOUS_APIC_VECTOR 0xff
47#define ERROR_APIC_VECTOR 0xfe
48#define INVALIDATE_TLB_VECTOR 0xfd
49#define RESCHEDULE_VECTOR 0xfc
50#define CALL_FUNCTION_VECTOR 0xfb
51
52#define THERMAL_APIC_VECTOR 0xf0
53/*
54 * Local APIC timer IRQ vector is on a different priority level,
55 * to work around the 'lost local interrupt if more than 2 IRQ
56 * sources per level' errata.
57 */
58#define LOCAL_TIMER_VECTOR 0xef
59
60/*
61 * First APIC vector available to drivers: (vectors 0x30-0xee)
62 * we start at 0x31 to spread out vectors evenly between priority
63 * levels. (0x80 is the syscall vector)
64 */
65#define FIRST_DEVICE_VECTOR 0x31
66#define FIRST_SYSTEM_VECTOR 0xef
67
68#define TIMER_IRQ 0
69
70/*
71 * 16 8259A IRQ's, 208 potential APIC interrupt sources.
72 * Right now the APIC is mostly only used for SMP.
73 * 256 vectors is an architectural limit. (we can have
74 * more than 256 devices theoretically, but they will
75 * have to use shared interrupts)
76 * Since vectors 0x00-0x1f are used/reserved for the CPU,
77 * the usable vector space is 0x20-0xff (224 vectors)
78 */
79
80/*
81 * The maximum number of vectors supported by i386 processors
82 * is limited to 256. For processors other than i386, NR_VECTORS
83 * should be changed accordingly.
84 */
85#define NR_VECTORS 256
86
87#include "irq_vectors_limits.h"
88
89#define FPU_IRQ 13
90
91#define FIRST_VM86_IRQ 3
92#define LAST_VM86_IRQ 15
93#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
94
95
96#endif /* _ASM_IRQ_VECTORS_H */
diff --git a/include/asm-x86/mach-default/irq_vectors_limits.h b/include/asm-x86/mach-default/irq_vectors_limits.h
deleted file mode 100644
index a90c7a60109f..000000000000
--- a/include/asm-x86/mach-default/irq_vectors_limits.h
+++ /dev/null
@@ -1,16 +0,0 @@
1#ifndef _ASM_IRQ_VECTORS_LIMITS_H
2#define _ASM_IRQ_VECTORS_LIMITS_H
3
4#if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT)
5#define NR_IRQS 224
6# if (224 >= 32 * NR_CPUS)
7# define NR_IRQ_VECTORS NR_IRQS
8# else
9# define NR_IRQ_VECTORS (32 * NR_CPUS)
10# endif
11#else
12#define NR_IRQS 16
13#define NR_IRQ_VECTORS NR_IRQS
14#endif
15
16#endif /* _ASM_IRQ_VECTORS_LIMITS_H */