diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-02 14:10:09 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-05-12 15:28:05 -0400 |
commit | 9b7dc567d03d74a1fbae84e88949b6a60d922d82 (patch) | |
tree | 7b59581c40ea13373574daeb53a01e90729ddc7f /include/asm-x86/mach-default | |
parent | 2e0884362d1fe36ef2d673d763d6ce35e2044e66 (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.h | 96 | ||||
-rw-r--r-- | include/asm-x86/mach-default/irq_vectors_limits.h | 16 |
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 */ | ||