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Diffstat (limited to 'include/asm-mn10300/hardirq.h')
-rw-r--r-- | include/asm-mn10300/hardirq.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-mn10300/hardirq.h b/include/asm-mn10300/hardirq.h new file mode 100644 index 000000000000..54d950117674 --- /dev/null +++ b/include/asm-mn10300/hardirq.h | |||
@@ -0,0 +1,48 @@ | |||
1 | /* MN10300 Hardware IRQ statistics and management | ||
2 | * | ||
3 | * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. | ||
4 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
5 | * Modified by David Howells (dhowells@redhat.com) | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public Licence | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the Licence, or (at your option) any later version. | ||
11 | */ | ||
12 | #ifndef _ASM_HARDIRQ_H | ||
13 | #define _ASM_HARDIRQ_H | ||
14 | |||
15 | #include <linux/threads.h> | ||
16 | #include <linux/irq.h> | ||
17 | #include <asm/exceptions.h> | ||
18 | |||
19 | /* assembly code in softirq.h is sensitive to the offsets of these fields */ | ||
20 | typedef struct { | ||
21 | unsigned int __softirq_pending; | ||
22 | unsigned long idle_timestamp; | ||
23 | unsigned int __nmi_count; /* arch dependent */ | ||
24 | unsigned int __irq_count; /* arch dependent */ | ||
25 | } ____cacheline_aligned irq_cpustat_t; | ||
26 | |||
27 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ | ||
28 | |||
29 | extern void ack_bad_irq(int irq); | ||
30 | |||
31 | /* | ||
32 | * manipulate stubs in the MN10300 CPU Trap/Interrupt Vector table | ||
33 | * - these should jump to __common_exception in entry.S unless there's a good | ||
34 | * reason to do otherwise (see trap_preinit() in traps.c) | ||
35 | */ | ||
36 | typedef void (*intr_stub_fnx)(struct pt_regs *regs, | ||
37 | enum exception_code intcode); | ||
38 | |||
39 | /* | ||
40 | * manipulate pointers in the Exception table (see entry.S) | ||
41 | * - these are indexed by decoding the lower 24 bits of the TBR register | ||
42 | * - note that the MN103E010 doesn't always trap through the correct vector, | ||
43 | * but does always set the TBR correctly | ||
44 | */ | ||
45 | extern asmlinkage void set_excp_vector(enum exception_code code, | ||
46 | intr_stub_fnx handler); | ||
47 | |||
48 | #endif /* _ASM_HARDIRQ_H */ | ||