diff options
author | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
commit | 83400207a07584539366f6859362db6872809a12 (patch) | |
tree | fad187f8b3bebf1b387ec42ef8143e6f4e49a256 /arch/mn10300/include/asm/hardirq.h | |
parent | 0d489ffb76de0fe804cf06a9d4d11fa7342d74b9 (diff) | |
parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
MAINTAINERS
Diffstat (limited to 'arch/mn10300/include/asm/hardirq.h')
-rw-r--r-- | arch/mn10300/include/asm/hardirq.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/hardirq.h b/arch/mn10300/include/asm/hardirq.h new file mode 100644 index 00000000000..54d95011767 --- /dev/null +++ b/arch/mn10300/include/asm/hardirq.h @@ -0,0 +1,48 @@ +/* MN10300 Hardware IRQ statistics and management + * + * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Modified by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef _ASM_HARDIRQ_H +#define _ASM_HARDIRQ_H + +#include <linux/threads.h> +#include <linux/irq.h> +#include <asm/exceptions.h> + +/* assembly code in softirq.h is sensitive to the offsets of these fields */ +typedef struct { + unsigned int __softirq_pending; + unsigned long idle_timestamp; + unsigned int __nmi_count; /* arch dependent */ + unsigned int __irq_count; /* arch dependent */ +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +extern void ack_bad_irq(int irq); + +/* + * manipulate stubs in the MN10300 CPU Trap/Interrupt Vector table + * - these should jump to __common_exception in entry.S unless there's a good + * reason to do otherwise (see trap_preinit() in traps.c) + */ +typedef void (*intr_stub_fnx)(struct pt_regs *regs, + enum exception_code intcode); + +/* + * manipulate pointers in the Exception table (see entry.S) + * - these are indexed by decoding the lower 24 bits of the TBR register + * - note that the MN103E010 doesn't always trap through the correct vector, + * but does always set the TBR correctly + */ +extern asmlinkage void set_excp_vector(enum exception_code code, + intr_stub_fnx handler); + +#endif /* _ASM_HARDIRQ_H */ |