/* 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 */