| /* 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 */ |