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Diffstat (limited to 'sys/mips/include/intr.h')
| -rw-r--r-- | sys/mips/include/intr.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sys/mips/include/intr.h b/sys/mips/include/intr.h new file mode 100644 index 0000000..c406379 --- /dev/null +++ b/sys/mips/include/intr.h @@ -0,0 +1,94 @@ +/* $NetBSD: intr.h,v 1.5 1996/05/13 06:11:28 mycroft Exp $ */ + +/*- + * Copyright (c) 1996 Charles M. Hannum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles M. Hannum. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * JNPR: intr.h,v 1.4 2007/08/09 11:23:32 katta + * $FreeBSD$ + */ + +#ifndef _MACHINE_INTR_H_ +#define _MACHINE_INTR_H_ + +/* Interrupt sharing types. */ +#define IST_NONE 0 /* none */ +#define IST_PULSE 1 /* pulsed */ +#define IST_EDGE 2 /* edge-triggered */ +#define IST_LEVEL 3 /* level-triggered */ + +#ifndef _LOCORE + +/* + * Index into intrcnt[], which is defined in exceptions.S + * Index # = irq # - 1 + */ +#define INTRCNT_HARDCLOCK 0 +#define INTRCNT_RTC 1 +#define INTRCNT_SIO 2 /* irq 3 */ +#define INTRCNT_PE 3 /* irq 4 */ +#define INTRCNT_PICNIC 4 /* irq 5 */ + +extern uint32_t idle_mask; +extern void (*mips_ack_interrupt)(int, uint32_t); + +typedef int ih_func_t(void *); + +struct intr_event; + +struct mips_intr_handler { + int (*ih_func) (void *); + void *ih_arg; + struct intr_event *ih_event; + u_int ih_flags; + volatile long *ih_count; + int ih_level; + int ih_irq; + void *frame; +}; + +extern struct mips_intr_handler intr_handlers[]; + +typedef void (*mask_fn)(void *); + +void mips_mask_irq(void); +void mips_unmask_irq(void); + +struct trapframe; +void mips_set_intr(int pri, uint32_t mask, + uint32_t (*int_hand)(uint32_t, struct trapframe *)); +uint32_t mips_handle_interrupts(uint32_t pending, struct trapframe *cf); +void intr_enable_source(uintptr_t irq); +struct trapframe * mips_get_trapframe(void *ih_arg); +int inthand_add(const char *name, u_int irq, void (*handler)(void *), + void *arg, int flags, void **cookiep); +int inthand_remove(u_int irq, void *cookie); +void bvif_attach(void); + +#endif /* _LOCORE */ + +#endif /* !_MACHINE_INTR_H_ */ |
