[apple/xnu.git] / pexpert / i386 / pe_interrupt.c

/*
 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
#include <pexpert/pexpert.h>
#include <pexpert/protos.h>
#include <machine/machine_routines.h>

#if CONFIG_DTRACE && DEVELOPMENT
#include <mach/sdt.h>
#endif

void PE_incoming_interrupt(int);


struct i386_interrupt_handler {
	IOInterruptHandler	handler;
	void			*nub;
	void			*target;
	void			*refCon;
};

typedef struct i386_interrupt_handler i386_interrupt_handler_t;

i386_interrupt_handler_t	PE_interrupt_handler;


void
PE_incoming_interrupt(int interrupt)
{
	i386_interrupt_handler_t	*vector;

	vector = &PE_interrupt_handler;

#if CONFIG_DTRACE && DEVELOPMENT
        DTRACE_INT5(interrupt_start, void *, vector->nub, int, 0, 
                    void *, vector->target, IOInterruptHandler, vector->handler,
                    void *, vector->refCon);
#endif

	vector->handler(vector->target, NULL, vector->nub, interrupt);

#if CONFIG_DTRACE && DEVELOPMENT
        DTRACE_INT5(interrupt_complete, void *, vector->nub, int, 0, 
                    void *, vector->target, IOInterruptHandler, vector->handler,
                    void *, vector->refCon);
#endif
}

void PE_install_interrupt_handler(void *nub,
				  __unused int source,
				  void *target,
				  IOInterruptHandler handler,
				  void *refCon)
{
	i386_interrupt_handler_t	*vector;

	vector = &PE_interrupt_handler;

	/*vector->source = source; IGNORED */
	vector->handler = handler;
	vector->nub = nub;
	vector->target = target;
	vector->refCon = refCon;
}
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
1c79356b	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	#include <pexpert/pexpert.h>
	29	#include <pexpert/protos.h>
	30	#include <machine/machine_routines.h>
91447636	31
2d21ac55 A	32	#if CONFIG_DTRACE && DEVELOPMENT
	33	#include <mach/sdt.h>
	34	#endif
	35
b0d623f7	36	void PE_incoming_interrupt(int);
91447636 A	37
91447636 A	38
1c79356b A	39	struct i386_interrupt_handler {
	40	IOInterruptHandler handler;
	41	void *nub;
	42	void *target;
	43	void *refCon;
	44	};
	45
	46	typedef struct i386_interrupt_handler i386_interrupt_handler_t;
	47
	48	i386_interrupt_handler_t PE_interrupt_handler;
	49
55e303ae A	50
55e303ae A	51
1c79356b	52	void
b0d623f7	53	PE_incoming_interrupt(int interrupt)
1c79356b	54	{
1c79356b	55	i386_interrupt_handler_t *vector;
1c79356b	56
9bccf70c	57	vector = &PE_interrupt_handler;
55e303ae	58
2d21ac55	59	#if CONFIG_DTRACE && DEVELOPMENT
b0d623f7 A	60	DTRACE_INT5(interrupt_start, void *, vector->nub, int, 0,
	61	void *, vector->target, IOInterruptHandler, vector->handler,
	62	void *, vector->refCon);
2d21ac55 A	63	#endif
2d21ac55 A	64
b0d623f7	65	vector->handler(vector->target, NULL, vector->nub, interrupt);
9bccf70c	66
2d21ac55	67	#if CONFIG_DTRACE && DEVELOPMENT
b0d623f7 A	68	DTRACE_INT5(interrupt_complete, void *, vector->nub, int, 0,
	69	void *, vector->target, IOInterruptHandler, vector->handler,
	70	void *, vector->refCon);
2d21ac55	71	#endif
1c79356b A	72	}
1c79356b A	73
91447636 A	74	void PE_install_interrupt_handler(void *nub,
91447636 A	75	__unused int source,
1c79356b A	76	void *target,
	77	IOInterruptHandler handler,
	78	void *refCon)
	79	{
	80	i386_interrupt_handler_t *vector;
	81
	82	vector = &PE_interrupt_handler;
	83
	84	/vector->source = source; IGNORED /
	85	vector->handler = handler;
	86	vector->nub = nub;
	87	vector->target = target;
	88	vector->refCon = refCon;
	89	}