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

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#include <pexpert/pexpert.h>
#include <pexpert/protos.h>
#include <machine/machine_routines.h>
#include <i386/machine_cpu.h>
#include <i386/mp.h>
#include <sys/kdebug.h>

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_platform_interrupt_initialize(void)
{
}


void
PE_incoming_interrupt(int interrupt, void *state)
{
	i386_interrupt_handler_t	*vector;

	KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
			      0, ((unsigned int *)state)[5], 0, 0, 0);

	vector = &PE_interrupt_handler;

	switch (interrupt) {
	case APIC_ERROR_INTERRUPT:
	case SPURIOUS_INTERRUPT:
	case INTERPROCESS_INTERRUPT:
		lapic_interrupt(interrupt, state);
		break;
	default:
		vector->handler(vector->target, state, vector->nub, interrupt);
	}

	KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
	   0, 0, 0, 0, 0);
}

void PE_install_interrupt_handler(void *nub, 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 A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
e5568f75 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
e5568f75 A	12	* This Original Code and all software distributed under the License are
e5568f75 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	#include <pexpert/pexpert.h>
	23	#include <pexpert/protos.h>
	24	#include <machine/machine_routines.h>
55e303ae A	25	#include <i386/machine_cpu.h>
55e303ae A	26	#include <i386/mp.h>
9bccf70c	27	#include <sys/kdebug.h>
1c79356b A	28
	29	struct i386_interrupt_handler {
	30	IOInterruptHandler handler;
	31	void *nub;
	32	void *target;
	33	void *refCon;
	34	};
	35
	36	typedef struct i386_interrupt_handler i386_interrupt_handler_t;
	37
	38	i386_interrupt_handler_t PE_interrupt_handler;
	39
	40	void PE_platform_interrupt_initialize(void)
	41	{
	42	}
	43
55e303ae A	44
55e303ae A	45
1c79356b	46	void
55e303ae	47	PE_incoming_interrupt(int interrupt, void *state)
1c79356b	48	{
1c79356b A	49	i386_interrupt_handler_t *vector;
1c79356b A	50
9bccf70c	51	KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) \| DBG_FUNC_START,
55e303ae	52	0, ((unsigned int *)state)[5], 0, 0, 0);
1c79356b	53
9bccf70c	54	vector = &PE_interrupt_handler;
55e303ae A	55
	56	switch (interrupt) {
	57	case APIC_ERROR_INTERRUPT:
	58	case SPURIOUS_INTERRUPT:
	59	case INTERPROCESS_INTERRUPT:
	60	lapic_interrupt(interrupt, state);
	61	break;
	62	default:
	63	vector->handler(vector->target, state, vector->nub, interrupt);
	64	}
9bccf70c A	65
	66	KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) \| DBG_FUNC_END,
	67	0, 0, 0, 0, 0);
1c79356b A	68	}
	69
	70	void PE_install_interrupt_handler(void *nub, int source,
	71	void *target,
	72	IOInterruptHandler handler,
	73	void *refCon)
	74	{
	75	i386_interrupt_handler_t *vector;
	76
	77	vector = &PE_interrupt_handler;
	78
	79	/vector->source = source; IGNORED /
	80	vector->handler = handler;
	81	vector->nub = nub;
	82	vector->target = target;
	83	vector->refCon = refCon;
	84	}