490f3711c0
some reason. Restore it to correct 16. HTF did hpcsh work all this time with hd6446x_imask[_IPL_N] indexed with IPLs 0..15 is a mistery... Discovered by accidentally triggering hd64461 timer interrupt that is not enabled and should have been masked. _IPL_N used to be *also incorrect* 15 before Andy's change, which makes one wonder if dumb luck is severly underappreciated.
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* $NetBSD: intr.h,v 1.26 2009/03/21 06:11:08 uwe Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``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 FOUNDATION OR CONTRIBUTORS
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _SH3_INTR_H_
|
|
#define _SH3_INTR_H_
|
|
|
|
#include <sh3/psl.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 */
|
|
|
|
/* Interrupt priority levels */
|
|
#define _IPL_N 16
|
|
#define _IPL_NSOFT 4
|
|
|
|
#define IPL_NONE 0 /* nothing */
|
|
#define IPL_SOFTCLOCK 1
|
|
#define IPL_SOFTBIO 2 /* timeouts */
|
|
#define IPL_SOFTNET 3 /* protocol stacks */
|
|
#define IPL_SOFTSERIAL 4 /* serial */
|
|
|
|
struct intc_intrhand {
|
|
int (*ih_func)(void *);
|
|
void *ih_arg;
|
|
int ih_level; /* SR.I[0:3] value */
|
|
int ih_evtcode; /* INTEVT or INTEVT2(SH7709/SH7709A) */
|
|
int ih_idx; /* evtcode -> intrhand mapping */
|
|
};
|
|
|
|
/* from 0x200 by 0x20 -> from 0 by 1 */
|
|
#define EVTCODE_TO_MAP_INDEX(x) (((x) >> 5) - 0x10)
|
|
#define EVTCODE_TO_IH_INDEX(x) \
|
|
__intc_evtcode_to_ih[EVTCODE_TO_MAP_INDEX(x)]
|
|
#define EVTCODE_IH(x) (&__intc_intrhand[EVTCODE_TO_IH_INDEX(x)])
|
|
extern int8_t __intc_evtcode_to_ih[];
|
|
extern struct intc_intrhand __intc_intrhand[];
|
|
|
|
void intc_init(void);
|
|
void *intc_intr_establish(int, int, int, int (*)(void *), void *);
|
|
void intc_intr_disestablish(void *);
|
|
void intc_intr_enable(int);
|
|
void intc_intr_disable(int);
|
|
void intc_intr(int, int, int);
|
|
|
|
void intpri_intr_priority(int evtcode, int level);
|
|
|
|
#endif /* !_SH3_INTR_H_ */
|