diff options
Diffstat (limited to 'sys/pc98/pc98/icu.h')
| -rw-r--r-- | sys/pc98/pc98/icu.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/sys/pc98/pc98/icu.h b/sys/pc98/pc98/icu.h deleted file mode 100644 index 47a5f2a..0000000 --- a/sys/pc98/pc98/icu.h +++ /dev/null @@ -1,125 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * 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 the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * from: @(#)icu.h 5.6 (Berkeley) 5/9/91 - * $Id: icu.h,v 1.7 1994/10/01 02:56:11 davidg Exp $ - */ - -/* - * AT/386 Interrupt Control constants - * W. Jolitz 8/89 - * - * modified for PC98 - * $Id: icu.h,v 1.2 1994/03/14 10:44:07 kakefuda Exp $ - */ - -#ifndef _PC98_PC98_ICU_H_ -#define _PC98_PC98_ICU_H_ - -#ifndef LOCORE - -/* - * Interrupt "level" mechanism variables, masks, and macros - */ -extern unsigned imen; /* interrupt mask enable */ - -#define INTREN(s) (imen &= ~(s), SET_ICUS()) -#define INTRDIS(s) (imen |= (s), SET_ICUS()) -#define INTRMASK(msk,s) (msk |= (s)) -#define INTRUNMASK(msk,s) (msk &= ~(s)) -#if 0 -#define SET_ICUS() (outb(IO_ICU1 + 1, imen), outb(IU_ICU2 + 1, imen >> 8)) -#else -/* - * XXX - IO_ICU* are defined in pc98.h, not icu.h, and nothing much bothers to - * include pc98.h, while too many things include icu.h. - */ -#ifdef PC98 -#define SET_ICUS() (outb(0x02, imen), outb(0x0a, imen >> 8)) -#else -#define SET_ICUS() (outb(0x21, imen), outb(0xa1, imen >> 8)) -#endif -#endif - -#endif /* LOCORE */ - -/* - * Interrupt enable bits - in normal order of priority (which we change) - */ -#ifdef PC98 -#define IRQ0 0x0001 /* highest priority - timer */ -#define IRQ1 0x0002 -#define IRQ2 0x0004 -#define IRQ3 0x0008 -#define IRQ4 0x0010 -#define IRQ5 0x0020 -#define IRQ6 0x0040 -#define IRQ7 0x0080 /* OK? */ -#define IRQ_SLAVE 0x0080 -#define IRQ8 0x0100 -#define IRQ9 0x0200 -#define IRQ10 0x0400 -#define IRQ11 0x0800 -#define IRQ12 0x1000 -#define IRQ13 0x2000 -#define IRQ14 0x4000 -#define IRQ15 0x8000 /* lowest */ -#else -#define IRQ0 0x0001 /* highest priority - timer */ -#define IRQ1 0x0002 -#define IRQ_SLAVE 0x0004 -#define IRQ8 0x0100 -#define IRQ9 0x0200 -#define IRQ2 IRQ9 -#define IRQ10 0x0400 -#define IRQ11 0x0800 -#define IRQ12 0x1000 -#define IRQ13 0x2000 -#define IRQ14 0x4000 -#define IRQ15 0x8000 -#define IRQ3 0x0008 /* this is highest after rotation */ -#define IRQ4 0x0010 -#define IRQ5 0x0020 -#define IRQ6 0x0040 -#define IRQ7 0x0080 /* lowest - parallel printer */ -#endif - -/* - * Interrupt Control offset into Interrupt descriptor table (IDT) - */ -#define ICU_OFFSET 32 /* 0-31 are processor exceptions */ -#define ICU_LEN 16 /* 32-47 are PC98 interrupts */ - -#endif /* !_PC98_PC98_ICU_H_ */ |
