| icu.h (22975) | icu.h (25164) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)icu.h 5.6 (Berkeley) 5/9/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)icu.h 5.6 (Berkeley) 5/9/91 |
| 37 * $Id$ | 37 * $Id: icu.h,v 1.10 1997/02/22 09:36:13 peter Exp $ |
| 38 */ 39 40/* 41 * AT/386 Interrupt Control constants 42 * W. Jolitz 8/89 43 */ 44 45#ifndef _I386_ISA_ICU_H_ 46#define _I386_ISA_ICU_H_ 47 48#ifndef LOCORE 49 | 38 */ 39 40/* 41 * AT/386 Interrupt Control constants 42 * W. Jolitz 8/89 43 */ 44 45#ifndef _I386_ISA_ICU_H_ 46#define _I386_ISA_ICU_H_ 47 48#ifndef LOCORE 49 |
| 50#include "opt_smp.h" /* so we dont have to change EVERY file including icu.h */ 51 |
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| 50/* 51 * Interrupt "level" mechanism variables, masks, and macros 52 */ 53extern unsigned imen; /* interrupt mask enable */ 54 | 52/* 53 * Interrupt "level" mechanism variables, masks, and macros 54 */ 55extern unsigned imen; /* interrupt mask enable */ 56 |
| 57#if defined(APIC_IO) 58 59# if !defined(_MACHINE_SMP_H_) 60/** XXX what a hack, its this or include <machine/smp.h>! */ 61void write_io_apic_mask24 __P((int, u_int32_t)); /* i386/i386/mpapic.c */ 62# endif /* _MACHINE_SMP_H_ */ 63 64#if defined(MULTIPLE_IOAPICS) 65#error MULTIPLE_IOAPICSXXX: cannot assume apic #0 in the following functions. 66#endif /* MULTIPLE_IOAPICS */ 67 68static __inline u_int32_t 69INTRGET( void ) 70{ 71 return (imen & 0x00ffffff); /* return our global copy */ 72} 73 74static __inline void 75INTRSET( unsigned s ) 76{ 77 write_io_apic_mask24( 0, s ); 78 imen = s; 79} 80 81static __inline void 82INTREN( unsigned s ) 83{ 84 write_io_apic_mask24( 0, imen & ~s ); 85 imen &= ~s; 86} 87 88static __inline void 89INTRDIS( unsigned s ) 90{ 91 write_io_apic_mask24( 0, imen | s ); 92 imen |= s; 93} 94 95 96#define INTRMASK(msk,s) (msk |= (s)) 97#define INTRUNMASK(msk,s) (msk &= ~(s)) 98 99#else /* APIC_IO */ 100 |
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| 55#define INTREN(s) (imen &= ~(s), SET_ICUS()) 56#define INTRDIS(s) (imen |= (s), SET_ICUS()) 57#define INTRMASK(msk,s) (msk |= (s)) 58#define INTRUNMASK(msk,s) (msk &= ~(s)) | 101#define INTREN(s) (imen &= ~(s), SET_ICUS()) 102#define INTRDIS(s) (imen |= (s), SET_ICUS()) 103#define INTRMASK(msk,s) (msk |= (s)) 104#define INTRUNMASK(msk,s) (msk &= ~(s)) |
| 105 |
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| 59#if 0 60#ifdef PC98 61#define SET_ICUS() (outb(IO_ICU1 + 2, imen), outb(IU_ICU2 + 2, imen >> 8)) 62#else /* IBM-PC */ 63#define SET_ICUS() (outb(IO_ICU1 + 1, imen), outb(IU_ICU2 + 1, imen >> 8)) 64#endif /* PC98 */ 65#else 66/* 67 * XXX - IO_ICU* are defined in isa.h, not icu.h, and nothing much bothers to 68 * include isa.h, while too many things include icu.h. 69 */ 70#ifdef PC98 71#define SET_ICUS() (outb(0x02, imen), outb(0x0a, imen >> 8)) 72#else 73#define SET_ICUS() (outb(0x21, imen), outb(0xa1, imen >> 8)) 74#endif 75#endif 76 | 106#if 0 107#ifdef PC98 108#define SET_ICUS() (outb(IO_ICU1 + 2, imen), outb(IU_ICU2 + 2, imen >> 8)) 109#else /* IBM-PC */ 110#define SET_ICUS() (outb(IO_ICU1 + 1, imen), outb(IU_ICU2 + 1, imen >> 8)) 111#endif /* PC98 */ 112#else 113/* 114 * XXX - IO_ICU* are defined in isa.h, not icu.h, and nothing much bothers to 115 * include isa.h, while too many things include icu.h. 116 */ 117#ifdef PC98 118#define SET_ICUS() (outb(0x02, imen), outb(0x0a, imen >> 8)) 119#else 120#define SET_ICUS() (outb(0x21, imen), outb(0xa1, imen >> 8)) 121#endif 122#endif 123 |
| 124#endif /* APIC_IO */ 125 |
|
| 77#endif /* LOCORE */ 78 79/* 80 * Interrupt enable bits - in normal order of priority (which we change) 81 */ 82#define IRQ0 0x0001 /* highest priority - timer */ 83#define IRQ1 0x0002 84#define IRQ_SLAVE 0x0004 --- 18 unchanged lines hidden (view full) --- 103#undef IRQ_SLAVE 104#define IRQ_SLAVE 0x0080 105#endif 106 107/* 108 * Interrupt Control offset into Interrupt descriptor table (IDT) 109 */ 110#define ICU_OFFSET 32 /* 0-31 are processor exceptions */ | 126#endif /* LOCORE */ 127 128/* 129 * Interrupt enable bits - in normal order of priority (which we change) 130 */ 131#define IRQ0 0x0001 /* highest priority - timer */ 132#define IRQ1 0x0002 133#define IRQ_SLAVE 0x0004 --- 18 unchanged lines hidden (view full) --- 152#undef IRQ_SLAVE 153#define IRQ_SLAVE 0x0080 154#endif 155 156/* 157 * Interrupt Control offset into Interrupt descriptor table (IDT) 158 */ 159#define ICU_OFFSET 32 /* 0-31 are processor exceptions */ |
| 160 161#if defined(APIC_IO) 162 163#include <machine/apic.h> 164#if defined(IPI_INTS) 165/* 32-47: ISA IRQ0-IRQ15, 48-55: IO APIC IRQ16-IRQ23, 56-59: LOCAL APIC IPI */ 166#define ICU_LEN 28 167#else 168/* 32-47: ISA IRQ0-IRQ15, 48-55: IO APIC IRQ16-IRQ23 */ 169#define ICU_LEN 24 170#endif /* IPI_INTS */ 171 172#else 173 |
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| 111#define ICU_LEN 16 /* 32-47 are ISA interrupts */ 112 | 174#define ICU_LEN 16 /* 32-47 are ISA interrupts */ 175 |
| 176#endif /* APIC_IO */ 177 |
|
| 113#endif /* !_I386_ISA_ICU_H_ */ | 178#endif /* !_I386_ISA_ICU_H_ */ |