sys/platform/pc64/apic/apic_ipl.h

   1 /*-
   2  * Copyright (c) 1997, by Steve Passe
   3  * Copyright (c) 2008 The DragonFly Project.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. The name of the developer may NOT be used to endorse or promote products
  12  *    derived from this software without specific prior written permission.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/i386/isa/apic_ipl.h,v 1.3 1999/08/28 00:44:36 peter Exp $
  27  * $DragonFly: src/sys/platform/pc64/apic/apic_ipl.h,v 1.1 2008/08/29 17:07:12 dillon Exp $
  28  */
  29
  30 #ifndef _ARCH_APIC_IPL_H_
  31 #define _ARCH_APIC_IPL_H_
  32
  33 #ifdef APIC_IO
  34
  35 /* IDT vector base for regular (aka. slow) and fast interrupts */
  36 #define TPR_SLOW_INTS   0x20
  37 #define TPR_FAST_INTS   0x60
  38
  39 #define APIC_HWI_VECTORS 24
  40 #define APIC_HWI_MASK   ((1 << APIC_HWI_VECTORS) - 1)
  41
  42 #endif
  43
  44 #ifdef LOCORE
  45
  46 /*
  47  * Interrupts may or may not be disabled when using these functions.
  48  */
  49 #define APIC_IMASK_LOCK                                                 \
  50         SPIN_LOCK(imen_spinlock) ;                                      \
  51
  52 #define APIC_IMASK_UNLOCK                                               \
  53         SPIN_UNLOCK(imen_spinlock) ;                                    \
  54
  55 #endif
  56
  57 #endif /* !_ARCH_APIC_IPL_H_ */