sys/i386/i386/atpic_vector.s

   1 /*-
   2  * Copyright (c) 1989, 1990 William F. Jolitz.
   3  * Copyright (c) 1990 The Regents of the University of California.
   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. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 4. Neither the name of the University nor the names of its contributors
  15  *    may be used to endorse or promote products derived from this software
  16  *    without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  *      from: vector.s, 386BSD 0.1 unknown origin
  31  * $FreeBSD$
  32  */
  33
  34 /*
  35  * Interrupt entry points for external interrupts triggered by the 8259A
  36  * master and slave interrupt controllers.
  37  */
  38
  39 #include <machine/asmacros.h>
  40
  41 #include "assym.s"
  42
  43 /*
  44  * Macros for interrupt entry, call to handler, and exit.
  45  */
  46 #define INTR(irq_num, vec_name) \
  47         .text ;                                                         \
  48         SUPERALIGN_TEXT ;                                               \
  49 IDTVEC(vec_name) ;                                                      \
  50         PUSH_FRAME ;                                                    \
  51         SET_KERNEL_SREGS ;                                              \
  52         cld ;                                                           \
  53 ;                                                                       \
  54         FAKE_MCOUNT(TF_EIP(%esp)) ;                                     \
  55         pushl   %esp            ;                                       \
  56         pushl   $irq_num;       /* pass the IRQ */                      \
  57         call    atpic_handle_intr ;                                     \
  58         addl    $8, %esp ;      /* discard the parameters */            \
  59 ;                                                                       \
  60         MEXITCOUNT ;                                                    \
  61         jmp     doreti
  62
  63         INTR(0, atpic_intr0)
  64         INTR(1, atpic_intr1)
  65         INTR(2, atpic_intr2)
  66         INTR(3, atpic_intr3)
  67         INTR(4, atpic_intr4)
  68         INTR(5, atpic_intr5)
  69         INTR(6, atpic_intr6)
  70         INTR(7, atpic_intr7)
  71         INTR(8, atpic_intr8)
  72         INTR(9, atpic_intr9)
  73         INTR(10, atpic_intr10)
  74         INTR(11, atpic_intr11)
  75         INTR(12, atpic_intr12)
  76         INTR(13, atpic_intr13)
  77         INTR(14, atpic_intr14)
  78         INTR(15, atpic_intr15)