The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/amd64/isa/atpic_vector.S

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    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 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         subq    $TF_RIP,%rsp ;  /* skip dummy tf_err and tf_trapno */   \
   51         testb   $SEL_RPL_MASK,TF_CS(%rsp) ; /* come from kernel? */     \
   52         jz      1f ;            /* Yes, dont swapgs again */            \
   53         swapgs ;                                                        \
   54 1:      movq    %rdi,TF_RDI(%rsp) ;                                     \
   55         movq    %rsi,TF_RSI(%rsp) ;                                     \
   56         movq    %rdx,TF_RDX(%rsp) ;                                     \
   57         movq    %rcx,TF_RCX(%rsp) ;                                     \
   58         movq    %r8,TF_R8(%rsp) ;                                       \
   59         movq    %r9,TF_R9(%rsp) ;                                       \
   60         movq    %rax,TF_RAX(%rsp) ;                                     \
   61         movq    %rbx,TF_RBX(%rsp) ;                                     \
   62         movq    %rbp,TF_RBP(%rsp) ;                                     \
   63         movq    %r10,TF_R10(%rsp) ;                                     \
   64         movq    %r11,TF_R11(%rsp) ;                                     \
   65         movq    %r12,TF_R12(%rsp) ;                                     \
   66         movq    %r13,TF_R13(%rsp) ;                                     \
   67         movq    %r14,TF_R14(%rsp) ;                                     \
   68         movq    %r15,TF_R15(%rsp) ;                                     \
   69         FAKE_MCOUNT(TF_RIP(%rsp)) ;                                     \
   70         movq    $irq_num, %rdi;         /* pass the IRQ */              \
   71         call    atpic_handle_intr ;                                     \
   72         MEXITCOUNT ;                                                    \
   73         jmp     doreti
   74 
   75         INTR(0, atpic_intr0)
   76         INTR(1, atpic_intr1)
   77         INTR(2, atpic_intr2)
   78         INTR(3, atpic_intr3)
   79         INTR(4, atpic_intr4)
   80         INTR(5, atpic_intr5)
   81         INTR(6, atpic_intr6)
   82         INTR(7, atpic_intr7)
   83         INTR(8, atpic_intr8)
   84         INTR(9, atpic_intr9)
   85         INTR(10, atpic_intr10)
   86         INTR(11, atpic_intr11)
   87         INTR(12, atpic_intr12)
   88         INTR(13, atpic_intr13)
   89         INTR(14, atpic_intr14)
   90         INTR(15, atpic_intr15)

Cache object: 54b4b8fc7128e9f7f6c2565ac7775dd8


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