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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/amd64/amd64/apic_vector.S

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    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 I/O APICs
   36  * as well as IPI handlers.
   37  */
   38 
   39 #include <machine/asmacros.h>
   40 #include <machine/apicreg.h>
   41 
   42 #include "assym.s"
   43 
   44 /*
   45  * I/O Interrupt Entry Point.  Rather than having one entry point for
   46  * each interrupt source, we use one entry point for each 32-bit word
   47  * in the ISR.  The handler determines the highest bit set in the ISR,
   48  * translates that into a vector, and passes the vector to the
   49  * lapic_handle_intr() function.
   50  */
   51 #define ISR_VEC(index, vec_name)                                        \
   52         .text ;                                                         \
   53         SUPERALIGN_TEXT ;                                               \
   54 IDTVEC(vec_name) ;                                                      \
   55         PUSH_FRAME ;                                                    \
   56         FAKE_MCOUNT(TF_RIP(%rsp)) ;                                     \
   57         movq    lapic, %rdx ;   /* pointer to local APIC */             \
   58         movl    LA_ISR + 16 * (index)(%rdx), %eax ;     /* load ISR */  \
   59         bsrl    %eax, %eax ;    /* index of highset set bit in ISR */   \
   60         jz      2f ;                                                    \
   61         addl    $(32 * index),%eax ;                                    \
   62 1: ;                                                                    \
   63         movq    %rsp, %rsi      ;                                       \
   64         movl    %eax, %edi ;    /* pass the IRQ */                      \
   65         call    lapic_handle_intr ;                                     \
   66         MEXITCOUNT ;                                                    \
   67         jmp     doreti ;                                                \
   68 2:      movl    $-1, %eax ;     /* send a vector of -1 */               \
   69         jmp     1b
   70 
   71 /*
   72  * Handle "spurious INTerrupts".
   73  * Notes:
   74  *  This is different than the "spurious INTerrupt" generated by an
   75  *   8259 PIC for missing INTs.  See the APIC documentation for details.
   76  *  This routine should NOT do an 'EOI' cycle.
   77  */
   78         .text
   79         SUPERALIGN_TEXT
   80 IDTVEC(spuriousint)
   81 
   82         /* No EOI cycle used here */
   83 
   84         iretq
   85 
   86         ISR_VEC(1, apic_isr1)
   87         ISR_VEC(2, apic_isr2)
   88         ISR_VEC(3, apic_isr3)
   89         ISR_VEC(4, apic_isr4)
   90         ISR_VEC(5, apic_isr5)
   91         ISR_VEC(6, apic_isr6)
   92         ISR_VEC(7, apic_isr7)
   93 
   94 /*
   95  * Local APIC periodic timer handler.
   96  */
   97         .text
   98         SUPERALIGN_TEXT
   99 IDTVEC(timerint)
  100         PUSH_FRAME
  101         FAKE_MCOUNT(TF_RIP(%rsp))
  102         movq    %rsp, %rdi
  103         call    lapic_handle_timer
  104         MEXITCOUNT
  105         jmp     doreti
  106 
  107 #ifdef SMP
  108 /*
  109  * Global address space TLB shootdown.
  110  */
  111         .text
  112         SUPERALIGN_TEXT
  113 IDTVEC(invltlb)
  114         pushq   %rax
  115 
  116         movq    %cr3, %rax              /* invalidate the TLB */
  117         movq    %rax, %cr3
  118 
  119         movq    lapic, %rax
  120         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  121 
  122         lock
  123         incl    smp_tlb_wait
  124 
  125         popq    %rax
  126         iretq
  127 
  128 /*
  129  * Single page TLB shootdown
  130  */
  131         .text
  132         SUPERALIGN_TEXT
  133 IDTVEC(invlpg)
  134         pushq   %rax
  135 
  136         movq    smp_tlb_addr1, %rax
  137         invlpg  (%rax)                  /* invalidate single page */
  138 
  139         movq    lapic, %rax
  140         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  141 
  142         lock
  143         incl    smp_tlb_wait
  144 
  145         popq    %rax
  146         iretq
  147 
  148 /*
  149  * Page range TLB shootdown.
  150  */
  151         .text
  152         SUPERALIGN_TEXT
  153 IDTVEC(invlrng)
  154         pushq   %rax
  155         pushq   %rdx
  156 
  157         movq    smp_tlb_addr1, %rdx
  158         movq    smp_tlb_addr2, %rax
  159 1:      invlpg  (%rdx)                  /* invalidate single page */
  160         addq    $PAGE_SIZE, %rdx
  161         cmpq    %rax, %rdx
  162         jb      1b
  163 
  164         movq    lapic, %rax
  165         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  166 
  167         lock
  168         incl    smp_tlb_wait
  169 
  170         popq    %rdx
  171         popq    %rax
  172         iretq
  173 
  174 /*
  175  * Invalidate cache.
  176  */
  177         .text
  178         SUPERALIGN_TEXT
  179 IDTVEC(invlcache)
  180         pushq   %rax
  181 
  182         wbinvd
  183 
  184         movq    lapic, %rax
  185         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  186 
  187         lock
  188         incl    smp_tlb_wait
  189 
  190         popq    %rax
  191         iretq
  192 
  193 /*
  194  * Handler for IPIs sent via the per-cpu IPI bitmap.
  195  */
  196         .text
  197         SUPERALIGN_TEXT
  198 IDTVEC(ipi_intr_bitmap_handler)         
  199         PUSH_FRAME
  200 
  201         movq    lapic, %rdx
  202         movl    $0, LA_EOI(%rdx)        /* End Of Interrupt to APIC */
  203         
  204         FAKE_MCOUNT(TF_RIP(%rsp))
  205 
  206         call    ipi_bitmap_handler
  207         MEXITCOUNT
  208         jmp     doreti
  209 
  210 /*
  211  * Executed by a CPU when it receives an IPI_STOP from another CPU.
  212  */
  213         .text
  214         SUPERALIGN_TEXT
  215 IDTVEC(cpustop)
  216         PUSH_FRAME
  217 
  218         movq    lapic, %rax
  219         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  220 
  221         call    cpustop_handler
  222 
  223         POP_FRAME
  224         iretq
  225 
  226 /*
  227  * Executed by a CPU when it receives a RENDEZVOUS IPI from another CPU.
  228  *
  229  * - Calls the generic rendezvous action function.
  230  */
  231         .text
  232         SUPERALIGN_TEXT
  233 IDTVEC(rendezvous)
  234         PUSH_FRAME
  235         call    smp_rendezvous_action
  236         movq    lapic, %rax
  237         movl    $0, LA_EOI(%rax)        /* End Of Interrupt to APIC */
  238         POP_FRAME                       /* Why not doreti? */
  239         iretq
  240 #endif /* SMP */

Cache object: eaf2bde826432958b9cdc2bf808bdd00


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.