/*- * Copyright (c) 1989, 1990 William F. Jolitz. * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: vector.s, 386BSD 0.1 unknown origin * $FreeBSD$ */ /* * Interrupt entry points for external interrupts triggered by the 8259A * master and slave interrupt controllers. */ #include #include "assym.s" /* * Macros for interrupt interrupt entry, call to handler, and exit. */ #define INTR(irq_num, vec_name) \ .text ; \ SUPERALIGN_TEXT ; \ IDTVEC(vec_name) ; \ pushl $0 ; /* dummy error code */ \ pushl $0 ; /* dummy trap type */ \ pushal ; /* 8 ints */ \ pushl %ds ; /* save data and extra segments ... */ \ pushl %es ; \ pushl %fs ; \ movl $KDSEL, %eax ; /* reload with kernel's data segment */ \ movl %eax, %ds ; \ movl %eax, %es ; \ movl $KPSEL, %eax ; /* reload with per-CPU data segment */ \ movl %eax, %fs ; \ ; \ FAKE_MCOUNT(TF_EIP(%esp)) ; \ pushl $irq_num; /* pass the IRQ */ \ call atpic_handle_intr ; \ addl $4, %esp ; /* discard the parameter */ \ ; \ MEXITCOUNT ; \ jmp doreti MCOUNT_LABEL(bintr) INTR(0, atpic_intr0) INTR(1, atpic_intr1) INTR(2, atpic_intr2) INTR(3, atpic_intr3) INTR(4, atpic_intr4) INTR(5, atpic_intr5) INTR(6, atpic_intr6) INTR(7, atpic_intr7) INTR(8, atpic_intr8) INTR(9, atpic_intr9) INTR(10, atpic_intr10) INTR(11, atpic_intr11) INTR(12, atpic_intr12) INTR(13, atpic_intr13) INTR(14, atpic_intr14) INTR(15, atpic_intr15) MCOUNT_LABEL(eintr)