/*- * 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) ; \ subq $TF_RIP,%rsp ; /* skip dummy tf_err and tf_trapno */ \ testb $SEL_RPL_MASK,TF_CS(%rsp) ; /* come from kernel? */ \ jz 1f ; /* Yes, dont swapgs again */ \ swapgs ; \ 1: movq %rdi,TF_RDI(%rsp) ; \ movq %rsi,TF_RSI(%rsp) ; \ movq %rdx,TF_RDX(%rsp) ; \ movq %rcx,TF_RCX(%rsp) ; \ movq %r8,TF_R8(%rsp) ; \ movq %r9,TF_R9(%rsp) ; \ movq %rax,TF_RAX(%rsp) ; \ movq %rbx,TF_RBX(%rsp) ; \ movq %rbp,TF_RBP(%rsp) ; \ movq %r10,TF_R10(%rsp) ; \ movq %r11,TF_R11(%rsp) ; \ movq %r12,TF_R12(%rsp) ; \ movq %r13,TF_R13(%rsp) ; \ movq %r14,TF_R14(%rsp) ; \ movq %r15,TF_R15(%rsp) ; \ FAKE_MCOUNT(TF_RIP(%rsp)) ; \ movq $irq_num, %rdi; /* pass the IRQ */ \ call atpic_handle_intr ; \ MEXITCOUNT ; \ jmp doreti 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)