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https://github.com/RGBCube/serenity
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62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/Types.h>
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extern "C" void interrupt_common_asm_entry();
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#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(interrupt_vector, isr_number) \
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extern "C" void interrupt_##interrupt_vector##_asm_entry(); \
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asm(".globl interrupt_" #interrupt_vector "_asm_entry\n" \
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"interrupt_" #interrupt_vector "_asm_entry:\n" \
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" pushw $" #isr_number "\n" \
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" pushw $0\n" \
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" jmp interrupt_common_asm_entry\n");
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asm(
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".globl interrupt_common_asm_entry\n"
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"interrupt_common_asm_entry: \n"
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" pusha\n"
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" pushl %ds\n"
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" pushl %es\n"
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" pushl %fs\n"
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" pushl %gs\n"
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" pushl %ss\n"
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" mov $0x10, %ax\n"
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" mov %ax, %ds\n"
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" mov %ax, %es\n"
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" cld\n"
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" call handle_interrupt\n"
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" add $0x4, %esp\n" // "popl %ss"
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" popl %gs\n"
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" popl %fs\n"
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" popl %es\n"
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" popl %ds\n"
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" popa\n"
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" add $0x4, %esp\n"
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" iret\n");
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