mirror of
https://github.com/RGBCube/serenity
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48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Leon Albrecht <leon2002.la@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <Kernel/Interrupts/GenericInterruptHandler.h>
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namespace Kernel {
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class GenericInterruptHandeler;
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extern "C" void interrupt_common_asm_entry();
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#if ARCH(I386)
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# define INTERRUPT_HANDLER_PUSH_PADDING
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#else
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# define INTERRUPT_HANDLER_PUSH_PADDING "pushw $0\npushw $0\n"
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#endif
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// clang-format off
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#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(isr_number) \
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extern "C" void interrupt_##isr_number##_asm_entry(); \
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static void interrupt_##isr_number##_asm_entry_dummy() __attribute__((used)); \
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NEVER_INLINE void interrupt_##isr_number##_asm_entry_dummy() \
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{ \
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asm(".globl interrupt_" #isr_number "_asm_entry\n" \
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"interrupt_" #isr_number "_asm_entry:\n" \
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INTERRUPT_HANDLER_PUSH_PADDING \
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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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}
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// clang-format on
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void register_interrupt_handler(u8 number, void (*handler)());
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void register_user_callable_interrupt_handler(u8 number, void (*handler)());
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GenericInterruptHandler& get_interrupt_handler(u8 interrupt_number);
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void register_generic_interrupt_handler(u8 number, GenericInterruptHandler&);
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void unregister_generic_interrupt_handler(u8 number, GenericInterruptHandler&);
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void idt_init();
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}
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