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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Leon Albrecht <leon2002.la@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Interrupts/GenericInterruptHandler.h>
#include <AK/Platform.h>
VALIDATE_IS_X86()
namespace Kernel {
class GenericInterruptHandler;
extern "C" void interrupt_common_asm_entry();
#if ARCH(I386)
# define INTERRUPT_HANDLER_PUSH_PADDING
#else
# define INTERRUPT_HANDLER_PUSH_PADDING "pushw $0\npushw $0\n"
#endif
// clang-format off
#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(isr_number) \
extern "C" void interrupt_##isr_number##_asm_entry(); \
static void interrupt_##isr_number##_asm_entry_dummy() __attribute__((used)); \
NEVER_INLINE void interrupt_##isr_number##_asm_entry_dummy() \
{ \
asm(".globl interrupt_" #isr_number "_asm_entry\n" \
"interrupt_" #isr_number "_asm_entry:\n" \
INTERRUPT_HANDLER_PUSH_PADDING \
" pushw $" #isr_number "\n" \
" pushw $0\n" \
" jmp interrupt_common_asm_entry\n"); \
}
// clang-format on
void register_interrupt_handler(u8 number, void (*handler)());
void register_user_callable_interrupt_handler(u8 number, void (*handler)());
void register_disabled_interrupt_handler(u8 number, GenericInterruptHandler& handler);
void idt_init();
}
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