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			41 lines
		
	
	
	
		
			984 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
	
		
			984 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Types.h>
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| 
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| #include <Kernel/Arch/x86/InterruptDisabler.h>
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| #include <Kernel/Arch/x86/Processor.h>
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| #include <Kernel/Arch/x86/RegisterState.h>
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| 
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| namespace Kernel {
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| 
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| struct TrapFrame {
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|     FlatPtr prev_irq_level;
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|     TrapFrame* next_trap;
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|     RegisterState* regs; // must be last
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| 
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|     TrapFrame() = delete;
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|     TrapFrame(const TrapFrame&) = delete;
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|     TrapFrame(TrapFrame&&) = delete;
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|     TrapFrame& operator=(const TrapFrame&) = delete;
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|     TrapFrame& operator=(TrapFrame&&) = delete;
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| };
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| 
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| #if ARCH(I386)
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| #    define TRAP_FRAME_SIZE (3 * 4)
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| #else
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| #    define TRAP_FRAME_SIZE (3 * 8)
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| #endif
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| 
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| static_assert(TRAP_FRAME_SIZE == sizeof(TrapFrame));
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| 
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| extern "C" void enter_trap_no_irq(TrapFrame* trap) __attribute__((used));
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| extern "C" void enter_trap(TrapFrame*) __attribute__((used));
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| extern "C" void exit_trap(TrapFrame*) __attribute__((used));
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| 
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| }
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