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	 d14c2a3583
			
		
	
	
		d14c2a3583
		
	
	
	
	
		
			
			Upgrade to GCC 13.1.0 triggered an UBSAN in PCIIRQHandler. Moving the handle_interrupt() function out-of-line fixes this issue.
		
			
				
	
	
		
			47 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Pankaj R <dev@pankajraghav.com>
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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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| #include <Kernel/Arch/IRQController.h>
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| #include <Kernel/Bus/PCI/Device.h>
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| #include <Kernel/Interrupts/GenericInterruptHandler.h>
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| #include <Kernel/Library/LockRefPtr.h>
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| 
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| namespace Kernel {
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| 
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| class PCIIRQHandler : public GenericInterruptHandler {
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| public:
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|     virtual ~PCIIRQHandler() = default;
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| 
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|     virtual bool handle_interrupt(RegisterState const& regs) override;
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|     virtual bool handle_irq(RegisterState const&) = 0;
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| 
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|     void enable_irq();
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|     void disable_irq();
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| 
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|     virtual bool eoi() override;
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| 
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|     virtual HandlerType type() const override { return HandlerType::IRQHandler; }
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|     virtual StringView purpose() const override { return "IRQ Handler"sv; }
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|     virtual StringView controller() const override { return m_responsible_irq_controller.is_null() ? "PCI-MSI"sv : m_responsible_irq_controller->model(); }
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| 
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|     virtual size_t sharing_devices_count() const override { return 0; }
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|     virtual bool is_shared_handler() const override { return false; }
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|     void set_shared_with_others(bool status) { m_shared_with_others = status; }
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| 
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| protected:
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|     PCIIRQHandler(PCI::Device& device, u8 irq);
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| 
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| private:
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|     bool m_shared_with_others { false };
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|     bool m_enabled { false };
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|     LockRefPtr<IRQController> m_responsible_irq_controller { nullptr };
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|     PCI::Device& device;
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| };
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| 
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| }
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