Kernel: Add UnhandledInterruptHandler class

This class will be used to represent an IRQ vector handler that wasn't
assigned to any IRQ Handler.

Kernel/Interrupts/UnhandledInterruptHandler.cpp

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <Kernel/Interrupts/UnhandledInterruptHandler.h>
+
+namespace Kernel {
+UnhandledInterruptHandler::UnhandledInterruptHandler(u8 interrupt_vector)
+    : GenericInterruptHandler(interrupt_vector)
+{
+}
+
+void UnhandledInterruptHandler::handle_interrupt(RegisterState&)
+{
+    dbg() << "Interrupt: Unhandled vector " << interrupt_number() << " was invoked for handle_interrupt(RegisterState&).";
+    hang();
+}
+
+[[noreturn]] bool UnhandledInterruptHandler::eoi()
+{
+    dbg() << "Interrupt: Unhandled vector " << interrupt_number() << " was invoked for eoi().";
+    hang();
+}
+
+UnhandledInterruptHandler::~UnhandledInterruptHandler()
+{
+}
+}

Kernel/Interrupts/UnhandledInterruptHandler.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <AK/Types.h>
+#include <Kernel/Arch/i386/CPU.h>
+#include <Kernel/Interrupts/GenericInterruptHandler.h>
+
+namespace Kernel {
+class UnhandledInterruptHandler final : public GenericInterruptHandler {
+public:
+    explicit UnhandledInterruptHandler(u8 interrupt_vector);
+    virtual ~UnhandledInterruptHandler();
+
+    virtual void handle_interrupt(RegisterState&) override;
+
+    virtual bool eoi() override;
+
+    virtual HandlerPurpose purpose() const override { return HandlerPurpose::UnhandledInterruptHandler; }
+
+    virtual size_t get_sharing_devices_count() const override { return 0; }
+    virtual bool is_shared_handler() const override { return false; }
+    virtual bool is_sharing_with_others() const override { return false; }
+
+private:
+};
+}