|
@@ -0,0 +1,83 @@
|
|
|
|
+/*
|
|
|
|
+ * 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/InterruptManagement.h>
|
|
|
|
+#include <Kernel/Interrupts/SpuriousInterruptHandler.h>
|
|
|
|
+
|
|
|
|
+namespace Kernel {
|
|
|
|
+
|
|
|
|
+void SpuriousInterruptHandler::initialize(u8 interrupt_number)
|
|
|
|
+{
|
|
|
|
+ new SpuriousInterruptHandler(interrupt_number);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void SpuriousInterruptHandler::register_handler(GenericInterruptHandler&)
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+void SpuriousInterruptHandler::unregister_handler(GenericInterruptHandler&)
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+bool SpuriousInterruptHandler::eoi()
|
|
|
|
+{
|
|
|
|
+ // FIXME: Actually check if IRQ7 or IRQ15 are spurious, and if not, call EOI with the correct interrupt number.
|
|
|
|
+ if (interrupt_number() == 15)
|
|
|
|
+ InterruptManagement::the().eoi(7);
|
|
|
|
+ return false;
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+SpuriousInterruptHandler::SpuriousInterruptHandler(u8 irq)
|
|
|
|
+ : GenericInterruptHandler(irq)
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+SpuriousInterruptHandler::~SpuriousInterruptHandler()
|
|
|
|
+{
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void SpuriousInterruptHandler::handle_interrupt(RegisterState&)
|
|
|
|
+{
|
|
|
|
+ // FIXME: Actually check if IRQ7 or IRQ15 are spurious, and if not, call the real handler to handle the IRQ.
|
|
|
|
+ kprintf("Spurious Interrupt, vector %d\n", interrupt_number());
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void SpuriousInterruptHandler::enable_interrupt_vector()
|
|
|
|
+{
|
|
|
|
+ if (m_enabled)
|
|
|
|
+ return;
|
|
|
|
+ m_enabled = true;
|
|
|
|
+ InterruptManagement::the().enable(interrupt_number());
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void SpuriousInterruptHandler::disable_interrupt_vector()
|
|
|
|
+{
|
|
|
|
+ if (!m_enabled)
|
|
|
|
+ return;
|
|
|
|
+ m_enabled = false;
|
|
|
|
+ InterruptManagement::the().disable(interrupt_number());
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+}
|