From 2424ecaa302667a22321669a77bb7f54e90a3e13 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sun, 13 Mar 2016 15:55:40 -0400
Subject: [PATCH] Send EOI to PIC when we're done with a hardware interrupt

---
 src/Interrupts.cc | 10 ++++++++++
 src/Interrupts.hh |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/src/Interrupts.cc b/src/Interrupts.cc
index 2b8f5fa..dac2141 100644
--- a/src/Interrupts.cc
+++ b/src/Interrupts.cc
@@ -89,6 +89,13 @@ InterruptHandler::postInterrupt(uint8_t interrupt)
     asm("int %0": : "a"(interrupt));
 }
 
+
+void
+InterruptHandler::finishHardwareInterrupt(uint8_t irq)
+{
+    mPIC.endOfInterrupt(irq);
+}
+
 } /* namespace x86 */
 
 
@@ -143,4 +150,7 @@ handleKeyboardInterrupt()
 {
     auto& console = kernel::Console::systemConsole();
     console.printString("Key!\n");
+
+    auto& interruptHandler = x86::InterruptHandler::systemInterruptHandler();
+    interruptHandler.finishHardwareInterrupt(1);
 }
diff --git a/src/Interrupts.hh b/src/Interrupts.hh
index 94be2dd..1829c64 100644
--- a/src/Interrupts.hh
+++ b/src/Interrupts.hh
@@ -57,6 +57,8 @@ struct InterruptHandler
 
     void postInterrupt(uint8_t interrupt);
 
+    void finishHardwareInterrupt(uint8_t irq);
+
 private:
     PIC mPIC;
     IDT mIDT;