From ebc05296af4535862f6eb3fb7cdb7da4c2a3ff90 Mon Sep 17 00:00:00 2001
From: Braiden Vasco <braiden-vasco@users.noreply.github.com>
Date: Mon, 6 Nov 2017 11:09:52 +0000
Subject: [PATCH] Add functions "pic_enable_all" and "pic_disable_all"

---
 arch/pic.c       | 16 ++++++++++++++++
 arch/pic.h       |  3 +++
 arch/protected.c |  1 +
 3 files changed, 20 insertions(+)

diff --git a/arch/pic.c b/arch/pic.c
index 99c16ee..5056f23 100644
--- a/arch/pic.c
+++ b/arch/pic.c
@@ -14,6 +14,22 @@
 static unsigned char master_irq_start = 0;
 static unsigned char slave_irq_start  = 8;
 
+void pic_enable_all()
+{
+    logger_info_from("pic", "Enable all IRQs.");
+
+    outportb(MASTER_DATA, 0);
+    outportb(SLAVE_DATA,  0);
+}
+
+void pic_disable_all()
+{
+    logger_info_from("pic", "Disable all IRQs.");
+
+    outportb(MASTER_DATA, 0xFF);
+    outportb(SLAVE_DATA,  0xFF);
+}
+
 void pic_remap(const unsigned char new_master_irq_start, const unsigned char new_slave_irq_start)
 {
     logger_info_from("pic", "Remap the IRQ table.");
diff --git a/arch/pic.h b/arch/pic.h
index 7560277..a2fdcb7 100644
--- a/arch/pic.h
+++ b/arch/pic.h
@@ -3,6 +3,9 @@
 
 void pic_remap(unsigned char master_irq_start, unsigned char slave_irq_start);
 
+void pic_enable_all();
+void pic_disable_all();
+
 unsigned char pic_end_of_interrupt(unsigned char irq);
 
 #endif
diff --git a/arch/protected.c b/arch/protected.c
index 33ae965..f0bb717 100644
--- a/arch/protected.c
+++ b/arch/protected.c
@@ -54,6 +54,7 @@ void idt_flush(const struct IdtPointer *pointer);
 void protected_initialize(const struct KernelMQ_Info *const kinfo)
 {
     pic_remap(32, 40);
+    pic_enable_all();
 
     logger_info_from("protected", "Setup GDT.");