From 56a16b9ea5429cd4ca7e7ccdfbbe0a2df430f04c Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Tue, 13 Nov 2018 18:02:47 +0100
Subject: [PATCH] Add empty pagefault handler

---
 core/exception_handler.c | 7 +++++++
 core/interrupt.h         | 1 +
 core/main.c              | 1 +
 3 files changed, 9 insertions(+)

diff --git a/core/exception_handler.c b/core/exception_handler.c
index d130c13..64aeca0 100644
--- a/core/exception_handler.c
+++ b/core/exception_handler.c
@@ -10,3 +10,10 @@ __attribute__((interrupt)) void print_handler(struct interrupt_frame *frame, ulo
         (void)frame;
         (void)error_code;
 }
+
+__attribute__((interrupt)) void pagefault_handler(struct interrupt_frame *frame, ulong error_code){
+        printStringDetails("PAGE FAULT", RED, BLACK, 0, VGA_HEIGHT - 1);
+        printIntDetails(error_code, RED, BLACK, 11, VGA_HEIGHT - 1);
+        (void)frame;
+        (void)error_code;
+}
diff --git a/core/interrupt.h b/core/interrupt.h
index 9e90171..7bef8c9 100644
--- a/core/interrupt.h
+++ b/core/interrupt.h
@@ -5,6 +5,7 @@ struct interrupt_frame;
 
 //Exception
 void print_handler(struct interrupt_frame *frame, ulong error_code);
+void pagefault_handler(struct interrupt_frame *frame, ulong error_code);
 
 //IRQ
 void keyboard_handler(struct interrupt_frame *frame);
diff --git a/core/main.c b/core/main.c
index eece175..026481e 100644
--- a/core/main.c
+++ b/core/main.c
@@ -73,6 +73,7 @@ void kmain(unsigned long magic, unsigned long addr)
 
     printf("Enabling HW interrupts\n");
     exceptionSetRoutine(EXCEPTION_DOUBLE_FAULT, print_handler);
+    exceptionSetRoutine(EXCEPTION_PAGE_FAULT, pagefault_handler);
     // Enabling the HW interrupts
     asm volatile("sti\n");