From e1e75aa387b1bc2b80df1895131fa9d446bba9ac Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Tue, 13 Apr 2021 18:09:43 +0200
Subject: Cleaning code

---
 src/core/paging.h | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'src/core/paging.h')

diff --git a/src/core/paging.h b/src/core/paging.h
index ad3671e..1526101 100644
--- a/src/core/paging.h
+++ b/src/core/paging.h
@@ -3,19 +3,24 @@
 
 #define PAGING_CR0_BIT 0x80000000
 #define PAGING_PAGE_SIZE 4096
-#define PAGING_MAX_PAGES 2048
+#define PAGING_MAX_PAGES 2048 // At least 1024 for the kernel
 #if PAGING_MAX_PAGES%1024>0
     #define PAGING_MAX_DIR_ENTRY PAGING_MAX_PAGES/1024+1
 #else
     #define PAGING_MAX_DIR_ENTRY PAGING_MAX_PAGES/1024
 #endif
 
-/*
+/**
  * Configure and enable paging
  */
 void paging_enable();
-
+/**
+ * Allocate a new page and return its address
+ */
 char* paging_allocate_next_page();
+/**
+ * Set usage status of a page
+ */
 void paging_set_usage(int addr,char state);
 /**
  * Create a new page directory containing
@@ -23,4 +28,8 @@ void paging_set_usage(int addr,char state);
  */
 char *paging_allocate(int p);
 void paging_dump(int min,int max);
+/**
+ * Handler of page fault
+ */
+void paging_page_fault();
 #endif
\ No newline at end of file
-- 
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