From 4546c75d685475d8b9f215b588364e1d1bbd0b79 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 29 Apr 2020 19:21:29 +0200
Subject: MUCH work in libc

Also cleaned up some syscalls etc
---
 src/kernel/memory/paging.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/kernel/memory/paging.c')

diff --git a/src/kernel/memory/paging.c b/src/kernel/memory/paging.c
index 9075d1d..ed06004 100644
--- a/src/kernel/memory/paging.c
+++ b/src/kernel/memory/paging.c
@@ -43,6 +43,17 @@ void set_cr0(uint32_t cr0)
 	asm volatile("movl %%eax, %%cr0" ::"a"(cr0));
 }
 
+void paging_disable()
+{
+	set_cr0(get_cr0() | 0x7fffffff);
+}
+
+void paging_enable()
+{
+	set_cr3(paging_current_directory);
+	set_cr0(get_cr0() | 0x80000000);
+}
+
 void paging_switch_directory(struct page_directory *dir)
 {
 	set_cr3(dir);
-- 
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