From 7304e20731980078a7bfe138a20a8d13653fed7b Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 27 Feb 2021 18:24:38 +0100
Subject: Started basic paging port from skiftOS

---
 libc/cpu.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'libc/cpu.c')

diff --git a/libc/cpu.c b/libc/cpu.c
index 08e742c..b74ed57 100644
--- a/libc/cpu.c
+++ b/libc/cpu.c
@@ -70,26 +70,31 @@ void cpu_print(void)
 	printf("CPU vendor: %s\n", cpu_string(buf));
 }
 
-static u32 cr0_get(void)
+u32 cr0_get(void)
 {
 	u32 cr0;
 	__asm__ volatile("movl %%cr0, %%eax" : "=a"(cr0));
 	return cr0;
 }
 
-static void cr0_set(u32 cr0)
+void cr0_set(u32 cr0)
 {
 	__asm__ volatile("movl %%eax, %%cr0" ::"a"(cr0));
 }
 
-static u32 cr4_get(void)
+void cr3_set(u32 cr3)
+{
+	__asm__ volatile("movl %%eax, %%cr3" ::"a"(cr3));
+}
+
+u32 cr4_get(void)
 {
 	u32 cr4;
 	__asm__ volatile("movl %%cr4, %%eax" : "=a"(cr4));
 	return cr4;
 }
 
-static void cr4_set(u32 cr4)
+void cr4_set(u32 cr4)
 {
 	__asm__ volatile("movl %%eax, %%cr4" ::"a"(cr4));
 }
-- 
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