Use MSR to map framebuffer as WC (write-combining) = huge speed diff on real HW

src/kmain.c

@@ -4,6 +4,7 @@
  * @license GPL-3.0-only
  */
 
+#include "arch/x86.h"
 #include <stdbool.h>	
 #include <stddef.h>
 #include <limine.h>
@@ -24,6 +25,7 @@
 #include <config.h>
 #include <io/term/flanterm.h>
 #include <io/term/flanterm_backends/fb.h>
+#include <arch/x86.h>
 
 // Limine version used
 __attribute__((used, section(".limine_requests")))
@@ -112,6 +114,8 @@ void kmain()
 	serial_init();
 	timer_init();
 
+	x86_arch_init();
+
 	boot_mem_display();
 	pmm_init(boot_ctx);