Add a WIP VMM

As of now the VMM (pretty much a doubly linked list of regions) supports allocating and demand paging. still no deallocation though so if you allocate something you can't free it yet :')

src/arch/x86_64/cls.c

@@ -3,10 +3,11 @@
 #include <stdint.h>
 
 cls_t bspcls;
-
+vmm_context initialvmmcontext;
 
 void arch_setcls(cls_t* addr){
 	wrmsr(MSR_GSBASE, (uint64_t)addr);
+	wrmsr(MSR_KERNELGSBASE, (uint64_t)addr);
 }
 
 cls_t* arch_getcls(){
@@ -15,4 +16,5 @@ cls_t* arch_getcls(){
 
 void bsp_setcls(){
 	arch_setcls(&bspcls);
+	bspcls.context = &initialvmmcontext;
 }