vma: Implement VMA.

+ acpi: Start implementation of table lookup
+ cpu: Remove useless argument to "cpu_invalidate_page"
+ cpu (x86_64): Removed "read_cr3"
+ arch/x86_64: Replace debug with trace for GDT & IDT initialization.

README.md

@@ -5,4 +5,12 @@ This is a carefully rewritten version of Soaplin, that should be held with super
 ## Features
 * Support for compiling the kernel on armv8, RISC-V, and LoongArch64 (even though the kernel doesn't do anything on these architectures)
 * Free list PMM with lazy loading
-* x86_64 paging
+* x86_64 paging
+
+## To do
+* ACPI & MADT
+* IOAPIC / LAPIC
+* SMP
+* Multithreaded scheduler
+* VFS
+* Tar file system