Add a config.mk file where global variables can be modified, add aarch64

interrupts with IRQ and syscalls, make phys_to_virt checked, recreate
stack on aarch64, make serial console finally line wrap and have max
height correctly, add U64Buf for when i need number debug, rename mouse
and keyboard files to kmi and merge them, add non-working pl050 support

kernel/linker-aarch64.ld

@@ -23,8 +23,13 @@ SECTIONS
     . = 0xffffffff80000000;
 
     __kernel_start = .;
+
     __text_start = .;
-    .text : { *(.text .text.*) } :text
+    .text : ALIGN(0x1000) {
+        *(.text.vectors)
+        *(.text .text.*)
+    } :text
+
     . = ALIGN(CONSTANT(MAXPAGESIZE));
     __text_end = .;