Squash commits for public release

boot/arm64/prekernel/vm.h

@@ -0,0 +1,25 @@
+#ifndef _BOOT_VM_H
+#define _BOOT_VM_H
+
+#include <libboot/abi/memory.h>
+#include <libboot/abi/rawimage.h>
+#include <libboot/types.h>
+
+#define VMM_LV0_ENTITY_COUNT (512)
+#define VMM_LV1_ENTITY_COUNT (512)
+#define VMM_LV2_ENTITY_COUNT (512)
+#define VMM_LV3_ENTITY_COUNT (512)
+
+#define PTABLE_LV_TOP (2)
+#define PTABLE_LV0_VADDR_OFFSET (12)
+#define PTABLE_LV1_VADDR_OFFSET (21)
+#define PTABLE_LV2_VADDR_OFFSET (30)
+#define PTABLE_LV3_VADDR_OFFSET (39)
+
+#define VM_VADDR_OFFSET_AT_LEVEL(vaddr, off, ent) ((vaddr >> off) % ent)
+
+static size_t page_size() { return 0x1000; }
+
+void vm_setup(uintptr_t base, boot_args_t* args, rawimage_header_t* riheader);
+
+#endif // _BOOT_VM_H