meta: rename

arch/x86_64/include/mango/machine/vm.h

@@ -0,0 +1,24 @@
+#ifndef MANGO_X86_64_VM_H_
+#define MANGO_X86_64_VM_H_
+
+/* kernel higher-half base virtual address. */
+#define VM_KERNEL_VOFFSET 0xFFFFFFFF80000000
+
+/* direct page-mapping region.
+   NOTE that these are the maximum bounds of this region.
+   the actual size depends on the amount of physical
+   memory present. */
+#define VM_PAGEMAP_BASE   0xFFFF888000000000
+#define VM_PAGEMAP_LIMIT  0xFFFFC87FFFFFFFFF
+
+#define VM_PAGE_SIZE  0x1000
+#define VM_PAGE_MASK  (VM_PAGE_SIZE-1)
+#define VM_PAGE_SHIFT 12
+
+#define VM_PAGE_MIN_ORDER VM_PAGE_4K
+#define VM_PAGE_MAX_ORDER VM_PAGE_8M
+
+#define VM_ZONE_MIN VM_ZONE_DMA
+#define VM_ZONE_MAX VM_ZONE_NORMAL
+
+#endif