meta: rename

2024-11-02 11:31:51 +00:00
parent 065fdeec65
commit 62ec4c93ab
140 changed files with 422 additions and 857 deletions
@@ -0,0 +1,34 @@
+#ifndef MANGO_USER_VM_H_
+#define MANGO_USER_VM_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern uintptr_t __pagemap_base(void);
+extern uintptr_t __pagemap_limit(void);
+
+/* kernel higher-half base virtual address. */
+#define VM_KERNEL_VOFFSET (__pagemap_base())
+
+/* 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   (__pagemap_base())
+#define VM_PAGEMAP_LIMIT  (__pagemap_limit())
+
+#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
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif