feat: start of paging setup

include/myke/mem/paging.h

@@ -5,4 +5,39 @@
 #ifndef NEW_KERNEL_PAGING_H
 #define NEW_KERNEL_PAGING_H
 
+#define PAGING_MASK_4K 0xFFFFF000
+#define PAGING_MASK_4M 0xFFC00000
+
+#define DIRECTORY_PRESENT_BIT  (0)
+#define DIRECTORY_RW_BIT (1)
+#define DIRECTORY_US_BIT (2)
+#define DIRECTORY_WT_BIT (3)
+#define DIRECTORY_CACHE_BIT  (4)
+#define DIRECTORY_ACCESSED_BIT (5)
+#define DIRECTORY_PAGE_SIZE_BIT (7)
+
+#define DIRECTORY_ADDR_MASK 0xFFFFF000
+#define DIRECTORY_PRESENT_MASK (1 << DIRECTORY_PRESENT_BIT)
+#define DIRECTORY_RW_MASK (1 << DIRECTORY_RW_BIT)
+#define DIRECTORY_US_MASK (1 << DIRECTORY_US_BIT)
+#define DIRECTORY_WT_MASK (1 << DIRECTORY_WT_BIT)
+#define DIRECTORY_CACHE_MASK (1 << DIRECTORY_CACHE_BIT)
+#define DIRECTORY_ACCESSED_MASK (1 << DIRECTORY_ACCESSED_BIT)
+#define DIRECTORY_PAGE_SIZE_MASK (1 << DIRECTORY_PAGE_SIZE_BIT)
+
+#define DIRECTORY_SIZE 1024
+
+#define PAGING_MODE_4M (1 << 0)
+#define PAGING_MODE_RW (1 << 1)
+#define PAGING_MODE_US (1 << 2)
+
+#define PAGING_RESULT_OK 0
+#define PAGING_RESULT_INUSE 1
+#define PAGING_RESULT_ALIGN 2
+#define PAGING_RESULT_ERR 99
+
+typedef uint32_t page_directory_entry;
+
+typedef uint32_t page_table_entry;
+
 #endif //NEW_KERNEL_PAGING_H

include/myke/mem/vmm.h

@@ -0,0 +1,10 @@
+//
+// Created by rick on 17-10-21.
+//
+
+#ifndef NEW_KERNEL_VMM_H
+#define NEW_KERNEL_VMM_H
+
+void vmm_init(multiboot_info_t *multiboot_info);
+
+#endif //NEW_KERNEL_VMM_H