feat: spec-compliant AHCI HBA initialization

[lunaix-os.git] / lunaix-os / includes / lunaix / mm / mm.h

diff --git a/lunaix-os/includes/lunaix/mm/mm.h b/lunaix-os/includes/lunaix/mm/mm.h
index 2ea1ac27b41c74c7d1d5e22f3d7ee675e8304089..6585916e4136d48cb2c0afa96ac341c4babfb65f 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/mm.h
+++ b/lunaix-os/includes/lunaix/mm/mm.h
@@ -4,7 +4,7 @@
 #include <lunaix/ds/llist.h>
 #include <lunaix/ds/mutex.h>
 
-typedef struct 
+typedef struct
 {
     void* start;
     void* brk;
@@ -14,30 +14,42 @@ typedef struct
 
 /**
  * @brief 私有区域，该区域中的页无法进行任何形式的共享。
- * 
+ *
  */
-#define REGION_PRIVATE      0x0
+#define REGION_PRIVATE 0x0
 
 /**
- * @brief 读共享区域，该区域中的页可以被两个进程之间读共享，但任何写操作须应用Copy-On-Write
- * 
+ * @brief
+ * 读共享区域，该区域中的页可以被两个进程之间读共享，但任何写操作须应用Copy-On-Write
+ *
  */
-#define REGION_RSHARED      0x1
+#define REGION_RSHARED 0x1
 
 /**
- * @brief 写共享区域，该区域中的页可以被两个进程之间读共享，任何的写操作无需执行Copy-On-Write
- * 
+ * @brief
+ * 写共享区域，该区域中的页可以被两个进程之间读共享，任何的写操作无需执行Copy-On-Write
+ *
  */
-#define REGION_WSHARED      0x2
+#define REGION_WSHARED 0x2
 
-#define REGION_TYPE_CODE    (0)
-#define REGION_TYPE_DATA    (1 << 2)
+#define REGION_PERM_MASK 0x1c
+#define REGION_MODE_MASK 0x3
+
+#define REGION_READ (1 << 2)
+#define REGION_WRITE (1 << 3)
+#define REGION_EXEC (1 << 4)
+#define REGION_RW REGION_READ | REGION_WRITE
+
+#define REGION_TYPE_CODE (1 << 16);
+#define REGION_TYPE_GENERAL (2 << 16);
+#define REGION_TYPE_HEAP (3 << 16);
+#define REGION_TYPE_STACK (4 << 16);
 
 struct mm_region
 {
-    struct llist_header* head;
-    void* start;
-    void* end;
+    struct llist_header head;
+    unsigned long start;
+    unsigned long end;
     unsigned int attr;
 };