X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/9406e904ddad5db2ba2dd550e21bbb224899fd79..287a5f7ae6a3bec3d679a5de394e915b56c7367d:/lunaix-os/includes/lunaix/mm/vmm.h

diff --git a/lunaix-os/includes/lunaix/mm/vmm.h b/lunaix-os/includes/lunaix/mm/vmm.h
index a0c455f..844eb0e 100644
--- a/lunaix-os/includes/lunaix/mm/vmm.h
+++ b/lunaix-os/includes/lunaix/mm/vmm.h
@@ -17,7 +17,7 @@ vmm_init();
  *
  * @return ptd_entry* 页目录的物理地址，随时可以加载进CR3
  */
-ptd_t*
+x86_page_table*
 vmm_init_pd();
 
 /**
@@ -67,6 +67,16 @@ vmm_alloc_page(void* va, pt_attr tattr);
 int
 vmm_alloc_pages(void* va, size_t sz, pt_attr tattr);
 
+/**
+ * @brief 设置一个映射，如果映射已存在，则忽略。
+ * 
+ * @param va 
+ * @param pa 
+ * @param attr 
+ */
+void
+vmm_set_mapping(void* va, void* pa, pt_attr attr);
+
 /**
  * @brief 删除一个映射
  *