Merge branch 'master' of github.com:Minep/lunaix-os

[lunaix-os.git] / 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 5d88f3c75b7f5e45a826de5db480beaa7ab46ad6..bd074c54d41b2466e1455fa7c0e8aee365d6384a 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/vmm.h
+++ b/lunaix-os/includes/lunaix/mm/vmm.h
@@ -7,7 +7,16 @@
 // Virtual memory manager
 
 #define VMAP_NULL 0
+/**
+ * @brief 映射模式：忽略已存在映射
+ *
+ */
 #define VMAP_IGNORE 1
+/**
+ * @brief 映射模式：不作实际映射。该功能用于预留出特定的地址空间
+ *
+ */
+#define VMAP_NOMAP 2
 
 /**
  * @brief 初始化虚拟内存管理器
@@ -69,6 +78,9 @@ vmm_lookup(uintptr_t va, v_mapping* mapping);
 void*
 vmm_dup_page(pid_t pid, void* pa);
 
+void*
+vmm_dup_vmspace(pid_t pid);
+
 /**
  * @brief 挂载另一个虚拟地址空间至当前虚拟地址空间
  *