feat: vmm_vmap/ioremap/iounmap to make MMIO more flexible and easy

[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 eab731589745221569db2354440449e4727ab41d..db6e058fcb9941568feb55e06186d859dab65744 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/vmm.h
+++ b/lunaix-os/includes/lunaix/mm/vmm.h
@@ -103,7 +103,20 @@ vmm_mount_pd(uintptr_t mnt, void* pde);
 void*
 vmm_unmount_pd(uintptr_t mnt);
 
 void*
 vmm_unmount_pd(uintptr_t mnt);
 

+void*
+vmm_ioremap(uintptr_t paddr, size_t size);
+

 void*
 vmm_next_free(uintptr_t start, int options);
 
 void*
 vmm_next_free(uintptr_t start, int options);
 

+/**
+ * @brief 将连续的物理地址空间映射到内核虚拟地址空间
+ *
+ * @param paddr 物理地址空间的基地址
+ * @param size 物理地址空间的大小
+ * @return void*
+ */
+void*
+vmm_vmap(uintptr_t paddr, size_t size, pt_attr attr, uint32_t pattr);
+

 #endif /* __LUNAIX_VMM_H */
 #endif /* __LUNAIX_VMM_H */