0a2d5a4e90
1. elfloader for shared object example: TencentOS-tiny\examples\elfloader_shared_object keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_shared_object 2. elfloader for relocatable object: example: TencentOS-tiny\examples\elfloader_relocatable_object keil: TencentOS-tiny\board\TencentOS_tiny_EVB_MX_Plus\KEIL\elfloader_relocatable_object 3. TODO: - add icache/dcache flush when module is loaded - support more relocation type in elfloader_arch_relocate
73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#ifndef _TOS_VFS_INODE_H_
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#define _TOS_VFS_INODE_H_
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// why your inode's name so long?
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#define VFS_INODE_NAME_MAX 31
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typedef union vfs_inode_operations_un {
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vfs_chrdev_ops_t *cd_ops;
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vfs_blkdev_ops_t *bd_ops;
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vfs_fs_ops_t *fs_ops;
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} vfs_inode_ops_t;
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#define VFS_INODE_TYPE_CHAR_DEVICE 0x00000000
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#define VFS_INODE_TYPE_BLOCK_DEVICE 0x00000001
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#define VFS_INODE_TYPE_FILESYSTEM 0x00000002
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#define VFS_INODE_TYPE_UNUSED 0x00000003
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#define VFS_INODE_TYPE_SET(inode, _type) \
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((inode)->type = _type)
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#define VFS_INODE_IS_TYPE(inode, _type) \
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((inode)->type == _type)
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#define VFS_INODE_IS_CHAR_DEVICE(inode) VFS_INODE_IS_TYPE(inode, VFS_INODE_TYPE_CHAR_DEVICE)
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#define VFS_INODE_IS_BLOCK_DEVICE(inode) VFS_INODE_IS_TYPE(inode, VFS_INODE_TYPE_BLOCK_DEVICE)
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#define VFS_INODE_IS_FILESYSTEM(inode) VFS_INODE_IS_TYPE(inode, VFS_INODE_TYPE_FILESYSTEM)
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#define VFS_INODE_IS_DEVICE(inode) (VFS_INODE_IS_BLOCK_DEVICE(inode) || VFS_INODE_IS_CHAR_DEVICE(inode))
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#define VFS_INODE_REFS_MAX (0x3F)
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typedef struct vfs_inode_st {
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uint8_t type : 2; /*< now we only support three kind of inode */
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uint8_t refs : 6; /*< max 0x3F */
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vfs_inode_ops_t ops;
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void *private;
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k_list_t list;
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char name[1];
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} vfs_inode_t;
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#define VFS_INODE_SIZE(name_len) (sizeof(vfs_inode_t) + name_len)
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__KNL__ int vfs_inode_is_busy(vfs_inode_t *inode);
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__KNL__ void vfs_inode_refinc(vfs_inode_t *inode);
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__KNL__ vfs_inode_t *vfs_inode_find(const char *path, const char **relative_path);
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__KNL__ vfs_inode_t *vfs_inode_alloc(const char *name);
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__KNL__ void vfs_inode_free(vfs_inode_t *inode);
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__KNL__ void vfs_inode_release(vfs_inode_t *inode);
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#endif /* _TOS_VFS_INODE_H_ */
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