58 int fdt_check_header(const void *fdt)  in fdt_check_header()  argument
60 	if (fdt_magic(fdt) == FDT_MAGIC) {  in fdt_check_header()
62 		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)  in fdt_check_header()
64 		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)  in fdt_check_header()
66 	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {  in fdt_check_header()
68 		if (fdt_size_dt_struct(fdt) == 0)  in fdt_check_header()
77 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)  in fdt_offset_ptr()  argument
79 	unsigned absoffset = offset + fdt_off_dt_struct(fdt);  in fdt_offset_ptr()
83 	    || (absoffset + len) > fdt_totalsize(fdt))  in fdt_offset_ptr()
86 	if (fdt_version(fdt) >= 0x11)  in fdt_offset_ptr()
88 		    || ((offset + len) > fdt_size_dt_struct(fdt)))  in fdt_offset_ptr()
91 	return _fdt_offset_ptr(fdt, offset);  in fdt_offset_ptr()
94 uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)  in fdt_next_tag()  argument
102 	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);  in fdt_next_tag()
113 			p = fdt_offset_ptr(fdt, offset++, 1);  in fdt_next_tag()
120 		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));  in fdt_next_tag()
137 	if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))  in fdt_next_tag()
144 int _fdt_check_node_offset(const void *fdt, int offset)  in _fdt_check_node_offset()  argument
147 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))  in _fdt_check_node_offset()
153 int _fdt_check_prop_offset(const void *fdt, int offset)  in _fdt_check_prop_offset()  argument
156 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))  in _fdt_check_prop_offset()
162 int fdt_next_node(const void *fdt, int offset, int *depth)  in fdt_next_node()  argument
168 		if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)  in fdt_next_node()
173 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in fdt_next_node()
202 int fdt_first_subnode(const void *fdt, int offset)  in fdt_first_subnode()  argument
206 	offset = fdt_next_node(fdt, offset, &depth);  in fdt_first_subnode()
213 int fdt_next_subnode(const void *fdt, int offset)  in fdt_next_subnode()  argument
222 		offset = fdt_next_node(fdt, offset, &depth);  in fdt_next_subnode()
242 int fdt_move(const void *fdt, void *buf, int bufsize)  in fdt_move()  argument
244 	FDT_CHECK_HEADER(fdt);  in fdt_move()
246 	if (fdt_totalsize(fdt) > bufsize)  in fdt_move()
249 	memmove(buf, fdt, fdt_totalsize(fdt));  in fdt_move()