18 int fdt_ro_probe_(const void *fdt)  in fdt_ro_probe_()  argument
20 	if (fdt_magic(fdt) == FDT_MAGIC) {  in fdt_ro_probe_()
22 		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)  in fdt_ro_probe_()
24 		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)  in fdt_ro_probe_()
26 	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {  in fdt_ro_probe_()
28 		if (fdt_size_dt_struct(fdt) == 0)  in fdt_ro_probe_()
68 int fdt_check_header(const void *fdt)  in fdt_check_header()  argument
72 	if (fdt_magic(fdt) != FDT_MAGIC)  in fdt_check_header()
74 	hdrsize = fdt_header_size(fdt);  in fdt_check_header()
75 	if ((fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)  in fdt_check_header()
76 	    || (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION))  in fdt_check_header()
78 	if (fdt_version(fdt) < fdt_last_comp_version(fdt))  in fdt_check_header()
81 	if ((fdt_totalsize(fdt) < hdrsize)  in fdt_check_header()
82 	    || (fdt_totalsize(fdt) > INT_MAX))  in fdt_check_header()
86 	if (!check_off_(hdrsize, fdt_totalsize(fdt), fdt_off_mem_rsvmap(fdt)))  in fdt_check_header()
90 	if (fdt_version(fdt) < 17) {  in fdt_check_header()
91 		if (!check_off_(hdrsize, fdt_totalsize(fdt),  in fdt_check_header()
92 				fdt_off_dt_struct(fdt)))  in fdt_check_header()
95 		if (!check_block_(hdrsize, fdt_totalsize(fdt),  in fdt_check_header()
96 				  fdt_off_dt_struct(fdt),  in fdt_check_header()
97 				  fdt_size_dt_struct(fdt)))  in fdt_check_header()
102 	if (!check_block_(hdrsize, fdt_totalsize(fdt),  in fdt_check_header()
103 			  fdt_off_dt_strings(fdt), fdt_size_dt_strings(fdt)))  in fdt_check_header()
109 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)  in fdt_offset_ptr()  argument
111 	unsigned absoffset = offset + fdt_off_dt_struct(fdt);  in fdt_offset_ptr()
115 	    || (absoffset + len) > fdt_totalsize(fdt))  in fdt_offset_ptr()
118 	if (fdt_version(fdt) >= 0x11)  in fdt_offset_ptr()
120 		    || ((offset + len) > fdt_size_dt_struct(fdt)))  in fdt_offset_ptr()
123 	return fdt_offset_ptr_(fdt, offset);  in fdt_offset_ptr()
126 uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)  in fdt_next_tag()  argument
134 	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);  in fdt_next_tag()
145 			p = fdt_offset_ptr(fdt, offset++, 1);  in fdt_next_tag()
152 		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));  in fdt_next_tag()
158 		if (fdt_version(fdt) < 0x10 && fdt32_to_cpu(*lenp) >= 8 &&  in fdt_next_tag()
172 	if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))  in fdt_next_tag()
179 int fdt_check_node_offset_(const void *fdt, int offset)  in fdt_check_node_offset_()  argument
182 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))  in fdt_check_node_offset_()
188 int fdt_check_prop_offset_(const void *fdt, int offset)  in fdt_check_prop_offset_()  argument
191 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))  in fdt_check_prop_offset_()
197 int fdt_next_node(const void *fdt, int offset, int *depth)  in fdt_next_node()  argument
203 		if ((nextoffset = fdt_check_node_offset_(fdt, offset)) < 0)  in fdt_next_node()
208 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in fdt_next_node()
237 int fdt_first_subnode(const void *fdt, int offset)  in fdt_first_subnode()  argument
241 	offset = fdt_next_node(fdt, offset, &depth);  in fdt_first_subnode()
248 int fdt_next_subnode(const void *fdt, int offset)  in fdt_next_subnode()  argument
257 		offset = fdt_next_node(fdt, offset, &depth);  in fdt_next_subnode()
277 int fdt_move(const void *fdt, void *buf, int bufsize)  in fdt_move()  argument
279 	FDT_RO_PROBE(fdt);  in fdt_move()
281 	if (fdt_totalsize(fdt) > bufsize)  in fdt_move()
284 	memmove(buf, fdt, fdt_totalsize(fdt));  in fdt_move()