Cross Reference: /src/sys/external/bsd/libfdt/dist/fdt.c

Lines Matching refs:fdt
1 /*	$NetBSD: fdt.c,v 1.2 2019/12/22 12:41:33 skrll Exp $	*/
10 #include <fdt.h>
20 int32_t fdt_ro_probe_(const void *fdt)
22 	uint32_t totalsize = fdt_totalsize(fdt);
24 	if (fdt_magic(fdt) == FDT_MAGIC) {
26 		if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
28 		if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION)
30 	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {
32 		if (fdt_size_dt_struct(fdt) == 0)
75 int fdt_check_header(const void *fdt)
79 	if (fdt_magic(fdt) != FDT_MAGIC)
81 	hdrsize = fdt_header_size(fdt);
82 	if ((fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION)
83 	    || (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION))
85 	if (fdt_version(fdt) < fdt_last_comp_version(fdt))
88 	if ((fdt_totalsize(fdt) < hdrsize)
89 	    || (fdt_totalsize(fdt) > INT_MAX))
93 	if (!check_off_(hdrsize, fdt_totalsize(fdt), fdt_off_mem_rsvmap(fdt)))
97 	if (fdt_version(fdt) < 17) {
98 		if (!check_off_(hdrsize, fdt_totalsize(fdt),
99 				fdt_off_dt_struct(fdt)))
102 		if (!check_block_(hdrsize, fdt_totalsize(fdt),
103 				  fdt_off_dt_struct(fdt),
104 				  fdt_size_dt_struct(fdt)))
109 	if (!check_block_(hdrsize, fdt_totalsize(fdt),
110 			  fdt_off_dt_strings(fdt), fdt_size_dt_strings(fdt)))
116 const void *fdt_offset_ptr(const void *fdt, int offset, unsigned int len)
118 	unsigned absoffset = offset + fdt_off_dt_struct(fdt);
122 	    || (absoffset + len) > fdt_totalsize(fdt))
125 	if (fdt_version(fdt) >= 0x11)
127 		    || ((offset + len) > fdt_size_dt_struct(fdt)))
130 	return fdt_offset_ptr_(fdt, offset);
133 uint32_t fdt_next_tag(const void *fdt, int startoffset, int *nextoffset)
141 	tagp = fdt_offset_ptr(fdt, offset, FDT_TAGSIZE);
152 			p = fdt_offset_ptr(fdt, offset++, 1);
159 		lenp = fdt_offset_ptr(fdt, offset, sizeof(*lenp));
165 		if (fdt_version(fdt) < 0x10 && fdt32_to_cpu(*lenp) >= 8 &&
179 	if (!fdt_offset_ptr(fdt, startoffset, offset - startoffset))
186 int fdt_check_node_offset_(const void *fdt, int offset)
189 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
195 int fdt_check_prop_offset_(const void *fdt, int offset)
198 	    || (fdt_next_tag(fdt, offset, &offset) != FDT_PROP))
204 int fdt_next_node(const void *fdt, int offset, int *depth)
210 		if ((nextoffset = fdt_check_node_offset_(fdt, offset)) < 0)
215 		tag = fdt_next_tag(fdt, offset, &nextoffset);
244 int fdt_first_subnode(const void *fdt, int offset)
248 	offset = fdt_next_node(fdt, offset, &depth);
255 int fdt_next_subnode(const void *fdt, int offset)
264 		offset = fdt_next_node(fdt, offset, &depth);
284 int fdt_move(const void *fdt, void *buf, int bufsize)
286 	FDT_RO_PROBE(fdt);
288 	if (fdt_totalsize(fdt) > bufsize)
291 	memmove(buf, fdt, fdt_totalsize(fdt));
OpenGrok
