usr.bin/dtc/fdt.cc

259 property::parse_string(text_input_buffer &input)
262 	assert(*input == '"');
263 	++input;
266 	while (char c = *input)
270 			input.consume('"');
275 		++input;
282 property::parse_cells(text_input_buffer &input, int cell_size)
284 	assert(*input == '<');
285 	++input;
287 	input.next_token();
288 	while (!input.consume('>'))
290 		input.next_token();
293 		if (input.consume('&'))
297 				input.parse_error("reference only permitted in 32-bit arrays");
301 			input.next_token();
303 			if (!input.consume('{'))
305 				referenced = input.parse_node_name();
309 				referenced = input.parse_to('}');
310 				input.consume('}');
314 				input.parse_error("Expected node name");
318 			input.next_token();
336 			if (!input.consume_integer_expression(val))
338 				input.parse_error("Expected numbers in array of cells");
359 			input.next_token();
370 property::parse_bytes(text_input_buffer &input)
372 	assert(*input == '[');
373 	++input;
375 	input.next_token();
376 	while (!input.consume(']'))
383 			if (!input.consume_hex_byte(val))
385 				input.parse_error("Expected hex bytes in array of bytes");
390 			input.next_token();
397 property::parse_reference(text_input_buffer &input)
399 	assert(*input == '&');
400 	++input;
401 	input.next_token();
403 	v.string_data = input.parse_node_name();
406 		input.parse_error("Expected node name");
456 void property::parse_define(text_input_buffer &input, define_map *defines)
458 	input.consume('$');
461 		input.parse_error("No predefined properties to match name\n");
465 	string name = input.parse_property_name();
470 		input.parse_error("Undefined property name\n");
477 property::property(text_input_buffer &input,
484 		input.next_token();
485 		switch (*input)
489 				parse_define(input, defines);
497 				input.parse_error("Invalid property value.");
502 				if (input.consume("/incbin/(\""))
504 					auto loc = input.location();
505 					std::string filename = input.parse_to('"');
506 					if (!(valid = input.consume('"')))
512 					if (!(valid = input.read_binary_file(filename, v.byte_data)))
514 						input.parse_error("Cannot open binary include file");
517 					if (!(valid &= input.consume(')')))
519 						input.parse_error("Syntax error, expected ')' to terminate /incbin/(");
526 				valid = input.consume("/bits/");
527 				input.next_token();
528 				valid &= input.consume_integer(bits);
533 					input.parse_error("Invalid size for elements");
537 				input.next_token();
538 				if (*input != '<')
540 					input.parse_error("/bits/ directive is only valid on arrays");
544 				parse_cells(input, bits);
548 				parse_string(input);
551 				parse_cells(input, 32);
554 				parse_bytes(input);
557 				parse_reference(input);
564 		input.next_token();
565 	} while (input.consume(','));
566 	if (semicolonTerminated && !input.consume(';'))
568 		input.parse_error("Expected ; at end of property");
585 property::parse(text_input_buffer &input, string &&key, string_set &&label,
588 	property_ptr p(new property(input,
710 node::parse_name(text_input_buffer &input, bool &is_property, const char *error)
716 	input.next_token();
719 		return input.parse_property_name();
721 	string n = input.parse_node_or_property_name(is_property);
726 			input.parse_error(error);
851 node::node(text_input_buffer &input,
859 	if (!input.consume('{'))
861 		input.parse_error("Expected { to start new device tree node.\n");
863 	input.next_token();
864 	while (valid && !input.consume('}'))
878 				input.parse_error(expected);
882 			input.next_token();
883 			if (at && input.consume('@'))
886 				child_name += parse_name(input, is_property, "Expected unit address");
888 			if (!input.consume(';'))
890 				input.parse_error("Expected semicolon");
894 			input.next_token();
896 		if (input.consume("/delete-node/"))
898 			input.next_token();
899 			child_name = input.parse_node_name();
907 		if (input.consume("/delete-property/"))
909 			input.next_token();
910 			child_name = input.parse_property_name();
918 		if (input.consume("/omit-if-no-ref/"))
920 			input.next_token();
924 		child_name = parse_name(input, is_property,
926 		while (input.consume(':'))
932 			child_name = parse_name(input, is_property, "Expected property or node name");
934 		if (input.consume('@'))
936 			child_address = parse_name(input, is_property, "Expected unit address");
942 		input.next_token();
944 		if (input.consume('='))
946 			property_ptr p = property::parse(input, std::move(child_name),
957 		else if (!is_property && *input == ('{'))
959 			node_ptr child = node::parse(input, tree, std::move(child_name),
971 		else if (input.consume(';'))
977 			input.parse_error("Error parsing property.  Expected property value");
980 		input.next_token();
982 	input.next_token();
983 	input.consume(';');
1014 node::parse(text_input_buffer &input,
1021 	node_ptr n(new node(input,
1560 device_tree::parse_file(text_input_buffer &input,
1564 	input.next_token();
1566 	while (input.consume("/dts-v1/;"))
1569 		input.next_token();
1571 	if (input.consume("/plugin/;"))
1575 	input.next_token();
1578 		input.parse_error("Expected /dts-v1/; version string");
1581 	while (input.consume("/memreserve/"))
1584 		input.next_token();
1586 		if (!(input.consume_integer_expression(start) &&
1587 		    (input.next_token(),
1588 		    input.consume_integer_expression(len))))
1590 			input.parse_error("Expected size on /memreserve/ node.");
1596 		input.next_token();
1597 		input.consume(';');
1598 		input.next_token();
1600 	while (valid && !input.finished())
1603 		if (input.consume('/'))
1605 			input.next_token();
1606 			n = node::parse(input, *this, string(), string_set(), string(), &defines);
1608 		else if (input.consume('&'))
1610 			input.next_token();
1616 			if (input.consume('{') && is_plugin)
1618 				name = input.parse_to('}');
1619 				input.consume('}');
1624 				name = input.parse_node_name();
1626 			input.next_token();
1627 			n = node::parse(input, *this, std::move(name), string_set(), string(), &defines);
1635 			input.parse_error("Failed to find root node /.");
1645 		input.next_token();
1776 	input_buffer &input = *in;
1778 	valid = h.read_dtb(input);
1790 		input.buffer_from_offset(h.off_mem_rsvmap, 0);
1807 		input.buffer_from_offset(h.off_dt_struct, h.size_dt_struct);
1809 		input.buffer_from_offset(h.off_dt_strings, h.size_dt_strings);
1943 	text_input_buffer input(std::move(in),
1950 	parse_file(input, roots, read_header);
1955 			input.parse_error("Failed to find root node /.");
1962 				input.parse_error("Failed to find root node /.");
1972 				input.parse_error("Failed to find root node /.");