sfxge/common/hunt_nvram.c

56 	__in			tlv_cursor_t *cursor);
64 	__in	tlv_cursor_t	*cursor)
68 	dword = cursor->current[0];
76 	__in	tlv_cursor_t	*cursor)
80 	if (tlv_tag(cursor) == TLV_TAG_END)
83 	dword = cursor->current[1];
91 	__in	tlv_cursor_t	*cursor)
93 	if (tlv_tag(cursor) == TLV_TAG_END)
96 	return ((uint8_t *)(&cursor->current[2]));
101 	__in	tlv_cursor_t	*cursor)
103 	if (tlv_tag(cursor) == TLV_TAG_END)
106 	return ((uint8_t *)cursor->current);
119 	__in	tlv_cursor_t	*cursor)
123 	length = tlv_length(cursor);
125 	return (cursor->current + TLV_DWORD_COUNT(length));
130 	__in	tlv_cursor_t	*cursor)
134 	if ((rc = tlv_validate_state(cursor)) != 0)
137 	if (cursor->current == cursor->end) {
139 		cursor->current = NULL;
145 	cursor->current = tlv_next_item_ptr(cursor);
147 	if ((rc = tlv_validate_state(cursor)) != 0)
164 	__in	tlv_cursor_t	*cursor)
168 	cursor->current = cursor->block;
170 	if ((rc = tlv_validate_state(cursor)) != 0)
183 	__in	tlv_cursor_t	*cursor,
188 	rc = tlv_rewind(cursor);
190 		if (tlv_tag(cursor) == tag)
193 		rc = tlv_advance(cursor);
200 	__in	tlv_cursor_t	*cursor)
204 	/* Check cursor position */
205 	if (cursor->current < cursor->block) {
209 	if (cursor->current > cursor->limit) {
214 	if (tlv_tag(cursor) != TLV_TAG_END) {
216 		if (cursor->current > (cursor->limit - 2)) {
217 			cursor->current = NULL;
223 		if (tlv_next_item_ptr(cursor) > (cursor->limit - 1)) {
224 			cursor->current = NULL;
246 	__in	tlv_cursor_t	*cursor,
250 	cursor->block	= block;
251 	cursor->limit	= limit;
253 	cursor->current	= cursor->block;
254 	cursor->end	= NULL;
256 	return (tlv_validate_state(cursor));
261 	__in	tlv_cursor_t	*cursor,
267 	return (tlv_init_cursor(cursor, (uint32_t *)block, limit));
272 	__in	tlv_cursor_t	*cursor)
277 	if (cursor->end == NULL) {
278 		pos = cursor->current;
279 		if ((rc = tlv_find(cursor, TLV_TAG_END)) != 0)
282 		cursor->end = cursor->current;
283 		cursor->current = pos;
296 	__in	tlv_cursor_t	*cursor)
300 	if ((rc = tlv_validate_state(cursor)) != 0)
303 	if ((rc = tlv_require_end(cursor)) != 0)
307 	return (cursor->end + 1 - cursor->block) * sizeof (uint32_t);
320 	__in			tlv_cursor_t *cursor,
328 	ptr = cursor->current;
344 	__in	tlv_cursor_t	*cursor,
352 	if ((rc = tlv_validate_state(cursor)) != 0)
355 	if ((rc = tlv_require_end(cursor)) != 0)
364 	if (cursor->end + 1 + delta > cursor->limit) {
369 	/* Move data up: new space at cursor->current */
370 	memmove(cursor->current + delta, cursor->current,
371 	    (cursor->end + 1 - cursor->current) * sizeof (uint32_t));
374 	cursor->end += delta;
377 	tlv_write(cursor, tag, data, size);
395 	__in	tlv_cursor_t	*cursor,
406 	if ((rc = tlv_validate_state(cursor)) != 0)
409 	if (tlv_tag(cursor) == TLV_TAG_END) {
413 	if (tlv_tag(cursor) != tag) {
418 	old_ndwords = TLV_DWORD_COUNT(tlv_length(cursor));
421 	if ((rc = tlv_require_end(cursor)) != 0)
427 		pos = cursor->current + old_ndwords;
429 		if (cursor->end + 1 + delta > cursor->limit) {
434 		/* Move up: new space at (cursor->current + old_ndwords) */
436 		    (cursor->end + 1 - pos) * sizeof (uint32_t));
439 		cursor->end += delta;
444 		pos = cursor->current + new_ndwords;
446 		/* Move down: remove words at (cursor->current + new_ndwords) */
448 		    (cursor->end + 1 - pos) * sizeof (uint32_t));
451 		memset(cursor->end + 1 - delta, 0, delta * sizeof (uint32_t));
454 		cursor->end -= delta;
458 	tlv_write(cursor, tag, data, size);
484 	tlv_cursor_t cursor;
500 	if ((rc = tlv_init_cursor_from_size(&cursor, partn_data,
505 	if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
509 	header = (struct tlv_partition_header *)tlv_item(&cursor);
519 	if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
523 	trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
525 	if ((rc = tlv_advance(&cursor)) != 0) {
529 	if (tlv_tag(&cursor) != TLV_TAG_END) {
582 	tlv_cursor_t cursor;
604 	if ((rc = tlv_init_cursor_from_size(&cursor, partn_data,
609 	if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
613 	header = (struct tlv_partition_header *)tlv_item(&cursor);
632 	if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
636 	trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
638 	if ((rc = tlv_advance(&cursor)) != 0) {
642 	if (tlv_tag(&cursor) != TLV_TAG_END) {
710 	tlv_cursor_t cursor;
722 	if ((rc = tlv_init_cursor_from_size(&cursor, partn_data,
727 	if ((rc = tlv_find(&cursor, tag)) != 0) {
731 	value = tlv_value(&cursor);
732 	length = tlv_length(&cursor);
855 	tlv_cursor_t cursor;
864 	if ((rc = tlv_init_cursor_from_size(&cursor, partn_data,
869 	if (tlv_tag(&cursor) != TLV_TAG_PARTITION_HEADER) {
873 	header = (struct tlv_partition_header *)tlv_item(&cursor);
876 	if ((rc = tlv_find(&cursor, tag)) == 0) {
878 		if ((rc = tlv_modify(&cursor, tag,
883 		rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER);
888 		if ((rc = tlv_insert(&cursor, tag,
896 	if ((rc = tlv_find(&cursor, TLV_TAG_PARTITION_TRAILER)) != 0) {
900 	trailer = (struct tlv_partition_trailer *)tlv_item(&cursor);
903 	*total_lengthp = tlv_block_length_used(&cursor);