powerpc/kernel/prom_init.c

2484 static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,
2490 	while ((*mem_start + needed) > *mem_end) {
2505 		*mem_end = chunk + room;
2514 #define dt_push_token(token, mem_start, mem_end) do { 			\
2515 		void *room = make_room(mem_start, mem_end, 4, 4);	\
2541 					 unsigned long *mem_end)
2553 		namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);
2582 		scan_dt_build_strings(child, mem_start, mem_end);
2588 					unsigned long *mem_end)
2597 	dt_push_token(OF_DT_BEGIN_NODE, mem_start, mem_end);
2601 	room = *mem_end - *mem_start;
2608 			if (l >= *mem_end - *mem_start)
2609 				namep = make_room(mem_start, mem_end, l+1, 1);
2664 		dt_push_token(OF_DT_PROP, mem_start, mem_end);
2665 		dt_push_token(l, mem_start, mem_end);
2666 		dt_push_token(soff, mem_start, mem_end);
2669 		valp = make_room(mem_start, mem_end, l, 4);
2683 			dt_push_token(OF_DT_PROP, mem_start, mem_end);
2684 			dt_push_token(4, mem_start, mem_end);
2685 			dt_push_token(soff, mem_start, mem_end);
2686 			valp = make_room(mem_start, mem_end, 4, 4);
2694 		scan_dt_build_struct(child, mem_start, mem_end);
2698 	dt_push_token(OF_DT_END_NODE, mem_start, mem_end);
2704 	unsigned long mem_start, mem_end, room;
2722 	mem_end = mem_start + room;
2731 	hdr = make_room(&mem_start, &mem_end,
2734 	rsvmap = make_room(&mem_start, &mem_end, sizeof(mem_reserve_map), 8);
2742 	namep = make_room(&mem_start, &mem_end, 16, 1);
2748 	scan_dt_build_strings(root, &mem_start, &mem_end);
2755 	scan_dt_build_struct(root, &mem_start, &mem_end);
2756 	dt_push_token(OF_DT_END, &mem_start, &mem_end);