Differential D15667 Diff 43437 head/sys/powerpc/ofw/ofw_machdep.c

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head/sys/powerpc/ofw/ofw_machdep.c

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	static int			static int
	excise_initrd_region(struct mem_region *avail, int asz)			excise_initrd_region(struct mem_region *avail, int asz)
	{			{
	phandle_t chosen;			phandle_t chosen;
	uint64_t start, end;			uint64_t start, end;
	ssize_t size;			ssize_t size;
	struct mem_region initrdmap[1];			struct mem_region initrdmap[1];
				pcell_t cell[2];

	chosen = OF_finddevice("/chosen");			chosen = OF_finddevice("/chosen");
	size = OF_getprop(chosen, "linux,initrd-start", &start, sizeof(start));
	if (size <= 0)			size = OF_getencprop(chosen, "linux,initrd-start", cell, sizeof(cell));
				if (size < 0)
	return (asz);			return (asz);
				else if (size == 4)
				start = cell[0];
				else if (size == 8)
				start = (uint64_t)cell[0] << 32 \| cell[1];
				else {
				/* Invalid value length */
				printf("WARNING: linux,initrd-start must be either 4 or 8 bytes long\n");
				return (asz);
				}

	size = OF_getprop(chosen, "linux,initrd-end", &end, sizeof(end));			size = OF_getencprop(chosen, "linux,initrd-end", cell, sizeof(cell));
	if (size <= 0)			if (size < 0)
				return (asz);
				else if (size == 4)
				end = cell[0];
				else if (size == 8)
				end = (uint64_t)cell[0] << 32 \| cell[1];
				else {
				/* Invalid value length */
				printf("WARNING: linux,initrd-end must be either 4 or 8 bytes long\n");
				return (asz);
				}

				if (end <= start)
	return (asz);			return (asz);

	initrdmap[0].mr_start = start;			initrdmap[0].mr_start = start;
	initrdmap[0].mr_size = end - start;			initrdmap[0].mr_size = end - start;

	asz = excise_reserved_regions(avail, asz, initrdmap, 1);			asz = excise_reserved_regions(avail, asz, initrdmap, 1);

	return (asz);			return (asz);
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