66 static int test_block_type(unsigned char *buffer)  in test_block_type()  argument
71 	if((buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) ||  in test_block_type()
72 	    (buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {  in test_block_type()
75 	p = (struct dos_partition *)&buffer[DOS_PART_TBL_OFFSET];  in test_block_type()
79 			    (strncmp((char *)&buffer[DOS_PBR_FSTYPE_OFFSET],  in test_block_type()
81 			     strncmp((char *)&buffer[DOS_PBR32_FSTYPE_OFFSET],  in test_block_type()
110 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);  in part_test_dos()
112 	if (blk_dread(dev_desc, 0, 1, (ulong *)buffer) != 1)  in part_test_dos()
115 	if (test_block_type(buffer) != DOS_MBR)  in part_test_dos()
129 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);  in print_partition_extended()
140 	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {  in print_partition_extended()
145 	i=test_block_type(buffer);  in print_partition_extended()
148 			buffer[DOS_PART_MAGIC_OFFSET],  in print_partition_extended()
149 			buffer[DOS_PART_MAGIC_OFFSET + 1]);  in print_partition_extended()
154 		disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);  in print_partition_extended()
157 	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);  in print_partition_extended()
177 	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);  in print_partition_extended()
200 	ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);  in part_get_info_extended()
212 	if (blk_dread(dev_desc, ext_part_sector, 1, (ulong *)buffer) != 1) {  in part_get_info_extended()
217 	if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||  in part_get_info_extended()
218 		buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {  in part_get_info_extended()
220 			buffer[DOS_PART_MAGIC_OFFSET],  in part_get_info_extended()
221 			buffer[DOS_PART_MAGIC_OFFSET + 1]);  in part_get_info_extended()
227 		disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]);  in part_get_info_extended()
231 	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);  in part_get_info_extended()
265 	pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);  in part_get_info_extended()
278 	dos_type = test_block_type(buffer);  in part_get_info_extended()