23 static int read_mbr(u8 devno, void *buf)  in read_mbr()  argument
30 	ireg.dl = devno;  in read_mbr()
38 static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig)  in read_mbr_sig()  argument
63 	if (read_mbr(devno, mbrbuf_ptr))  in read_mbr_sig()
73 static int get_edd_info(u8 devno, struct edd_info *ei)  in get_edd_info()  argument
84 	ireg.dl = devno;  in get_edd_info()
93 	ei->device  = devno;  in get_edd_info()
130 	int devno;  in query_edd()  local
160 	for (devno = 0x80; devno < 0x80+EDD_MBR_SIG_MAX; devno++) {  in query_edd()
165 		if (!get_edd_info(devno, &ei)  in query_edd()
172 		if (do_mbr && !read_mbr_sig(devno, &ei, mbrptr++))  in query_edd()
173 			boot_params.edd_mbr_sig_buf_entries = devno-0x80+1;  in query_edd()