762     struct patch_area *pptr;  in setup()  local
847     pptr = (struct patch_area *)(memdisk_hook + hptr->patch_offs);  in setup()
850     pptr->mdi.olddosmem = dosmem_k;  in setup()
856     pptr->driveno = geometry->driveno;  in setup()
857     pptr->drivetype = geometry->type;  in setup()
858     pptr->cylinders = geometry->c;	/* Possible precision loss */  in setup()
859     pptr->heads = geometry->h;  in setup()
860     pptr->sectors = geometry->s;  in setup()
861     pptr->mdi.disksize = geometry->sectors;  in setup()
862     pptr->mdi.diskbuf = ramdisk_image + geometry->offset;  in setup()
863     pptr->mdi.sector_shift = geometry->sector_shift;  in setup()
864     pptr->statusptr = (geometry->driveno & 0x80) ? 0x474 : 0x441;  in setup()
866     pptr->mdi.bootloaderid = shdr->type_of_loader;  in setup()
868     pptr->configflags = CONFIG_SAFEINT;	/* Default */  in setup()
871 	pptr->configflags |= CONFIG_READONLY;  in setup()
874 	pptr->configflags &= ~CONFIG_MODEMASK;  in setup()
875 	pptr->configflags |= CONFIG_RAW;  in setup()
878 	pptr->configflags &= ~CONFIG_MODEMASK;  in setup()
879 	pptr->configflags |= CONFIG_BIGRAW | CONFIG_RAW;  in setup()
882 	pptr->configflags &= ~CONFIG_MODEMASK;  in setup()
886 	pptr->configflags &= ~CONFIG_MODEMASK;  in setup()
887 	pptr->configflags |= CONFIG_SAFEINT;  in setup()
898 	   pptr->configflags & CONFIG_READONLY ? "ro" : "rw");  in setup()
901     switch (pptr->configflags & CONFIG_MODEMASK) {  in setup()
915 	printf("unknown %#x", pptr->configflags & CONFIG_MODEMASK);  in setup()
923 	pptr->dpt.hd.max_cyl = geometry->c - 1;  in setup()
924 	pptr->dpt.hd.max_head = geometry->h - 1;  in setup()
925 	pptr->dpt.hd.ctrl = (geometry->h > 8) ? 0x08 : 0;  in setup()
929 	pptr->dpt.fd.specify1 = 0xdf;  in setup()
930 	pptr->dpt.fd.specify2 = 0x02;  in setup()
931 	pptr->dpt.fd.delay = 0x25;  in setup()
932 	pptr->dpt.fd.sectors = geometry->s;  in setup()
933 	pptr->dpt.fd.bps = 0x02;  in setup()
934 	pptr->dpt.fd.isgap = 0x12;  in setup()
935 	pptr->dpt.fd.dlen = 0xff;  in setup()
936 	pptr->dpt.fd.fgap = 0x6c;  in setup()
937 	pptr->dpt.fd.ffill = 0xf6;  in setup()
938 	pptr->dpt.fd.settle = 0x0f;  in setup()
939 	pptr->dpt.fd.mstart = 0x05;  in setup()
940 	pptr->dpt.fd.maxtrack = geometry->c - 1;  in setup()
941 	pptr->dpt.fd.cmos = geometry->type > 5 ? 5 : geometry->type;  in setup()
943 	pptr->dpt.fd.old_fd_dpt = rdz_32(BIOS_INT1E);  in setup()
948 	pptr->edd_dpt.sectors = geometry->sectors;  in setup()
952 	    pptr->edd_dpt.c = geometry->c;  in setup()
953 	    pptr->edd_dpt.h = geometry->h;  in setup()
954 	    pptr->edd_dpt.s = geometry->s;  in setup()
960 		pptr->edd_dpt.flags |= 0x0002;	/* Geometry valid */  in setup()
965 	    pptr->edd_dpt.flags |= 0x0014;  in setup()
968 	pptr->edd_dpt.devpath[0] = pptr->mdi.diskbuf;  in setup()
969 	pptr->edd_dpt.chksum = -checksum_buf(&pptr->edd_dpt.dpikey, 73 - 30);  in setup()
976 	pptr->cd_pkt.type = boot_cat->initial_entry.media_type;	/* Cheat */  in setup()
977 	pptr->cd_pkt.driveno = geometry->driveno;  in setup()
978 	pptr->cd_pkt.start = boot_cat->initial_entry.load_block;  in setup()
979 	boot_seg = pptr->cd_pkt.load_seg = boot_cat->initial_entry.load_seg;  in setup()
980 	pptr->cd_pkt.sect_count = boot_cat->initial_entry.sect_count;  in setup()
981 	boot_len = pptr->cd_pkt.sect_count * 512;  in setup()
982 	pptr->cd_pkt.geom1 = (uint8_t)(pptr->cylinders) & 0xFF;  in setup()
983 	pptr->cd_pkt.geom2 =  in setup()
984 	    (uint8_t)(pptr->sectors) | (uint8_t)((pptr->cylinders >> 2) & 0xC0);  in setup()
985 	pptr->cd_pkt.geom3 = (uint8_t)(pptr->heads);  in setup()
1022     pptr->mem1mb = low_mem >> 10;  in setup()
1023     pptr->mem16mb = high_mem >> 16;  in setup()
1027 	pptr->memint1588 = (int1588mem > 0xffff) ? 0xffff : int1588mem;  in setup()
1029 	pptr->memint1588 = low_mem >> 10;  in setup()
1033 	   pptr->memint1588, pptr->mem1mb, pptr->mem16mb);  in setup()
1039     pptr->mystack = (uint16_t) (stddosmem - driveraddr);  in setup()
1041     pptr->mdi.oldint13.uint32 = rdz_32(BIOS_INT13);  in setup()
1042     pptr->mdi.oldint15.uint32 = rdz_32(BIOS_INT15);  in setup()
1055 	pptr->drivecnt = 0;  in setup()
1057 	pptr->mdi.oldint13.uint32 = driverptr + hptr->iret_offs;  in setup()
1063 	pptr->drivecnt = 0;  in setup()
1077 	    pptr->drivecnt = 0;  in setup()
1082 	    pptr->drivecnt = regs.edx.b[0];  in setup()
1098 	if (pptr->drivecnt > bios_drives) {  in setup()
1101 	    pptr->drivecnt = bios_drives;  in setup()
1106     pptr->drivecnt++;  in setup()
1109     if (pptr->drivecnt <= (geometry->driveno & 0x7f))  in setup()
1110 	pptr->drivecnt = (geometry->driveno & 0x7f) + 1;  in setup()
1113     pptr->driveshiftlimit = probe_drive_range(geometry->driveno) + 1;  in setup()
1114     if ((pptr->driveshiftlimit & 0x80) != (geometry->driveno & 0x80))  in setup()
1117 	pptr->driveshiftlimit);  in setup()
1120     pptr->mdi.cmdline.seg_off.offset = bin_size + (nranges + 1) * sizeof(ranges[0]);  in setup()
1121     pptr->mdi.cmdline.seg_off.segment = driverseg;  in setup()
1129 	pptr = (struct patch_area *)(dpp + hptr->patch_offs);  in setup()
1139     hptr->safe_hook.old_hook.uint32 = pptr->mdi.oldint13.uint32;  in setup()
1149 	uint8_t nhd = pptr->drivecnt;  in setup()
1159 	uint8_t nflop = pptr->drivecnt;  in setup()
1174 	    pptr->mdi.dpt_ptr =  in setup()
1193     if (pptr->mdi.dpt_ptr)  in setup()
1194 	wrz_32(BIOS_INT1E, driverptr + pptr->mdi.dpt_ptr);  in setup()
1221 	   (char *)pptr->mdi.diskbuf + geometry->boot_lba * 512,  in setup()