1 /*-
4  * SPDX-License-Identifier: BSD-2-Clause
75 	struct memdisk_info *mdi;  in biosmemdisk_detect()  local
91 		if (memcmp(probe->sh_id, "$INT13SF", sizeof(probe->sh_id)) != 0) {  in biosmemdisk_detect()
92 			printf("Found int 13h unsafe hook at %p (%x:%x)\n",  in biosmemdisk_detect()
96 		if (memcmp(probe->sh_vendor, "MEMDISK ", sizeof(probe->sh_vendor)) != 0)  in biosmemdisk_detect()
103 		mbft = (ACPI_TABLE_HEADER *)PTOV(probe->sh_mbft);  in biosmemdisk_detect()
104 		if (memcmp(mbft->Signature, "mBFT", sizeof(mbft->Signature)) != 0)  in biosmemdisk_detect()
108 		for (int idx = 0; idx < mbft->Length; ++idx)  in biosmemdisk_detect()
115 		 * section. If the sector size is present and non-zero use it  in biosmemdisk_detect()
118 		mdi = (struct memdisk_info *)PTOV(probe->sh_mbft + sizeof(*mbft));  in biosmemdisk_detect()
120 		if (mdi->mdi_length + sizeof(mdi->mdi_13h_hook_ptr) >= sizeof(*mdi) &&  in biosmemdisk_detect()
121 		    mdi->mdi_sector_size != 0)  in biosmemdisk_detect()
122 			sector_size = 1 << mdi->mdi_sector_size;  in biosmemdisk_detect()
124 		printf("memdisk %d.%d disk at %#x (%d sectors = %d bytes)\n",  in biosmemdisk_detect()
125 		    mdi->mdi_major, mdi->mdi_minor, mdi->mdi_disk_ptr,  in biosmemdisk_detect()
126 		    mdi->mdi_disk_sectors, mdi->mdi_disk_sectors * sector_size);  in biosmemdisk_detect()
129 		snprintf(scratch, sizeof(scratch), "0x%08x", mdi->mdi_disk_ptr);  in biosmemdisk_detect()
132 		snprintf(scratch, sizeof(scratch), "%d", mdi->mdi_disk_sectors * sector_size);  in biosmemdisk_detect()
137 		offset = probe->sh_next_offset;  in biosmemdisk_detect()
138 		segment = probe->sh_next_segment;  in biosmemdisk_detect()