--- qemu/roms/seabios/src/floppy.c	2018/04/24 17:52:14	1.1.1.2
+++ qemu/roms/seabios/src/floppy.c	2018/04/24 18:27:40	1.1.1.3
@@ -96,14 +96,22 @@ addFloppy(int floppyid, int ftype, int d
         return NULL;
     }
 
-    struct drive_s *drive_g = allocDrive();
-    if (!drive_g)
+    char *desc = malloc_tmp(MAXDESCSIZE);
+    struct drive_s *drive_g = malloc_fseg(sizeof(*drive_g));
+    if (!drive_g || !desc) {
+        warn_noalloc();
+        free(desc);
+        free(drive_g);
         return NULL;
+    }
+    memset(drive_g, 0, sizeof(*drive_g));
     drive_g->cntl_id = floppyid;
     drive_g->type = driver;
     drive_g->blksize = DISK_SECTOR_SIZE;
     drive_g->floppy_type = ftype;
     drive_g->sectors = (u64)-1;
+    drive_g->desc = desc;
+    snprintf(desc, MAXDESCSIZE, "drive %c", 'A' + floppyid);
 
     memcpy(&drive_g->lchs, &FloppyInfo[ftype].chs
            , sizeof(FloppyInfo[ftype].chs));
@@ -113,12 +121,6 @@ addFloppy(int floppyid, int ftype, int d
 }
 
 void
-describe_floppy(struct drive_s *drive_g)
-{
-    printf("drive %c", 'A' + drive_g->cntl_id);
-}
-
-void
 floppy_setup(void)
 {
     if (! CONFIG_FLOPPY)
@@ -182,7 +184,9 @@ wait_floppy_irq(void)
         v = GET_BDA(floppy_recalibration_status);
         if (v & FRS_TIMEOUT)
             break;
-        wait_irq();
+        // Could use wait_irq() here, but that causes issues on
+        // bochs, so use yield() instead.
+        yield();
     }
 
     v &= ~FRS_TIMEOUT;