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-rw-r--r--emulators/hercules/files/patch-tapedev.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/emulators/hercules/files/patch-tapedev.c b/emulators/hercules/files/patch-tapedev.c
new file mode 100644
index 000000000000..1eb7d444e5b7
--- /dev/null
+++ b/emulators/hercules/files/patch-tapedev.c
@@ -0,0 +1,275 @@
+--- tapedev.c.orig Wed Jul 3 13:21:52 2002
++++ tapedev.c Mon Sep 2 11:43:24 2002
+@@ -195,6 +195,7 @@
+ /*-------------------------------------------------------------------*/
+ /* Static data areas */
+ /*-------------------------------------------------------------------*/
++#ifdef GNU_MTIO_SUPPORT
+ static struct mt_tape_info tapeinfo[] = MT_TAPE_INFO;
+ static struct mt_tape_info densinfo[] = {
+ {0x01, "NRZI (800 bpi)"},
+@@ -222,6 +223,7 @@
+ {0x8C, "EXB-8505 compressed"},
+ {0x90, "EXB-8205 compressed"},
+ {0, NULL}};
++#endif
+
+ static PARSER ptab[] =
+ {
+@@ -1143,6 +1145,7 @@
+ /*-------------------------------------------------------------------*/
+ static U32 status_scsitape (DEVBLK *dev)
+ {
++#ifdef HAVE_MTIO_H
+ U32 stat; /* Tape status bits */
+ int rc; /* Return code */
+ struct mtget stblk; /* Area for MTIOCGET ioctl */
+@@ -1159,6 +1162,7 @@
+ dev->filename, strerror(errno));
+ return 0;
+ }
++#ifdef GNU_MTIO_SUPPORT
+ stat = stblk.mt_gstat;
+
+ /* Display tape status */
+@@ -1191,10 +1195,14 @@
+ dev->prvblkpos = -1;
+ dev->blockid = 0;
+ }
++#else
++ stat = 0;
++#endif
+
+ /* Return tape status */
+ return stat;
+
++#endif
+ } /* end function status_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1205,6 +1213,7 @@
+ /*-------------------------------------------------------------------*/
+ static int open_scsitape (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ int i; /* Array subscript */
+ struct mtop opblk; /* Area for MTIOCTOP ioctl */
+@@ -1249,6 +1258,7 @@
+ return -1;
+ }
+
++#ifdef GNU_MTIO_SUPPORT
+ /* Intervention required if no tape is mounted */
+ if (GMT_DR_OPEN(stblk.mt_gstat))
+ {
+@@ -1284,6 +1294,7 @@
+
+ /* Set the tape device to process variable length blocks */
+ opblk.mt_op = MTSETBLK;
++#endif
+ opblk.mt_count = 0;
+ rc = ioctl (dev->fd, MTIOCTOP, (char*)&opblk);
+ if (rc < 0)
+@@ -1312,6 +1323,12 @@
+
+ return 0;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1
++
++#endif
+ } /* end function open_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1324,6 +1341,7 @@
+ /*-------------------------------------------------------------------*/
+ static int read_scsitape (DEVBLK *dev, BYTE *buf, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+
+ /* Read data block from SCSI tape device */
+@@ -1347,6 +1365,12 @@
+ /* Return block length or zero if tapemark */
+ return rc;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function read_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1358,6 +1382,7 @@
+ static int write_scsitape (DEVBLK *dev, BYTE *buf, U16 len,
+ BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+
+ /* Write data block to SCSI tape device */
+@@ -1377,6 +1402,12 @@
+ /* Return normal status */
+ return 0;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function write_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1387,6 +1418,7 @@
+ /*-------------------------------------------------------------------*/
+ static int write_scsimark (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ struct mtop opblk; /* Area for MTIOCTOP ioctl */
+
+@@ -1409,6 +1441,12 @@
+ /* Return normal status */
+ return 0;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function write_scsimark */
+
+ /*-------------------------------------------------------------------*/
+@@ -1421,6 +1459,7 @@
+ /*-------------------------------------------------------------------*/
+ static int fsb_scsitape (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ int fsrerrno; /* Value of errno after MTFSR*/
+ U32 stat; /* Tape status bits */
+@@ -1435,6 +1474,7 @@
+ /* Obtain tape status after forward space */
+ stat = status_scsitape (dev);
+
++#ifdef GNU_MTIO_SUPPORT
+ /* If I/O error and status indicates EOF, then a tapemark
+ was detected, so increment the file number and return 0 */
+ if (rc < 0 && fsrerrno == EIO && GMT_EOF(stat))
+@@ -1443,6 +1483,7 @@
+ dev->blockid++;
+ return 0;
+ }
++#endif
+
+ /* Handle MTFSR error condition */
+ if (rc < 0)
+@@ -1461,6 +1502,12 @@
+ /* Return +1 to indicate forward space successful */
+ return +1;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function fsb_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1473,6 +1520,7 @@
+ /*-------------------------------------------------------------------*/
+ static int bsb_scsitape (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ int bsrerrno; /* Value of errno after MTBSR*/
+ U32 stat; /* Tape status bits */
+@@ -1481,6 +1529,7 @@
+ /* Obtain tape status before backward space */
+ stat = status_scsitape (dev);
+
++#ifdef GNU_MTIO_SUPPORT
+ /* Unit check if already at start of tape */
+ if (GMT_BOT(stat))
+ {
+@@ -1489,6 +1538,7 @@
+ *unitstat = CSW_CE | CSW_DE | CSW_UC;
+ return -1;
+ }
++#endif
+
+ /* Backspace block on SCSI tape */
+ opblk.mt_op = MTBSR;
+@@ -1527,6 +1577,12 @@
+ /* Return +1 to indicate backspace successful */
+ return +1;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function bsb_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1538,6 +1594,7 @@
+ /*-------------------------------------------------------------------*/
+ static int fsf_scsitape (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ struct mtop opblk; /* Area for MTIOCTOP ioctl */
+
+@@ -1563,6 +1620,12 @@
+ /* Return normal status */
+ return 0;
+
++#else
++
++ logmsg ("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function fsf_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -1574,6 +1637,7 @@
+ /*-------------------------------------------------------------------*/
+ static int bsf_scsitape (DEVBLK *dev, BYTE *unitstat)
+ {
++#ifdef HAVE_MTIO_H
+ int rc; /* Return code */
+ struct mtop opblk; /* Area for MTIOCTOP ioctl */
+
+@@ -1600,6 +1664,12 @@
+ /* Return normal status */
+ return 0;
+
++#else
++
++ logmsg("HHC286I SCSI Support is disabled\n");
++ return -1;
++
++#endif
+ } /* end function bsf_scsitape */
+
+ /*-------------------------------------------------------------------*/
+@@ -2726,7 +2796,9 @@
+
+ case TAPEDEVT_SCSITAPE:
+ stat = status_scsitape (dev);
++#ifdef GNU_MTIO_SUPPORT
+ if (GMT_BOT(stat)) dev->sense[1] |= SENSE1_TAPE_LOADPT;
++#endif
+ break;
+
+ case TAPEDEVT_OMATAPE:
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-22 18:49:28 +0000