[Patch] make mips/ip22 bootable form harddisk

[Guido Guenther <agx@debian.org>]

The attached patch finally adds dvhtool support so we can make ip22
systems directly bootable from harddisk. This should make the mips
specific part of the bootdisks basically feature complete.
 -- Guido

Index: utilities/dbootstrap/bootconfig.c
===================================================================
RCS file: /cvs/debian-boot/boot-floppies/utilities/dbootstrap/bootconfig.c,v
retrieving revision 1.129
diff -u -r1.129 bootconfig.c
--- utilities/dbootstrap/bootconfig.c	2001/07/18 23:50:36	1.129
+++ utilities/dbootstrap/bootconfig.c	2001/08/04 18:31:52
@@ -38,6 +38,9 @@
 # define USE_PALO
 #elif #cpu(ia64)
 # define USE_ELILO
+/* for now we only support ip22 */
+#elif #cpu(mips)
+# define USE_DVHTOOL
 #else
 # define USE_LILO
 #endif
@@ -1399,6 +1402,51 @@
 }
 #endif /* USE_ELILO */
 
+#ifdef USE_DVHTOOL
+static int run_dvhtool(void)
+{
+  int count;
+  char buf[256];
+  char* disk_name;
+  struct fdisk_partition* volhdr;
+
+  if (strcmp(Arch2, "ip22") != 0) {
+	problemBox(_("Making the system bootable from harddisk is currently only supported for the mips ip22 subarchitecture - sorry."),
+        	_("Not an ip22 machine"));
+	return 0;
+  } 
+  volhdr = fdisk_find_partition_by_type(PTYPE_SGI_VOLHDR);
+  if( !volhdr ) {
+    	problemBox(_("I couldn't find any partitions with SGI disklabel. I can't make your system bootable from harddisk."),
+               _("No SGI disklabel found"));
+    	return 1;
+  } 
+  disk_name = volhdr->disk->name;
+  if ((count=readlink("/target/vmlinuz", buf, sizeof(buf))) == -1) {
+	ERRMSG("Error resolving /target/vmlinuz symlink");
+	return 1;
+  }
+  buf[count] = '\0';
+  snprintf(prtbuf, sizeof(prtbuf), 
+	"dvhtool -d %s --unix-to-vh /target/%s linux", disk_name, buf );
+  if( execlog(prtbuf, LOG_DEBUG) ) {
+	problemBox(_("Dvhtool failed - cannot continue."),"Critical error");
+	 return 1;
+  }
+  vaproblemBox(_("Important"),
+	_("I have coppied the kernel into the volume header of disk %s. "
+	  "Please adjust your PROM settings after rebooting as follows.")
+	  , disk_name);
+  vaproblemBox(_("Prom Settings"),
+	_("setenv OSLoader linux\n"
+	  "setenv SystemPartition scsi(0)disk(X)rdisk(0)partition(8)\n"
+	  "where X is the scsi id of disk %s"), disk_name);
+  vaproblemBox(_("Prom Settings"),
+	_("Furthermore you can set your root partition with:\n"
+	  "setenv OSLoadPartition %s"), Root->name);
+  return 0;
+}
+#endif
 
 #ifdef USE_LILO
 /*
@@ -2356,8 +2404,11 @@
   }
   notInstalledLILO=0;
 #elif #cpu (mips)
-  problemBox(_("You need to setup DVHTOOL yourself, sorry"),
-	     _("Problem"));
+  status=run_dvhtool();
+  if(status!=0) {
+    problemBox(_("Dvhtool wasn't able to install the kernel. You can still remote boot and point the root device to the installed system."),_("Problem"));
+    return 1; 
+  }
 #elif #cpu (mipsel)
   problemBox(_("You need to setup DELO yourself, sorry"),
 	     _("Problem"));