X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fopenbios%2Fpackages%2Fdisk-label.fs;fp=qemu%2Froms%2Fopenbios%2Fpackages%2Fdisk-label.fs;h=8354f878e2d4f7e2661f72850e3e83c2642f2124;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/openbios/packages/disk-label.fs b/qemu/roms/openbios/packages/disk-label.fs
new file mode 100644
index 000000000..8354f878e
--- /dev/null
+++ b/qemu/roms/openbios/packages/disk-label.fs
@@ -0,0 +1,102 @@
+\ tag: Utility functions
+\ 
+\ deblocker / filesystem support
+\ 
+\ Copyright (C) 2003, 2004 Samuel Rydh
+\ 
+\ See the file "COPYING" for further information about
+\ the copyright and warranty status of this work.
+\ 
+
+dev /packages
+
+\ -------------------------------------------------------------
+\ /packages/disk-label (partition handling)
+\ -------------------------------------------------------------
+
+[IFDEF] CONFIG_DISK_LABEL
+  
+new-device
+  " disk-label" device-name
+  external
+
+  variable part-handlers      \ list with (probe-xt, phandle) elements
+  variable fs-handlers        \ list with (fs-probe-xt, phandle) elements
+  
+  : find-part-handler ( block0 -- phandle | 0 )
+    >r part-handlers
+    begin list-get while
+      ( nextlist dictptr )
+      r@ over @ execute if
+        ( nextlist dictptr )
+        na1+ @ r> rot 2drop exit
+      then
+      drop
+    repeat
+    r> drop 0
+  ;
+
+  : find-filesystem ( offs.d ih -- ph | 0 )
+    >r fs-handlers	( offs.d listhead )
+    begin list-get while
+      2over	( offs.d nextlist dictptr offs.d )
+      r@ 	( offs.d nextlist dictptr offs.d ih )
+	3 pick	( offs.d nextlist dictptr offs.d ih dictptr )
+ 	@	( offs.d nextlist dictptr offs.d ih probe-xt )
+	execute ( offs.d nextlist dictptr flag? )
+	if
+        	( offs.d nextlist dictptr )
+        	na1+	( offs.d nextlist dictptr+1 ) 
+		@ 	( offs.d nextlist phandle )
+		r>	( offs.d nextlist phandle ih )
+		rot	( offs.d phandle ih nextlist )
+		2drop	( offs.d phandle )
+ 		-rot	( phandle offs.d )
+		2drop	( phandle )
+		exit
+      	then
+      drop	( offs.d nextlist )
+    repeat
+    2drop	( offs.d )
+    r> drop 0
+  ;
+
+
+  : register-part-handler ( handler-ph -- )
+    dup " probe" rot find-method
+    0= abort" Missing probe method!"
+    ( phandle probe-xt )
+    part-handlers list-add , ,
+  ;
+
+  : register-fs-handler ( handler-ph -- )
+    dup " probe" rot find-method
+    0= abort" Missing probe method!"
+    ( phandle probe-xt )
+    fs-handlers list-add , ,
+  ;
+finish-device
+
+\ ---------------------------------------------------------------------------
+\ methods to register partion and filesystem packages used by disk-label
+\ ---------------------------------------------------------------------------
+
+device-end
+: register-partition-package ( -- )
+  " register-part-handler" " disk-label" $find-package-method ?dup if
+    active-package swap execute
+  else
+    ." [disk-label] internal error" cr
+  then
+;
+
+: register-fs-package ( -- )
+  " register-fs-handler" " disk-label" $find-package-method ?dup if  
+    active-package swap execute
+  else
+    ." [misc-files] internal error" cr
+  then
+;
+
+[THEN]
+device-end