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-rw-r--r--qemu/roms/SLOF/slof/fs/root.fs84
1 files changed, 84 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/slof/fs/root.fs b/qemu/roms/SLOF/slof/fs/root.fs
new file mode 100644
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+++ b/qemu/roms/SLOF/slof/fs/root.fs
@@ -0,0 +1,84 @@
+\ *****************************************************************************
+\ * Copyright (c) 2004, 2008 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ * IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ this creates the root and common branches of the device tree
+
+defer (client-exec)
+defer client-exec
+
+\ defined in slof/fs/client.fs
+defer callback
+defer continue-client
+
+0 VALUE chosen-node
+
+: chosen
+ chosen-node dup 0= IF
+ drop s" /chosen" find-node dup to chosen-node
+ THEN
+;
+
+: set-chosen ( prop len name len -- )
+ chosen set-property ;
+
+: get-chosen ( name len -- [ prop len ] success )
+ chosen get-property 0= ;
+
+\ Look for an exising root, create one if needed
+" /" find-node dup 0= IF
+ drop
+ new-device
+ s" /" device-name
+ELSE
+ extend-device
+THEN
+
+\ Create /chosen if it doesn't exist
+" /chosen" find-node dup 0= IF
+ drop
+ new-device
+ s" chosen" device-name
+ s" " encode-string s" bootargs" property
+ s" " encode-string s" bootpath" property
+ finish-device
+ELSE
+ drop
+THEN
+
+\ Create /aliases
+new-device
+ s" aliases" device-name
+finish-device
+
+\ Create /options
+new-device
+ s" options" device-name
+finish-device
+
+\ Create /openprom
+new-device
+ s" openprom" device-name
+ 0 0 s" relative-addressing" property
+finish-device
+
+\ Create /packages
+new-device
+#include <packages.fs>
+finish-device
+
+: open true ;
+: close ;
+#include <archsupport.fs>
+
+\ Finish root
+finish-device
+