1 files changed, 123 insertions, 0 deletions
diff --git a/src/roms/openbios/arch/ppc/qemu/qemu.fs b/src/roms/openbios/arch/ppc/qemu/qemu.fs
new file mode 100644
index 0000000..11e344a
--- /dev/null
+++ b/src/roms/openbios/arch/ppc/qemu/qemu.fs
@@ -0,0 +1,123 @@
+\   qemu specific initialization code
+\
+\   Copyright (C) 2005 Stefan Reinauer
+\
+\   This program is free software; you can redistribute it and/or
+\   modify it under the terms of the GNU General Public License
+\   as published by the Free Software Foundation
+\
+
+
+\ -------------------------------------------------------------------------
+\ initialization
+\ -------------------------------------------------------------------------
+
+: make-openable ( path )
+  find-dev if
+    begin ?dup while
+      \ install trivial open and close methods
+      dup active-package! is-open
+      parent
+    repeat
+  then
+;
+
+: preopen ( chosen-str node-path )
+  2dup make-openable
+
+  " /chosen" find-device
+  open-dev ?dup if
+    encode-int 2swap property
+  else
+    2drop
+  then
+;
+
+\ preopen device nodes (and store the ihandles under /chosen)
+:noname
+  " rtc" " rtc" preopen
+  " memory" " /memory" preopen
+; SYSTEM-initializer
+
+
+\ use the tty interface if available
+: activate-tty-interface
+  " /packages/terminal-emulator" find-dev if drop
+  then
+;
+
+variable keyboard-phandle 0 keyboard-phandle !
+
+: (find-keyboard-device) ( phandle -- )
+  recursive
+  keyboard-phandle @ 0= if  \ Return first match
+    >dn.child @
+    begin ?dup while
+      dup dup " device_type" rot get-package-property 0= if
+        drop dup cstrlen
+        " keyboard" strcmp 0= if
+          dup to keyboard-phandle
+        then
+      then
+      (find-keyboard-device)
+      >dn.peer @
+    repeat
+  else
+    drop
+  then
+;
+
+\ create the keyboard devalias 
+:noname
+  device-tree @ (find-keyboard-device)
+  keyboard-phandle @ if
+    active-package
+    " /aliases" find-device
+    keyboard-phandle @ get-package-path
+    encode-string " keyboard" property
+    active-package!  
+  then
+; SYSTEM-initializer
+
+\ -------------------------------------------------------------------------
+\ pre-booting
+\ -------------------------------------------------------------------------
+
+: update-chosen
+  " /chosen" find-device
+  stdin @ encode-int " stdin" property
+  stdout @ encode-int " stdout" property
+  device-end
+;
+
+:noname
+  set-defaults
+; PREPOST-initializer
+
+\ -------------------------------------------------------------------------
+\ Adler-32 wrapper
+\ -------------------------------------------------------------------------
+
+: adler32 ( adler buf len -- checksum )
+  \ Since Mac OS 9 is the only system using this word, we take this
+  \ opportunity to inject a copyright message that is necessary for the
+  \ system to boot.
+  " Copyright 1983-2001 Apple Computer, Inc. THIS MESSAGE FOR COMPATIBILITY ONLY"
+  encode-string " copyright"
+  " /" find-package if
+    " set-property" $find if
+      execute
+    else
+      3drop drop
+    then
+  then
+
+  ( adler buf len )
+
+  " (adler32)" $find if
+    execute
+  else
+    ." Can't find " ( adler32-name ) type cr
+    3drop 0
+  then
+;