mirror of
https://gitlab.com/qemu-project/openbios.git
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125 lines
2.7 KiB
Forth
125 lines
2.7 KiB
Forth
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\ tag: Utility functions
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\
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\ deblocker / filesystem support
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\
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\ Copyright (C) 2003, 2004 Samuel Rydh
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\
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\ See the file "COPYING" for further information about
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\ the copyright and warranty status of this work.
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\
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dev /packages
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\ -------------------------------------------------------------
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\ /packages/disk-label (partition handling)
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\ -------------------------------------------------------------
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[IFDEF] CONFIG_DISK_LABEL
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new-device
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" disk-label" device-name
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external
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variable part-handlers \ list with (probe-xt, phandle) elements
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variable fs-handlers \ list with (fs-probe-xt, phandle) elements
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: find-part-handler ( block0 -- phandle | 0 )
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>r part-handlers
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begin list-get while
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( nextlist dictptr )
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r@ over @ execute if
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( nextlist dictptr )
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na1+ @ r> rot 2drop exit
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then
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drop
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repeat
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r> drop 0
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;
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: find-filesystem ( ih -- ph | 0 )
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>r fs-handlers
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begin list-get while
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( nextlist dictptr )
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r@ over @ execute if
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( nextlist dictptr )
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na1+ @ r> rot 2drop exit
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then
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drop
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repeat
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r> drop 0
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;
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: register-part-handler ( handler-ph -- )
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dup " probe" rot find-method
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0= abort" Missing probe method!"
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( phandle probe-xt )
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part-handlers list-add , ,
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;
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: register-fs-handler ( handler-ph -- )
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dup " probe" rot find-method
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0= abort" Missing probe method!"
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( phandle probe-xt )
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fs-handlers list-add , ,
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;
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finish-device
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\ ---------------------------------------------------------------------------
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\ methods to register partion and filesystem packages used by disk-label
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\ ---------------------------------------------------------------------------
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device-end
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: register-partition-package ( -- )
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" register-part-handler" " disk-label" $find-package-method ?dup if
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active-package swap execute
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else
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." [disk-label] internal error" cr
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then
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;
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: register-fs-package ( -- )
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" register-fs-handler" " disk-label" $find-package-method ?dup if
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active-package swap execute
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else
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." [misc-files] internal error" cr
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then
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;
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[THEN]
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device-end
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\ -------------------------------------------------------------
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\ command line editor (/packages/cmdline)
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\ -------------------------------------------------------------
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[IFDEF] CONFIG_CMDLINE
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dev /packages
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new-device
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" cmdline" device-name
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:noname
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" " [active-package], open-package
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?dup if
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" cmdline" rot $call-method
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else
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." cmdline is missing!" cr
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then
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\ cmdline must close itself upon return
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;
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:noname
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[ ['] (lit) , swap , ] to outer-interpreter
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; SYSTEM-initializer
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external
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: prepare 0 to my-self ;
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finish-device
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[THEN]
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device-end
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