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Hash :
1a08f436
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Date :
2010-08-25T09:23:17
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\ ========== Copyright Header Begin ==========================================
\
\ Hypervisor Software File: devpaths.fth
\
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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\ without specific prior written permission.
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\ ========== Copyright Header End ============================================
id: @(#)devpaths.fth 1.2 02/08/20
purpose: extract paths from device tree
copyright: Copyright 1990-2002 Sun Microsystems, Inc. All Rights Reserved
copyright: Use is subject to license terms.
headerless
: (append-unit) ( phys.. str,len -- )
" @" 2swap $add 2>r ( )
current-device >r r@ >parent push-device ( )
(encode-unit) ( str,len )
r> push-device ( str,len )
2r> $add ( str',len' )
;
: (append-name) ( str,len -- str,len' )
"name" get-property if ( str,len )
" <Unnamed>" ( str,len prop,len )
else ( str,len prop,len )
get-encoded-string ( str,len prop,len )
then 2swap $add ( str,len' )
;
: (append-name+unit) ( str,len -- str,len' )
(append-name) ( str,len' )
get-unit 0= if ( str,len' prop,len )
2swap 2>r ( prop,len )
unit-str>phys 2r> (append-unit) ( str,len )
then ( str,len )
;
: root-device? ( -- flag ) current-device >parent null = ;
: (pwd) ( str,len -- str,len ) recursive
root-device? 0= if ( str,len )
current-device >r pop-device (pwd) r> push-device
" /" 2swap $add (append-name+unit) ( str,len )
then ( str,len )
;
\ adr len is the full path string.
: pwd$ ( -- adr len )
root-device? if ( )
" /" ( str,len )
else ( )
"temp 0 (pwd) ( str,len )
then ( str,len )
;