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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: devpaths.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)devpaths.fth 1.2 02/08/20 | |
43 | purpose: extract paths from device tree | |
44 | copyright: Copyright 1990-2002 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | : (append-unit) ( phys.. str,len -- ) | |
50 | " @" 2swap $add 2>r ( ) | |
51 | current-device >r r@ >parent push-device ( ) | |
52 | (encode-unit) ( str,len ) | |
53 | r> push-device ( str,len ) | |
54 | 2r> $add ( str',len' ) | |
55 | ; | |
56 | ||
57 | : (append-name) ( str,len -- str,len' ) | |
58 | "name" get-property if ( str,len ) | |
59 | " <Unnamed>" ( str,len prop,len ) | |
60 | else ( str,len prop,len ) | |
61 | get-encoded-string ( str,len prop,len ) | |
62 | then 2swap $add ( str,len' ) | |
63 | ; | |
64 | ||
65 | : (append-name+unit) ( str,len -- str,len' ) | |
66 | (append-name) ( str,len' ) | |
67 | get-unit 0= if ( str,len' prop,len ) | |
68 | 2swap 2>r ( prop,len ) | |
69 | unit-str>phys 2r> (append-unit) ( str,len ) | |
70 | then ( str,len ) | |
71 | ; | |
72 | ||
73 | : root-device? ( -- flag ) current-device >parent null = ; | |
74 | ||
75 | : (pwd) ( str,len -- str,len ) recursive | |
76 | root-device? 0= if ( str,len ) | |
77 | current-device >r pop-device (pwd) r> push-device | |
78 | " /" 2swap $add (append-name+unit) ( str,len ) | |
79 | then ( str,len ) | |
80 | ; | |
81 | ||
82 | \ adr len is the full path string. | |
83 | : pwd$ ( -- adr len ) | |
84 | root-device? if ( ) | |
85 | " /" ( str,len ) | |
86 | else ( ) | |
87 | "temp 0 (pwd) ( str,len ) | |
88 | then ( str,len ) | |
89 | ; |