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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: canon.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: @(#)canon.fth 1.3 02/05/02 | |
43 | purpose: | |
44 | copyright: Copyright 1995-2002 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | 0 value canon-buf | |
49 | 0 value canon-len | |
50 | 0 value canon-max | |
51 | ||
52 | : canon+ ( adr len -- ) | |
53 | canon-max canon-len - 1- min ( adr len ) | |
54 | tuck canon-buf canon-len + swap move canon-len + to canon-len | |
55 | ; | |
56 | ||
57 | : canon-node ( buf path$ -- buf path$' ) | |
58 | parse-component ( buf path$' args$ devname$ ) | |
59 | noa-find-device ( buf path$' args$ ) | |
60 | root-device? if ( buf path$' args$ ) | |
61 | 2drop root-device ( buf path$' ) | |
62 | else ( buf path$' args$ ) | |
63 | " /" 6 pick 0 $add ( buf path$' args$ node$ ) | |
64 | unit#-valid? if ( buf path$' args$ node$ ) | |
65 | (append-name) 2>r ( buf path$' args$ ) | |
66 | unit-bounds ?do i @ /n +loop ( buf path$' args$ n..n ) | |
67 | '#adr-cells @ reorder ( buf path$' args$ n..n ) | |
68 | 2r> (append-unit) ( buf path$' args$ node$ ) | |
69 | else ( buf path$' args$ node$ ) | |
70 | (append-name+unit) ( buf path$' args$ node$ ) | |
71 | then ( buf path$' args$ node$ ) | |
72 | (append-args) ( buf path$' node$ ) | |
73 | canon+ ( buf path$' ) | |
74 | then ( buf path$' ) | |
75 | ; | |
76 | ||
77 | : (canon) ( path$ -- ) | |
78 | ?dup if ( path$ ) | |
79 | \ Establish the initial parent | |
80 | null to current-device ( path$ ) | |
81 | ?expand-alias ( path$ ) | |
82 | "temp -rot ( adr path$ ) | |
83 | begin canon-node dup 0= until ( adr path$' ) | |
84 | 3drop ( ) | |
85 | else ( adr ) | |
86 | not-found throw ( ) | |
87 | then ( ) | |
88 | ; | |
89 | ||
90 | headers | |
91 | cif: canon ( len adr cstr -- actual-len ) | |
92 | push-hex ( path$ ) | |
93 | over 0= if 3drop -1 exit then | |
94 | cscount 2swap to canon-buf to canon-max 0 to canon-len | |
95 | current-device >r | |
96 | ||
97 | ['] (canon) catch if | |
98 | 2drop -1 | |
99 | else | |
100 | 0 canon-buf canon-len + c! | |
101 | canon-len | |
102 | then | |
103 | ||
104 | r> push-device | |
105 | pop-base | |
106 | ; |