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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: siftdevs.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: @(#)siftdevs.fth 1.5 00/09/15 | |
43 | purpose: Sift through the device-tree, using the enhanced display format. | |
44 | copyright: Copyright 1994 FirmWorks All Rights Reserved | |
45 | copyright: Copyright 1995-1999 Sun Microsystems, Inc. All Rights Reserved | |
46 | ||
47 | only forth also hidden also definitions | |
48 | ||
49 | headerless | |
50 | ||
51 | \ Plug this in to the "hook" for showing a name only once. | |
52 | \ Show the name of the device being sifted. | |
53 | : .dev ( -- ) .in ." device " pwd ['] noop is .voc ; | |
54 | ||
55 | \ Sift through the given node, | |
56 | \ using the sift-string packed into pad . | |
57 | \ Control the display with exit? | |
58 | : (sift-node?) ( node-acf -- exit? ) | |
59 | ['] .dev is .voc | |
60 | pad count rot | |
61 | vsift? | |
62 | ; | |
63 | ||
64 | ||
65 | \ Sift through the current device-node, | |
66 | \ using the sift-string packed into pad . | |
67 | \ and controlling the display with exit? | |
68 | : (sift-dev?) ( -- exit? ) | |
69 | context-voc (sift-node?) | |
70 | ; | |
71 | ||
72 | \ Do the actual work, using the sift-string given | |
73 | \ on the stack as addr,len and the ACF of | |
74 | \ either sift-dev or sift-props (also given) | |
75 | : $sift-nodes ( addr len ACF -- ) | |
76 | >r | |
77 | pad place | |
78 | current-voc also \ Save current search-order | |
79 | root-node r@ execute 0= if \ Search root-device as well! | |
80 | r@ ['] (search-preorder) catch 2drop | |
81 | then r> drop | |
82 | previous current token! \ Restore old search-order | |
83 | ; | |
84 | ||
85 | ||
86 | headers | |
87 | forth definitions | |
88 | ||
89 | \ Sift through all the device-nodes for the string given on the stack | |
90 | : $sift-devs ( addr len -- ) | |
91 | ['] (sift-dev?) $sift-nodes | |
92 | ; | |
93 | ||
94 | \ Sift through all the device-nodes for the string given in the input stream. | |
95 | : sift-devs \ name ( -- ) | |
96 | safe-parse-word $sift-devs | |
97 | ; | |
98 | ||
99 | only forth also definitions |