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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: hub-required.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: @(#)hub-required.fth 1.8 01/09/20 | |
43 | purpose: | |
44 | copyright: Copyright 1998-2001 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | create bad-number \ "Bad number syntax" | |
47 | d# 17 c, | |
48 | ascii B c, ascii a c, ascii d c, bl c, ascii n c, | |
49 | ascii u c, ascii m c, ascii b c, ascii e c, ascii r c, | |
50 | bl c, ascii s c, ascii y c, ascii n c, ascii t c, | |
51 | ascii a c, ascii x c, 0 c, | |
52 | ||
53 | : $>number ( adr len -- n ) | |
54 | $number if bad-number throw then | |
55 | ; | |
56 | ||
57 | 0 value open-count | |
58 | ||
59 | external | |
60 | ||
61 | : decode-unit ( adr len -- port# ) | |
62 | base @ >r hex | |
63 | dup if $>number | |
64 | else 2drop bad-number throw | |
65 | then | |
66 | r> base ! | |
67 | ; | |
68 | ||
69 | 10 buffer: unit-address \ can be used while no instance is open. | |
70 | ||
71 | \ XXX check the other encode-units for other modules -- uses a volatile | |
72 | \ area. | |
73 | : encode-unit ( port# -- adr len ) | |
74 | unit-address 10 erase | |
75 | base @ >r hex | |
76 | <# u#s u#> | |
77 | dup >r | |
78 | unit-address swap move | |
79 | unit-address r> | |
80 | r> base ! | |
81 | ; | |
82 | ||
83 | ||
84 | \ XXX open dma-alloc a request packet and a data buffer (close dma-free them) | |
85 | \ for talking to the status endpoint. | |
86 | \ XXX need two data buffers, one for config-descrip, one for dev-descrip | |
87 | \ maybe three? | |
88 | : open ( -- ok ) | |
89 | open-count 0= if | |
90 | /request dma-alloc to request-blank | |
91 | /common-buffer dma-alloc to common-buffer | |
92 | 0max-packet to max-packet | |
93 | then | |
94 | open-count 1+ to open-count | |
95 | true | |
96 | ; | |
97 | ||
98 | : close ( -- ) | |
99 | open-count 1- to open-count | |
100 | open-count 0= if | |
101 | common-buffer /common-buffer dma-free | |
102 | -1 to common-buffer | |
103 | request-blank /request dma-free | |
104 | -1 to request-blank | |
105 | then | |
106 | ; | |
107 | ||
108 | : reset ( -- ) ; | |
109 | ||
110 | headers |