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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: access.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: @(#)access.fth 1.4 03/10/28 | |
43 | purpose: option access words | |
44 | copyright: Copyright 1998-2003 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | exported-headerless | |
48 | ||
49 | : nvseek ( offset ihandle -- ) | |
50 | >r 0 " seek" r> $call-method throw | |
51 | ; | |
52 | ||
53 | : (nvtransfer) ( adr,len str,len ihandle -- ) | |
54 | >r 2>r tuck 2r> r> $call-method <> throw | |
55 | ; | |
56 | ||
57 | : nvread ( adr len ihandle -- ) " read" rot (nvtransfer) ; | |
58 | : nvwrite ( adr len ihandle -- ) " write" rot (nvtransfer) ; | |
59 | ||
60 | : nvsync ( ihandle -- ) | |
61 | " sync" rot ['] $call-method catch if 3drop then | |
62 | ; | |
63 | ||
64 | : nvsize ( ihandle -- ) " size" rot $call-method ; | |
65 | ||
66 | 0 value nvfixed-ihandle | |
67 | variable nvfixed-lastpos | |
68 | ||
69 | : nvfixed-open ( dev$ -- ok? ) | |
70 | open-dev dup to nvfixed-ihandle 0 nvfixed-lastpos ! | |
71 | ; | |
72 | ||
73 | : nvfixed-read ( adr len -- ) | |
74 | tuck nvfixed-ihandle nvread nvfixed-lastpos +! | |
75 | ; | |
76 | ||
77 | : nvfixed-write ( adr len -- ) | |
78 | tuck nvfixed-ihandle nvwrite nvfixed-lastpos +! | |
79 | ; | |
80 | ||
81 | : nvfixed-seek ( offset -- ) | |
82 | dup nvfixed-ihandle nvseek nvfixed-lastpos ! | |
83 | ; | |
84 | ||
85 | : nvfixed-sync ( -- ) nvfixed-ihandle nvsync ; | |
86 | : nvfixed-size ( -- size ) nvfixed-ihandle nvsize ; | |
87 | : nvfixed-ftell ( -- pos ) nvfixed-lastpos @ ; | |
88 | ||
89 | : nvfixed-close ( -- ) | |
90 | nvfixed-sync nvfixed-ihandle close-dev | |
91 | ; | |
92 | ||
93 | 0 value nvoption-ihandle | |
94 | variable nvoption-lastpos | |
95 | ||
96 | : nvoption-open ( dev$ -- ok? ) | |
97 | open-dev dup to nvoption-ihandle 0 nvoption-lastpos ! | |
98 | ; | |
99 | ||
100 | : nvoption-read ( adr len -- ) | |
101 | tuck nvoption-ihandle nvread nvoption-lastpos +! | |
102 | ; | |
103 | ||
104 | : nvoption-write ( adr len -- ) | |
105 | tuck nvoption-ihandle nvwrite nvoption-lastpos +! | |
106 | ; | |
107 | ||
108 | : nvoption-seek ( offset -- ) | |
109 | dup nvoption-ihandle nvseek nvoption-lastpos ! | |
110 | ; | |
111 | ||
112 | : nvoption-sync ( -- ) nvoption-ihandle nvsync ; | |
113 | : nvoption-size ( -- size ) nvoption-ihandle nvsize ; | |
114 | : nvoption-ftell ( -- pos ) nvoption-lastpos @ ; | |
115 | ||
116 | : nvoption-close ( -- ) | |
117 | nvoption-sync nvoption-ihandle close-dev | |
118 | ; | |
119 | ||
120 | unexported-words |