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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: nvramrc.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: @(#)nvramrc.fth 1.13 06/10/11 | |
43 | purpose: Implements NVRAMRC and its editor | |
44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | \ The default size of the nvramrc file is zero. set-defaults will | |
48 | \ establish this size, but nvrecover may be used to recover the | |
49 | \ previous contents of the nvramrc file if there were any. | |
50 | ||
51 | headerless | |
52 | ||
53 | 0 value nvramrc-buffer \ Buffer for editing nvramrc | |
54 | 0 value nvramrc-size \ Current size of file being edited in memory | |
55 | 0 value nvramrc-allocd \ Current alloced size. | |
56 | ||
57 | [ifdef] SUN4V | |
58 | \ ### keep the 'old' nvramrc definition around on sun4v platforms a little | |
59 | \ ### longer,but use a set size of 1024 bytes for ldom-variable backed nvramrc | |
60 | ||
61 | : /max-nvramrc ( -- n ) | |
62 | nvram-package if | |
63 | nvoption-size d# 12 - nvramrc nip max | |
64 | else | |
65 | d# 1024 | |
66 | then | |
67 | ; | |
68 | [else] | |
69 | : /max-nvramrc ( -- n ) nvoption-size d# 12 - nvramrc nip max ; | |
70 | [then] | |
71 | ||
72 | : deallocate-buffer ( -- ) | |
73 | nvramrc-buffer if | |
74 | \nvdebug ." deallocate-buffer: " nvramrc-buffer .x nvramrc-allocd .x cr | |
75 | nvramrc-buffer nvramrc-allocd free-mem | |
76 | then | |
77 | 0 is nvramrc-buffer | |
78 | 0 is nvramrc-size | |
79 | ; | |
80 | ||
81 | : allocate-buffer ( -- ) | |
82 | /max-nvramrc 0< abort" No space left for NVRAMRC" | |
83 | nvramrc-buffer 0= if | |
84 | ['] nvramrc get ( adr,len ) | |
85 | dup to nvramrc-size ( adr,len ) | |
86 | /max-nvramrc dup to nvramrc-allocd ( adr,len max-len ) | |
87 | alloc-mem dup is nvramrc-buffer ( adr,len dest ) | |
88 | dup nvramrc-allocd erase ( adr,len dest ) | |
89 | swap move ( -- ) | |
90 | \nvdebug ." allocate-buffer: " nvramrc-buffer .x | |
91 | \nvdebug nvramrc-allocd .x nvramrc-size .x cr | |
92 | then | |
93 | ; | |
94 | ||
95 | exported-headers | |
96 | ||
97 | \ Returns address and length of edit buffer | |
98 | : nvbuf ( -- adr len ) nvramrc-buffer nvramrc-size ; | |
99 | ||
100 | \ Begin or continue editing nvramrc | |
101 | : nvedit ( -- ) | |
102 | allocate-buffer | |
103 | [ also hidden ] | |
104 | nvbuf nvramrc-allocd edit-file is nvramrc-size | |
105 | [ previous ] | |
106 | ; | |
107 | ||
108 | \ Allows you to recover the contents of the nvramrc file if its size | |
109 | \ has been set to 0 by set-defaults. | |
110 | : nvrecover ( -- ) | |
111 | ['] nvramrc >body 1 ta+ token@ get ( adr,len ) | |
112 | strdup ( old$,len ) | |
113 | 2dup to nvramrc ( old$,len ) | |
114 | free-mem ( -- ) | |
115 | nvedit ( -- ) | |
116 | ; | |
117 | ||
118 | \ Stop editing nvramrc, discarding the changes | |
119 | : nvquit ( -- ) | |
120 | " Discard edits" confirmed? if deallocate-buffer then | |
121 | ; | |
122 | ||
123 | exported-headerless | |
124 | ||
125 | \ Execute the contents of the stack buffer | |
126 | : (nvrun) ( str,len -- ) | |
127 | use-nvramrc? >r r@ if 0 to use-nvramrc? then | |
128 | ['] interpret-string catch if 2drop then | |
129 | r> if true to use-nvramrc? then | |
130 | ; | |
131 | ||
132 | exported-headers | |
133 | ||
134 | : nvrun ( -- ) nvbuf (nvrun) ; | |
135 | ||
136 | \ Copy the contents of the nvramrce edit buffer back into the NVRAM, | |
137 | \ and deallocate the edit buffer. | |
138 | : nvstore ( -- ) | |
139 | nvramrc-buffer if | |
140 | nvbuf to nvramrc | |
141 | deallocate-buffer | |
142 | then | |
143 | ; | |
144 | ||
145 | exported-headerless | |
146 | ||
147 | : execute-nvramrc ( -- ) | |
148 | " nvramrc-" do-drop-in ( ) | |
149 | use-nvramrc? if nvramrc (nvrun) then ( ) | |
150 | " nvramrc+" do-drop-in ( ) | |
151 | ; | |
152 | ||
153 | unexported-words |