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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: cmdline.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 | \ cmdline.fth 1.4 02/05/02 | |
43 | \ Copyright 1993-1994 Bradley Forthware, Inc. All Rights Reserved. | |
44 | \ Copyright 1994-2002 Sun Microsystems, Inc. All Rights Reserved | |
45 | \ Copyright Use is subject to license terms. | |
46 | ||
47 | \ Get the arguments passed from the program | |
48 | ||
49 | \ Returns the command line argument indexed by arg#, as a string. | |
50 | \ In most systems, the 0'th argument is the name of the program file. | |
51 | \ If the arg#'th argument doesn't exist, returns 0. | |
52 | : >arg ( arg# -- false | arg-adr arg-len true ) | |
53 | dup #args >= if ( arg# ) | |
54 | drop false | |
55 | else ( arg# ) | |
56 | args swap na+ @ cscount true | |
57 | then | |
58 | ; | |
59 | ||
60 | variable arg# | |
61 | ||
62 | \ Get the next argument from the command line. | |
63 | \ Returns 0 when there are no more arguments. | |
64 | \ arg# should be set to 1 before the first call. | |
65 | \ argument number 0 is usually the name of the program file. | |
66 | : next-arg ( -- false | arg-adr arg-len true ) | |
67 | arg# @ >arg dup if 1 arg# +! then | |
68 | ; | |
69 | defer cmdline-file ' 2drop is cmdline-file | |
70 | ||
71 | ||
72 | : bootstrap-file ( str,len -- ) | |
73 | ?dup if | |
74 | d# 46 d# 45 fsyscall ( ) \ grab whole file | |
75 | 2>r 2r@ evaluate ( ) | |
76 | 2r> sys-free-mem ( ) | |
77 | else ( adr ) | |
78 | drop ( ) | |
79 | then ( ) | |
80 | ; | |
81 | \ ' bootstrap-file is cmdline-file \ No bootstrap yet! | |
82 | ||
83 | : process-argument ( adr len -- ) | |
84 | 2dup " -s" $= if ( adr len ) | |
85 | 2drop next-arg 0= ( ?? ) abort" Missing argument after '-s'" | |
86 | evaluate ( ?? ) | |
87 | else ( adr len ) | |
88 | 2dup " -b" $= if ( adr len ) | |
89 | 2drop next-arg 0= abort" Missing argument after '-b'" | |
90 | bootstrap-file ( ) | |
91 | else | |
92 | 2dup " -x" $= if ( adr len ) | |
93 | 2drop \ prepare-xref ( ) | |
94 | else | |
95 | 2dup " -" $= if ( adr len ) | |
96 | 2drop | |
97 | interact | |
98 | else ( adr len ) | |
99 | cmdline-file | |
100 | then then then then | |
101 | ; | |
102 | ||
103 | : process-command-line ( -- ) | |
104 | #args 1 <= if exit then | |
105 | 1 arg# ! | |
106 | begin next-arg while ( adr len ) | |
107 | ['] process-argument catch ?dup if .error bye then | |
108 | repeat | |
109 | bye | |
110 | ; |