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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: dlbin.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: @(#)dlbin.fth 2.14 97/08/11 | |
43 | purpose: | |
44 | copyright: Copyright 1990-1995 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | \ Download a.out files over a serial line to a stand-alone Forth system. | |
47 | ||
48 | decimal | |
49 | ||
50 | headerless | |
51 | headers | |
52 | ||
53 | \ Move all these out of the way. | |
54 | vocabulary dloader also dloader definitions | |
55 | ||
56 | variable charbuf | |
57 | variable dl.break | |
58 | variable dl.read | |
59 | variable dl.handle | |
60 | ||
61 | : dl-call ( xxx -- xxx ) dl.handle @ call-package ; | |
62 | ||
63 | : getbyte ( -- char ) | |
64 | begin dl.break @ dl-call charbuf 1 dl.read @ dl-call 0> until | |
65 | charbuf c@ | |
66 | ; | |
67 | : getbytes ( adr len -- adr+len ) | |
68 | over + tuck swap ?do getbyte i c! loop | |
69 | ; | |
70 | ||
71 | : .cantfind ( adr,len -- true ) | |
72 | ." Unable find " type ." method" cr true | |
73 | ; | |
74 | ||
75 | : setup-dload ( -- ) | |
76 | 0 0 ttya expand-alias drop ( 0 0 str,len ) | |
77 | $open-package ?dup 0= if ( ihandle ) | |
78 | ." ttya didn't open" cr ( -- ) | |
79 | true exit ( -- ) | |
80 | then dl.handle ! ( ihandle ) | |
81 | " read" 2dup ( str,len str,len ) | |
82 | dl.handle @ ihandle>phandle ( str,len str,len phandle ) | |
83 | find-method if ( str,len acf ) | |
84 | dl.read ! ( str,len ) | |
85 | 2drop " poll-tty" 2dup ( str,len str,len ) | |
86 | dl.handle @ ihandle>phandle ( str,len str,len phandle ) | |
87 | find-method if ( str,len acf ) | |
88 | dl.break ! ( str,len ) | |
89 | 2drop false exit ( false ) | |
90 | then ( adr,len ) | |
91 | then ( str,len ) | |
92 | .cantfind ( -- true ) | |
93 | ; | |
94 | ||
95 | \ Throw out junk until we see the start of the header | |
96 | : consume ( -- ) begin getbyte 1 = until ; | |
97 | ||
98 | : gettext ( adr len -- adr actual ) | |
99 | bounds 2dup ?do ( end start ) | |
100 | getbyte dup control D = if ( end start char ) | |
101 | drop nip i swap leave ( end' start ) | |
102 | then ( end start char ) | |
103 | i c! | |
104 | loop ( end' start ) | |
105 | tuck - ( adr actual ) | |
106 | ; | |
107 | ||
108 | previous definitions | |
109 | also dloader | |
110 | headers | |
111 | ||
112 | : dlbin ( -- ) | |
113 | cleanup setup-dload if exit then | |
114 | ." Ready for download. Send binary file." cr | |
115 | consume | |
116 | 1 a.out-header c! \ consume ate the first header byte | |
117 | a.out-header 1+ /a.out-header 1- getbytes drop \ Read the header | |
118 | ||
119 | \ Verify the magic number; if it's wrong, then you have to abort with | |
120 | \ a break character. | |
121 | a.out-header a_magic w@ h# 107 <> if begin getbyte drop again then | |
122 | ||
123 | entry-adr ( tadr ) \ Read the file segments | |
124 | /text getbytes ( dadr ) | |
125 | /data getbytes ( radr ) | |
126 | /reloc l->n -1 <> if /reloc getbytes then ( sadr ) | |
127 | /syms getbytes ( stradr ) | |
128 | ||
129 | /syms if ( string-table-adr ) | |
130 | 4 getbytes ( rest-of-string-table-adr ) | |
131 | dup 4 - @ 4 - getbytes ( string-table-end-adr ) | |
132 | then ( end-adr ) | |
133 | (init-program) ( end-adr ) | |
134 | entry-adr set-pc ( end-adr ) | |
135 | entry-adr /a.out-header - tuck - initsyms ( ) | |
136 | entry-adr /text + /data + /bss erase ( ) | |
137 | ; | |
138 | ||
139 | : sload ( -- ) | |
140 | cleanup setup-dload if exit then | |
141 | ." Ready for download. Send file then type ^D" cr | |
142 | load-base h# 20000 | |
143 | \ Turn off interrupts for now because the interrupt handler takes too long | |
144 | \ and we lose characters. | |
145 | lock[ ['] gettext catch ]unlock ?dup if throw then ( adr len ) | |
146 | file-size ! drop | |
147 | ; | |
148 | : dl ( -- ) sload load-base file-size @ interpret-string ; | |
149 | ||
150 | previous | |
151 |