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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: memtest.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: @(#)memtest.fth 1.3 94/05/30 | |
43 | purpose: Fast memory test | |
44 | copyright: Copyright 1992 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | headerless | |
47 | code test-memory ( start-addr count -- obs-data exp-data fail-adr true | false ) | |
48 | ||
49 | tos scr move \ count in scr | |
50 | sp 0 sc1 nget \ start in sc1 | |
51 | ||
52 | \ Backwards fill with 0 | |
53 | scr sc2 move | |
54 | 0 F: bra \ jump to the until branch | |
55 | nop | |
56 | begin | |
57 | %g0 sc1 sc2 st | |
58 | 0 L: | |
59 | sc2 4 sc2 subcc | |
60 | 0< until | |
61 | nop \ Delay slot | |
62 | ||
63 | \ Forward test for 0 and fill with -1 | |
64 | -1 sc4 set | |
65 | %g0 sc2 move | |
66 | 0 F: bra \ jump to the until branch | |
67 | nop | |
68 | begin | |
69 | sc1 sc2 sc3 ld | |
70 | sc3 %g0 %g0 subcc | |
71 | 0<> if nop | |
72 | -1 tos move \ fail | |
73 | sp 2 /n* sp sub \ Make room on the stack | |
74 | sc1 sc2 sc1 add \ failed address | |
75 | sc1 sp 0 /n* nput \ failed adr | |
76 | %g0 sp 1 /n* nput \ expected data | |
77 | sc3 sp 2 /n* nput \ observed data | |
78 | next \ exit | |
79 | then | |
80 | sc4 sc1 sc2 st | |
81 | sc2 4 sc2 add | |
82 | 0 L: | |
83 | scr sc2 %g0 subcc | |
84 | 0<= until | |
85 | nop \ Delay slot | |
86 | ||
87 | \ Backwards check for -1 and fill with 0 | |
88 | -1 sc4 set | |
89 | scr sc2 move | |
90 | 0 F: bra \ jump to the until branch | |
91 | nop | |
92 | begin | |
93 | sc1 sc2 sc3 ld | |
94 | sc3 sc4 %g0 subcc | |
95 | 0<> if nop | |
96 | -1 tos move \ fail | |
97 | sc1 sc2 sc1 add \ failed address | |
98 | sc1 sp 0 /n* nput | |
99 | sc4 sp 1 /n* nput \ expected data | |
100 | sc3 sp 2 /n* nput \ observed data | |
101 | next \ exit | |
102 | then | |
103 | %g0 sc1 sc2 st | |
104 | 0 L: | |
105 | sc2 4 sc2 subcc | |
106 | 0< until | |
107 | nop \ Delay slot | |
108 | ||
109 | 0 tos move \ put false (=pass) on stack | |
110 | sp /n sp add \ " | |
111 | c; | |
112 | headers | |
113 |