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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: memstack.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: @(#)memstack.fth 1.4 06/10/18 | |
43 | purpose: | |
44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | struct | |
48 | /n field >stack.next | |
49 | /n field >stack.mem-list | |
50 | /n field >stack.mem64-list | |
51 | /n field >stack.io-list | |
52 | /n field >stack.bar-info | |
53 | constant /stacknode | |
54 | ||
55 | variable stack-base stack-base off | |
56 | variable pci-mem64list pci-mem64list off | |
57 | ||
58 | : get-pointers ( -- reg mem mem64 io ) | |
59 | bar-struct-addr pci-memlist @ pci-mem64list @ pci-io-list @ | |
60 | ; | |
61 | : set-pointers ( reg mem mem64 io -- ) | |
62 | pci-io-list ! pci-mem64list ! pci-memlist ! to bar-struct-addr | |
63 | ; | |
64 | ||
65 | : push-stack ( reg new-mem new-mem64 new-io -- ) | |
66 | /stacknode alloc-mem >r ( reg new-mem new-mem64 new-io )( R: node ) | |
67 | get-pointers ( reg new-mem new-mem64 new-io reg mem mem64 io ) | |
68 | r@ >stack.io-list ! ( reg new-mem new-mem64 new-io reg mem mem64 ) | |
69 | r@ >stack.mem64-list ! ( reg new-mem new-mem64 new-io reg mem ) | |
70 | r@ >stack.mem-list ! ( reg new-mem new-mem64 new-io reg ) | |
71 | r@ >stack.bar-info ! ( reg new-mem new-mem64 new-io ) | |
72 | stack-base @ r@ >stack.next ! ( reg new-mem new-mem64 new-io ) | |
73 | set-pointers ( ) | |
74 | r> stack-base ! ( )( R: ) | |
75 | ; | |
76 | ||
77 | : pop-stack ( -- reg prev-mem prev-mem64 prev-io ) | |
78 | get-pointers ( reg prev-mem prev-mem64 prev-io ) | |
79 | stack-base @ >r ( reg prev-mem prev-mem64 prev-io )( R: base ) | |
80 | r@ >stack.next @ stack-base ! ( reg prev-mem prev-mem64 prev-io ) | |
81 | r@ >stack.bar-info @ ( reg prev-mem prev-mem64 prev-io reg ) | |
82 | r@ >stack.mem-list @ ( reg prev-mem prev-mem64 prev-io reg mem ) | |
83 | r@ >stack.mem64-list @ ( reg prev-mem prev-mem64 prev-io reg mem mem64 ) | |
84 | r@ >stack.io-list @ ( reg prev-mem prev-mem64 prev-io reg mem mem64 io ) | |
85 | set-pointers ( reg prev-mem prev-mem64 prev-io ) | |
86 | r> /stacknode free-mem ( reg prev-mem prev-mem64 prev-io )( R: ) | |
87 | ; |