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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: bus-ops.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: @(#)bus-ops.fth 1.3 07/06/22 | |
43 | purpose: | |
44 | copyright: Copyright 2007 Sun Microsystems, Inc. All rights reserved. | |
45 | ||
46 | copyright: Use is subject to license terms. | |
47 | ||
48 | headerless | |
49 | ||
50 | \ Decode just the 2 "ss" bits which denotes the address space | |
51 | : cfg>sstype ( phys.hi -- sstype ) d# 24 rshift 3 and ; | |
52 | ||
53 | \ Convert phys.hi into actual offset within configuration space | |
54 | \ For ss=0 encoding, | |
55 | \ phys.hi encoding: RRRR0000.bbbbbbbb.dddddfff.rrrrrrrr | |
56 | \ PCI config space offset: 0000.bbbb.bbbb.dddd.dfff.rrrr.rrrr | |
57 | \ PCIE config space offset: bbbb.bbbb.dddd.dfff.RRRR.rrrr.rrrr | |
58 | \ For other ss types, | |
59 | \ phys.hi encoding: nptx00ss.bbbbbbbb.dddddfff.rrrrrrrr | |
60 | \ PCI config space offset: bbbb.bbbb.dddd.dfff.0000.rrrr.rrrr | |
61 | ||
62 | : phys.hi>cfg-offset ( phys.hi -- pci-cfg-offset ) | |
63 | dup cfg>sstype 0= if ( phys.hi ) | |
64 | dup d# 28 >> d# 8 << \ Position RRRR bits | |
65 | else | |
66 | 0 | |
67 | then | |
68 | over h# ff and + ( phys.hi reg# ) | |
69 | swap h# 00ff.ff00 and 4 << + ( offset ) | |
70 | ; | |
71 | ||
72 | : (map-in) ( pa len -- va ) >r xlsplit r> " map-in" $call-parent ; | |
73 | ||
74 | \ sun4v does not permit config space map-ins. | |
75 | : bus-map-cfg ( p.hi len -- ) | |
76 | 2drop cmn-error[ " invalid map-in on config space" ]cmn-end | |
77 | ; | |
78 | ||
79 | : bus-map-io ( phys.lo phys.mid phys.hi len -- va ) | |
80 | >r 2drop ( phys.lo ) ( r: len ) | |
81 | pci-iosize 1- and pci-iobase + ( pa ) | |
82 | r> (map-in) ( va ) ( r: ) | |
83 | ; | |
84 | ||
85 | : bus-map-mem ( phys.lo phys.mid phys.hi len -- va ) | |
86 | >r 2drop ( phys.lo ) ( r: len ) | |
87 | -1 and32 pci-mem32base + ( pa ) | |
88 | r> (map-in) ( va ) ( r: ) | |
89 | ; | |
90 | ||
91 | headers |