Commit | Line | Data |
---|---|---|
920dae64 AT |
1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: mapdev.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: @(#)mapdev.fth 2.15 00/08/30 | |
43 | purpose: | |
44 | copyright: Copyright 1990-2000 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | \ Map the "reg" property of the named device. | |
47 | ||
48 | headerless | |
49 | : get-#addr-cells ( -- n ) | |
50 | 2 my-parent ?dup if ( 2 ihandle ) | |
51 | my-self -rot to my-self ( my-self 2 ) | |
52 | " #address-cells" get-inherited-property 0= if ( my-self 2 ) | |
53 | get-encoded-int nip ( my-self n ) | |
54 | then ( my-self n ) | |
55 | swap to my-self ( n ) | |
56 | then ( n ) | |
57 | ; | |
58 | ||
59 | : num-decoded-cells ( -- n ) get-#addr-cells parent-#size-cells + ; | |
60 | ||
61 | : map-reg ( reg$ -- reg$' virt ) | |
62 | parent-#size-cells 0= throw ( reg$ ) | |
63 | num-decoded-cells decode-ints ( xdr,len <size> <addr> ) | |
64 | parent-#size-cells 0 ?do ( xdr,len <addr> <??> ) | |
65 | num-decoded-cells 1- roll ( xdr,len <addr> <??> ) | |
66 | loop ( xdr,len <addr> <size> ) | |
67 | parent-#size-cells ?dup if ( xdr,len <addr> size.lo ) | |
68 | 1- 0 ?do drop loop ( xdr,len <addr> size.lo ) | |
69 | then ( xdr,len <addr> size.lo ) | |
70 | 1 max " map-in" $call-parent ( reg$' virt ) | |
71 | dup 0= throw ( reg$' virt ) | |
72 | ; | |
73 | ||
74 | : (map-device) ( -- vaddr ) | |
75 | " reg" get-my-property throw ( reg$ ) | |
76 | ||
77 | map-reg -rot ( virt reg$' ) | |
78 | ||
79 | 2 pick encode-int 2swap ( virt encode-virt$ reg$ ) | |
80 | ||
81 | begin dup while ( virt encode-virt$ reg$ ) | |
82 | map-reg ( virt encode-virt$ reg$' virt' ) | |
83 | >r 2swap r> encode-int encode+ 2swap ( virt encode-virt$' reg$' ) | |
84 | repeat ( virt encode-virt$ reg$ ) | |
85 | ||
86 | 2drop ( virt encode-virt$ ) | |
87 | " address" property ( virt ) | |
88 | ; | |
89 | ||
90 | headers | |
91 | ||
92 | : map-device ( dev-adr,len -- vaddr | 0 ) | |
93 | begin-select-dev ( ) | |
94 | ['] (map-device) catch if ." Can't map device " pwd cr 0 then | |
95 | end-select-dev | |
96 | ; |