Commit | Line | Data |
---|---|---|
920dae64 AT |
1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: map.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: @(#)map.fth 1.1 06/02/16 | |
43 | purpose: Intel Ophir/82571 map routines | |
44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | \ Instance values | |
50 | 0 instance value reg-base | |
51 | 0 instance value cpu-dma-base \ cpu mapped dma base | |
52 | 0 instance value io-dma-base \ device mapped dma base | |
53 | 0 instance value /dma-blk \ Total amount to map. | |
54 | ||
55 | \ Constants | |
56 | h# 20.000 constant map-size \ Amount to map for registers. | |
57 | ||
58 | : map-in ( phys.lo .. phys.hi size -- vaddr ) " map-in" $call-parent ; | |
59 | : map-out ( vaddr size -- ) " map-out" $call-parent ; | |
60 | ||
61 | : dma-alloc ( size -- vaddr ) " dma-alloc" $call-parent ; | |
62 | : dma-free ( vaddr size -- ) " dma-free" $call-parent ; | |
63 | ||
64 | : dma-map-in ( vaddr n cache? -- devaddr ) " dma-map-in" $call-parent ; | |
65 | : dma-map-out ( vaddr devaddr n -- ) " dma-map-out" $call-parent ; | |
66 | ||
67 | : dma-sync ( virt-adr dev-adr size -- ) | |
68 | " dma-sync" ['] $call-parent catch if | |
69 | 3drop 2drop | |
70 | then | |
71 | ; | |
72 | ||
73 | : enable-mem-space ( -- ) | |
74 | \ PCI Command Register Settings | |
75 | \ h# 100 = SERR# Enable | |
76 | \ h# 40 = Parity Error Enable | |
77 | \ h# 4 = Mastering Enable | |
78 | \ h# 2 = Memory Access Enable | |
79 | 4 my-w@ h# 146 or 4 my-w! | |
80 | ; | |
81 | ||
82 | : disable-mem-space ( -- ) | |
83 | 4 my-w@ h# 2 invert and 4 my-w! | |
84 | ; | |
85 | ||
86 | \ | |
87 | \ "Local" access to hardware data structures held in | |
88 | \ local memory. | |
89 | \ These are functionally equivalent to "rw@" etc except | |
90 | \ they access local memory. Since the chip is little-endian | |
91 | \ we have to do the flip explicitly ("rw@" etc fcodes | |
92 | \ are set up to do it for us, but not "w@" etc). | |
93 | \ | |
94 | ||
95 | : local-c@ ( offset -- data ) c@ ; | |
96 | : local-c! ( data offset -- ) c! ; | |
97 | : local-w! ( data offset -- ) swap wbflip swap w! ; | |
98 | : local-w@ ( offset -- data ) w@ wbflip ; | |
99 | : local! ( data offset -- ) swap lbflip swap l! ; | |
100 | : local@ ( offset -- data ) l@ lbflip ; | |
101 | : local-x! ( data offset -- ) swap xbflip swap x! ; | |
102 | : local-x@ ( offset -- data ) x@ xbflip ; | |
103 | ||
104 | : reg@ ( offset -- data ) reg-base + rl@ ; | |
105 | : reg! ( data offset -- ) reg-base + rl! ; | |
106 | : regx@ ( offset -- data ) reg-base + rx@ ; | |
107 | : regx! ( data offset -- ) reg-base + rx! ; | |
108 | ||
109 | : reg-bset ( data offset -- ) dup reg@ rot or swap reg! ; | |
110 | : reg-bclear ( data offset -- ) dup reg@ rot invert and swap reg! ; | |
111 | ||
112 | \ Conversion between cpu dma address and io dma address. | |
113 | : cpu>io-adr ( cpu-adr -- io-adr ) cpu-dma-base - io-dma-base + ; | |
114 | : io>cpu-adr ( io-adr -- cpu-adr ) io-dma-base - cpu-dma-base + ; | |
115 | ||
116 | : map-buffers ( -- ) | |
117 | /dma-blk dma-alloc to cpu-dma-base | |
118 | cpu-dma-base /dma-blk false dma-map-in to io-dma-base | |
119 | ; | |
120 | ||
121 | : unmap-buffers ( -- ) | |
122 | cpu-dma-base io-dma-base /dma-blk dma-map-out | |
123 | cpu-dma-base /dma-blk dma-free | |
124 | 0 to cpu-dma-base 0 to io-dma-base | |
125 | ; | |
126 | ||
127 | : map-regs ( -- ) | |
128 | my-address my-space h# 300.0010 or map-size map-in | |
129 | to reg-base | |
130 | enable-mem-space | |
131 | ; | |
132 | ||
133 | : unmap-regs ( -- ) | |
134 | reg-base map-size map-out | |
135 | 0 to reg-base | |
136 | disable-mem-space | |
137 | ; | |
138 | ||
139 | headers | |
140 | ||
141 | : map-resources ( -- ) | |
142 | reg-base 0= if map-regs map-buffers then | |
143 | ; | |
144 | ||
145 | : unmap-resources ( -- ) | |
146 | reg-base if unmap-buffers unmap-regs then | |
147 | ; | |
148 | ||
149 | headerless |