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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: tlbasm.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: @(#)tlbasm.fth 1.1 06/02/16 | |
43 | purpose: Implements low level tlb code for sun4v class CPUs | |
44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | ||
48 | \ %o0 = VA | |
49 | \ %o1 = PA | |
50 | \ %o2 = Size 0 = 8K, 1 = 64K , 3 = 4M , 5 = 256M | |
51 | \ %o3 = TTE Mode bits | |
52 | label setup-itlb-entry | |
53 | %o1 d# 64 #pabits - %o5 sllx | |
54 | %o5 %g0 %g0 subcc | |
55 | 0< if | |
56 | %o1 0 >tte-priv >tte-cv >tte-cp >tte-writable %o5 or \ P,CP,CV,W | |
57 | %o1 0 >tte-priv >tte-effect >tte-writable %o5 or \ P,E,W | |
58 | then | |
59 | %o5 %o3 %o1 or \ Other bits | |
60 | %o5 %o2 %o1 or \ Size | |
61 | %g0 1 %o2 or | |
62 | %o2 d# 63 %o2 sllx \ V | |
63 | %o2 %o1 %o2 or \ %o2 = TTE | |
64 | %g0 %o1 move \ %o1 = context | |
65 | %g0 2 %o3 add \ %o3 = ITLB | |
66 | \ %o0 = Virt | |
67 | \ %o1 = context | |
68 | \ %o2 = TTE | |
69 | \ %o3 = ITLB | |
70 | ||
71 | %g0 map-perm-addr-func# %o5 add %g0 0 always htrapif | |
72 | ||
73 | retl | |
74 | nop | |
75 | end-code | |
76 | ||
77 | \ %o0 = VA | |
78 | \ %o1 = PA | |
79 | \ %o2 = Size 0 = 8K, 1 = 64K , 3 = 4M , 5 = 256M | |
80 | \ %o3 = TTE Mode bits | |
81 | label setup-dtlb-entry | |
82 | %o1 d# 64 #pabits - %o5 sllx | |
83 | %o5 %g0 %g0 subcc | |
84 | 0< if | |
85 | %o1 0 >tte-priv >tte-cv >tte-cp >tte-writable %o5 or \ P,CP,CV,W | |
86 | %o1 0 >tte-priv >tte-effect >tte-writable %o5 or \ P,E,W | |
87 | then | |
88 | %o5 %o3 %o1 or \ Other bits | |
89 | %o5 %o2 %o1 or \ Size | |
90 | %g0 1 %o2 or | |
91 | %o2 d# 63 %o2 sllx \ V | |
92 | %o2 %o1 %o2 or \ %o2 = TTE | |
93 | %g0 %o1 move \ %o1 = context | |
94 | %g0 1 %o3 add \ %o3 = DTLB | |
95 | \ %o0 = Virt | |
96 | \ %o1 = context | |
97 | \ %o2 = TTE | |
98 | \ %o3 = DTLB | |
99 | ||
100 | %g0 map-perm-addr-func# %o5 add %g0 0 always htrapif | |
101 | ||
102 | retl | |
103 | nop | |
104 | end-code |