Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ncu_asi_cmp_tick_enable.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define MAIN_PAGE_NUCLEUS_ALSO | |
39 | #define MAIN_PAGE_HV_ALSO | |
40 | ||
41 | #include "hboot.s" | |
42 | #include "asi_s.h" | |
43 | ||
44 | .text | |
45 | .global main | |
46 | ||
47 | ||
48 | main: | |
49 | ta T_CHANGE_HPRIV | |
50 | ||
51 | get_th_id: | |
52 | ta T_RD_THID | |
53 | wr %g0,ASI_CMP_CORE,%asi | |
54 | ||
55 | ! Disable the tick register | |
56 | stxa %g0,[0x38]%asi | |
57 | ||
58 | rd %tick,%g1 | |
59 | call sleep | |
60 | nop | |
61 | rd %tick,%g2 | |
62 | cmp %g1,%g2 | |
63 | bne %xcc,test_fail | |
64 | nop | |
65 | ||
66 | ! Enable the tick register | |
67 | set 0x1,%g3 | |
68 | stxa %g3,[0x38]%asi | |
69 | ||
70 | rd %tick,%g1 | |
71 | call sleep | |
72 | nop | |
73 | rd %tick,%g2 | |
74 | cmp %g1,%g2 | |
75 | bge %xcc,test_fail | |
76 | nop | |
77 | ||
78 | ! End of test | |
79 | cmp %o1,63 | |
80 | be test_pass | |
81 | nop | |
82 | ||
83 | ! Move to next thread | |
84 | ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi,%g1 | |
85 | sllx %g1,1,%g1 | |
86 | stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi | |
87 | ||
88 | halt: | |
89 | ba halt | |
90 | nop | |
91 | ||
92 | /****************************************************** | |
93 | * Subroutine code | |
94 | *******************************************************/ | |
95 | ||
96 | sleep: | |
97 | set 0x1f,%l0 | |
98 | sleep_loop: | |
99 | subcc %l0,1,%l0 | |
100 | bg sleep_loop | |
101 | nop | |
102 | retl | |
103 | nop | |
104 | ||
105 | /****************************************************** | |
106 | * Exit code | |
107 | *******************************************************/ | |
108 | ||
109 | test_pass: | |
110 | EXIT_GOOD | |
111 | ||
112 | test_fail: | |
113 | EXIT_BAD | |
114 |