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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ncu_park_unpark_by_running_rw.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 | cmp %o1,0x0 | |
56 | be t_0 | |
57 | nop | |
58 | cmp %o1,0x3f | |
59 | be t_63 | |
60 | nop | |
61 | ||
62 | ! Just halt all other threads | |
63 | halt: | |
64 | ba halt | |
65 | nop | |
66 | ||
67 | t_0: | |
68 | ||
69 | ! Enable/disable other threads and check status to see if | |
70 | ! these threads were correctly parked/unparked | |
71 | ||
72 | ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2 | |
73 | set 0x1,%g1 | |
74 | cmp %g2,%g1 | |
75 | bne %xcc,test_fail | |
76 | nop | |
77 | ||
78 | setx asi_running_rw_mask,%l0,%g7 | |
79 | set 0x20,%g5 | |
80 | ||
81 | loop: | |
82 | ldx [%g7],%g1 | |
83 | stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi | |
84 | call sleep | |
85 | nop | |
86 | ||
87 | cmp %g1,%g0 | |
88 | bne skip | |
89 | nop | |
90 | or %g1,0x1,%g1 | |
91 | ||
92 | skip: | |
93 | ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2 | |
94 | cmp %g1,%g2 | |
95 | bne test_fail | |
96 | nop | |
97 | ||
98 | subcc %g5,1,%g5 | |
99 | bnz loop | |
100 | add %g7,0x8,%g7 | |
101 | ||
102 | ba test_pass | |
103 | nop | |
104 | ||
105 | t_63: | |
106 | setx 0xaaaaaaaaaaaaaaaa,%l0,%g1 | |
107 | ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2 | |
108 | cmp %g1,%g2 | |
109 | bne test_fail | |
110 | nop | |
111 | ||
112 | ba test_pass | |
113 | nop | |
114 | ||
115 | sleep: | |
116 | rd %tick,%l2 | |
117 | setx 0x04ff,%l0,%l1 | |
118 | add %l1,%l2,%l1 | |
119 | sleep_loop: | |
120 | rd %tick,%l2 | |
121 | cmp %l1,%l2 | |
122 | bpos sleep_loop | |
123 | nop | |
124 | retl | |
125 | nop | |
126 | ||
127 | /****************************************************** | |
128 | * Exit code | |
129 | *******************************************************/ | |
130 | ||
131 | test_pass: | |
132 | EXIT_GOOD | |
133 | ||
134 | test_fail: | |
135 | EXIT_BAD | |
136 | ||
137 | .data | |
138 | asi_running_rw_mask: | |
139 | .xword 0x6849543973ffaceb | |
140 | .xword 0x3873423420976291 | |
141 | .xword 0x0876cedec243baa1 | |
142 | .xword 0x2fccafcafadeafcd | |
143 | .xword 0x7876234524000005 | |
144 | .xword 0x423287634bcafed9 | |
145 | .xword 0x54cad5362ddcec99 | |
146 | .xword 0x10027373bced6941 | |
147 | .xword 0x58cde0de5438b099 | |
148 | .xword 0x6763245926423463 | |
149 | .xword 0x398bcade2345326b | |
150 | .xword 0x376324c2de739295 | |
151 | .xword 0x0acedceafdbffbed | |
152 | .xword 0x12823c3de3cfade3 | |
153 | .xword 0x72bacfed35384767 | |
154 | .xword 0x5555555555555555 | |
155 | .xword 0x787342342097629f | |
156 | .xword 0x4876cedec243baa1 | |
157 | .xword 0x2fccafcafadeafcd | |
158 | .xword 0x2876234524000009 | |
159 | .xword 0x0000000000000001 | |
160 | .xword 0x6000000000000001 | |
161 | .xword 0x0040000000000001 | |
162 | .xword 0x0000200000000001 | |
163 | .xword 0x0000001000000001 | |
164 | .xword 0x0000000000000001 | |
165 | .xword 0x00000000ff000001 | |
166 | .xword 0x0000000000770001 | |
167 | .xword 0x000000000000ff01 | |
168 | .xword 0x0000000000000023 | |
169 | .xword 0x7fffffffffffffff | |
170 | .xword 0xaaaaaaaaaaaaaaaa | |
171 | .end |