Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / verif / diag / assembly / arch / prm / cmp / cmp_park_all_rw.s
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1/*
2* ========== Copyright Header Begin ==========================================
3*
4* OpenSPARC T2 Processor File: cmp_park_all_rw.s
5* Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
6* 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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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
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33* have any questions.
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36* ========== Copyright Header End ============================================
37*/
38#define MAIN_PAGE_HV_ALSO
39
40#include "hboot.s"
41#include "ncu_defines.h"
42
43
44
45/************************************************************************
46 Test case code start
47 ************************************************************************/
48.text
49.global main
50
51main:
52 ta T_CHANGE_HPRIV
53 nop
54
55 /* Get thread ID */
56
57 ta T_RD_THID
58
59 /* Wait until this thread's turn to run. */
60start_loop:
61 setx 0x1000, %g1, %g7
62 setx user_data_start, %g1, %g2
63
64start_loop_top:
65 cmp %g7, 0
66 beq local_test_failed ! timeout failure
67 dec %g7
68
69 ldx [%g2], %g6
70 cmp %o1, %g6
71 bne start_loop_top
72 nop
73
74 /* Attempt to park all threads. */
75diag_0:
76 setx ASI_CMP_CORE_RUNNING_RW, %g1, %g2
77 setx ASI_CMP_CORE_RUNNING_STATUS, %g1, %g3
78 stxa %g0, [%g2]ASI_CMP_CORE
79
80 /* Wait to give time for threads to park. */
81park_wait_loop:
82 set 0x40, %g7
83
84park_wait_loop_top:
85 cmp %g7, 0
86 bne park_wait_loop_top
87 dec %g7
88
89 /* Check CORE_RUNNING_RW and CORE_RUNNING_STATUS registers
90 indicate that only this thread is running. */
91diag_1:
92 ta T_RD_THID
93 set 1, %g4
94 sllx %g4, %o1, %g4
95
96 ldxa [%g2]ASI_CMP_CORE, %g5 ! CORE_RUNNING_RW
97 ldxa [%g3]ASI_CMP_CORE, %g6 ! CORE_RUNNING_STATUS
98 cmp %g5, %g6
99 bne local_test_failed ! should be same by now
100 cmp %g6, %g4
101 bne local_test_failed ! should only be this thread unparked
102 nop
103
104 /* Unpark all threads. */
105
106 orn %g0, %g0, %g4
107 stxa %g4, [%g2]ASI_CMP_CORE ! CORE_RUNNING_RW
108
109 /* Wait to give time for threads to unpark. */
110unpark_wait_loop:
111 set 0x40, %g7
112
113unpark_wait_loop_top:
114 cmp %g7, 0
115 bne unpark_wait_loop_top
116 dec %g7
117
118 /* Check CORE_RUNNING_RW and CORE_RUNNING_STATUS registers
119 indicated that only this thread is running. */
120diag_2:
121 ldxa [%g2]ASI_CMP_CORE, %g5 ! CORE_RUNNING_RW
122 ldxa [%g3]ASI_CMP_CORE, %g6 ! CORE_RUNNING_STATUS
123 cmp %g5, %g6
124 bne local_test_failed ! should be same by now
125 orn %g0, %g0, %g4
126 cmp %g6, %g4
127 bne local_test_failed ! all threads should be running now
128 nop
129
130 /* Signal the next thread to do its testing. */
131diag_3:
132 setx user_data_start, %g1, %g5
133 ldx [%g5], %g6
134 inc %g6
135 stx %g6, [%g5]
136
137 /* Wait until all threads are done. */
138end_wait_loop:
139 setx 0x1000, %g1, %g7
140
141end_wait_loop_top:
142 cmp %g7, 0
143 beq local_test_failed ! fail on a timeout
144 dec %g7
145
146 ldx [%g5], %g4
147 cmp %g4, 64 ! 64 indicates all threads done
148 bne end_wait_loop_top
149 nop
150
151 /* Done */
152
153 ba test_passed
154 nop
155
156
157
158test_passed:
159 EXIT_GOOD
160
161local_test_failed:
162 EXIT_BAD
163
164
165
166/************************************************************************
167 Test case data start
168 ************************************************************************/
169
170.align 1024
171.data
172user_data_start:
173 .word 0x0
174 .word 0x0
175 .word 0x0
176 .word 0x0