Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ncu_all_core_wakeup.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_o0: | |
52 | ta T_RD_THID | |
53 | wr %g0,ASI_CMP_CORE,%asi | |
54 | ||
55 | cmp %o1,0x0 | |
56 | be main_t0 | |
57 | nop | |
58 | cmp %o1,56 | |
59 | bge t_last_core | |
60 | nop | |
61 | ba t_others | |
62 | nop | |
63 | ||
64 | main_t0: | |
65 | ||
66 | setx 0xffffff0000,%g7,%g1 | |
67 | lduw [%g1],%g2 | |
68 | cmp %g2,0x2 | |
69 | be test_2 | |
70 | nop | |
71 | cmp %g2,0x1 | |
72 | be test_1 | |
73 | nop | |
74 | ||
75 | test_0: | |
76 | !! Read the core available register | |
77 | ldxa [ASI_CMP_CORE_AVAIL]%asi, %g1 | |
78 | xnor %g0,%g0,%g6 | |
79 | cmp %g1,%g6 | |
80 | bne %xcc,test_fail | |
81 | nop | |
82 | ||
83 | !! Enable/Disable other cores | |
84 | setx 0x53ff017fff00ffff,%g7,%g1 | |
85 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
86 | ldxa [ASI_CMP_CORE_ENABLE]%asi, %g2 | |
87 | setx 0x00ff0000ff00ffff,%g7,%g3 | |
88 | cmp %g2,%g3 | |
89 | bne %xcc,test_fail | |
90 | nop | |
91 | ||
92 | setx 0x23ecffffff234400,%g7,%g1 | |
93 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
94 | ldxa [ASI_CMP_CORE_ENABLE]%asi, %g2 | |
95 | setx 0x0000ffffff000000,%g7,%g3 | |
96 | cmp %g2,%g3 | |
97 | bne %xcc,test_fail | |
98 | nop | |
99 | ||
100 | setx 0x0102040810204080,%g7,%g1 | |
101 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
102 | ldxa [ASI_CMP_CORE_ENABLE]%asi, %g2 | |
103 | setx 0x00000000000000ff,%g7,%g3 | |
104 | cmp %g2,%g3 | |
105 | bne %xcc,test_fail | |
106 | nop | |
107 | ||
108 | setx 0x0102040810204080,%g7,%g1 | |
109 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
110 | ldxa [ASI_CMP_CORE_ENABLE]%asi, %g2 | |
111 | cmp %g2,%g3 | |
112 | bne %xcc,test_fail | |
113 | nop | |
114 | ||
115 | ! Next test section | |
116 | setx 0xffffff0000,%g7,%g1 | |
117 | set 0x1,%g3 | |
118 | stw %g3,[%g1] | |
119 | lduw [%g1],%g3 | |
120 | ||
121 | ! Warm reset | |
122 | setx 0x8900000808,%g7,%g2 | |
123 | stx %g3,[%g2] | |
124 | ||
125 | ! Wait for warm reset | |
126 | halt: | |
127 | ba halt | |
128 | nop | |
129 | ||
130 | test_1: | |
131 | ldxa [ASI_CMP_CORE_ENABLED]%asi, %g1 | |
132 | setx 0x00000000000000ff,%g7,%g6 | |
133 | cmp %g1,%g6 | |
134 | bne %xcc,test_fail | |
135 | nop | |
136 | ||
137 | ! Enable threads in all other cores | |
138 | setx 0xffffffffffffff00,%g7,%g1 | |
139 | stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi | |
140 | ||
141 | ! Should not start the other core until a warm reset | |
142 | ! Wait a while and see if any thread woke up | |
143 | ||
144 | call sleep | |
145 | nop | |
146 | call sleep | |
147 | nop | |
148 | ||
149 | setx 0xffffff0100, %g7,%g4 | |
150 | lduw [%g4],%g2 | |
151 | cmp %g2,%g0 | |
152 | bne test_fail | |
153 | nop | |
154 | ||
155 | ! Enable some of the other cores | |
156 | setx 0x19ff4071ffccffff,%g7,%g1 | |
157 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
158 | ||
159 | ! Next test section | |
160 | setx 0xffffff0000,%g7,%g1 | |
161 | set 0x2,%g3 | |
162 | stw %g3,[%g1] | |
163 | lduw [%g1],%g3 | |
164 | ||
165 | ! Warm reset | |
166 | setx 0x8900000808,%g7,%g2 | |
167 | set 0x1,%g3 | |
168 | stx %g3,[%g2] | |
169 | ||
170 | ! Wait for warm reset | |
171 | ba halt | |
172 | nop | |
173 | ||
174 | test_2: | |
175 | ldxa [ASI_CMP_CORE_ENABLED]%asi, %g1 | |
176 | setx 0x00ff0000ff00ffff,%g7,%g6 | |
177 | cmp %g1,%g6 | |
178 | bne %xcc,test_fail | |
179 | nop | |
180 | ||
181 | ! Set flag in memory before waking up other threads | |
182 | setx other_cores,%g7,%g1 | |
183 | set 0x1,%g2 | |
184 | stw %g2,[%g1] | |
185 | ||
186 | ! Enable thread 0 in all other cores | |
187 | setx 0xff01ffff01ff0101,%g7,%g1 | |
188 | stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi | |
189 | ||
190 | ! Just wait for a while first | |
191 | call sleep | |
192 | nop | |
193 | ||
194 | setx 0xffffff0100,%g7,%g4 | |
195 | wait_loop: | |
196 | lduw [%g4],%g2 | |
197 | cmp %g2, 0x50 | |
198 | bne wait_loop | |
199 | nop | |
200 | ||
201 | ! Wait a little longer to see if someone else also woke up | |
202 | call sleep | |
203 | nop | |
204 | ||
205 | lduw [%g4],%g2 | |
206 | cmp %g2, 0x50 | |
207 | bne test_fail | |
208 | nop | |
209 | ||
210 | !! Disable yourself | |
211 | setx 0xff00000000000000,%g7,%g1 | |
212 | stxa %g1,[ASI_CMP_CORE_ENABLE]%asi | |
213 | setx 0x8900000808,%g7,%g2 | |
214 | set 0x01,%g3 | |
215 | stx %g3,[%g2] | |
216 | ||
217 | ba halt | |
218 | nop | |
219 | ||
220 | t_last_core: | |
221 | wr %g0,ASI_CMP_CORE,%asi | |
222 | ldxa [ASI_CMP_CORE_ENABLED]%asi, %g1 | |
223 | setx 0xff00000000000000,%g7,%g6 | |
224 | cmp %g1,%g6 | |
225 | bne %xcc,test_fail | |
226 | nop | |
227 | ||
228 | ! End of test | |
229 | ba test_pass | |
230 | nop | |
231 | ||
232 | t_others: | |
233 | ! Get access to common cntrs | |
234 | set 0x1,%g2 | |
235 | setx other_cores,%g7,%g1 | |
236 | set 0x0,%g3 | |
237 | ||
238 | spin_lock_ot: | |
239 | cas [%g1],%g2,%g3 | |
240 | cmp %g3,0x1 | |
241 | bne spin_lock_ot | |
242 | nop | |
243 | ||
244 | setx 0xffffff0100,%g7,%g4 | |
245 | lduw [%g4],%g2 | |
246 | add %g2,%o1,%g2 | |
247 | stw %g2,[%g4] | |
248 | lduw [%g4],%g2 | |
249 | ||
250 | ! Release common cntrs | |
251 | stw %g3,[%g1] | |
252 | ba test_pass | |
253 | nop | |
254 | ||
255 | /****************************************************** | |
256 | * Subroutine code | |
257 | *******************************************************/ | |
258 | ||
259 | sleep: | |
260 | rd %tick,%l2 | |
261 | setx 0x0000000000000fff,%g7,%l1 | |
262 | add %l1,%l2,%l1 | |
263 | sleep_loop: | |
264 | rd %tick,%l2 | |
265 | cmp %l1,%l2 | |
266 | bpos %xcc,sleep_loop | |
267 | nop | |
268 | retl | |
269 | nop | |
270 | ||
271 | /****************************************************** | |
272 | * Exit code | |
273 | *******************************************************/ | |
274 | ||
275 | test_pass: | |
276 | EXIT_GOOD | |
277 | ||
278 | test_fail: | |
279 | EXIT_BAD | |
280 | ||
281 | .data | |
282 | other_core_thrd_cnt: | |
283 | .word 0x00000000 | |
284 | other_cores: | |
285 | .word 0x00000001 | |
286 | .end | |
287 |