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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: n2_err_l2_LDAU_uecc_2thrds_trap.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_HV_ALSO | |
39 | ||
40 | ||
41 | #define L2_ENTRY_PA 0xa000000000 | |
42 | #define TEST_DATA1 0x5555555555555555 | |
43 | #define L2_ENTRY_PA0 0x2020000008 | |
44 | #define L2_ES_W1C_VALUE 0xc03ffff800000000 | |
45 | #define TT_Data_Access_Error 0x32 | |
46 | ||
47 | #include "hboot.s" | |
48 | #include "asi_s.h" | |
49 | #include "err_defines.h" | |
50 | ||
51 | .text | |
52 | .global main | |
53 | ||
54 | main: | |
55 | ||
56 | ||
57 | ! Boot code does not provide TLB translation for IO address space | |
58 | ta T_CHANGE_HPRIV | |
59 | ||
60 | get_th_id_o0: | |
61 | ta T_RD_THID | |
62 | ||
63 | cmp %o1, 0x0 | |
64 | be main_t0 | |
65 | nop | |
66 | ||
67 | cmp %o1, 0x1 | |
68 | be main_t1 | |
69 | nop | |
70 | ||
71 | ba test_pass | |
72 | nop | |
73 | ||
74 | main_t0: | |
75 | ba L20_Init | |
76 | nop | |
77 | ||
78 | ||
79 | main_t1: | |
80 | nop | |
81 | nop | |
82 | nop | |
83 | ba L21_Init | |
84 | nop | |
85 | nop | |
86 | ||
87 | L20_Init: | |
88 | disable_l1_DCache: | |
89 | ldxa [%g0] ASI_LSU_CONTROL, %l0 | |
90 | ! Remove bit 2 | |
91 | andn %l0, 0x2, %l0 | |
92 | stxa %l0, [%g0] ASI_LSU_CONTROL | |
93 | ||
94 | enable_err_reporting: | |
95 | setx L2EE_PA0, %l0, %l1 | |
96 | ldx [%l1], %l2 | |
97 | mov 0x3, %l0 | |
98 | or %l2, %l0, %l2 | |
99 | stx %l2, [%l1] | |
100 | ||
101 | clear_l2_ESR: | |
102 | setx L2_ES_W1C_VALUE, %l0, %l1 | |
103 | setx L2ES_PA0, %l6, %g1 | |
104 | stx %l1, [%g1] | |
105 | ||
106 | ||
107 | set_L2_Directly_Mapped_Mode: | |
108 | setx L2CS_PA0, %l6, %g1 | |
109 | mov 0x2, %l0 | |
110 | stx %l0, [%g1] | |
111 | set 0x100,%l1 | |
112 | add %g1,%l1,%g1 | |
113 | stx %l0, [%g1] | |
114 | ||
115 | ||
116 | check_th1_out_of_boot_code: | |
117 | set 0x20040100, %g3 | |
118 | ldx [%g3],%l2 | |
119 | membar #Sync | |
120 | set 0x11,%l1 | |
121 | cmp %l1,%l2 | |
122 | bne check_th1_out_of_boot_code | |
123 | nop | |
124 | ||
125 | ||
126 | store_to_L2: | |
127 | setx TEST_DATA1, %l0, %g5 | |
128 | ||
129 | store_to_L2_way0: | |
130 | set 0x2000aa08, %g2 | |
131 | stx %g5, [%g2] | |
132 | membar #Sync | |
133 | ||
134 | set 0x1e,%l1 | |
135 | clr %l2 | |
136 | loop: | |
137 | inc %l2 | |
138 | cmp %l1,%l2 | |
139 | bne loop | |
140 | nop | |
141 | ||
142 | L2_diag_load: | |
143 | set 0x3ffff8, %l2 ! Mask for extracting [21:3] | |
144 | setx L2_ENTRY_PA, %l0, %g4 | |
145 | and %g2, %l2, %g5 | |
146 | or %g5, %g4, %g5 | |
147 | ldx [%g5], %g6 | |
148 | membar #Sync | |
149 | ||
150 | ! Flip two bits | |
151 | xor %g6, 0x600, %g6 | |
152 | stx %g6, [%g5] | |
153 | membar #Sync | |
154 | ||
155 | set 0x1e,%l1 | |
156 | clr %l2 | |
157 | loop1: | |
158 | inc %l2 | |
159 | cmp %l1,%l2 | |
160 | bne loop1 | |
161 | nop | |
162 | ||
163 | ||
164 | reading_back_0: | |
165 | set 0x2000aa00, %g2 | |
166 | ldx [%g2], %l6 | |
167 | membar #Sync | |
168 | ||
169 | set 0x1e,%l1 | |
170 | clr %l2 | |
171 | loop2: | |
172 | inc %l2 | |
173 | cmp %l1,%l2 | |
174 | bne loop2 | |
175 | nop | |
176 | ||
177 | ||
178 | indicate_err_injected: | |
179 | set 0x200c0100, %g3 | |
180 | set 0x222,%l2 | |
181 | stx %l2,[%g3] | |
182 | ||
183 | ||
184 | check_dataAc_err_trap: | |
185 | ! Check if a Software Recoverable Error Trap happened | |
186 | set EXECUTED, %l0 | |
187 | cmp %o0, %l0 | |
188 | bne test_fail | |
189 | nop | |
190 | mov TT_Data_Access_Error, %l0 | |
191 | cmp %o1, %l0 | |
192 | bne test_fail | |
193 | nop | |
194 | ||
195 | ||
196 | compute_error: | |
197 | mov 0x1, %l1 | |
198 | sllx %l1, L2ES_LDAU, %l7 | |
199 | sllx %l1, L2ES_VEU, %l3 | |
200 | or %l7, %l3, %l7 | |
201 | sllx %l1, L2ES_MEU, %l3 | |
202 | or %l7, %l3, %l7 | |
203 | ||
204 | check_l2_ESR: | |
205 | setx L2ES_PA0, %l6, %g1 | |
206 | ldx [%g1], %l4 | |
207 | membar #Sync | |
208 | ||
209 | ! Not Checking SYND in this test | |
210 | set 0xffffffff, %l3 | |
211 | andn %l4, %l3, %l4 | |
212 | cmp %l7, %l4 | |
213 | bne test_fail | |
214 | nop | |
215 | nop | |
216 | ||
217 | ||
218 | check_l2_EAR: | |
219 | setx L2EA_PA0, %l6, %l3 | |
220 | ldx [%l3], %l4 | |
221 | membar #Sync | |
222 | ||
223 | ba test_pass | |
224 | nop | |
225 | ||
226 | ! Thread 1 starts here | |
227 | /*********** Thread 1 *********/ | |
228 | ||
229 | L21_Init: | |
230 | ||
231 | ||
232 | indicate_out_of_boot: | |
233 | set 0x20040100, %g3 | |
234 | set 0x11,%l2 | |
235 | stx %l2,[%g3] | |
236 | ||
237 | check_th0_err_injected: | |
238 | set 0x200c0100, %g3 | |
239 | ldx [%g3],%l2 | |
240 | membar #Sync | |
241 | set 0x222,%l1 | |
242 | cmp %l1,%l2 | |
243 | bne check_th0_err_injected | |
244 | nop | |
245 | ||
246 | reading_back_th1: | |
247 | set 0x2000aa08, %g2 | |
248 | ldx [%g2], %l6 | |
249 | membar #Sync | |
250 | ||
251 | set 0x1e,%l1 | |
252 | clr %l2 | |
253 | loop3: | |
254 | inc %l2 | |
255 | cmp %l1,%l2 | |
256 | bne loop3 | |
257 | nop | |
258 | ||
259 | check_dataAc_err_trap_th1: | |
260 | ! Check if a Software Recoverable Error Trap happened | |
261 | set EXECUTED, %l0 | |
262 | cmp %o0, %l0 | |
263 | bne test_fail | |
264 | nop | |
265 | mov TT_Data_Access_Error, %l0 | |
266 | cmp %o1, %l0 | |
267 | bne test_fail | |
268 | nop | |
269 | ||
270 | compute_error_th1: | |
271 | mov 0x1, %l1 | |
272 | sllx %l1, L2ES_LDAU, %l7 | |
273 | sllx %l1, L2ES_VEU, %l3 | |
274 | or %l7, %l3, %l7 | |
275 | sllx %l1, L2ES_MEU, %l3 | |
276 | or %l7, %l3, %l7 | |
277 | ||
278 | check_l2_ESR_th1: | |
279 | setx L2ES_PA0, %l6, %g1 | |
280 | ldx [%g1], %l4 | |
281 | membar #Sync | |
282 | ||
283 | ! Not Checking SYND in this test | |
284 | set 0xffffffff, %l3 | |
285 | andn %l4, %l3, %l4 | |
286 | cmp %l7, %l4 | |
287 | bne test_fail | |
288 | nop | |
289 | nop | |
290 | ||
291 | ||
292 | check_l2_EAR_th1: | |
293 | setx L2EA_PA0, %l6, %l3 | |
294 | ldx [%l3], %l4 | |
295 | membar #Sync | |
296 | ||
297 | ||
298 | ba test_pass | |
299 | nop | |
300 | ||
301 | ||
302 | /******************************************************* | |
303 | * Exit code | |
304 | *******************************************************/ | |
305 | ||
306 | test_pass: | |
307 | ta T_GOOD_TRAP | |
308 | ||
309 | test_fail: | |
310 | ta T_BAD_TRAP | |
311 | ||
312 |