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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: n2_ras_vec_ncu_peu_piord_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 H_HT0_Data_access_error_0x32 My_Data_access_error_trap | |
39 | ||
40 | #define ENABLE_PCIE_LINK_TRAINING | |
41 | #define MAIN_PAGE_HV_ALSO | |
42 | ||
43 | #define SOC_ERR_STEERING_REG 0x9001041000 | |
44 | ||
45 | #include "err_defines.h" | |
46 | #include "hboot.s" | |
47 | #include "peu_defines.h" | |
48 | ||
49 | ||
50 | #define IO_RD_ADDR mpeval((N2_PCIE_BASE_ADDR + (IOCFG_OFFSET_BASE_REG_DATA & 0x7fffffffffffffff)) | IO_ACCESS_PA) | |
51 | ||
52 | ||
53 | /************************************************************************ | |
54 | Test case code start | |
55 | ************************************************************************/ | |
56 | .text | |
57 | .global main | |
58 | .global My_Data_access_error_trap | |
59 | ||
60 | main: | |
61 | ta T_CHANGE_HPRIV | |
62 | nop | |
63 | ||
64 | ||
65 | errorsteer: | |
66 | ldxa [%g0]ASI_INTR_ID, %o4 ! get the thread id; for core-portable | |
67 | setx SOC_ERR_STEERING_REG, %g7, %g1 | |
68 | stx %o4, [%g1] | |
69 | ||
70 | membar 0x40 | |
71 | ||
72 | ||
73 | ||
74 | clear_esr_first: | |
75 | setx SOC_ESR_REG, %l7, %i0 | |
76 | stx %g0, [%i0] | |
77 | ||
78 | ||
79 | set_err_field: | |
80 | set 0x1, %i1 | |
81 | sllx %i1, ERR_FIELD, %i2 | |
82 | setx SOC_EIE_REG, %l7, %i3 | |
83 | ||
84 | #ifdef EIE | |
85 | set_eie: | |
86 | stx %i2, [%i3] | |
87 | membar 0x40 | |
88 | #endif | |
89 | ||
90 | set_ejr: | |
91 | setx SOC_EJR_REG, %l7, %i3 | |
92 | stx %i2, [%i3] | |
93 | membar 0x40 | |
94 | ||
95 | pio: | |
96 | ! select an IO address in PCI address range and transmit the command to NCU | |
97 | setx IO_RD_ADDR, %g1, %g2 | |
98 | ||
99 | ! load byte - all byte offsets within an octlet | |
100 | ldub [%g2 + 1*8 + 0], %l0 | |
101 | ||
102 | setx 0x40, %l1, %g4 | |
103 | delay_loop: | |
104 | nop | |
105 | nop | |
106 | nop | |
107 | dec %g4 | |
108 | brnz %g4, delay_loop | |
109 | nop | |
110 | ||
111 | ||
112 | ||
113 | /****************************** | |
114 | Error Check | |
115 | ******************************/ | |
116 | err_check: | |
117 | nop | |
118 | ||
119 | check_esr: | |
120 | setx SOC_ESR_REG, %l7, %i0 | |
121 | ldx [%i0], %i1 | |
122 | nop | |
123 | ||
124 | setx 0x8000000000000000, %l7, %o3 !valid bit | |
125 | set 0x1, %i2 | |
126 | sllx %i2, ERR_FIELD, %i3 | |
127 | or %i3, %o3, %i4 | |
128 | ||
129 | /* It will take trap whether EIE enabled or not as ld return data has the error bit set | |
130 | But if EIE is not set ESR data will not be copied to PER | |
131 | If EIE is set ESR data will be copied to ESR | |
132 | ||
133 | But for EIE set, ESR data might not be zero if followed by transaction | |
134 | again causes the error to be set; though in this case ESR should be zero | |
135 | as we dont have any following DMU PIO transaction, so no more error and esr is zero | |
136 | */ | |
137 | ||
138 | #ifdef EIE | |
139 | sub %i1, %g0, %i5 | |
140 | brnz %i5, test_failed | |
141 | nop | |
142 | #else | |
143 | sub %i1, %i4, %i5 | |
144 | brnz %i5, test_failed | |
145 | nop | |
146 | #endif | |
147 | ||
148 | ||
149 | ||
150 | ! Check if a Corrected ECC Trap happened | |
151 | check_error_trap: | |
152 | setx EXECUTED, %l1, %l0 | |
153 | cmp %o0, %l0 | |
154 | bne test_failed | |
155 | nop | |
156 | mov TT, %l0 | |
157 | cmp %o1, %l0 | |
158 | bne test_failed | |
159 | nop | |
160 | /*************************************/ | |
161 | ||
162 | /********************************/ | |
163 | ||
164 | test_passed: | |
165 | EXIT_GOOD | |
166 | ||
167 | test_failed: | |
168 | EXIT_BAD | |
169 | ||
170 | ||
171 | My_Data_access_error_trap: | |
172 | ! Signal trap taken | |
173 | setx EXECUTED, %l0, %o0 | |
174 | ! save trap type value | |
175 | rdpr %tt, %o1 | |
176 | ||
177 | /****************************************************************************************** | |
178 | When EIE enabled 2 Int sent to Core: one is for precise trap; next for SoCErrorPkt | |
179 | So both DESR and DSFSR are expected to be set but when EIE not set only DSFSR is to be set | |
180 | *******************************************************************************************/ | |
181 | #ifdef EIE | |
182 | check_desr_tt32: | |
183 | ldxa [%g0]0x4c, %g2 | |
184 | nop | |
185 | setx 0xb300000000000000, %l0, %g3 | |
186 | subcc %g2, %g3, %g4 | |
187 | brnz %g4, test_failed | |
188 | nop | |
189 | #endif | |
190 | check_DSFSR_tt32: | |
191 | set 0x18, %g1 | |
192 | ldxa [%g1]0x58, %g2 | |
193 | nop | |
194 | set 0x4, %g3 | |
195 | subcc %g2, %g3, %g4 | |
196 | brnz %g4, test_failed | |
197 | nop | |
198 | ||
199 | #ifdef EIE | |
200 | check_per_tt32: | |
201 | setx SOC_PER_REG, %l7, %i0 | |
202 | ldx [%i0], %i1 | |
203 | setx 0x8000000000000000, %l7, %o3 !valid bit | |
204 | set 0x1, %i2 | |
205 | sllx %i2, ERR_FIELD, %i3 | |
206 | or %i3, %o3, %i4 | |
207 | sub %i1, %i4, %i5 | |
208 | brnz %i5, test_failed | |
209 | nop | |
210 | ||
211 | clear_per_tt32: | |
212 | setx SOC_PER_REG, %l7, %i0 | |
213 | stx %g0, [%i0] | |
214 | nop | |
215 | #endif | |
216 | ||
217 | done | |
218 | nop | |
219 | ||
220 | ||
221 | ||
222 | /************************************************************************ | |
223 | Test case data start | |
224 | ************************************************************************/ | |
225 | ||
226 | SECTION .DATA DATA_VA=IO_RD_ADDR | |
227 | attr_data { | |
228 | Name = .DATA, | |
229 | hypervisor, | |
230 | compressimage | |
231 | } | |
232 | ||
233 | .data | |
234 | .xword 0xdeadbeefdeadbeef | |
235 | ||
236 | .xword 0x1101010101010101 | |
237 | .xword 0x0122010101010101 | |
238 | .xword 0x0101330101010101 | |
239 | .xword 0x0101014401010101 | |
240 | .xword 0x0101010155010101 | |
241 | .xword 0x0101010101660101 | |
242 | .xword 0x0101010101017701 | |
243 | .xword 0x0101010101010188 | |
244 | ||
245 | .xword 0x1122010101010101 | |
246 | .xword 0x0101334401010101 | |
247 | .xword 0x0101010155660101 | |
248 | .xword 0x0101010101017788 | |
249 | ||
250 | .xword 0x1122334401010101 | |
251 | .xword 0x0101010155667788 | |
252 | ||
253 | .xword 0xdeadbeefdeadbeef | |
254 | ||
255 | /************************************************************************/ |