Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: n2_err_l2_LDAU_MEU_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_Precise_data_access_error_trap | |
39 | ||
40 | ||
41 | #define MAIN_PAGE_HV_ALSO | |
42 | ||
43 | ||
44 | #define L2_ENTRY_PA 0xa000000000 | |
45 | #define TEST_DATA1 0x5555555555555555 | |
46 | #define L2_ENTRY_PA0 0x2020000008 | |
47 | #define L2_ES_W1C_VALUE 0xc03ffff800000000 | |
48 | ||
49 | #include "hboot.s" | |
50 | #include "asi_s.h" | |
51 | #include "err_defines.h" | |
52 | ||
53 | .text | |
54 | .global main | |
55 | .global My_Precise_data_access_error_trap | |
56 | ||
57 | main: | |
58 | ||
59 | ||
60 | ! Boot code does not provide TLB translation for IO address space | |
61 | ta T_CHANGE_HPRIV | |
62 | ||
63 | disable_l1_DCache: | |
64 | ldxa [%g0] ASI_LSU_CONTROL, %l0 | |
65 | ! Remove bit 2 | |
66 | andn %l0, 0x2, %l0 | |
67 | stxa %l0, [%g0] ASI_LSU_CONTROL | |
68 | ||
69 | enable_err_reporting: | |
70 | setx L2EE_PA0, %l0, %l1 | |
71 | ! ldx [%l1], %l2 | |
72 | mov 0x3, %l0 | |
73 | or %l2, %l0, %l2 | |
74 | ! stx %l2, [%l1] | |
75 | ||
76 | clear_l2_ESR: | |
77 | setx L2_ES_W1C_VALUE, %l0, %l1 | |
78 | setx L2ES_PA0, %l6, %g1 | |
79 | stx %l1, [%g1] | |
80 | ||
81 | ||
82 | set_L2_Directly_Mapped_Mode: | |
83 | setx L2CS_PA0, %l6, %g1 | |
84 | mov 0x2, %l0 | |
85 | stx %l0, [%g1] | |
86 | ||
87 | store_to_L2: | |
88 | setx TEST_DATA1, %l0, %g5 | |
89 | ||
90 | store_to_L2_way0: | |
91 | setx 0x202000aa00, %l0, %g2 | |
92 | stx %g5, [%g2] | |
93 | stx %g5, [%g2+8] | |
94 | membar #Sync | |
95 | ||
96 | L2_diag_load: | |
97 | setx 0x3ffff8, %l0, %l2 ! Mask for extracting [21:3] | |
98 | setx L2_ENTRY_PA, %l0, %g4 | |
99 | and %g2, %l2, %g5 | |
100 | or %g5, %g4, %g5 | |
101 | ldx [%g5], %g6 | |
102 | membar #Sync | |
103 | ||
104 | ! Flip two bits | |
105 | xor %g6, 0x600, %g6 | |
106 | stx %g6, [%g5] | |
107 | membar #Sync | |
108 | ||
109 | reading_back_0: | |
110 | setx 0x202000aa00, %l0, %g2 | |
111 | ldx [%g2], %l6 | |
112 | ||
113 | ldsw: | |
114 | nop; !$EV trig_pc_d(0,@VA(.MAIN.ldsw)) -> siuDmaRd(202000aa00,2,0) | |
115 | ldx [%g2], %l6 | |
116 | membar #Sync | |
117 | ||
118 | check_sw_err_trap: | |
119 | ! Check if a Software Recoverable Error Trap happened | |
120 | set EXECUTED, %l0 | |
121 | cmp %o0, %l0 | |
122 | bne test_fail | |
123 | nop | |
124 | mov TT_Data_Access_Error, %l0 | |
125 | cmp %o1, %l0 | |
126 | bne test_fail | |
127 | nop | |
128 | ||
129 | ||
130 | enable_l1_DCache: | |
131 | ldxa [%g0] ASI_LSU_CONTROL, %l0 | |
132 | or %l0, 0x2, %l0 | |
133 | stxa %l0, [%g0] ASI_LSU_CONTROL | |
134 | ||
135 | compute_error: | |
136 | mov 0x1, %l1 | |
137 | sllx %l1, L2ES_MEU, %l7 | |
138 | sllx %l1, L2ES_VEU, %l3 | |
139 | or %l7, %l3, %l7 | |
140 | !mov 0x46, %l1 ! 7-bit Syndrome | |
141 | !sllx %l1, 21, %l3 ! Syndrome for [127:96] at [27:21] | |
142 | !or %l7, %l3, %l7 | |
143 | !sllx %g4, L2ES_TID, %l3 ! ID of thread that encountered error | |
144 | !or %l7, %l3, %l7 ! %l7 has expected value | |
145 | membar #Sync | |
146 | ||
147 | ||
148 | check_l2_ESR: | |
149 | setx L2ES_PA0, %l6, %g1 | |
150 | ldx [%g1], %l4 | |
151 | membar #Sync | |
152 | ||
153 | ! Not Checking SYND in this test | |
154 | set 0xffffffff, %l3 | |
155 | andn %l4, %l3, %l4 | |
156 | cmp %l7, %l4 | |
157 | bne test_fail | |
158 | nop | |
159 | nop | |
160 | ||
161 | ||
162 | check_l2_EAR: | |
163 | setx L2EA_PA0, %l6, %l3 | |
164 | ldx [%l3], %l4 | |
165 | membar #Sync | |
166 | ||
167 | ||
168 | load_DESR_L2C: | |
169 | set 0x18, %g3 | |
170 | ldxa [%g3] 0x58, %g2 | |
171 | ||
172 | verify_DESR: | |
173 | set 0xf, %l1 | |
174 | and %g2, %l1, %l3 | |
175 | mov 0x1, %l5 | |
176 | cmp %l5, %l3 | |
177 | bne test_fail | |
178 | nop | |
179 | ||
180 | ||
181 | ba test_pass | |
182 | nop | |
183 | ||
184 | My_Precise_data_access_error_trap: | |
185 | ! Signal trap taken | |
186 | setx EXECUTED, %l0, %o0 | |
187 | ! save trap type value | |
188 | rdpr %tt, %o1 | |
189 | ba check_sw_err_trap | |
190 | nop | |
191 | ||
192 | ||
193 | ||
194 | /******************************************************* | |
195 | * Exit code | |
196 | *******************************************************/ | |
197 | ||
198 | test_pass: | |
199 | ta T_GOOD_TRAP | |
200 | ||
201 | test_fail: | |
202 | ta T_BAD_TRAP | |
203 |