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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: interrupt_QUEUE_DEV_MONDO_mode.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 | #define H_HT0_Interrupt_0x60 | |
42 | #define My_HT0_Interrupt_0x60 \ | |
43 | call my_interrupt_code; \ | |
44 | nop; \ | |
45 | retry; \ | |
46 | nop; | |
47 | ||
48 | #define H_HT0_Privileged_Action_0x37 | |
49 | #define My_HT0_Privileged_Action_0x37 \ | |
50 | call my_priv_action_trap_code; \ | |
51 | nop; \ | |
52 | done; \ | |
53 | nop; | |
54 | ||
55 | #define H_HT0_DAE_invalid_asi_0x14 my_H_T0_DAE_invalid_asi_0x14 | |
56 | ||
57 | #include "hboot.s" | |
58 | ||
59 | #include "ncu_defines.h" | |
60 | ||
61 | /************************************************************************ | |
62 | Test case code start | |
63 | ************************************************************************/ | |
64 | ||
65 | .text | |
66 | .global main | |
67 | ||
68 | main: | |
69 | ta T_CHANGE_HPRIV | |
70 | nop | |
71 | ||
72 | ! Switch to user mode | |
73 | user_mode: | |
74 | ta T_CHANGE_NONHPRIV | |
75 | ta T_CHANGE_NONPRIV | |
76 | ||
77 | ! Read and write ASI_QUEUE_DEV_MONDO_HEAD/TAIL registers | |
78 | ! Privileged Action traps expected. | |
79 | user_read: | |
80 | setx ASI_DEVICE_QUEUE_HEAD, %g1, %g7 | |
81 | setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 | |
82 | ldxa [%g7]ASI_QUEUE, %g0 | |
83 | ldxa [%g6]ASI_QUEUE, %g0 | |
84 | stxa %g0, [%g7]ASI_QUEUE | |
85 | stxa %g0, [%g6]ASI_QUEUE | |
86 | membar #Sync | |
87 | ||
88 | ! Check for 4 Privileged Action traps. | |
89 | user_trap_check: | |
90 | setx priv_action_trap_flag, %g1, %g2 | |
91 | ld [%g2], %g5 | |
92 | cmp %g5, 4 | |
93 | bne test_failed | |
94 | nop | |
95 | ||
96 | ! Go to supervisor mode for next interrupt | |
97 | super_mode: | |
98 | ta T_CHANGE_PRIV | |
99 | ta T_CHANGE_NONHPRIV | |
100 | ||
101 | ! Read and write ASI_QUEUE_DEV_MONDO_HEAD reg., expect no traps | |
102 | super_head: | |
103 | setx ASI_DEVICE_QUEUE_HEAD, %g1, %g7 | |
104 | ldxa [%g7]ASI_QUEUE, %g5 | |
105 | stxa %g5, [%g7]ASI_QUEUE | |
106 | membar #Sync | |
107 | ||
108 | ! Check that no more traps occured. | |
109 | super_head_trap_check: | |
110 | setx priv_action_trap_flag, %g1, %g2 | |
111 | ld [%g2], %g5 | |
112 | cmp %g5, 4 | |
113 | bne test_failed | |
114 | nop | |
115 | ||
116 | ! Read ASI_QUEUE_DEV_MONDO_TAIL reg. | |
117 | ! Expect no trap. | |
118 | super_tail_read: | |
119 | setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 | |
120 | ldxa [%g6]ASI_QUEUE, %g4 | |
121 | membar #Sync | |
122 | ||
123 | ! Check that no trap occured. | |
124 | super_tail_read_trap_check: | |
125 | setx priv_action_trap_flag, %g1, %g2 | |
126 | ld [%g2], %g5 | |
127 | cmp %g5, 4 | |
128 | bne test_failed | |
129 | nop | |
130 | ||
131 | ! Write ASI_QUEUE_DEV_MONDO_TAIL reg. | |
132 | ! Expect a DAE_invalid_ASI trap | |
133 | super_tail_write: | |
134 | setx 0x12345678, %g1, %g2 | |
135 | setx ASI_CPU_MONDO_QUEUE_TAIL, %g1, %g6 | |
136 | stxa %g2, [%g6]ASI_QUEUE | |
137 | membar #Sync | |
138 | ||
139 | ! Check that a DAE_invalid_trap trap occured. | |
140 | super_tail_write_trap_check: | |
141 | setx priv_action_trap_flag, %g1, %g2 | |
142 | ld [%g2], %g5 | |
143 | cmp %g5, 4 | |
144 | bne test_failed | |
145 | nop | |
146 | ||
147 | setx dae_invalid_trap_count, %g1, %g2 | |
148 | ld [%g2], %g5 | |
149 | cmp %g5, 1 | |
150 | bne test_failed | |
151 | nop | |
152 | ||
153 | ! Did the contents of ASI_DEV_MONDO_QUEUE_TAIL reg change? | |
154 | super_change_check: | |
155 | setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 | |
156 | ldxa [%g6]ASI_QUEUE, %g5 | |
157 | cmp %g4, %g5 | |
158 | bne test_failed | |
159 | nop | |
160 | ||
161 | ba test_passed | |
162 | nop | |
163 | ||
164 | ||
165 | /********************************************************************** | |
166 | Trap handlers: | |
167 | **********************************************************************/ | |
168 | ||
169 | .global my_interrupt_code | |
170 | .global my_priv_action_trap_code | |
171 | .global my_H_T0_DAE_invalid_asi_0x14 | |
172 | ||
173 | ||
174 | my_interrupt_code: | |
175 | ! Clear the interrupt | |
176 | ||
177 | ldxa [%g0]ASI_SWVR_INTR_R, %g0 | |
178 | membar #Sync | |
179 | ||
180 | ! Indicate interrupt occured | |
181 | setx user_data_start+16, %l1, %l2 | |
182 | lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 | |
183 | inc %l3 | |
184 | sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY | |
185 | ||
186 | jmpl %o7+0x8, %g0 | |
187 | nop | |
188 | ||
189 | ||
190 | ||
191 | ||
192 | my_priv_action_trap_code: | |
193 | ||
194 | setx priv_action_trap_flag, %l1, %l2 | |
195 | lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 | |
196 | add %l3, 1, %l3 | |
197 | sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY | |
198 | ||
199 | jmpl %o7+0x8, %g0 | |
200 | nop | |
201 | ||
202 | ||
203 | ||
204 | my_H_T0_DAE_invalid_asi_0x14: | |
205 | ! Increment the count | |
206 | ||
207 | setx dae_invalid_trap_count, %l1, %l2 | |
208 | lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 | |
209 | add %l3, 1, %l3 | |
210 | sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY | |
211 | membar #Sync | |
212 | ||
213 | done | |
214 | nop | |
215 | ||
216 | ||
217 | ||
218 | ||
219 | test_passed: | |
220 | EXIT_GOOD | |
221 | ||
222 | test_failed: | |
223 | EXIT_BAD | |
224 | ||
225 | ||
226 | /************************************************************************ | |
227 | Test case data start | |
228 | ************************************************************************/ | |
229 | .data | |
230 | user_data_start: | |
231 | .word 0x0 | |
232 | .word 0x0 | |
233 | dae_invalid_trap_count: | |
234 | .word 0x0 | |
235 | .word 0x0 | |
236 | .word 0x0 | |
237 | .word 0x0 | |
238 | priv_action_trap_flag: | |
239 | .word 0x0 | |
240 | .word 0x0 | |
241 | .end |