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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: isa3_intlevel_121503.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 | ! Enable main section to run in PRIV mode | |
40 | #define MAIN_PAGE_NUCLEUS_ALSO | |
41 | ||
42 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
43 | !Override trap handler definitions | |
44 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
45 | ||
46 | ! Trap should set %l6=TT which is verified in main program | |
47 | ! and set %pil=15 or clear %softint | |
48 | ! to keep trap from firing again on return from trap | |
49 | ||
50 | #define MY_GENERIC_TRAP \ | |
51 | mov 0xf, %l3; \ | |
52 | wrpr %l3, %l7, %pil; \ | |
53 | rdpr %tt, %l6; \ | |
54 | inc %i7; \ | |
55 | retry; \ | |
56 | nop; | |
57 | ||
58 | #define H_T0_Interrupt_Level_1_0x41 | |
59 | #define My_T0_Interrupt_Level_1_0x41 MY_GENERIC_TRAP | |
60 | ||
61 | #define H_T0_Interrupt_Level_2_0x42 | |
62 | #define My_T0_Interrupt_Level_2_0x42 MY_GENERIC_TRAP | |
63 | ||
64 | #define H_T0_Interrupt_Level_3_0x43 | |
65 | #define My_T0_Interrupt_Level_3_0x43 MY_GENERIC_TRAP | |
66 | ||
67 | #define H_T0_Interrupt_Level_4_0x44 | |
68 | #define My_T0_Interrupt_Level_4_0x44 MY_GENERIC_TRAP | |
69 | ||
70 | #define H_T0_Interrupt_Level_5_0x45 | |
71 | #define My_T0_Interrupt_Level_5_0x45 MY_GENERIC_TRAP | |
72 | ||
73 | #define H_T0_Interrupt_Level_6_0x46 | |
74 | #define My_T0_Interrupt_Level_6_0x46 MY_GENERIC_TRAP | |
75 | ||
76 | #define H_T0_Interrupt_Level_7_0x47 | |
77 | #define My_T0_Interrupt_Level_7_0x47 MY_GENERIC_TRAP | |
78 | ||
79 | #define H_T0_Interrupt_Level_8_0x48 | |
80 | #define My_T0_Interrupt_Level_8_0x48 MY_GENERIC_TRAP | |
81 | ||
82 | #define H_T0_Interrupt_Level_9_0x49 | |
83 | #define My_T0_Interrupt_Level_9_0x49 MY_GENERIC_TRAP | |
84 | ||
85 | #define H_T0_Interrupt_Level_10_0x4a | |
86 | #define My_T0_Interrupt_Level_10_0x4a MY_GENERIC_TRAP | |
87 | ||
88 | #define H_T0_Interrupt_Level_11_0x4b | |
89 | #define My_T0_Interrupt_Level_11_0x4b MY_GENERIC_TRAP | |
90 | ||
91 | #define H_T0_Interrupt_Level_12_0x4c | |
92 | #define My_T0_Interrupt_Level_12_0x4c MY_GENERIC_TRAP | |
93 | ||
94 | #define H_T0_Interrupt_Level_13_0x4d | |
95 | #define My_T0_Interrupt_Level_13_0x4d MY_GENERIC_TRAP | |
96 | ||
97 | #define H_T0_Interrupt_Level_14_0x4e | |
98 | #define My_T0_Interrupt_Level_14_0x4e MY_GENERIC_TRAP | |
99 | ||
100 | #define H_T0_Interrupt_Level_15_0x4f | |
101 | #define My_T0_Interrupt_Level_15_0x4f MY_GENERIC_TRAP | |
102 | ||
103 | #define CREGS_PSTATE_IE 1 ! Set PSTATE.IE=1 | |
104 | ||
105 | #include "hboot.s" | |
106 | ||
107 | /************************************************************************ | |
108 | Test case code start | |
109 | ************************************************************************/ | |
110 | ||
111 | .text | |
112 | .global main | |
113 | ||
114 | main: /* test begin */ | |
115 | ||
116 | ta T_CHANGE_PRIV ! Change to PRIV mode | |
117 | ||
118 | ! local reg usage for this diag | |
119 | ! %l0 = 0x0 always | |
120 | ! %l1 = n = interrupt level | |
121 | ! %l2 = tmp register | |
122 | ! %l3 = tmp register | |
123 | ! %l4 = SOFTINT value | |
124 | ! %l5 = PIL value | |
125 | ! %l6 = TT value | |
126 | ! %l7 = tmp register | |
127 | ! %i7 = number of traps taken | |
128 | ||
129 | init: | |
130 | ! Clear local regs for scratch registers | |
131 | nop | |
132 | mov 0x0, %l0 | |
133 | mov 0x0, %l1 | |
134 | mov 0x0, %l2 | |
135 | mov 0x0, %l3 | |
136 | mov 0x0, %l4 | |
137 | mov 0x0, %l5 | |
138 | mov 0x0, %l6 | |
139 | mov 0x0, %i7 | |
140 | nop | |
141 | ||
142 | ! Verify interrupt_level_n (where n=1..15) one at a time | |
143 | ||
144 | ! Turn off interrupts by setting PIL=15 | |
145 | mov 0xf, %l3 | |
146 | wrpr %l3, %l7, %pil | |
147 | ||
148 | ! Set loop cnt = n = interrupt_level | |
149 | mov 0xf, %l1 | |
150 | ||
151 | intr_loop: | |
152 | ! Set %l6=0x0 | |
153 | mov 0x0, %l6 | |
154 | ! Write n to SOFTINT | |
155 | mov 0x1, %l2 | |
156 | sll %l2, %l1, %l4 | |
157 | wr %l4, %l7, %set_softint | |
158 | ! Write n-1 to PIL | |
159 | sub %l1, 0x1, %l5 | |
160 | wrpr %l5, %l7, %pil | |
161 | nop | |
162 | ||
163 | chk_trap: | |
164 | ! Turn off SOFTINT bit | |
165 | wr %l4, %l7, %clear_softint | |
166 | ! Verify that trap was taken, %l6=TT=0x40+n | |
167 | sub %l6, 0x40, %l2 | |
168 | cmp %l2, %l1 | |
169 | bne failed | |
170 | nop | |
171 | ||
172 | go_loop: | |
173 | !Decrement loop cnt, repeat 15 times | |
174 | dec %l1 | |
175 | cmp %l1, 0x0 | |
176 | bne intr_loop | |
177 | nop | |
178 | ||
179 | ! Verify we took 15 traps | |
180 | cmp %i7, 0xf | |
181 | bne failed | |
182 | nop | |
183 | ||
184 | misc: | |
185 | ! Set PIL=15 | |
186 | mov 0xf, %l3 | |
187 | wrpr %l3, %l7, %pil | |
188 | ||
189 | ! Rd/Wr SOFTINT Directly | |
190 | ! Set SOFTINT | |
191 | setx 0x1ffff, %l7, %l2 | |
192 | wr %l2, %l7, %softint | |
193 | clr %l3 | |
194 | rd %softint, %l3 | |
195 | cmp %l3, %l2 | |
196 | bne failed | |
197 | ||
198 | ! Clear SOFTINT | |
199 | clr %l2 | |
200 | wr %l2, %l7, %softint | |
201 | clr %l3 | |
202 | rd %softint, %l3 | |
203 | cmp %l3, %l2 | |
204 | bne failed | |
205 | nop | |
206 | ||
207 | passed: | |
208 | EXIT_GOOD /* test finish */ | |
209 | ||
210 | failed: | |
211 | EXIT_BAD | |
212 | ||
213 | ||
214 | /************************************************************************ | |
215 | Test case data start | |
216 | ************************************************************************/ | |
217 | .data | |
218 | user_data_start: | |
219 | .word 0xB52E8698 | |
220 | .end | |
221 |