1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
#include "macros.inc"
#define LSBIT(v) ((v) & -(v))
#define LEVEL_MASK(x) glue3(XCHAL_INTLEVEL, x, _MASK)
#define LEVEL_SOFT_MASK(x) (LEVEL_MASK(x) & XCHAL_INTTYPE_MASK_SOFTWARE)
#define L1_SOFT_MASK LEVEL_SOFT_MASK(1)
#define L1_SOFT LSBIT(L1_SOFT_MASK)
#if LEVEL_SOFT_MASK(2)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(2)
#elif LEVEL_SOFT_MASK(3)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(3)
#elif LEVEL_SOFT_MASK(4)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(4)
#elif LEVEL_SOFT_MASK(5)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(5)
#elif LEVEL_SOFT_MASK(6)
#define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(6)
#else
#define HIGH_LEVEL_SOFT_MASK 0
#endif
#define HIGH_LEVEL_SOFT LSBIT(HIGH_LEVEL_SOFT_MASK)
#if LEVEL_SOFT_MASK(2)
#define HIGH_LEVEL_SOFT_LEVEL 2
#elif LEVEL_SOFT_MASK(3)
#define HIGH_LEVEL_SOFT_LEVEL 3
#elif LEVEL_SOFT_MASK(4)
#define HIGH_LEVEL_SOFT_LEVEL 4
#elif LEVEL_SOFT_MASK(5)
#define HIGH_LEVEL_SOFT_LEVEL 5
#elif LEVEL_SOFT_MASK(6)
#define HIGH_LEVEL_SOFT_LEVEL 6
#else
#define HIGH_LEVEL_SOFT_LEVEL 0
#endif
test_suite interrupt
#if XCHAL_HAVE_INTERRUPTS
.macro clear_interrupts
movi a2, 0
wsr a2, intenable
#if XCHAL_NUM_TIMERS
wsr a2, ccompare0
#endif
#if XCHAL_NUM_TIMERS > 1
wsr a2, ccompare1
#endif
#if XCHAL_NUM_TIMERS > 2
wsr a2, ccompare2
#endif
esync
rsr a2, interrupt
wsr a2, intclear
esync
rsr a2, interrupt
assert eqi, a2, 0
.endm
.macro check_l1
rsr a2, ps
movi a3, 0x1f /* EXCM | INTMASK */
and a2, a2, a3
assert eqi, a2, 0x10 /* only EXCM is set for level-1 interrupt */
rsr a2, exccause
assert eqi, a2, 4
.endm
test rsil
clear_interrupts
rsr a2, ps
rsil a3, 7
rsr a4, ps
assert eq, a2, a3
movi a2, 0xf
and a2, a4, a2
assert eqi, a2, 7
xor a3, a3, a4
movi a2, 0xfffffff0
and a2, a3, a2
assert eqi, a2, 0
test_end
#if L1_SOFT
test soft_disabled
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
wsr a2, intclear
esync
rsr a3, interrupt
and a3, a3, a4
assert eqi, a3, 0
j 2f
1:
test_fail
2:
test_end
test soft_intenable
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
rsil a3, 0
wsr a2, intenable
esync
test_fail
1:
check_l1
test_end
test soft_rsil
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
wsr a2, intenable
rsil a3, 0
esync
test_fail
1:
check_l1
test_end
test soft_waiti
set_vector kernel, 1f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
wsr a2, intenable
waiti 0
test_fail
1:
check_l1
test_end
test soft_user
set_vector kernel, 1f
set_vector user, 2f
clear_interrupts
movi a2, L1_SOFT
wsr a2, intset
esync
rsr a3, interrupt
movi a4, ~XCHAL_INTTYPE_MASK_TIMER
and a3, a3, a4
assert eq, a2, a3
wsr a2, intenable
rsr a2, ps
movi a3, 0x20
or a2, a2, a3
wsr a2, ps
waiti 0
1:
test_fail
2:
check_l1
test_end
#if HIGH_LEVEL_SOFT
test soft_priority
set_vector kernel, 1f
set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 2f
clear_interrupts
movi a2, L1_SOFT | HIGH_LEVEL_SOFT
wsr a2, intenable
rsil a3, 0
esync
wsr a2, intset
esync
1:
test_fail
2:
rsr a2, ps
movi a3, 0x1f /* EXCM | INTMASK */
and a2, a2, a3
movi a3, 0x10 | HIGH_LEVEL_SOFT_LEVEL
assert eq, a2, a3 /* EXCM and INTMASK are set
for high-priority interrupt */
test_end
#endif
#endif
#if HIGH_LEVEL_SOFT
test eps_epc_rfi
set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 3f
clear_interrupts
reset_ps
movi a2, L1_SOFT_MASK | HIGH_LEVEL_SOFT_MASK
wsr a2, intenable
rsil a3, 0
rsr a3, ps
esync
wsr a2, intset
1:
esync
2:
test_fail
3:
rsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL)
assert eq, a2, a3
rsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL)
movi a3, 1b
assert ge, a2, a3
movi a3, 2b
assert ge, a3, a2
movi a2, 4f
wsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL)
movi a2, 0x40000 | HIGH_LEVEL_SOFT_LEVEL
wsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL)
rfi HIGH_LEVEL_SOFT_LEVEL
test_fail
4:
rsr a2, ps
movi a3, 0x40000 | HIGH_LEVEL_SOFT_LEVEL
assert eq, a2, a3
test_end
#endif
#endif
test_suite_end
|