summaryrefslogtreecommitdiff
path: root/tests/tcg/xtensa/test_timer.S
blob: f8c6f7423a965b843f1803fd04e0ed7865fe1d1d (plain)
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
#include "macros.inc"

test_suite timer

test ccount
    rsr     a3, ccount
    rsr     a4, ccount
    sub     a3, a4, a3
    assert  eqi, a3, 1
test_end

test ccompare
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare1
    wsr     a2, ccompare2

    movi    a3, 20
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare0
    rsr     a2, interrupt
    assert  eqi, a2, 0
    loop    a3, 1f
    rsr     a3, interrupt
    bnez    a3, 2f
1:
    test_fail
2:
test_end

test ccompare0_interrupt
    set_vector kernel, 2f
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare1
    wsr     a2, ccompare2

    movi    a3, 20
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare0
    rsync
    rsr     a2, interrupt
    assert  eqi, a2, 0

    movi    a2, 0x40
    wsr     a2, intenable
    rsil    a2, 0
    loop    a3, 1f
    nop
1:
    test_fail
2:
    rsr     a2, exccause
    assert  eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
test_end

test ccompare1_interrupt
    set_vector level3, 2f
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare0
    wsr     a2, ccompare2

    movi    a3, 20
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare1
    rsync
    rsr     a2, interrupt
    assert  eqi, a2, 0
    movi    a2, 0x400
    wsr     a2, intenable
    rsil    a2, 2
    loop    a3, 1f
    nop
1:
    test_fail
2:
test_end

test ccompare2_interrupt
    set_vector level5, 2f
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare0
    wsr     a2, ccompare1

    movi    a3, 20
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare2
    rsync
    rsr     a2, interrupt
    assert  eqi, a2, 0
    movi    a2, 0x2000
    wsr     a2, intenable
    rsil    a2, 4
    loop    a3, 1f
    nop
1:
    test_fail
2:
test_end

test ccompare_interrupt_masked
    set_vector kernel, 2f
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare2

    movi    a3, 40
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare1
    addi    a2, a2, 20
    wsr     a2, ccompare0
    rsync
    rsr     a2, interrupt
    assert  eqi, a2, 0

    movi    a2, 0x40
    wsr     a2, intenable
    rsil    a2, 0
    loop    a3, 1f
    nop
1:
    test_fail
2:
    rsr     a2, exccause
    assert  eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
test_end

test ccompare_interrupt_masked_waiti
    set_vector kernel, 2f
    movi    a2, 0
    wsr     a2, intenable
    rsr     a2, interrupt
    wsr     a2, intclear
    movi    a2, 0
    wsr     a2, ccompare2

    movi    a3, 40
    rsr     a2, ccount
    addi    a2, a2, 20
    wsr     a2, ccompare1
    addi    a2, a2, 20
    wsr     a2, ccompare0
    rsync
    rsr     a2, interrupt
    assert  eqi, a2, 0

    movi    a2, 0x40
    wsr     a2, intenable
    waiti   0
    test_fail
2:
    rsr     a2, exccause
    assert  eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */
test_end

test_suite_end