xref: /openbmc/qemu/tests/tcg/xtensa/test_break.S (revision effd60c8)
1#include "macros.inc"
2
3test_suite break
4
5#if XCHAL_HAVE_DEBUG
6
7#define debug_level XCHAL_DEBUGLEVEL
8#define debug_vector glue(level, XCHAL_DEBUGLEVEL)
9#define EPC_DEBUG glue(epc, XCHAL_DEBUGLEVEL)
10
11test break
12    set_vector debug_vector, 0
13    rsil    a2, debug_level
14    _break  0, 0
15
16    set_vector debug_vector, 2f
17    rsil    a2, debug_level - 1
181:
19    _break  0, 0
20    test_fail
212:
22    rsr     a2, ps
23    movi    a3, 0x1f
24    and     a2, a2, a3
25    movi    a3, 0x10 | debug_level
26    assert  eq, a2, a3
27    rsr     a2, EPC_DEBUG
28    movi    a3, 1b
29    assert  eq, a2, a3
30    rsr     a2, debugcause
31    movi    a3, 0x8
32    assert  eq, a2, a3
33test_end
34
35test breakn
36    set_vector debug_vector, 0
37    rsil    a2, debug_level
38    _break.n  0
39
40    set_vector debug_vector, 2f
41    rsil    a2, debug_level - 1
421:
43    _break.n  0
44    test_fail
452:
46    rsr     a2, ps
47    movi    a3, 0x1f
48    and     a2, a2, a3
49    movi    a3, 0x10 | debug_level
50    assert  eq, a2, a3
51    rsr     a2, EPC_DEBUG
52    movi    a3, 1b
53    assert  eq, a2, a3
54    rsr     a2, debugcause
55    movi    a3, 0x10
56    assert  eq, a2, a3
57test_end
58
59#if XCHAL_NUM_IBREAK
60test ibreak
61    set_vector debug_vector, 0
62    rsil    a2, debug_level
63    movi    a2, 1f
64    wsr     a2, ibreaka0
65    movi    a2, 1
66    wsr     a2, ibreakenable
67    isync
681:
69    rsil    a2, debug_level - 1
70    movi    a2, 1f
71    wsr     a2, ibreaka0
72    movi    a2, 0
73    wsr     a2, ibreakenable
74    isync
751:
76    set_vector debug_vector, 2f
77    movi    a2, 1f
78    wsr     a2, ibreaka0
79    movi    a2, 1
80    wsr     a2, ibreakenable
81    isync
821:
83    test_fail
842:
85    rsr     a2, ps
86    movi    a3, 0x1f
87    and     a2, a2, a3
88    movi    a3, 0x10 | debug_level
89    assert  eq, a2, a3
90    rsr     a2, EPC_DEBUG
91    movi    a3, 1b
92    assert  eq, a2, a3
93    rsr     a2, debugcause
94    movi    a3, 0x2
95    assert  eq, a2, a3
96test_end
97
98test ibreak_remove
99    set_vector debug_vector, 3f
100    rsil    a2, debug_level - 1
101    movi    a2, 2f
102    wsr     a2, ibreaka0
103    movi    a3, 1
1041:
105    wsr     a3, ibreakenable
106    isync
1072:
108    beqz    a3, 4f
109    test_fail
1103:
111    assert  eqi, a3, 1
112    rsr     a2, ps
113    movi    a3, 0x1f
114    and     a2, a2, a3
115    movi    a3, 0x10 | debug_level
116    assert  eq, a2, a3
117    rsr     a2, EPC_DEBUG
118    movi    a3, 2b
119    assert  eq, a2, a3
120    rsr     a2, debugcause
121    movi    a3, 0x2
122    assert  eq, a2, a3
123
124    movi    a2, 0x40000
125    wsr     a2, ps
126    isync
127    movi    a3, 0
128    j       1b
1294:
130test_end
131
132test ibreak_break_priority
133    set_vector debug_vector, 2f
134    rsil    a2, debug_level - 1
135    movi    a2, 1f
136    wsr     a2, ibreaka0
137    movi    a2, 1
138    wsr     a2, ibreakenable
139    isync
1401:
141    break   0, 0
142    test_fail
1432:
144    rsr     a2, debugcause
145    movi    a3, 0x2
146    assert  eq, a2, a3
147test_end
148
149test ibreak_icount_priority
150    set_vector debug_vector, 2f
151    rsil    a2, debug_level - 1
152    movi    a2, 1f
153    wsr     a2, ibreaka0
154    movi    a2, 1
155    wsr     a2, ibreakenable
156    movi    a2, -2
157    wsr     a2, icount
158    movi    a2, 1
159    wsr     a2, icountlevel
160    isync
161    rsil    a2, 0
162    nop
1631:
164    break   0, 0
165    test_fail
1662:
167    rsr     a2, debugcause
168    movi    a3, 0x1
169    assert  eq, a2, a3
170test_end
171#endif
172
173test icount
174    set_vector debug_vector, 2f
175    rsil    a2, debug_level - 1
176    movi    a2, -2
177    wsr     a2, icount
178    movi    a2, 1
179    wsr     a2, icountlevel
180    isync
181    rsil    a2, 0
182    nop
1831:
184    break   0, 0
185    test_fail
1862:
187    movi    a2, 0
188    wsr     a2, icountlevel
189    rsr     a2, EPC_DEBUG
190    movi    a3, 1b
191    assert  eq, a2, a3
192    rsr     a2, debugcause
193    movi    a3, 0x1
194    assert  eq, a2, a3
195test_end
196
197.macro check_dbreak dr
198    rsr     a2, EPC_DEBUG
199    movi    a3, 1b
200    assert  eq, a2, a3
201    rsr     a2, debugcause
202    movi    a3, 0x4 | (\dr << 8)
203    assert  eq, a2, a3
204    movi    a2, 0
205    wsr     a2, dbreakc\dr
206.endm
207
208.macro dbreak_test dr, ctl, break, access, op
209    set_vector debug_vector, 2f
210    rsil    a2, debug_level - 1
211    movi    a2, \ctl
212    wsr     a2, dbreakc\dr
213    movi    a2, \break
214    wsr     a2, dbreaka\dr
215    movi    a2, \access
216    isync
2171:
218    \op     a3, a2, 0
219    test_fail
2202:
221    check_dbreak \dr
222    reset_ps
223.endm
224
225#if XCHAL_NUM_DBREAK
226#define DB0 0
227#if XCHAL_NUM_DBREAK > 1
228#define DB1 1
229#else
230#define DB1 0
231#endif
232test dbreak_exact
233    dbreak_test DB0, 0x4000003f, 0xd000007f, 0xd000007f, l8ui
234    dbreak_test DB1, 0x4000003e, 0xd000007e, 0xd000007e, l16ui
235    dbreak_test DB0, 0x4000003c, 0xd000007c, 0xd000007c, l32i
236
237    dbreak_test DB1, 0x8000003f, 0xd000007f, 0xd000007f, s8i
238    dbreak_test DB0, 0x8000003e, 0xd000007e, 0xd000007e, s16i
239    dbreak_test DB1, 0x8000003c, 0xd000007c, 0xd000007c, s32i
240test_end
241
242test DBdbreak_overlap
243    dbreak_test DB0, 0x4000003f, 0xd000007d, 0xd000007c, l16ui
244    dbreak_test DB1, 0x4000003f, 0xd000007d, 0xd000007c, l32i
245
246    dbreak_test DB0, 0x4000003e, 0xd000007e, 0xd000007f, l8ui
247    dbreak_test DB1, 0x4000003e, 0xd000007e, 0xd000007c, l32i
248
249    dbreak_test DB0, 0x4000003c, 0xd000007c, 0xd000007d, l8ui
250    dbreak_test DB1, 0x4000003c, 0xd000007c, 0xd000007c, l16ui
251
252    dbreak_test DB0, 0x40000038, 0xd0000078, 0xd000007b, l8ui
253    dbreak_test DB1, 0x40000038, 0xd0000078, 0xd000007a, l16ui
254    dbreak_test DB0, 0x40000038, 0xd0000078, 0xd000007c, l32i
255
256    dbreak_test DB1, 0x40000030, 0xd0000070, 0xd0000075, l8ui
257    dbreak_test DB0, 0x40000030, 0xd0000070, 0xd0000076, l16ui
258    dbreak_test DB1, 0x40000030, 0xd0000070, 0xd0000078, l32i
259
260    dbreak_test DB0, 0x40000020, 0xd0000060, 0xd000006f, l8ui
261    dbreak_test DB1, 0x40000020, 0xd0000060, 0xd0000070, l16ui
262    dbreak_test DB0, 0x40000020, 0xd0000060, 0xd0000074, l32i
263
264
265    dbreak_test DB0, 0x8000003f, 0xd000007d, 0xd000007c, s16i
266    dbreak_test DB1, 0x8000003f, 0xd000007d, 0xd000007c, s32i
267
268    dbreak_test DB0, 0x8000003e, 0xd000007e, 0xd000007f, s8i
269    dbreak_test DB1, 0x8000003e, 0xd000007e, 0xd000007c, s32i
270
271    dbreak_test DB0, 0x8000003c, 0xd000007c, 0xd000007d, s8i
272    dbreak_test DB1, 0x8000003c, 0xd000007c, 0xd000007c, s16i
273
274    dbreak_test DB0, 0x80000038, 0xd0000078, 0xd000007b, s8i
275    dbreak_test DB1, 0x80000038, 0xd0000078, 0xd000007a, s16i
276    dbreak_test DB0, 0x80000038, 0xd0000078, 0xd000007c, s32i
277
278    dbreak_test DB1, 0x80000030, 0xd0000070, 0xd0000075, s8i
279    dbreak_test DB0, 0x80000030, 0xd0000070, 0xd0000076, s16i
280    dbreak_test DB1, 0x80000030, 0xd0000070, 0xd0000078, s32i
281
282    dbreak_test DB0, 0x80000020, 0xd0000060, 0xd000006f, s8i
283    dbreak_test DB1, 0x80000020, 0xd0000060, 0xd0000070, s16i
284    dbreak_test DB0, 0x80000020, 0xd0000060, 0xd0000074, s32i
285test_end
286
287test DBdbreak_invalid
288    dbreak_test DB0, 0x40000030, 0xd0000071, 0xd0000070, l16ui
289    dbreak_test DB1, 0x40000035, 0xd0000072, 0xd0000070, l32i
290test_end
291#endif
292
293#endif
294
295test_suite_end
296