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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
|
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
functional-type: action
links:
- role: interface-function
uid: ../if/is-pending
post-conditions:
- name: Status
states:
- name: Ok
test-code: |
T_rsc_success( ctx->status );
text: |
The return status of ${../if/is-pending:/name} shall be
${../../status/if/successful:/name}.
- name: InvAddr
test-code: |
T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
text: |
The return status of ${../if/is-pending:/name} shall be
${../../status/if/invalid-address:/name}.
- name: InvId
test-code: |
T_rsc( ctx->status, RTEMS_INVALID_ID );
text: |
The return status of ${../if/is-pending:/name} shall be
${../../status/if/invalid-id:/name}.
test-epilogue: null
test-prologue: null
- name: IsPending
states:
- name: Nop
test-code: |
memset( &pending, 0xa5, sizeof( pending ) );
T_eq_mem( &ctx->pending_obj, &pending, sizeof( pending ) );
text: |
Objects referenced by the ${../if/is-pending:/params[1]/name}
parameter in past calls to ${../if/is-pending:/name} shall not be
accessed by the ${../if/is-pending:/name} call.
- name: 'Yes'
test-code: |
/* Validation is done by CheckIsPending() for each interrupt vector */
text: |
The value of the object referenced by the
${../if/is-pending:/params[1]/name} parameter shall be set to
${/c/if/true:/name}.
- name: 'No'
test-code: |
/* Validation is done by CheckIsPending() for each interrupt vector */
text: |
The value of the object referenced by the
${../if/is-pending:/params[1]/name} parameter shall be set to
${/c/if/false:/name}.
test-epilogue: null
test-prologue: |
bool pending;
pre-conditions:
- name: Vector
states:
- name: Valid
test-code: |
ctx->valid_vector = true;
text: |
While the ${../if/is-pending:/params[0]/name} parameter is
associated with an interrupt vector.
- name: Invalid
test-code: |
ctx->valid_vector = false;
text: |
While the ${../if/is-pending:/params[0]/name} parameter is
not associated with an interrupt vector.
test-epilogue: null
test-prologue: null
- name: Pending
states:
- name: Obj
test-code: |
ctx->pending = &ctx->pending_obj;
text: |
While the ${../if/is-pending:/params[1]/name} parameter references an
object of type ``bool``.
- name: 'Null'
test-code: |
ctx->pending = NULL;
text: |
While the ${../if/is-pending:/params[1]/name} parameter is equal
to ${/c/if/null:/name}.
test-epilogue: null
test-prologue: null
- name: IsPending
states:
- name: 'Yes'
test-code: |
/* Validation is done by CheckIsPending() for each interrupt vector */
text: |
While the interrupt associated with the interrupt vector specified by
${../if/is-pending:/params[0]/name} was pending for the processor
executing the ${../if/is-pending:/name} call at some time point during
the call.
- name: 'No'
test-code: |
/* Validation is done by CheckIsPending() for each interrupt vector */
text: |
While the interrupt associated with the interrupt vector specified by
${../if/is-pending:/params[0]/name} was not pending for the processor
executing the ${../if/is-pending:/name} call at some time point during
the call.
test-epilogue: null
test-prologue: null
rationale: null
references: []
requirement-type: functional
skip-reasons: {}
test-action: |
if ( ctx->valid_vector && ctx->pending != NULL ) {
for (
ctx->vector = 0;
ctx->vector < BSP_INTERRUPT_VECTOR_COUNT;
++ctx->vector
) {
rtems_status_code sc;
rtems_interrupt_attributes attr;
bool has_installed_entries;
memset( &attr, 0, sizeof( attr ) );
sc = rtems_interrupt_get_attributes( ctx->vector, &attr );
if ( sc == RTEMS_INVALID_ID ) {
continue;
}
T_rsc_success( sc );
has_installed_entries = HasInterruptVectorEntriesInstalled( ctx->vector );
CheckIsPending( ctx, &attr, has_installed_entries );
}
} else {
if ( ctx->valid_vector ) {
ctx->vector = 0;
} else {
ctx->vector = BSP_INTERRUPT_VECTOR_COUNT;
}
memset( &ctx->pending_obj, 0xa5, sizeof( ctx->pending_obj ) );
ctx->status = rtems_interrupt_is_pending( ctx->vector, ctx->pending );
}
test-brief: null
test-cleanup: null
test-context:
- brief: |
This member contains the count of serviced interrupts.
description: null
member: |
volatile uint32_t interrupt_count
- brief: |
If this member is true, then the interrupt shall be cleared.
description: null
member: |
bool do_clear
- brief: |
This member contains the current vector number.
description: null
member: |
rtems_vector_number vector
- brief: |
This member provides the ``bool`` object.
description: null
member: |
bool pending_obj
- brief: |
If this member is true, then the ${../if/is-pending:/params[0]/name}
parameter shall be valid.
description: null
member: |
bool valid_vector
- brief: |
This member specifies if the ${../if/is-pending:/params[1]/name}
parameter value.
description: null
member: |
bool *pending;
- brief: |
This member contains the return value of the ${../if/is-pending:/name}
call.
description: null
member: |
rtems_status_code status
test-context-support: null
test-description: null
test-header: null
test-includes:
- rtems/irq-extension.h
- bsp/irq-generic.h
- string.h
test-local-includes:
- tx-support.h
test-prepare: null
test-setup: null
test-stop: null
test-support: |
typedef ${.:/test-context-type} Context;
static bool IsEnabled( const Context *ctx )
{
rtems_status_code sc;
bool enabled;
enabled = false;
sc = rtems_interrupt_vector_is_enabled( ctx->vector, &enabled );
T_rsc_success( sc );
return enabled;
}
static bool IsPending( const Context *ctx )
{
rtems_status_code sc;
bool pending;
pending = false;
sc = rtems_interrupt_is_pending( ctx->vector, &pending );
T_rsc_success( sc );
return pending;
}
static void Disable( const Context *ctx )
{
rtems_status_code sc;
sc = rtems_interrupt_vector_disable( ctx->vector );
T_rsc_success( sc );
}
static void Raise( const Context *ctx )
{
rtems_status_code sc;
sc = rtems_interrupt_raise( ctx->vector );
T_rsc_success( sc );
}
static void EntryRoutine( void *arg )
{
Context *ctx;
uint32_t count;
(void) arg;
ctx = T_fixture_context();
count = ctx->interrupt_count;
ctx->interrupt_count = count + 1;
if ( ctx->do_clear ) {
rtems_status_code sc;
sc = rtems_interrupt_clear( ctx->vector );
T_rsc_success( sc );
}
if ( count > 2 ) {
/* Some interrupts are probably cased by a peripheral */
Disable( ctx );
}
}
static void CheckIsPending(
Context *ctx,
const rtems_interrupt_attributes *attr,
bool has_installed_entries
)
{
rtems_status_code sc;
if ( has_installed_entries ) {
/*
* We cannot test this vector thoroughly, since it is used by a device
* driver. It may be pending or not. For example in SMP configurations,
* it may be pending while being serviced right now on another processor.
*/
(void) IsPending( ctx );
} else if ( !attr->is_maskable ) {
/* We can only safely test maskable interrupts */
T_false( IsPending( ctx ) );
} else if ( IsPending( ctx ) ) {
/*
* If there is already an interrupt pending, then it is probably raised
* by a peripheral which we cannot control.
*/
} else if (
attr->can_raise && attr->can_disable &&
( attr->can_clear || attr->cleared_by_acknowledge )
) {
rtems_interrupt_entry entry;
rtems_interrupt_level level;
ctx->interrupt_count = 0;
ctx->do_clear = attr->can_clear && !attr->cleared_by_acknowledge;
rtems_interrupt_entry_initialize( &entry, EntryRoutine, ctx, "Info" );
sc = rtems_interrupt_entry_install(
ctx->vector,
RTEMS_INTERRUPT_UNIQUE,
&entry
);
T_rsc_success( sc );
if ( !IsPending( ctx) && ( attr->can_enable || IsEnabled( ctx ) ) ) {
Disable( ctx );
Raise( ctx );
/*
* Some interrupt controllers will signal a pending interrupt if it is
* disabled (for example ARM GIC), others will not signal a pending
* interrupt if it is disabled (for example Freescale/NXP MPIC).
*/
(void) IsPending( ctx );
sc = rtems_interrupt_vector_enable( ctx->vector );
T_rsc_success( sc );
while ( ctx->interrupt_count < 1 ) {
/* Wait */
}
rtems_interrupt_local_disable( level );
Raise( ctx );
T_true( IsPending( ctx ) );
rtems_interrupt_local_enable( level );
while ( ctx->interrupt_count < 2 ) {
/* Wait */
}
}
sc = rtems_interrupt_entry_remove( ctx->vector, &entry );
T_rsc_success( sc );
}
}
test-target: testsuites/validation/tc-intr-is-pending.c
test-teardown: null
text: ${.:text-template}
transition-map:
- enabled-by: true
post-conditions:
Status: Ok
IsPending:
- specified-by: IsPending
pre-conditions:
Vector:
- Valid
Pending:
- Obj
IsPending: all
- enabled-by: true
post-conditions:
Status: InvAddr
IsPending: Nop
pre-conditions:
Vector:
- Valid
Pending:
- 'Null'
IsPending: all
- enabled-by: true
post-conditions:
Status: InvAddr
IsPending: Nop
pre-conditions:
Vector:
- Invalid
Pending:
- 'Null'
IsPending: N/A
- enabled-by: true
post-conditions:
Status: InvId
IsPending: Nop
pre-conditions:
Vector:
- Invalid
Pending:
- Obj
IsPending: N/A
type: requirement
|