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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2014, 2022 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/bspIo.h>
#include <rtems/stackchk.h>
#include <rtems/sysinit.h>
#include <rtems/score/cpuimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/tls.h>
#include "tmacros.h"
const char rtems_test_name[] = "SPTLS 1";
static rtems_id master_task;
static __thread volatile char tls_item = 123;
static volatile uint32_t read_write_small = 0xdeadbeefUL;
static const volatile uint32_t read_only_small = 0x601dc0feUL;
static void check_tls_item(uint32_t expected)
{
printk("TLS item = %i\n", tls_item);
rtems_test_assert(tls_item == expected);
}
static void task(rtems_task_argument arg)
{
rtems_status_code sc;
check_tls_item(123);
tls_item = 42;
sc = rtems_event_transient_send(master_task);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_suspend(RTEMS_SELF);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
static void check_tls_size(void)
{
const volatile TLS_Configuration *config;
uintptr_t tls_size;
config = &_TLS_Configuration;
tls_size = (uintptr_t) config->size;
if (tls_size != 1) {
printk(
"WARNING: The thread-local storage size is %" PRIuPTR ". It should be\n"
"exactly one for this test. Check the BSP implementation. The BSP\n"
"should not pull in thread-local storage objects such as errno for\n"
"this test.\n",
tls_size
);
rtems_test_assert(tls_size == 1);
}
}
static Thread_Control *get_thread(rtems_id id)
{
Thread_Control *the_thread;
ISR_lock_Context lock_context;
the_thread = _Thread_Get(id, &lock_context);
_ISR_lock_ISR_enable(&lock_context);
return the_thread;
}
static void test(void)
{
rtems_id id;
rtems_status_code sc;
Thread_Control *self;
Thread_Control *other;
char *self_tp;
char *other_tp;
uintptr_t tls_item_offset;
char *self_tls_item;
char *other_tls_item;
master_task = rtems_task_self();
rtems_test_assert(read_write_small == 0xdeadbeefUL);
rtems_test_assert(read_only_small == 0x601dc0feUL);
check_tls_item(123);
tls_item = 5;
sc = rtems_task_create(
rtems_build_name('T', 'A', 'S', 'K'),
RTEMS_MINIMUM_PRIORITY,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(id, task, 0);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
self = get_thread(master_task);
other = get_thread(id);
self_tp = _CPU_Get_TLS_thread_pointer(&self->Registers);
other_tp = _CPU_Get_TLS_thread_pointer(&other->Registers);
tls_item_offset = (uintptr_t) (&tls_item - self_tp);
self_tls_item = self_tp + tls_item_offset;
other_tls_item = other_tp + tls_item_offset;
rtems_test_assert(*self_tls_item == 5);
rtems_test_assert(*other_tls_item == 123);
sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
rtems_test_assert(*self_tls_item == 5);
rtems_test_assert(*other_tls_item == 42);
sc = rtems_task_delete(id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
check_tls_item(5);
}
static void test_idle_during_system_init(void)
{
rtems_print_printer_printk(&rtems_test_printer);
TEST_BEGIN();
check_tls_item(123);
}
static void Init(rtems_task_argument arg)
{
test();
rtems_test_assert(!rtems_stack_checker_is_blown());
check_tls_size();
TEST_END();
rtems_test_exit(0);
}
RTEMS_SYSINIT_ITEM(
test_idle_during_system_init,
RTEMS_SYSINIT_IDLE_THREADS,
RTEMS_SYSINIT_ORDER_LAST
);
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
/*
* Avoid a dependency on errno which might be a thread-local object. This test
* assumes that no thread-local storage object other than tls_item is present.
*/
#define CONFIGURE_APPLICATION_DISABLE_FILESYSTEM
/*
* This test requires full control over the present thread-local objects. In
* certain Newlib configurations, the Newlib reentrancy support may add
* thread-local objects.
*/
#define CONFIGURE_DISABLE_NEWLIB_REENTRANCY
#define CONFIGURE_STACK_CHECKER_ENABLED
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
|
