/* 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>