OVMS3-idf/components/freertos/test/test_thread_local.c

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/*
Test for thread local storage support.
*/
#include <string.h>
#include <esp_types.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "unity.h"
#include "test_utils.h"
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#include "sdkconfig.h"
static __thread int tl_test_var1;
static __thread uint8_t tl_test_var2 = 55;
static __thread uint16_t tl_test_var3 = 44;
static __thread uint8_t tl_test_arr_var[10];
static __thread struct test_tls_var {
int f32;
uint8_t f8;
uint16_t f16;
uint8_t farr[10];
} tl_test_struct_var;
static void task_test_tls(void *arg)
{
bool *running = (bool *)arg;
uint32_t tp = (uint32_t)-1;
int test_var1_old = 0;
uint8_t test_var2_old = 0;
uint16_t test_var3_old = 0;
int f32_old = 0;
uint8_t f8_old = 0;
uint16_t f16_old = 0;
asm volatile ("rur.threadptr %0":"=r"(tp));
for (int i = 0; i < 5; i++) {
printf("Task[%x]: var = 0x%x 0x%x\n", tp, tl_test_var1, tl_test_var2);
if (i == 0) {
TEST_ASSERT_EQUAL(0, tl_test_var1);
TEST_ASSERT_EQUAL(55, tl_test_var2);
TEST_ASSERT_EQUAL(44, tl_test_var3);
for (int k = 0; k < sizeof(tl_test_arr_var); k++) {
TEST_ASSERT_EQUAL(0, tl_test_arr_var[k]);
}
TEST_ASSERT_EQUAL(0, tl_test_struct_var.f32);
TEST_ASSERT_EQUAL(0, tl_test_struct_var.f8);
TEST_ASSERT_EQUAL(0, tl_test_struct_var.f16);
for (int k = 0; k < sizeof(tl_test_struct_var.farr); k++) {
TEST_ASSERT_EQUAL(0, tl_test_struct_var.farr[k]);
}
} else {
TEST_ASSERT_EQUAL(test_var1_old+1, tl_test_var1);
TEST_ASSERT_EQUAL(test_var2_old+1, tl_test_var2);
TEST_ASSERT_EQUAL(test_var3_old+1, tl_test_var3);
for (int k = 0; k < sizeof(tl_test_arr_var); k++) {
TEST_ASSERT_EQUAL(i-1, tl_test_arr_var[k]);
}
TEST_ASSERT_EQUAL(f32_old+1, tl_test_struct_var.f32);
TEST_ASSERT_EQUAL(f8_old+1, tl_test_struct_var.f8);
TEST_ASSERT_EQUAL(f16_old+1, tl_test_struct_var.f16);
for (int k = 0; k < sizeof(tl_test_struct_var.farr); k++) {
TEST_ASSERT_EQUAL(i-1, tl_test_struct_var.farr[k]);
}
}
test_var1_old = tl_test_var1;
test_var2_old = tl_test_var2;
test_var3_old = tl_test_var3;
f32_old = tl_test_struct_var.f32;
f8_old = tl_test_struct_var.f8;
f16_old = tl_test_struct_var.f16;
tl_test_var1++;
tl_test_var2++;
tl_test_var3++;
memset(tl_test_arr_var, i, sizeof(tl_test_arr_var));
tl_test_struct_var.f32++;
tl_test_struct_var.f8++;
tl_test_struct_var.f16++;
memset(tl_test_struct_var.farr, i, sizeof(tl_test_struct_var.farr));
vTaskDelay(10);
}
if (running) {
*running = false;
vTaskDelete(NULL);
}
}
TEST_CASE("TLS test", "[freertos]")
{
const size_t stack_size = 3072;
StackType_t s_stack[stack_size]; /* with 8KB test task stack (default) this test still has ~3KB headroom */
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StaticTask_t s_task;
bool running[2] = {true, true};
#if CONFIG_FREERTOS_UNICORE == 0
int other_core = 1;
#else
int other_core = 0;
#endif
xTaskCreatePinnedToCore((TaskFunction_t)&task_test_tls, "task_test_tls", stack_size, &running[0],
UNITY_FREERTOS_PRIORITY, NULL, 0);
xTaskCreateStaticPinnedToCore((TaskFunction_t)&task_test_tls, "task_test_tls", stack_size, &running[1],
UNITY_FREERTOS_PRIORITY, s_stack, &s_task, other_core);
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while (running[0] || running[1]) {
vTaskDelay(10);
}
vTaskDelay(10); /* Make sure idle task can clean up s_task, before it goes out of scope */
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}