esp-idf/components/esp_hw_support/test/test_himem.c

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3.2 KiB
C
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2021-06-03 11:40:09 +00:00
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "unity.h"
#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp32/rom/cache.h"
#include "sdkconfig.h"
#include "esp32/himem.h"
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#if CONFIG_IDF_TARGET_ESP32
#if CONFIG_SPIRAM_BANKSWITCH_ENABLE
//Fill memory with pseudo-random data generated from the given seed.
static void fill_mem_seed(int seed, void *mem, int len)
{
uint32_t *p = (uint32_t *)mem;
unsigned int rseed = seed ^ 0xa5a5a5a5;
for (int i = 0; i < len / 4; i++) {
*p++ = rand_r(&rseed);
}
}
//Check the memory filled by fill_mem_seed. Returns true if the data is still intact.
static bool check_mem_seed(int seed, void *mem, int len)
{
uint32_t *p = (uint32_t *)mem;
unsigned int rseed = seed ^ 0xa5a5a5a5;
for (int i = 0; i < len / 4; i++) {
uint32_t ex = rand_r(&rseed);
if (ex != *p) {
printf("check_mem_seed: %p @ %p has 0x%08x expected 0x%08x\n", mem, p, *p, ex);
return false;
}
p++;
}
return true;
}
//Allocate a himem region, fill it with data, check it and release it.
static bool test_region(int check_size, int seed)
{
esp_himem_handle_t mh;
esp_himem_rangehandle_t rh;
bool ret = true;
ESP_ERROR_CHECK(esp_himem_alloc(check_size, &mh));
ESP_ERROR_CHECK(esp_himem_alloc_map_range(ESP_HIMEM_BLKSZ * 2, &rh));
for (int i = 0; i < check_size; i += ESP_HIMEM_BLKSZ) {
uint32_t *ptr = NULL;
ESP_ERROR_CHECK(esp_himem_map(mh, rh, i, 0, ESP_HIMEM_BLKSZ, 0, (void**)&ptr));
fill_mem_seed(i ^ seed, ptr, ESP_HIMEM_BLKSZ);
ESP_ERROR_CHECK(esp_himem_unmap(rh, ptr, ESP_HIMEM_BLKSZ));
}
for (int i = 0; i < check_size; i += ESP_HIMEM_BLKSZ) {
uint32_t *ptr;
ESP_ERROR_CHECK(esp_himem_map(mh, rh, i, 0, ESP_HIMEM_BLKSZ, 0, (void**)&ptr));
if (!check_mem_seed(i ^ seed, ptr, ESP_HIMEM_BLKSZ)) {
printf("Error in block %d\n", i / ESP_HIMEM_BLKSZ);
ret = false;
break;
}
ESP_ERROR_CHECK(esp_himem_unmap(rh, ptr, ESP_HIMEM_BLKSZ));
}
ESP_ERROR_CHECK(esp_himem_free(mh));
ESP_ERROR_CHECK(esp_himem_free_map_range(rh));
return ret;
}
static volatile int testsDone;
static void memtest_thread(void *arg)
{
int d = (int)arg;
for (int i = 0; i < 4; i++) {
printf("d=%d check=%d\n", d, i);
test_region(2 * 1024 * 1024, d + (i << 16));
vTaskDelay(d);
}
testsDone++; //note possible race here... not really an issue if the two tasks have different vTaskDelay args
vTaskDelete(NULL);
}
TEST_CASE("high psram memory test", "[himem]")
{
printf("Doing single-core test\n");
assert(test_region(4 * 1024 * 1024, 0xaaaa));
testsDone = 0;
printf("Doing dual-core test...\n");
xTaskCreatePinnedToCore(&memtest_thread, "th2", 1024 * 2, (void *)2, 5, NULL, 1);
xTaskCreatePinnedToCore(&memtest_thread, "th1", 1024 * 2, (void *)5, 5, NULL, 0);
while (testsDone != 2) {
vTaskDelay(10);
}
printf("Done!\n");
vTaskDelay(100);
}
#endif
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#endif // CONFIG_IDF_TARGET_ESP32