Files
esp-idf/components/esp_mm/test_apps/mm/main/test_mmap.c
2025-04-15 14:25:42 +08:00

129 lines
3.9 KiB
C

/*
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "sdkconfig.h"
#include <sys/param.h>
#include <string.h>
#include "inttypes.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "esp_log.h"
#include "esp_attr.h"
#include "unity.h"
#include "esp_heap_caps.h"
#include "esp_partition.h"
#include "esp_mmu_map.h"
#include "esp_rom_sys.h"
#define TEST_BLOCK_SIZE CONFIG_MMU_PAGE_SIZE
const static char *TAG = "MMU_TEST";
static const esp_partition_t *s_get_partition(void)
{
//Find the "storage1" partition defined in `partitions.csv`
const esp_partition_t *result = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_ANY, "storage1");
if (!result) {
ESP_LOGE(TAG, "Can't find the partition, please define it correctly in `partitions.csv`");
abort();
}
return result;
}
TEST_CASE("Can dump mapped block stats", "[mmu]")
{
const esp_partition_t *part = s_get_partition();
ESP_LOGI(TAG, "found partition '%s' at offset 0x%"PRIx32" with size 0x%"PRIx32, part->label, part->address, part->size);
void *ptr0 = NULL;
TEST_ESP_OK(esp_mmu_map(part->address, TEST_BLOCK_SIZE, MMU_TARGET_FLASH0, MMU_MEM_CAP_READ, 0, &ptr0));
void *ptr1 = NULL;
TEST_ESP_OK(esp_mmu_map(part->address + TEST_BLOCK_SIZE, TEST_BLOCK_SIZE, MMU_TARGET_FLASH0, MMU_MEM_CAP_EXEC, 0, &ptr1));
void *ptr2 = NULL;
TEST_ESP_OK(esp_mmu_map(part->address + 2 * TEST_BLOCK_SIZE, TEST_BLOCK_SIZE, MMU_TARGET_FLASH0, MMU_MEM_CAP_READ, 0, &ptr2));
esp_mmu_map_dump_mapped_blocks(stdout);
TEST_ESP_OK(esp_mmu_unmap(ptr0));
TEST_ESP_OK(esp_mmu_unmap(ptr1));
TEST_ESP_OK(esp_mmu_unmap(ptr2));
}
TEST_CASE("Can find paddr caps by any paddr offset", "[mmu]")
{
const esp_partition_t *part = s_get_partition();
ESP_LOGI(TAG, "found partition '%s' at offset 0x%"PRIx32" with size 0x%"PRIx32, part->label, part->address, part->size);
void *ptr0 = NULL;
TEST_ESP_OK(esp_mmu_map(part->address, TEST_BLOCK_SIZE, MMU_TARGET_FLASH0, MMU_MEM_CAP_READ, 0, &ptr0));
mmu_mem_caps_t caps = 0;
TEST_ESP_OK(esp_mmu_paddr_find_caps(part->address, &caps));
ESP_LOGI(TAG, "caps: 0x%x", caps);
TEST_ASSERT(caps == MMU_MEM_CAP_READ);
TEST_ESP_OK(esp_mmu_paddr_find_caps(part->address + 0x100, &caps));
ESP_LOGI(TAG, "caps: 0x%x", caps);
TEST_ASSERT(caps == MMU_MEM_CAP_READ);
TEST_ESP_OK(esp_mmu_unmap(ptr0));
}
typedef struct {
SemaphoreHandle_t done;
} test_task_arg_t;
void map_task(void *varg)
{
esp_err_t ret = ESP_FAIL;
test_task_arg_t* args = (test_task_arg_t*) varg;
const esp_partition_t *part = s_get_partition();
srand(199);
int cnt = 0;
while (true) {
if (cnt >= 10000) {
break;
}
size_t i = rand() % part->size;
void *ptr0 = NULL;
size_t phys_addr = part->address + i;
size_t region_offset = phys_addr & (CONFIG_MMU_PAGE_SIZE - 1);
size_t mmap_addr = phys_addr & ~(CONFIG_MMU_PAGE_SIZE - 1);
ret = esp_mmu_map(mmap_addr, 1 + region_offset, MMU_TARGET_FLASH0, MMU_MEM_CAP_READ | MMU_MEM_CAP_8BIT, ESP_MMU_MMAP_FLAG_PADDR_SHARED, &ptr0);
if (ret == ESP_OK) {
esp_mmu_unmap(ptr0);
}
cnt++;
vTaskDelay(pdMS_TO_TICKS(1));
}
xSemaphoreGive(args->done);
vTaskDelete(NULL);
}
TEST_CASE("Test mmap concurrency", "[mmu][manual][ignore]")
{
test_task_arg_t args0 = {
.done = xSemaphoreCreateBinary(),
};
test_task_arg_t args1 = {
.done = xSemaphoreCreateBinary(),
};
xTaskCreate(map_task, "map0_task", 8096, &args0, 1, NULL);
xTaskCreate(map_task, "map1_task", 8096, &args1, 1, NULL);
xSemaphoreTake(args0.done, portMAX_DELAY);
xSemaphoreTake(args1.done, portMAX_DELAY);
vTaskDelay(100);
vSemaphoreDelete(args0.done);
vSemaphoreDelete(args1.done);
}