esp-idf/components/esp_system/fpga_overrides_rng.c

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/*
* SPDX-FileCopyrightText: 2010-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stddef.h>
#include "esp_log.h"
#include "esp_attr.h"
static const char *TAG = "fpga_rng";
/* Placed in IRAM since test_apps expects it to be */
void IRAM_ATTR bootloader_fill_random(void *buffer, size_t length)
{
ESP_EARLY_LOGE(TAG, "Project configuration is for internal FPGA use, RNG will not work");
uint8_t *buffer_bytes = (uint8_t *)buffer;
for (int i = 0; i < length; i++) {
buffer_bytes[i] = 0x5A;
}
}
/**
* @brief No-op function, used to force linking this file
*
*/
void esp_common_include_fpga_overrides_rng(void)
{
}