boot/espressif/os.c

/*
 * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifdef CONFIG_ESP_USE_MBEDTLS

#include <mbedtls/platform.h>
#include <mbedtls/memory_buffer_alloc.h>

#define CRYPTO_HEAP_SIZE 16384

static unsigned char memory_buf[CRYPTO_HEAP_SIZE];

/*
 * Initialize Mbed TLS to be able to use the local heap.
 */
void os_heap_init(void)
{
    mbedtls_memory_buffer_alloc_init(memory_buf, sizeof(memory_buf));
}
#else

void os_heap_init(void)
{
}

#endif