esp-idf/components/esp_hw_support/port/esp32s2/esp_crypto_lock.c

37 wiersze
719 B
C

/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/lock.h>
#include "esp_crypto_lock.h"
/* Single lock for SHA and AES engine which both use the crypto DMA */
static _lock_t s_crypto_dma_lock;
/* Lock for the MPI/RSA peripheral, also used by the DS peripheral */
static _lock_t s_crypto_mpi_lock;
void esp_crypto_dma_lock_acquire(void)
{
_lock_acquire(&s_crypto_dma_lock);
}
void esp_crypto_dma_lock_release(void)
{
_lock_release(&s_crypto_dma_lock);
}
void esp_crypto_mpi_lock_acquire(void)
{
_lock_acquire(&s_crypto_mpi_lock);
}
void esp_crypto_mpi_lock_release(void)
{
_lock_release(&s_crypto_mpi_lock);
}