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crypto: DS uses RSA peripheral, added shared lock

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This commit is contained in:
Marius Vikhammer
2020-04-07 12:30:00 +08:00
committed by bot
parent a521921788
commit a2a204c2b9
11 changed files with 75 additions and 58 deletions
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components/esp32s2/esp_crypto_lock.c
+19 -7
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@@ -16,17 +16,29 @@
#include "esp_crypto_lock.h"
/* Single lock for SHA engine
*/
static _lock_t s_crypto_lock;
/* Single lock for SHA and AES engine which both use the crypto DMA */
void esp_crypto_lock_acquire(void)
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_lock);
_lock_acquire(&s_crypto_dma_lock);
}
void esp_crypto_lock_release(void)
void esp_crypto_dma_lock_release(void)
{
_lock_release(&s_crypto_lock);
_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);
}