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component/esp32 : fix dualcore bug

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1. When dual core cpu run access DPORT register, must do protection.
2. If access DPORT register, must use DPORT_REG_READ/DPORT_REG_WRITE and DPORT_XXX register operation macro.
This commit is contained in:
Tian Hao
2017-05-08 20:03:04 +08:00
parent 5c0d0d4854
commit f7e8856520
28 changed files with 592 additions and 207 deletions
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9
components/esp32/hwcrypto/aes.c
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@@ -29,6 +29,7 @@
#include "hwcrypto/aes.h"
#include "rom/aes.h"
#include "soc/dport_reg.h"
#include "esp_dport_access.h"
#include <sys/lock.h>
static _lock_t aes_lock;
@@ -38,10 +39,10 @@ void esp_aes_acquire_hardware( void )
/* newlib locks lazy initialize on ESP-IDF */
_lock_acquire(&aes_lock);
/* Enable AES hardware */
REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
/* Clear reset on digital signature & secure boot units,
otherwise AES unit is held in reset also. */
REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_AES
| DPORT_PERI_EN_DIGITAL_SIGNATURE
| DPORT_PERI_EN_SECUREBOOT);
@@ -50,10 +51,10 @@ void esp_aes_acquire_hardware( void )
void esp_aes_release_hardware( void )
{
/* Disable AES hardware */
REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_AES);
DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_AES);
/* Don't return other units to reset, as this pulls
reset on RSA & SHA units, respectively. */
REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
_lock_release(&aes_lock);
}