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support bootloader_random api

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This commit is contained in:
hongshuqing
2026-05-11 09:08:19 +08:00
committed by gaoxu
parent aa54a711af
commit fab36071f8
2 changed files with 27 additions and 1 deletions
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components/bootloader_support/src/bootloader_random_esp32s31.c
+26
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@@ -5,10 +5,36 @@
*/
#include "sdkconfig.h"
#include "bootloader_random.h"
#include "soc/trng_reg.h"
#include "rom/ets_sys.h"
#include "rom/uart.h"
void bootloader_random_enable(void)
{
// Enable entropy source of ring
SET_PERI_REG_MASK(TRNG_CONF_REG, TRNG_SAMPLE_ENABLE);
// Enable entropy source of crc
SET_PERI_REG_MASK(TRNG_CONF_REG, TRNG_NOISE_CRC_EN);
// //For dieharder test
// ets_printf("S31: Random bytes (%s) follow:\n","test");
// while (1)
// {
// uint32_t w = READ_PERI_REG(TRNG_CRC_SYNC_DATA_REG);
// // ets_printf("rng_data:%d\n", w);
// // uart_tx_wait_idle(0);
// uart_tx_one_char(w >> 24);
// uart_tx_one_char(w >> 16);
// uart_tx_one_char(w >> 8);
// uart_tx_one_char(w);
// }
}
void bootloader_random_disable(void)
{
CLEAR_PERI_REG_MASK(TRNG_CONF_REG, TRNG_SAMPLE_ENABLE);
CLEAR_PERI_REG_MASK(TRNG_CONF_REG, TRNG_NOISE_CRC_EN);
}