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Attempting to add support to esp32s3.

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Will it work? Who knows...

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-04-04 21:01:55 +02:00
parent 3d0a27c834
commit 023039deb2
24 changed files with 229 additions and 74 deletions
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38
src/rng/hwrng.c
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@@ -18,7 +18,17 @@
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#ifndef ENABLE_EMULATION
#if defined(ENABLE_EMULATION)
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
mbedtls_ctr_drbg_context ctr_drbg;
extern uint32_t board_millis();
#elif (ESP_PLATFORM)
#include "bootloader_random.h"
#include "esp_random.h"
#include "esp_compat.h"
#else
#include "pico/stdlib.h"
#include "hwrng.h"
@@ -28,16 +38,13 @@
#include "bsp/board.h"
#include "pico/time.h"
#else
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
mbedtls_ctr_drbg_context ctr_drbg;
extern uint32_t board_millis();
#endif
void adc_start() {
#ifndef ENABLE_EMULATION
#if defined(ENABLE_EMULATION)
#elif defined(ESP_PLATFORM)
bootloader_random_enable();
#else
adc_init();
adc_gpio_init(27);
adc_select_input(1);
@@ -46,7 +53,7 @@ void adc_start() {
void adc_stop() {
}
#ifdef ENABLE_EMULATION
#if defined(ENABLE_EMULATION) || defined(ESP_PLATFORM)
uint32_t adc_read() {
return 0;
}
@@ -76,7 +83,12 @@ static int ep_process() {
ep_init();
}
uint64_t word = 0x0;
#ifndef ENABLE_EMULATION
#if defined(ENABLE_EMULATION)
mbedtls_ctr_drbg_random(&ctr_drbg, (uint8_t *) &word, sizeof(word));
#elif defined(ESP_PLATFORM)
esp_fill_random((uint8_t *)&word, sizeof(word));
#else
for (int n = 0; n < 64; n++) {
uint8_t bit1, bit2;
do {
@@ -86,8 +98,6 @@ static int ep_process() {
} while (bit1 == bit2);
word = (word << 1) | bit1;
}
#else
mbedtls_ctr_drbg_random(&ctr_drbg, (uint8_t *) &word, sizeof(word));
#endif
random_word ^= word ^ board_millis() ^ adc_read();
random_word *= 0x00000100000001B3;
@@ -200,7 +210,11 @@ uint32_t neug_get() {
void neug_wait_full() {
struct rng_rb *rb = &the_ring_buffer;
#ifndef ENABLE_EMULATION
#ifdef ESP_PLATFORM
uint8_t core = xTaskGetCurrentTaskHandle() == hcore1 ? 1 : 0;
#else
uint core = get_core_num();
#endif
#endif
while (!rb->full) {
#ifndef ENABLE_EMULATION