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bootloader: add flash encryption support for C3

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Adds flash encryption support for C3 and updates docs for S2 & C3
This commit is contained in:
Marius Vikhammer
2020-12-21 14:48:49 +08:00
parent e82fe93b3d
commit 03fa63b0c9
12 changed files with 1191 additions and 238 deletions
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6
components/spi_flash/esp32c3/flash_ops_esp32c3.c
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@@ -23,6 +23,7 @@
#include "hal/spi_flash_hal.h"
#include "esp_flash.h"
#include "esp_log.h"
#include "esp_attr.h"
static const char *TAG = "spiflash_c3";
@@ -37,8 +38,9 @@ esp_rom_spiflash_result_t IRAM_ATTR spi_flash_write_encrypted_chip(size_t dest_a
assert((dest_addr % 16) == 0);
assert((size % 16) == 0);
if (!esp_ptr_internal(src)) {
uint8_t block[128]; // Need to buffer in RAM as we write
/* src needs to be 32 bit aligned */
if (!esp_ptr_internal(src) || (intptr_t)src & 0x3) {
WORD_ALIGNED_ATTR uint8_t block[128]; // Need to buffer in RAM as we write
while (size > 0) {
size_t next_block = MIN(size, sizeof(block));
memcpy(block, src, next_block);