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Secure boot v2 support for ESP32-S2

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This commit is contained in:
Supreet Deshpande
2020-03-04 00:28:18 +05:30
committed by bot
parent ba717a298f
commit e640e148cf
11 changed files with 509 additions and 74 deletions
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3
components/bootloader_support/src/bootloader_utility.c
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@@ -820,6 +820,7 @@ void bootloader_debug_buffer(const void *buffer, size_t length, const char *labe
esp_err_t bootloader_sha256_flash_contents(uint32_t flash_offset, uint32_t len, uint8_t *digest)
{
if (digest == NULL) {
return ESP_ERR_INVALID_ARG;
}
@@ -836,7 +837,7 @@ esp_err_t bootloader_sha256_flash_contents(uint32_t flash_offset, uint32_t len,
while (len > 0) {
uint32_t mmu_page_offset = ((flash_offset & MMAP_ALIGNED_MASK) != 0) ? 1 : 0; /* Skip 1st MMU Page if it is already populated */
uint32_t partial_image_len = MIN(len, ((mmu_free_pages_count - mmu_page_offset) * SPI_FLASH_MMU_PAGE_SIZE)); /* Read the image that fits in the free MMU pages */
const void * image = bootloader_mmap(flash_offset, partial_image_len);
if (image == NULL) {
bootloader_sha256_finish(sha_handle, NULL);