hashflash.cpp

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#include "utils/dcp.h" // utils::hash_sha256
#include <ArduinoJson.h>
#include <array>
#include <cstdio> // sprintf
#include <string>
 
#include <utils/hashflash.h>
 
// defined in the Teensy default linker script imxrt1062_t41.ld
extern unsigned long _flashimagelen;
// typically hardcoded everywhere, but see also the linker script.
constexpr unsigned long flash_origin = 0x60000000;

uint32_t loader::flashimage::len() { return (uint32_t)(&_flashimagelen); };

utils::sha256 loader::flashimage::sha256sum() {
  auto *flash = (const uint8_t *)flash_origin;
  return utils::sha256(flash, len());
  // sha256_t checksum;
  // utils::hash_sha256(flash, flashimagelen(), checksum.data());
  // return checksum;
};