esp32.bootloader.rom.ld
1 PROVIDE ( ets_update_cpu_frequency = 0x40008550 ); /* Updates g_ticks_per_us on the current CPU only; not on the other core */ 2 PROVIDE ( MD5Final = 0x4005db1c ); 3 PROVIDE ( MD5Init = 0x4005da7c ); 4 PROVIDE ( MD5Update = 0x4005da9c );