[mapping:esp_rom] archive: libesp_rom.a entries: esp_rom_spiflash (noflash) if HEAP_TLSF_USE_ROM_IMPL = y && ESP_ROM_TLSF_CHECK_PATCH = y: esp_rom_tlsf (noflash) if SOC_SYSTIMER_SUPPORTED = y: esp_rom_systimer (noflash)