if IDF_TARGET_ESP32 = y:
    [scheme:phy_iram]
    entries:
    if ESP_WIFI_SLP_IRAM_OPT = y:
        phy_iram -> iram0_text
    else:
        phy_iram -> flash_text

    [sections:phy_iram]
    entries:
        .phyiram+

[mapping:phy]
archive: libphy.a
entries:
    * (noflash_data)
    if IDF_TARGET_ESP32 = y:
        * (phy_iram)

[mapping:rtc]
archive: librtc.a
entries:
    * (noflash_text)

[mapping:esp_phy]
archive: libesp_phy.a
entries:
    if ESP_WIFI_SLP_IRAM_OPT =y:
        phy_init:esp_phy_enable (noflash)
        phy_init:esp_phy_disable (noflash)
        phy_init:esp_wifi_bt_power_domain_off (noflash)