A beta version of ESP8266 SDK with RTOS is just released on github !!!
link: https://github.com/espressif/esp_iot_rtos_sdk
wiki: https://github.com/espressif/esp_iot_rtos_sdk/wiki
In order to compile sdk_with_rtos_beta, please upzip the attachment in VM by command:
sudo tar jxvf xtensa.tar.bz2 -C /opt/xtensa-lx106-elf/lib/gcc/xtensa-lx106-elf/4.8.2/include/
password: espressif
Note
Update compiler on BBS
APIs of "esp_iot_rtos_sdk" are same as "esp_iot_sdk"
Libs which are not open source in “esp_iot_rtos_sdk_lib” .
Please copy them to "\esp_iot_rtos_sdk\lib", then compile .
Compile
using command: ./gen_misc.sh
Download
eagle.app.v6.flash.bin, downloads to flash 0x00000
eagle.app.v6.irom0text.bin, downloads to flash 0x40000
blank.bin, downloads to flash 0x7E000