Which xtensa options are present in esp32

torokg
Posts: 1
Joined: Thu Aug 30, 2018 7:41 pm

Which xtensa options are present in esp32

Postby torokg » Thu Aug 30, 2018 7:48 pm

Hi,

We are currently working on a custom operating system which we wish to run over ESP32. In order to proceed, we need to know which Xtensa CPU options are incorporated to ESP32. We use the document linked below to learn about the architecture and implement metal-specific stuff, but as it is a general Xtensa description, we cannot continue until we don't know how ESP32 is specialised.

Any kind of clue is appreciated :)

https://0x04.net/~mwk/doc/xtensa.pdf

ESP_igrr
Posts: 2067
Joined: Tue Dec 01, 2015 8:37 am

Re: Which xtensa options are present in esp32

Postby ESP_igrr » Fri Aug 31, 2018 2:06 am

You can find the options in this header file: https://github.com/espressif/esp-idf/bl ... core-isa.h

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