在 ESP32 跑 Linux 作業系統

Hacker News 首頁上看到在有中國的開發者在 ESP32 上跑 Linux 作業系統:「Linux 5.0 shown to boot on ESP32 processor」,對應的討論在「Linux 5.0 shown to boot on ESP32 processor (cnx-software.com)」這邊可以看到。

文章最後面有提到這不是第一次在 ESP32 上跑 Linux:

Note it’s not the first time somebody runs Linux on ESP32, as last year the older Ubuntu 9.04 was demonstrated on ESP32.

看起來應該是作者覺得很有趣,所以還是提出來... 機器是 8MB PSRAM 與 2MB SPI flash:

ESP32 IoT processor supports up to 8MB PSRAM which makes it just enough to run a minimal version of Linux. There’s little practical application for it, but it may be fun to try, and one developer apparently managed to boot Linux 5.0.0 on a board with an ESP32 dual-core Xtensa processor connected to 8MB PSRAM and a 2MB SPI flash.

如果以 8MB RAM 來推算的話,大概是 i386 (80386) 到 i486 (80486) 時代的電腦?不過 ESP32 的 CPU 時脈快不少 (雖然架構不同不太能直接比較)。

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