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Even beyond the 90s, in uClinux (microcontroller Linux). While it was technically bad to access hardware directly, it was definitely possible to, for example, w
by syntheticnature 10y ago
Even beyond the 90s, in uClinux (microcontroller Linux). While it was technically bad to access hardware directly, it was definitely possible to, for example, write a bit-banging I2C driver in userspace.