i386 is a great target for toy OSs. There's no risk of getting a bit megalomaniacal and thinking your OS could ever be anything more than a toy. Also, it's more

i386 is a great target for toy OSs. There's no risk of getting a bit megalomaniacal and thinking your OS could ever be anything more than a toy. Also, it's more challenging than RISC-V, ARM, and even x86-64, so it feels like more of an accomplishment if you actually make it to userland and back without catastrophic failures.