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Book8088's CF2IDE stumps Freedos boot (Users)

posted by ecm Homepage E-mail, Düsseldorf, Germany, 03.02.2024, 16:32

> This is the 186 check:
> https://github.com/FDOS/kernel/blob/db71b1a78337e96a89b4343b8303c6b8c4e6bb14/kernel/cpu.asm#L51
>
> And as I just mentioned here:
> https://retrocomputing.stackexchange.com/questions...id-the-i186-use-interrupt-6-for-invalid-opcodes
>
> I do detect the NEC V20 as an 186 class machine:
> https://hg.pushbx.org/ecm/ldebug/file/7f3440d5824d/source/init.asm#l3071
>
> This can be adapted to the kernel's CPU detection.
>
> Meanwhile you could patch an uncompressed kernel to skip the conditional
> branch that skips to the error message display. Or boot into lDebug, if
> possible, and trace into the early kernel init to skip the error.
Reported the 186 check missing NECs to the kernel at https://github.com/FDOS/kernel/issues/123

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l

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