Re: EDX value after reset

Hi Stanislav,

Not BIOS code but I do jump from reset straight into my code (embedded
system).

Regards,
Henk

On 28 March 2017 at 20:13, Stanislav <[email protected]> wrote:

> For anybody except BIOS writer the BIST is invisible because BIOS would
> overwrite the EDX anyway.
>
> Are you writing BIOS ?
>
>
>
> *From:* Henk Nep [mailto:[email protected]]
> *Sent:* Tuesday, March 28, 2017 9:46 PM
> *To:* Stanislav <[email protected]>
> *Cc:* [email protected]
> *Subject:* Re: [Bochs-developers] EDX value after reset
>
>
>
> Hi Stanislav,
>
> Thanks for such a quick reply. I am not sure I agree with you as the BIST
> result (even if it is always correct and doesn't do anything) should be
> simulated as well. I have now hard coded the value back in.
>
>
>
> Thanks,
>
> Henk.
>
>
>
>
>
>
> On 28 March 2017 at 18:53, Stanislav <[email protected]> wrote:
>
> Yes, it is correct.
>
> I don’t see any reason to invent any values of BIST test which Bochs
> doesn’t perform.
>
>
>
> Thanks,
>
> Stanislav
>
>
>
> *From:* Henk Nep [mailto:[email protected]]
> *Sent:* Tuesday, March 28, 2017 1:02 PM
> *To:* [email protected]
> *Subject:* [Bochs-developers] EDX value after reset
>
>
>
> Hi All,
>
> I just compiled 2.6.8 and noticed that the EDX register no longer contains
> the self test value after reset, is this correct?
>
>        P6          Pentium     486
> EDX    000006xxH   000005xxH   000004xxH
>
> The value after reset is 0. Here is my .conf file:
>
> ./configure --target=pentium-windows \
>             --enable-sb16 \
>             --enable-ne2000 \
>             --enable-all-optimizations \
>             --enable-cpu-level=4 \
>             --disable-fpu \
>             --enable-pci \
>             --enable-x86-debugger \
>             --enable-debugger \
>             --enable-iodebug \
>             --enable-clgd54xx \
>             --enable-show-ips \
>             --disable-readline \
>             --without-x \
>             --with-win32 --with-rfb --with-nogui
>
> Many thanks.
>
>
>

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