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Re: OS startup goals and steps

From "Rod Pemberton" <boo@fasdfrewar.cdm>
Newsgroups alt.os.development
Subject Re: OS startup goals and steps
Date 2015-07-17 05:48 -0400
Organization Aioe.org NNTP Server
Message-ID <op.x1wv7lxuyfako5@localhost> (permalink)
References <mo2l1n$7o2$1@dont-email.me> <mo7nlc$5ej$1@speranza.aioe.org> <op.x1uysfbxyfako5@localhost> <mo8fot$vi5$1@speranza.aioe.org>

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On Thu, 16 Jul 2015 08:42:46 -0400, wolfgang kern <nowhere@never.at> wrote:
> Rod Pemberton wrote:

>>> I use 0:0600..0:7bff to store data including BIOS-returned structs:
>>>
>>> origin IVT, (only needed for reboot)
>>> A20-mode,   (set by BIOS or port92 or keybd)
>>> VESA-modelist, INT15_E820, EDID, INT15_C2,   (to enable USB to PS/2
>>> mouse emulation)
>>> INT13_41 flags,  (check if 64-bit address supported)
>>> CPUID0/1/..      (CPU-name and check for TSC,cmov,..)
>>> and all PCI-configuration (needed to detect SATA-ports)
>> ...
>
>>> INT15_C2 (to enable USB to PS/2 mouse emulation)
>>
>> Could you explain this one? ...
>
> My BIOSes (all AMI) will not emulate an USB-mouse without setting
> up a far-pointer by 15C207 to a (dummy RETF anyway) routine
> followed by a 15C200BH01 (enable). Perhaps because my keybords
> are still PS/2.
> After this I can use PM/RM port60 mouse routines and ignore BIOS.
>

I would not figure that out from RBIL.

Is this custom for your motherboard and BIOS?

Or, is this something in one of the many specifications?


Rod Pemberton

-- 
Scientist now say we'll experience a mini-ice in 2030.
So, I guess we need more global warming today ...

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Thread

OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-14 10:35 +0100
  Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-15 04:00 -0400
    Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-15 22:29 -0400
      Re: OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-16 08:00 +0100
        Re: OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-16 11:01 +0100
          Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-17 05:40 -0400
            Re: OS startup goals and steps "wolfgang kern" <nowhere@never.at> - 2015-07-17 17:58 +0200
        Re: OS startup goals and steps "Alexei A. Frounze" <alexfrunews@gmail.com> - 2015-07-16 03:24 -0700
  Re: OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-16 10:32 +0100
    Re: OS startup goals and steps "wolfgang kern" <nowhere@never.at> - 2015-07-16 16:04 +0200
      Re: OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-17 06:44 +0100
        Re: OS startup goals and steps "wolfgang kern" <nowhere@never.at> - 2015-07-17 17:50 +0200
    Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-17 06:10 -0400
      Re: OS startup goals and steps "James Harris" <james.harris.1@gmail.com> - 2015-07-17 18:07 +0100
        Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-18 03:35 -0400
  Re: OS startup goals and steps "wolfgang kern" <nowhere@never.at> - 2015-07-16 14:42 +0200
    Re: OS startup goals and steps "Rod Pemberton" <boo@fasdfrewar.cdm> - 2015-07-17 05:48 -0400
      Re: OS startup goals and steps "wolfgang kern" <nowhere@never.at> - 2015-07-17 17:29 +0200

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