alt.os.development Google Group

[ANN] MikeOS 4.0 converted to 32 bit protected mode

mikego...@gmail.com (news.aioe.org) — Mon, 12 Dec 2009 00:18:11 UT

MikeOS 4.0 converted to 32 bit protected mode
[link]
Mike Gonta
look and see - many look but few see
[link]

An attempt in writing an OS.

sdcs...@gmail.com (Aharon Lavie) — Sun, 12 Dec 2009 15:13:16 UT

Finally, I decided to make an attempt to write an operating system. As
my first step, I decided to write an MBR that would let me switch
between the development platform and the operating system under
development. It works. Upon booting, a panel on the screen offers the
choice between booting either operating systems. At present, the one I

programming a PCI device in DOS

makar...@yahoo.com (anotherbrick) — Thu, 12 Dec 2009 22:35:02 UT

I have searched web for documents
about how to program a PCI device under DOS
but found only this
[link]
but it is not very clear
can you help about more online documents ?
where to look ?

Martin S. posted how to create DOS .com with gas and ld.

do_not_h...@nohavenot.cmm (Rod Pemberton) — Wed, 12 Dec 2009 12:29:42 UT

On comp.os.msdos.djgpp,
This might be useful to guys on Linux, e.g., producing .com's for
FreeDOS/DOSEMU, or those who use DJGPP.
Rod Pemberton

alt.os.development FAQ

james.harris...@googlemail.com (James Harris - 1a) — Tue, 12 Dec 2009 22:50:13 UT

The FAQ for this newsgroup is held at
[link]
containing answers to questions on operating system development.

A new bochs gui project

cmk...@gmail.com (peter) — Mon, 11 Nov 2009 06:43:50 UT

[link]
Thank

Re: Function BB of Int 1Ah

do_not_h...@nohavenot.cmm (Rod Pemberton) — Fri, 11 Nov 2009 07:43:45 UT

spec
Not I.
I don't see BBh for Int 0x1A in RBIL (Ralf Brown's Interrupt List) either.
Are you sure the BBh is correct? There is one listed with 0Bh and another
that has 8Bh... A few of the AX = Bxxxh functions are related to PCI and
Plug-n-Play - which have specifications.
Rod Pemberton
PS. I added a couple of groups. Maybe someone knows. You might also try

Help.Missing interrupt from rtl8139 network card.

huxuelei...@gmail.com (leilei) — Wed, 11 Nov 2009 02:11:09 UT

Hi.
I am writting a small os base on x86 arch.
I have just written a rtl8139 driver for my os.the device's interrupt
vector is 11.
When I run my os, I can 'ping' it through windows for a while.
But after a few minutes, the rtl8139 network card has not produce any
interrupt.
I can assure the os is not dead.Because it can receive the interrupt

An OS generator?

do_not_h...@nohavenot.cmm (Rod Pemberton) — Tue, 11 Nov 2009 23:57:45 UT

It seems someone wrote an OS generator. It generates a RTOS from
information for a FSM.
"Given a set of 'tasks' written in C, WhatOS generates a finite-state
machine operating system in C, that is architecture independent and small
enough to run even on resource-limited 8-bit microcontrollers."
...

Attributes of a memory request or address space request

james.harri...@googlemail.com (James Harris) — Sun, 11 Nov 2009 19:24:12 UT

Below is an attempt to come up with a maximal set of attributes that
might be needed in a memory request. (Really it's an address space
request as the actual memory can be allocated by a page fault routine
as needed.)
In the general case are all of these needed? Are any other attributes
needed or advisable so that an address space allocator can be most

Re: Embedding assembler in a language

do_not_h...@nohavenot.cmm (Rod Pemberton) — Fri, 11 Nov 2009 22:50:22 UT

Either way.
Sure, why not? It may be slow, but it could be useful for bootstrapping an
x86 OS independent of cpu mode. To fully implement useable subset of x86
instructions, one needs:
1) math operations on one of: register, stack, or memory
2) ability to move data between register and stack
3) (optionally) ability to move data between registers

misc/RFC: design of a GUI API

cr88...@hotmail.com (BGB / cr88192) — Fri, 11 Nov 2009 20:50:45 UT

well, I am idly thinking of things, and starting to consider ideas for how I
will approach this.
basically, I am considering the issue of how I will approach adding GUI
facilities to my x86-interpreter-based world.
firstly, the core issues (as I see them):
there needs to be a separate protocol and GUI API (I am currently leaning

Operating Systems: Design and Implementation

zf...@frontiernet.net (Benjamin David Lunt) — Thu, 11 Nov 2009 23:48:35 UT

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As I was roaming through a section, I found

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status update: x86 interpreter...

cr88...@hotmail.com (BGB / cr88192) — Mon, 11 Nov 2009 19:23:49 UT

seems I had not been telling people here about this, so, I just figured I
would give a status update...
x86 ISA, still "mostly" supported:
x87 has not been well tested (and even then, does not currently support
"subtle issues" such as rounding modes, ...);
SSE/SSE2, still not gotten to finishing up support as of yet (mostly lacking

OT: US Supreme Court may rule on validity of software patents.

do_not_h...@nohavenot.cmm (Rod Pemberton) — Sun, 11 Nov 2009 11:56:06 UT

US Supreme Court may indirectly rule on the validity of software patents:
[link]
Rod Pemberton

Source based OS

antivigila...@pyrabang.com (Anti Vigilante) — Wed, 11 Nov 2009 00:33:15 UT

I'm interested in the development of a source based Operating System.
Such is already possible in color Forth, but I get headaches when doing
postfix somersaults.
The idea is that after boot all software is either in source form in
folders on the filesystem or in binary form in a cache area which is

alt.os.development FAQ

james.harris...@googlemail.com (James Harris - 1a) — Sun, 11 Nov 2009 23:55:34 UT

The FAQ for this newsgroup is held at
[link]
It contains answers to questions on operating system development.

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more: POSIX in a VM?

cr88...@hotmail.com (BGB / cr88192) — Sun, 10 Oct 2009 18:26:10 UT

well, this is a complexity which has come up:
I am still working some on an interpreter/VM making use of x86
virtualization, and looking into it, have run into a mystery:
should such a VM attempt to (at least partly) implement POSIX?...
in particular, the parts related to:
having a shell, VFS paths like '/bin' and '/dev', ability to invoke tools,

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huynhdwgjand...@gmail.com (Jan Huynh) — Fri, 10 Oct 2009 15:01:44 UT

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x86-based VM: code/data sharing and security...

cr88...@hotmail.com (BGB / cr88192) — Fri, 10 Oct 2009 03:33:10 UT

so, for context (just making sure people have an idea here):
I am considering ideas for a long running project of mine (since 2007 or
so), and am interested in thoughts on, "yet another piece of the puzzle".
so, here is the general architecture:
I have a dynamic C compiler, which targets x86 and x86-64 (my current

Good news

nowh...@never.at (Wolfgang Kern) — Tue, 10 Oct 2009 19:35:43 UT

Hi everbody,
after long discussions with myself and others ...
I finally decided the standard environment of my OS(KESYS)
for the next few years:
mainboard: MSI DKA 780GX platinum
beside PCIe,ATI-graphic,AMD chipset and all these modern stuff, it
got a working FD-controller, one IDE-connector and one "COM-port"!

os help

amitmau2...@gmail.com (amit verma(dennish)) — Sun, 10 Oct 2009 10:11:24 UT

i want to deisgn a tiny os but there is something confusion in mind
regarded to targeted hardware
plz tell me initial step or plz give me useful URL
plz.plz.......

May your privileged stack always be big enough

james.harri...@googlemail.com (James Harris) — Sat, 10 Oct 2009 11:52:16 UT

I normally list the key points of a post in the subject heading but in
this case there are just too many.... The post is about detecting
application stack overflow and underflow and, in particular,
protecting and sizing the privileged stack in 32-bit and 64-bit modes.
I'd appreciate your thoughts, suggestions and corrections.

looking for an old late 80's / early 90's msdos shell

rt...@rtdos.com (proteanthread) — Wed, 10 Oct 2009 00:53:13 UT

basically was source code to linux style commands with a simple pre-
processor
i think some of the filenames included
cp.c
mv.c
wasn't very big

Q: best method for system calls?...

cr88...@hotmail.com (BGB / cr88192) — Mon, 10 Oct 2009 23:12:20 UT

so, here is the issue:
I am considering running code in an interpreter, but may want to keep open
the option of using native processes.
so, here is the issue:
which method is 'best' for the handling of syscalls?...
possible options:
interrupts: convinient, conventional, but "could" be problematic with native

capturing interrupts in win32 console aplication

makar...@yahoo.com (anotherbrick) — Sun, 10 Oct 2009 14:16:39 UT

hello ,
I am an electronics engineer from Istanbul ( Turkey )
[link]
this is one of my products - its a paralel port PLC
I have written system software of this in real mode DOS
But I want use the big memory space of protected mode for this product
of mine
I want use one of the DPMI extenders for this

alt.os.development FAQ

james.harris...@googlemail.com (James Harris - 1a) — Thu, 10 Oct 2009 21:39:11 UT

The FAQ for this newsgroup is held at
[link]
It contains information relevant to operating system development.

16 bit c compiler

joe.davis...@gmail.com (joe.davis512@gmail.com) — Sun, 09 Sep 2009 11:58:54 UT

Hi, does anybody here know of a 16 bit c compiler other than bcc for
linux?
- Joe

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corcoranicfnfreda...@gmail.com (Freda Corcoran) — Fri, 09 Sep 2009 15:58:52 UT

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ok, "other" Win64 / Linux x86-64 glue options...

cr88...@hotmail.com (BGB / cr88192) — Fri, 09 Sep 2009 06:49:35 UT

so, here is what options I have:
"unstable transfer thunks", which could benefit function pointers, but are
not otherwise desirable.
as noted, this was the idea from the prior thread of making function
pointers which auto-detect the caller and hash the results.
not doing anything of the sort, but this is sort of a cop-out.

hmm: "unstable" transfer thunk

cr88...@hotmail.com (BGB / cr88192) — Thu, 09 Sep 2009 16:05:50 UT

well, here is the issue:
the same code may be compiled and run on both Windows and Linux, and it was
my consideration to use Win64 for both OS's on x86-64...
however, the code using Win64 may closely interoperate with code using the
SysV/AMD64 calling convention.
problem:
in not all cases can it be statically determined what is the correct calling

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lunsfordxlqola...@gmail.com (Ola Lunsford) — Thu, 09 Sep 2009 15:51:17 UT

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Release of FAT-following boot loader

james.harri...@googlemail.com (James Harris) — Wed, 09 Sep 2009 23:01:14 UT

I'm finally publishing the code of my faithful floppy boot loader that
others may find useful.
[link]
The page explains why it's easy to use and what it's advantages are.
In particular, using it with a virtual machine can help speed up the
development of the OS load process. Notes on this are included on the

RFC: new EH mechanism (revised 1)

cr88...@hotmail.com (BGB / cr88192) — Fri, 09 Sep 2009 17:29:50 UT

this spec is not complete (in the sense, that a whole lot of technical
detail is left out, since I have specified it elsewhere), but gives a fairly
good idea of the exception handling mechanism I am considering for my
compiler (dynamic / JIT based).
this is a revision of my prior spec (for the EH mechanism).

I need USB test contributors

zf...@frontiernet.net (Benjamin David Lunt) — Tue, 09 Sep 2009 22:25:58 UT

Hi everyone,
My USB book is coming along well. However, I need help
with the tests. I have a few test machines, but to make
a thorough and accurate test base, I need a much larger
test base.
If you feel that you are willing to help with a few tests,
please have a look at
[link]

FYSOS status

zf...@frontiernet.net (Benjamin David Lunt) — Thu, 09 Sep 2009 01:28:23 UT

Hi everyone,
For the past few months, off and on, when I could find the
time, I re-wrote the floppy controller code and fixed a few
other bugs and issues. It isn't complete, I still need to
make a few tests with other floppy disk sizes, but it is
quite a bit better than it was.
I also need to fix a few other places. Some of the code

alt.os.development FAQ

james.harris...@googlemail.com (James Harris - 1a) — Tue, 09 Sep 2009 22:50:45 UT

The FAQ for this newsgroup is held at
[link]
containing information relevant to the development of operating
systems.

Ziphone: Latest Apple iPhone news!!!!

alisha.alisha.jon...@gmail.com (alisha jones) — Wed, 08 Aug 2009 11:12:55 UT

Ziphone updates you with all the latest apple iPhones news, by
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OT: first assembler instruction...

do_not_h...@nohavenot.cmm (Rod Pemberton) — Mon, 08 Aug 2009 23:09:10 UT

My "assembler" - if you can call it that at this point - just compiled it's
first x86 instruction:
.eax _push
It's in an reverse order or RPN-ish like syntax due to current parsing
restrictions. In NASM, that's "push eax"... It's written in C, of
course... ;-)
Rod Pemberton

grub

overburnm...@gmail.com (Overburn Overburn) — Mon, 08 Aug 2009 16:40:36 UT

i am trying to do the tutorials at [link] .
and i have a link that would tell me how to setup GRUB . however the
link is broken. does anyone know where i can find that tutorial?

public domain C runtime library for MSDOS, OS/2, Windows 32, Linux and more

kerra...@w3.to (kerravon) — Sun, 08 Aug 2009 02:26:34 UT

In dedication to Rod Pemberton (aka Racer X - Speed Racer's mysterious
protector) who even in the year 2009 doesn't have an email address (I
once asked why but got lost after "now listen carefully Max"):
Jujitsu are pleased to announce the release of the
following software:
GCC 3.2.3 MVS 7.5 - GCC C compiler for z/OS, MVS/380, MVS/370.

Re: First formally proven OS kernel?

james.harri...@googlemail.com (James Harris) — Thu, 08 Aug 2009 14:23:43 UT

Copying to alt.os.development.
James

Changing from the processes and threads model

james.harri...@googlemail.com (James Harris) — Thu, 08 Aug 2009 11:02:34 UT

For some time now my design has included the fairly standard
processes - as containers for resources
threads - as OS-schedulable units of execution
where each thread runs in a process and each process supports one or
more threads.
Now I'm thinking of changing from that model to another one. This post

Bigendian COFF Objects

ang.use...@gmail.com (Aaron Gray) — Sat, 08 Aug 2009 17:17:26 UT

I am implementaion a COFF Reader for a COFF Linker and Dumper (at the mo),
it will go open source when its written :)
What is going on with Bigendian COFF Object characteristics field.
The documentation says :-
IMAGE_FILE_BYTES_REVERSED_LO 0x0080
IMAGE_FILE_BYTES_REVERSED_HI 0x8000
Now I dont get this, if I output 0x8000 in littleendian for Littleendian or

Re: I am enhancing the bochs debugger and making a GUI for it

nowh...@never.at (Wolfgang Kern) — Fri, 08 Aug 2009 18:04:32 UT

"Peter from China" asked:
[added A.O.D]
I think you better ask this question in A.O.D ,
Ben and/or Alexei may have got some experience with that matter
and me too is curious, to see some response on it.
__
wolfgang

alt.os.development FAQ

james.harris...@googlemail.com (James Harris - 1a) — Mon, 08 Aug 2009 19:14:04 UT

The FAQ for this newsgroup is held at
[link]
containing information relevant to operating system development.

alt.os.development Google Group

[ANN] MikeOS 4.0 converted to 32 bit protected mode

An attempt in writing an OS.

programming a PCI device in DOS

Martin S. posted how to create DOS .com with gas and ld.

alt.os.development FAQ

A new bochs gui project

Re: Function BB of Int 1Ah

Help.Missing interrupt from rtl8139 network card.

An OS generator?

Attributes of a memory request or address space request

Re: Embedding assembler in a language

misc/RFC: design of a GUI API

Operating Systems: Design and Implementation

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status update: x86 interpreter...

OT: US Supreme Court may rule on validity of software patents.

Source based OS

alt.os.development FAQ

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more: POSIX in a VM?

~~~~~~~~~~~~~~~ INTERNET MILLIONAIRE ~~~~~~~~~~~~~~~

x86-based VM: code/data sharing and security...

Good news

os help

May your privileged stack always be big enough

looking for an old late 80's / early 90's msdos shell

Q: best method for system calls?...

capturing interrupts in win32 console aplication

alt.os.development FAQ

16 bit c compiler

celebrity:> WARREN HAYNES <:click here

ok, "other" Win64 / Linux x86-64 glue options...

hmm: "unstable" transfer thunk

celebrity:> GOO GOO DOLLS <:click here

Release of FAT-following boot loader

RFC: new EH mechanism (revised 1)

I need USB test contributors

FYSOS status

alt.os.development FAQ

Ziphone: Latest Apple iPhone news!!!!

OT: first assembler instruction...

grub

public domain C runtime library for MSDOS, OS/2, Windows 32, Linux and more

Re: First formally proven OS kernel?

Changing from the processes and threads model

Bigendian COFF Objects

Re: I am enhancing the bochs debugger and making a GUI for it

alt.os.development FAQ

~ INTERNET MILLIONAIRE ~