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Full Discussion: Running bin file from a module
Top Forums Programming Running bin file from a module Post 302506162 by Corona688 on Friday 18th of March 2011 04:55:25 PM
Old 03-18-2011
Quote:
Originally Posted by Chrisdot
Well, I show you "Big picture" as you asked for.

Actors:
User
PC with preinstalled OS: RedHat from 2010year
Network Interface Card (let's call it "NIC") produced in 2011year

Usage model:
1. User plugs NIC to PCIe bus in PC
2. User turns on PC
3. User has got an internet connection

Do you got the idea? Just plug and play - no drivers, no additional installations, etc.
Well that only took three entire pages of begging. THANK YOU.

I think you may be going about this the wrong way still though. The way to do this would be to add general-purpose UEFI support to Linux, not to hack one special thing that supports UEFI. And you'd probably want to use some sort of emulator, not something that converts UEFI code into whatever code your kernel uses.

But the biggest problem is I'm not sure UEFI even applies once an operating system's been loaded. Linux used to support BIOS-mode disk devices, for example, until it became clear that there were just too many corner cases where running in protected mode and controlling your own interrupts and DMA and all that jazz prevented BIOS calls from being able to work the way it was intended no matter how hard you tried to fool them. Sometimes. Very firmware-dependent. So they dropped that and added support for droves of different hard drive controllers instead, and that's how it's worked for a long time. Some coherent standards like AHCI are helping make drivers more generic again though.

You could make something like a DOS around raw UEFI devices -- a small self-contained OS which relies on system firmware to do most of the work. It could be surprisingly sophisticated with the system firmware features available now. Networking and graphics could be sufficient to run a reasonable impression of a web browser to download and save drivers with.
Last edited by Corona688; 03-18-2011 at 06:04 PM..
 

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LEARN ABOUT DEBIAN

mkdns323fw

MKDNS323FW(1)							   User Commands						     MKDNS323FW(1)

NAME

       mkdns323fw - build firmware images for the DNS-323 from a kernel and initrd

SYNOPSIS

       mkdns323fw -k KERNEL -i INITRD [-d DEFAULTS] -p PRODUCT_ID -c CUSTOM_ID -m MODEL_ID -o OUTPUTFILE

DESCRIPTION

       mkdns323fw  creates  firmware  images suitable for upload to the D-link DNS-323 and other, similar devices based on the same basic firmware
       image, such as the Conceptronics CH3SNAS.  These firmware images contain a kernel and initrd, as well as  various  product-specific  values
       and checksums.

       This  command can be very dangerous; although it attempts to do some very, very basic sanity checking, it is still quite easy to generate a
       firmware file that, when loaded into your device, will kill it stone dead.  This program is not able to check that you're  uploading  valid
       data to your device; if you brick it, you're on your own.

       -k kernel, --kernel=kernel

	      specify  the file containing the kernel image to embed in the firmware image.  This must be a uBoot image file, as produced by mkim-
	      age(1) with appropriate options to specify it as a kernel image.	Attempts to provide a non-uBoot file will fail, while specifying a
	      non-kernel uBoot file may well brick your device.  This option is required.

       -i initrd, --initrd=initrd

	      the initrd file to embed in the firmware image.  This must be a uBoot image file, as produced by mkimage(1) with appropriate options
	      to specify it as a ramdisk.  The tool will refuse to embed a non-uBoot file, however a dodgy ramdisk will likely brick your device.

       -d defaults.tar.gz, --defaults=defaults.tar.gz

	      The firmware format has the ability to embed a tarball with a default configuration; if you want to do this, you may use this option
	      to  do  so.   However,  the  devices that the author has dealt with do not require such a thing, and leaving it out still produces a
	      valid firmware (and one that is a bit smaller, to boot).

       -s signature, --defaults=signature

	      For reasons that will probably remain unknown until the ends of time, there are (at least) two different firmware signatures running
	      around  that are otherwise identical in their internal structure, which are used for different devices.  This option exists to allow
	      you to specify the signature that you want to use in your firmware build.  Valid	values	for  this  option  are	currently  FrodoII
	      (R)(the  default if this option is not specified), Chopper (R)or Gandolf (R)which is used in some devices.  See the table at the top
	      of the script if you don't know which value to use for your device.

       --p product_id, --product-id=product_id

       --c custom_id, --custom-id=custom_id

       --m model_id, --model-id=model_id

	      Specify the product, custom, and model ID that this firmware image is intended for.  As several different  devices  share  the  same
	      firmware	format, the intended device type is encoded in these fields.  If you do not specify the correct values for the device that
	      you are targetting with your firmware, it is quite likely that the device will refuse the upload.

	      Known-good values for various devices are provided in the header of the script; please look there for  more  information.   You  can
	      also obtain the values you need by downloading an existing firmware for the device you're targetting and doing a bit of digging.

       -o outputfile, --output=outputfile

	      Where to write the completed firmware image.  Will overwrite any existing file of the same name.

BUGS

       E-mail  bug  reports to theshed+dns323-firmware-tools@hezmatt.org.  I don't guarantee to be able to help, but I'll give it a shot.  Patches
       are far more helpful.

AUTHOR

       mkdns323fw was written by Matt Palmer, based on reverse-engineering work done by Leschinsky Oleg.

COPYRIGHT

       Copyright (C) 2008 Matt Palmer.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE, to the extent permitted by law.

SEE ALSO

       mkimage(1), splitdns323fw(1).

dns323-firmware-tools 0.1					   October 2008 						     MKDNS323FW(1)
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