[Oberon] Oberon / Aos disk performance

[Dan Parnete]

Pieter Muller wrote:

> Dan Parnete wrote:
>
>> Bus 0, device 31, function 1: class/rev 01018A01, vendor/device 
>> 808624CB, status/cmd 02800007
>>    Class: Mass storage controller, Sub-class: IDE interface
>>    Vendor: Intel Corp., Device: Unknown
>>        IRQ0, INTA
>>        8B I/O at 00000000 - 00000007
>>        4B I/O at 00000000 - 00000003
>>        8B I/O at 00000000 - 00000007
>>        4B I/O at 00000000 - 00000003
>>        16B I/O at 0000F000 - 0000F00F
>
>
> This is the IDE controller.  Vendor 8086H is Intel, and 24CBH is the 
> device type.
>
> You could try add code to AosATADisks.Mod to recognize this 
> controller.  Intel controllers are usually backward compatible.  Of 
> course you would be changing a driver, so you can never exclude the 
> possibility of data loss completely.  Make sure your valuable data is 
> backed up and you have time available to restore the system if required.
>
> 1. To add the device, add a "FindDevice(24CBH, 8086H)" in the 
> InitBusMaster procedure.  It should be clear from the context where it 
> should go.
>
> 2. Compile the module and link a new kernel using the first 
> "AosLinker.Link AOS:AosIDE.Bin" command in Aos.Tool.
>
> 3. Use the "Partitions.UpdateBootFile Diskette0#0 Aos ~" command to 
> write the kernel to a boot floppy for testing.  See Partitions.Tool.
>
> 4. Copy your boot settings to the floppy using Partitions.GetConfig 
> and Partitions.SetConfig.
>
> 5. Boot from the floppy to test the driver.  Since you copied your 
> BootVol setting, it will only load the kernel from the floppy and then 
> boot further from the normal boot device (hard disk or CD).
>
> 6. Check the kernel log for the bus master message.
>
> I haven't tried this in a while, so I hope nothing important was left 
> out...
>
> Good luck!
> -- Pieter
>
>
> -- 
> Oberon at inf.ethz.ch mailing list for ETH Oberon and related systems
> http://www.lists.inf.ethz.ch/mailman/listinfo/oberon
>
Wowww, it rocks. Yes it is. From 42757 now performs 14304 in random, and 
from 32170 to 1134 in sequential. This is another story.
Thank you Pieter, from now one you are my Maestro.

Dan