[ECOS] Re: HOWTO: eCos on QEMU PC emulator

John Dallaway jld@codeconfidence.com
Thu Mar 24 22:19:00 GMT 2011

Hi Grant

Grant Edwards wrote:

> On 2011-03-24, John Dallaway <jld@codeconfidence.com> wrote:
>> Hi Grant
>> Grant Edwards wrote:
>>> It would be simpler if floppy-boot mode would work: there would be no
>>> need to create an ISO image, which requires something like grub to
>>> load the application. But, since I do have something that works, I
>>> don't have a lot of motivation to figure out what's wrong with the
>>> floppy startup mode. :)
>> I have always found it necessary to pad the disk image to 1440KiB when
>> using CYG_HAL_STARTUP == "FLOPPY" with QEMU. Ref:
>>   http://www.codeconfidence.com/technote-0002.shtml
> I see you pad to 0x16b000 (1452K) where does that number come from?

The parameter is an address, not a file length. This is discussed a
little later in the technical note.

John Dallaway

John L Dallaway
Code Confidence Ltd

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