RE: [avr-gcc-list] Function Pointers on AT90USB1287 and ATmega2561

[Weddington, Eric]

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Peter LaDow
> Sent: Friday, February 22, 2008 9:17 AM
> To: address@hidden
> Subject: Re: [avr-gcc-list] Function Pointers on AT90USB1287 
> and ATmega2561
> 
> 
> Right.  Though I did say words not bytes.  The AVR LIBC documentation
> says "with > 64 KB of flash ROM".  Sounds like that needs to 
> be updated,
> especially if function pointers cannot address code beyond 64K words.
> Though that may not be what they meant.

It would be helpful if you filled out an avr-libc bug report. That way
the issue can be fixed.

 
> But I do find it strange that the AT90USB1287 uses a 3 byte PC for
> call/ret and reti, thought it only has 128K of flash.

I find it extremely odd too, and I'm not at all sure that it is correct.
Some investigation will have to be done to verify this information.

Eric Weddington