Re: [avr-gcc-list] Table in bootloader section

[E . Weddington]

> Hello !
> 
> I have already posted this but nobody solved this, so I 
am trying once 
> again:
> 
> I would like to put an pre-defined array in the 
bootloader section. I 
> know how to place code in the bootloader section, but I 
am unable to put 
> an array in the same section.
> 
> prog_char table[] __attribute__ ((section 
(".bootloader"))) = {1,2,3,4,5};
> 
> The file compile well, but the table is not in the 
supposed section.
> 
> marko
> 

AFAICT, there's no way to do this, at this moment.

When you use prog_char, a variable attribute will be placed 
on your variable that causes it to be always be placed in 
the .progmem.data section. (See the GCC user manual, in C 
Extensions for more info about attributes.) AFAIK, that is 
the only way to get data into the Program Memory.

If you really need to save this data when doing 
bootloading, you can always copy the data from this address 
to a known, fixed address in the bootloader space and then 
access it from there.

Eric



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