Re: [avr-gcc-list] progmem and section attributes

[Lars Noschinski]

* Stu Bell <address@hidden> [10-06-10 09:23]:
> Lars Noschinski wrote:
> > 
> > I've got an array which I want to be stored at a specific 
> > place in the flash memory. Currently, this variable is marked 
> > with the progmem attribute, but this is not compatible with 
> > using the section attribute.
> > Does using the section attribute to place the variable 
> > outside of the .data section imply the effects of the progmem 
> > attribute?
> > 
> 
> Before I asnwer your question, I have a couple of my own (and I'll
> explain below why I need the answers):  What AVR processor is this?
> Where do you plan on putting the table with respect to the rest of the
> code?

ATmega 16 and 162, so no problems w.r.t flash size.

> #define BOOTSTRING_SECTION   __attribute__ ((section (".bootstring")))
> 
> const char boot_Version   [] BOOTSTRING_SECTION = "1.1";
> const char boot_Monitor   [] BOOTSTRING_SECTION = "DPHIMON ";
> 
> Then, in the LDFLAGS in my makefile:
> 
> LDFLAGS += -Wl,--section-start=.bootstring=0x3FA00

Ok, that's the way I did it, too.


 -- Lars.