[PATCH 2/3] Add DMO RealQ7 board support
s.hauer at pengutronix.de
Sat Mar 9 14:03:55 EST 2013
On Fri, Mar 08, 2013 at 04:46:11PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 16:06 Fri 08 Mar , Sascha Hauer wrote:
> > On Fri, Mar 08, 2013 at 03:48:43PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > > > > + .boot_data.size = 192 * 1024,
> > > > > barebox_image_size
> > > >
> > > > ok. This btw will not work with CONFIG_RELOCATABLE as is since the
> > > > linker cannot generate this value then.
> > > why?
> > Absolute values will be zero when you link with -pie. They get fixed
> > during relocation.
> > The image size is a relative value, when doing a
> > .word __barebox_image_end - start
> > in assembly it works correctly, but doing the same in C does not work.
> > >
> > > otherwise we need to update it via ld as done in the kernel as example
> > Can you give me a pointer what the kernel does?
> we create the symbol at compilation
> via --defsym
It just turned out --defsym also does not work together with -pie. The
value in the image is still 0x0.
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