[U-Boot] [PATCH] armv7m: Fix larger builds

[Phil Edworthy]

Hi Vikas,

On 25 May 2017 10:16 Phil Edworthy wrote:
> > On 24 May 2017 18:32 Vikas MANOCHA wrote:
> > Hi Phil,
> >
> > > On Wednesday, May 24, 2017 7:34 AM Phil Edworthy wrote:
> > > The branch instruction only has an 11-bit relative target address, which is
> > sometimes not enough.
> > >
> > > Signed-off-by: Phil Edworthy <phil.edworthy at renesas.com>
> > > ---
> > >  arch/arm/cpu/armv7m/start.S | 3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm/cpu/armv7m/start.S
> b/arch/arm/cpu/armv7m/start.S
> > > index 49f2720..d79adb5 100644
> > > --- a/arch/arm/cpu/armv7m/start.S
> > > +++ b/arch/arm/cpu/armv7m/start.S
> > > @@ -8,7 +8,8 @@
> > >  .globl	reset
> > >  .type reset, %function
> > >  reset:
> > > -	b	_main
> > > +	ldr	r0, =_main
> > > +	mov	pc, r0
> >
> > How about using W(b) for wider range ?
> Yes, that makes better sense!
Hmm, if I use W(b) it complains with:
arch/arm/cpu/armv7m/start.S:14:(.text+0x0): relocation truncated to fit: R_ARM_THM_JUMP11 against symbol `_main' defined in .text section in arch/arm/lib/built-in.o

Any ideas why?
Phil

> Thanks
> Phil
> 
> > Cheers,
> > Vikas
> >
> > >
> > >  .globl	c_runtime_cpu_setup
> > >  c_runtime_cpu_setup:
> > > --
> > > 2.7.4