[PATCH] Load PBL into SRAM
Sascha Hauer
s.hauer at pengutronix.de
Tue Feb 4 01:57:46 EST 2014
On Tue, Feb 04, 2014 at 04:56:25AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 10:06 Fri 31 Jan , David Vincent wrote:
> > This allows to load all the lowlevel init code, including the
> > uncompressor, inside SRAM and not just the bare init part. This is
> > useful when pbl is used as a first-stage bootloader but is loaded by an
> > external firmware.
> >
> > Signed-off-by: David Vincent <freesilicon at gmail.com>
> > ---
> > arch/arm/lib/pbl.lds.S | 4 ++--
> > common/Kconfig | 16 ++++++++++++++--
> > include/asm-generic/barebox.lds.h | 14 +++++++++++++-
> > pbl/Kconfig | 7 +++++++
> > 4 files changed, 36 insertions(+), 5 deletions(-)
> >
> > diff --git a/arch/arm/lib/pbl.lds.S b/arch/arm/lib/pbl.lds.S
> > index 0954c89..34c0cb3 100644
> > --- a/arch/arm/lib/pbl.lds.S
> > +++ b/arch/arm/lib/pbl.lds.S
> > @@ -50,11 +50,11 @@ SECTIONS
> > *(.text*)
> > }
> >
> > + BAREBOX_PBL_SIZE
> > +
> > /* Discard unwind if enable in barebox */
> > /DISCARD/ : { *(.ARM.ex*) }
> >
> > - BAREBOX_BARE_INIT_SIZE
> > -
>
> nack you change the binary format you can add an information but can not
> change the format
I don't think the format is changed here. It shouldn't matter where the
/DISCARD/ is, right? Nevertheless the patch looks more obvious if just
the line is changed, not its position.
> > #include <linux/stringify.h>
> > /* use 2 ASSERT because ld can not accept '"size" "10"' format */
> > #define BAREBOX_BARE_INIT_SIZE \
> > _barebox_bare_init_size = __bare_init_end - _text; \
> > ASSERT(_barebox_bare_init_size < MAX_BARE_INIT_SIZE, "Barebox bare_init size > ") \
> > - ASSERT(_barebox_bare_init_size < MAX_BARE_INIT_SIZE, __stringify(MAX_BARE_INIT_SIZE)) \
> > + ASSERT(_barebox_bare_init_size < MAX_BARE_INIT_SIZE, __stringify(MAX_BARE_INIT_SIZE))
> different patch
This just removes the trailing '\' which is necessary here.
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