[PATCH 7/9] barebox-data: add barebox-data sections

[Sascha Hauer]

On Sun, Jan 13, 2013 at 06:42:21PM +0100, Alexander Aring wrote:
> Add barebox-data section in arm branch to get complete
> barebox regions in sdram regions tree.
> 
> Signed-off-by: Alexander Aring <alex.aring at gmail.com>
> ---
>  arch/arm/lib/barebox.lds.S                       | 6 +++++-
>  arch/blackfin/boards/ipe337/barebox.lds.S        | 6 +++++-
>  arch/mips/lib/barebox.lds.S                      | 5 ++++-
>  arch/nios2/cpu/barebox.lds.S                     | 5 +++--
>  arch/ppc/boards/freescale-p2020rdb/barebox.lds.S | 6 ++++--
>  arch/ppc/boards/pcm030/barebox.lds.S             | 5 +++--
>  arch/x86/lib/barebox.lds.S                       | 5 ++++-
>  common/memory.c                                  | 4 ++++
>  include/asm-generic/sections.h                   | 1 +
>  9 files changed, 33 insertions(+), 10 deletions(-)
> 
> diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
> index bac1a04..6cad804 100644
> --- a/arch/arm/lib/barebox.lds.S
> +++ b/arch/arm/lib/barebox.lds.S
> @@ -65,7 +65,9 @@ SECTIONS
>  		__stop_unwind_tab = .;
>  	}
>  #endif
> -	_etext = .;			/* End of text and rodata section */
> +	_etext = . - 1;			/* End of text and rodata section */

Is this correct? In 2/9 you explained that etext points to the next free
memory location rather than to the last byte in the text segment. 2/9
fixes the request_sdram_region call accordingly. Now it is changed to be
the last byte of the text segment?

> +
> +	_sdata = .;
>  
>  	. = ALIGN(4);
>  	.data : { *(.data*) }
> @@ -87,6 +89,8 @@ SECTIONS
>  	__usymtab : { BAREBOX_SYMS }
>  	__usymtab_end = .;
>  
> +	_edata = . - 1;

Should probably also be _edata = .;

Sascha


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