[PATCH 25/28] ARM pbl: always copy piggydata
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Thu Oct 18 03:23:31 EDT 2012
On 23:03 Wed 17 Oct , Sascha Hauer wrote:
> For now this is meant to make the code simpler. Copying the binary
> is not very expensive and later either the MMU can be enabled before
> relocating the binary, or relocatable code makes copying unnecessary
> anyway.
no I add this for nand boot on at91 I does not have it I must not copy it
later code will
sorry I can not publish the code yet I need to finish other update first
Best Regards,
J.
>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> arch/arm/cpu/start-pbl.c | 20 +++-----------------
> arch/arm/pbl/zbarebox.lds.S | 12 ++++++------
> 2 files changed, 9 insertions(+), 23 deletions(-)
>
> diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c
> index 98c1ae3..0757e6c 100644
> --- a/arch/arm/cpu/start-pbl.c
> +++ b/arch/arm/cpu/start-pbl.c
> @@ -114,26 +114,9 @@ static noinline void __barebox_arm_entry(uint32_t membase, uint32_t memsize,
> uint32_t boarddata)
> {
> void (*barebox)(uint32_t, uint32_t, uint32_t);
> - uint32_t offset;
> uint32_t pg_start, pg_end, pg_len;
> int use_mmu = IS_ENABLED(CONFIG_MMU);
>
> - /* Get offset between linked address and runtime address */
> - offset = get_runtime_offset();
> -
> - pg_start = (uint32_t)&input_data - offset;
> - pg_end = (uint32_t)&input_data_end - offset;
> - pg_len = pg_end - pg_start;
> -
> - if (offset && (IS_ENABLED(CONFIG_PBL_FORCE_PIGGYDATA_COPY) ||
> - region_overlap(pg_start, pg_len, TEXT_BASE, pg_len * 4))) {
> - /*
> - * copy piggydata binary to its link address
> - */
> - memcpy(&input_data, (void *)pg_start, pg_len);
> - pg_start = (uint32_t)&input_data;
> - }
> -
> setup_c();
>
> /* set 128 KiB at the end of the MALLOC_BASE for early malloc */
> @@ -145,6 +128,9 @@ static noinline void __barebox_arm_entry(uint32_t membase, uint32_t memsize,
> if (use_mmu)
> mmu_enable(membase, memsize);
>
> + pg_start = (uint32_t)&input_data;
> + pg_end = (uint32_t)&input_data_end;
> + pg_len = pg_end - pg_start;
> decompress((void *)pg_start,
> pg_len,
> NULL, NULL,
> diff --git a/arch/arm/pbl/zbarebox.lds.S b/arch/arm/pbl/zbarebox.lds.S
> index 37af4e9..ff2d2ab 100644
> --- a/arch/arm/pbl/zbarebox.lds.S
> +++ b/arch/arm/pbl/zbarebox.lds.S
> @@ -59,18 +59,18 @@ SECTIONS
> .data : { *(.data*) }
>
> . = ALIGN(4);
> - __bss_start = .;
> - .bss : { *(.bss*) }
> - __bss_stop = .;
> - _end = .;
> -
> - . = ALIGN(4);
> __piggydata_start = .;
> .piggydata : {
> *(.piggydata)
> }
> __piggydata_end = .;
>
> + . = ALIGN(4);
> + __bss_start = .;
> + .bss : { *(.bss*) }
> + __bss_stop = .;
> + _end = .;
> +
> _barebox_image_size = __piggydata_end - HEAD_TEXT_BASE;
> _barebox_pbl_size = __bss_start - HEAD_TEXT_BASE;
> }
> --
> 1.7.10.4
>
>
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