On Mon, Jul 30, 2012 at 12:02:41PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> This is not needed by lzo but by gunzip, xz and others.
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> ---
> arch/arm/cpu/start.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
> index a54f5fd..f61c326 100644
> --- a/arch/arm/cpu/start.c
> +++ b/arch/arm/cpu/start.c
> @@ -28,6 +28,9 @@
> #include <asm-generic/memory_layout.h>
> #include <asm/sections.h>
>
> +unsigned long free_mem_ptr;
> +unsigned long free_mem_end_ptr;
> +
> #ifdef CONFIG_PBL_IMAGE
> void __naked __section(.text_head_entry) pbl_start(void)
> {
> @@ -193,6 +196,10 @@ void __naked __section(.text_ll_return) board_init_lowlevel_return(void)
> /* clear bss */
> memset(__bss_start, 0, __bss_stop - __bss_start);
>
> + /* set 128 KiB at the end of the MALLOC_BASE for early malloc */
> + free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
> + free_mem_end_ptr = free_mem_ptr + SZ_128K;
This is not needed here, so it should be better done in barebox_pbl()
when we actually need it. Also, global variables should not be used when
we do not run from the address we are linked at.
I fixed this before applying.
Sascha
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