On Wed, Oct 7, 2009 at 2:38 PM, Nishanth Menon <n...@ti.com> wrote:
> Remove the predefined static initialization
> and generate the map dynamically to reduce
> code size.
>
> This patch benefits were pointed out by Peter:
> http://www.nabble.com/forum/Permalink.jtp?root=25518020&post=25523748&page=y
>
> Additional comments from Graeme Russ on x86
> support to be removed:
> http://www.nabble.com/Re%3A--U-Boot---PATCH-v2--DLMALLOC%3A%21X86%3A-add-av_-initialization-p25779706.html
>
> Tested on SDP3430 ONLY. Following code seem to
> explicitly call this:
> lib_avr32/board.c
> lib_blackfin/board.c
> lib_m68k/board.c
> lib_mips/board.c
> lib_nios2/board.c
> lib_nios/board.c
> lib_ppc/board.c
> lib_sh/board.c
> lib_sparc/board.c
> These unfortunately could not be tested
>
> Signed-off-by: Nishanth Menon <n...@ti.com>
> Cc: Peter Tyser <pty...@xes-inc.com>
> Cc: Graeme Russ <graeme.r...@gmail.com>
> Cc: Sandeep Paulraj <s-paul...@ti.com>
> Cc: Tom Rix <tom....@windriver.com>
> ---
> common/dlmalloc.c | 27 ++++++---------------------
> 1 files changed, 6 insertions(+), 21 deletions(-)
>
> diff --git a/common/dlmalloc.c b/common/dlmalloc.c
> index 241db8c..9039b3e 100644
> --- a/common/dlmalloc.c
> +++ b/common/dlmalloc.c
[snip]
> @@ -1520,20 +1502,23 @@ void *sbrk(ptrdiff_t increment)
> return (void *)old;
> }
>
> -#ifndef CONFIG_X86
This is unrelated to the commit message - Probably best to leave this as-is.
I will submit a patch to remove x86 specifics soon
> /*
> * x86 boards use a slightly different init sequence thus they implement
> * their own version of mem_malloc_init()
> */
> void mem_malloc_init(ulong start, ulong size)
> {
> + u8 i;
> + av_[0] = av_[1] = 0;
> + for (i = 0; i < 128; i++)
> + av_[2 + i * 2] = av_[2 + i * 2 + 1] = bin_at(i);
> +
> mem_malloc_start = start;
> mem_malloc_end = start + size;
> mem_malloc_brk = start;
>
> memset((void *)mem_malloc_start, 0, size);
> }
> -#endif
Ditto
>
> /* field-extraction macros */
>
> --
> 1.6.0.4
>
>
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