Minkyu Kang wrote:
> Although load address and image start address are same address,
> bootm command always does memmove.
> That is unnecessary memmove and can be taken few milliseconds
> (about 500 msec to 1000 msec).
> If skip this memmove, we can reduce the boot time.
>
> Signed-off-by: Minkyu Kang <mk7.k...@samsung.com>
> ---
> common/cmd_bootm.c | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
> index 07f6c6b..6fdeef4 100644
> --- a/common/cmd_bootm.c
> +++ b/common/cmd_bootm.c
> @@ -340,8 +340,10 @@ static int bootm_load_os(image_info_t os, ulong
> *load_end, int boot_progress)
> } else {
> printf (" Loading %s ... ", type_name);
>
> - memmove_wd ((void *)load,
> - (void *)image_start, image_len, CHUNKSZ);
> + if (load != image_start) {
> + memmove_wd ((void *)load,
> + (void *)image_start, image_len,
> CHUNKSZ);
> + }
> }
> *load_end = load + image_len;
> puts("OK\n");
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>
Sorry for the late reply, but would it be better to put the test of
source == destination into the memmove_wd() function?
Best regards,
Larry
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