[U-Boot] [PATCH 0/6] add zip command support for uboot

Lei Wen adrian.wenl at gmail.com
Thu Sep 6 06:49:13 CEST 2012


Hi Marek,

On Thu, Sep 6, 2012 at 12:18 PM, Marek Vasut <marek.vasut at gmail.com> wrote:
> Dear adrian.wenl at gmail.com,
>
>> From: Lei Wen <leiwen at marvell.com>
>
> Lei? Long time no see :)

Long time no see. :)

>
>> This patch set add zip command support for uboot.
>> The first two patches import deflate and trees functions from zlib 1.2.5
>> without any change. While the third patch did the necessary change to
>> make the import file could be built passed in uboot environment.
>>
>> The fourth patch make us could zip the memory from 0 in the address space.
>>
>> The latter fifth and sixth patch does the adding gzip lib function
>> exporting and zip command support.
>>
>> Patch set test with zip&unzip and compared with original memory content.
>>
>>
>> Lei Wen (6):
>>   lib: zlib: import deflate source file from 1.2.5
>>   lib: zlib: import trees file from 1.2.5
>>   lib: zlib: include deflate into zlib build
>>   lib: zlib: remove the limitation for cannot using 0 as start
>>   lib: add gzip lib function callback
>>   common: add zip command support
>>
>>  common/Makefile       |    1 +
>>  common/cmd_zip.c      |   60 ++
>>  include/common.h      |    7 +
>>  include/u-boot/zlib.h |   40 +-
>>  lib/Makefile          |    1 +
>>  lib/gzip.c            |  143 ++++
>>  lib/zlib/deflate.c    | 1831
>> +++++++++++++++++++++++++++++++++++++++++++++++++ lib/zlib/deflate.h    |
>> 342 +++++++++
>>  lib/zlib/trees.c      | 1244 +++++++++++++++++++++++++++++++++
>>  lib/zlib/trees.h      |  128 ++++
>>  lib/zlib/zlib.c       |    8 +
>>  lib/zlib/zutil.h      |    4 +
>>  12 files changed, 3804 insertions(+), 5 deletions(-)
>>  create mode 100644 common/cmd_zip.c
>>  create mode 100644 lib/gzip.c
>>  create mode 100644 lib/zlib/deflate.c
>>  create mode 100644 lib/zlib/deflate.h
>>  create mode 100644 lib/zlib/trees.c
>>  create mode 100644 lib/zlib/trees.h
>
> Are there any users for this code? What is it for ?

This patch was intended to compress the memory when uploading
through USB. So that uploaded image could be smaller.
Maybe there are some other usage, like memory testing?

>
> Best regards,
> Marek Vasut

Thanks,
Lei


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