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

Marek Vasut marek.vasut at gmail.com
Thu Sep 6 08:23:06 CEST 2012


Dear Lei Wen,

> 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. :)

Yep, you're doing well?

> >> 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?

CCing Lukasz, maybe he can find some use for this in the DFU series?

> > Best regards,
> > Marek Vasut
> 
> Thanks,
> Lei

Best regards,
Marek Vasut


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