[U-Boot] [U-Boot, v2, 3/5] spl: fit: Eanble GZIP support for image decompression

York Sun york.sun at nxp.com
Thu Sep 14 15:20:18 UTC 2017


On 09/13/2017 09:27 PM, Heinrich Schuchardt wrote:
> On 09/13/2017 11:07 PM, York Sun wrote:
>> On 09/13/2017 01:38 PM, Heinrich Schuchardt wrote:
>>> On 08/08/2017 01:16 AM, York Sun wrote:
>>>> Add Kconfig option SPL_GZIP and SPL_ZLIB to enable gunzip support for
>>>> SPL boot, eg. falcon boot compressed kernel image.
>>>>
>>>> Signed-off-by: York Sun <york.sun at nxp.com>
>>>> Reviewed-by: Tom Rini <trini at konsulko.com>
>>>> ---
>>>>
>>>> Changes in v2:
>>>> Combine Kconfig change and actual code into one patch
>>>>
>>>>    common/spl/spl_fit.c | 28 ++++++++++++++++++++++++++--
>>>>    lib/Kconfig          |  8 ++++++++
>>>>    lib/Makefile         |  5 +++--
>>>>    3 files changed, 37 insertions(+), 4 deletions(-)
>>
>> <snip>
>>
>>>> -	memcpy((void*)load_addr, src, length);
>>>> +#if defined(CONFIG_SPL_OS_BOOT) && defined(CONFIG_SPL_GZIP)
>>>> +	if (image_comp == IH_COMP_GZIP && type == IH_TYPE_KERNEL) {
>>>> +		if (gunzip((void *)load_addr, CONFIG_SYS_BOOTM_LEN,
>>>> +			   src, &length)) {
>>>
>>> In this file length is defined as size_t.
>>>
>>> In include/common.h the last parameter of gunzip is defined as unsigned
>>> long *.
>>>
>>> This leads to a compilation warning and probably incorrect results:
>>>     CC      spl/common/spl/spl_fit.o
>>> common/spl/spl_fit.c: In function ‘spl_load_fit_image’:
>>> common/spl/spl_fit.c:201:12: warning: passing argument 4 of ‘gunzip’
>>> from incompatible pointer type [-Wincompatible-pointer-types]
>>>          src, &length)) {
>>>
>>> Please, correct the patch to pass a compatible parameter.
>>> The patch already made it into the U-Boot git master.
>>> So possibly you want to send a follow up patch.
>>>
>>
>> Thanks for the heads up. I used travis-ci to build all targets but
>> didn't see this warning. What target did you build?
> 
> make mrproper
> make qemu-x86_64_defconfig
> make
> 

Heinrich,

Thanks. I check travis-ci log. Surprisingly, it has this warning but 
reports as "passed". Now I start to question what else I missed.

York



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