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

[Heinrich Schuchardt]

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

Regards

Heinrich

> 
> York
>