[PATCH 04/10] spl: fit: support for booting a GZIP-compressed U-boot raw binary

[Xavier Drudis Ferran]

El Fri, Jun 30, 2023 at 05:41:40PM +0530, Manoj Sai deia:
> If GZIP Compression support is enabled, GZIP compressed U-Boot raw binary will
> be at a specified RAM location which is defined at
> UBOOT_COMPRESSED_BINARY_FIT_USER_DEF_ADDR  and will be assign it as
> the source address.
> 
> gunzip function in spl_load_fit_image ,will decompress the GZIP compressed
> U-Boot raw binary which is placed at source address to the default
> CONFIG_SYS_TEXT_BASE location.
> 
> spl_load_fit_image function will load the decompressed U-Boot
> raw binary, which is placed at the CONFIG_SYS_TEXT_BASE location.
> 
> Signed-off-by: Manoj Sai <abbaraju.manojsai at amarulasolutions.com>
> Signed-off-by: Suniel Mahesh <sunil at amarulasolutions.com>
> ---
>  common/spl/spl_fit.c | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
> index 730639f756..e2101099ef 100644
> --- a/common/spl/spl_fit.c
> +++ b/common/spl/spl_fit.c
> @@ -281,7 +281,12 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
>  			return 0;
>  		}
>  
> -		src_ptr = map_sysmem(ALIGN(load_addr, ARCH_DMA_MINALIGN), len);
> +		if ((IS_ENABLED(CONFIG_SPL_GZIP) && image_comp == IH_COMP_GZIP)) {
> +			src_ptr = map_sysmem(ALIGN(CONFIG_VAL(UBOOT_COMPRESSED_BINARY_FIT_USER_DEF_ADDR),
> +						ARCH_DMA_MINALIGN), len);
> +		} else {
> +			src_ptr = map_sysmem(ALIGN(load_addr, ARCH_DMA_MINALIGN), len);
> +		}
>  		length = len;
>  
>  		overhead = get_aligned_image_overhead(info, offset);
> @@ -319,11 +324,14 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
>  		board_fit_image_post_process(fit, node, &src, &length);
>  
>  	load_ptr = map_sysmem(load_addr, length);
> -	if (IS_ENABLED(CONFIG_SPL_GZIP) && image_comp == IH_COMP_GZIP) {
> -		size = length;
> -		if (gunzip(load_ptr, CONFIG_SYS_BOOTM_LEN, src, &size)) {
> -			puts("Uncompressing error\n");
> -			return -EIO;
> +
> +	if ((IS_ENABLED(CONFIG_SPL_GZIP) && image_comp == IH_COMP_GZIP)) {
> +		if ((IS_ENABLED(CONFIG_SPL_GZIP) && image_comp == IH_COMP_GZIP)) {

You just repeated the same condition in a new if here ?

> +			size = length;
> +			if (gunzip(load_ptr, CONFIG_SYS_BOOTM_LEN, src, &size)) {
> +				puts("Uncompressing error\n");
> +				return -EIO;
> +			}
>  		}
>  		length = size;
>  	} else {
> -- 
> 2.25.1
>