[PATCH] spl: return kernel image header size in os boot

[Sean Anderson]

On 2/21/25 10:17, Anshul Dalal wrote:
> During kernel build process the header size is computed including the
> BSS whereas it's removed when creating the uncompressed image. Therefore
> the size of the uncompressed image on filesystem will be smaller than
> the size specifiedin the header.
> 
> Therefore it makes sense to return the header size back instead of the
> file size in falcon boot.
> 
> More info:
> https://lore.kernel.org/u-boot/20250214111656.2358748-1-anshuld@ti.com/
> 
> Signed-off-by: Anshul Dalal <anshuld at ti.com>
> ---
>   common/spl/spl_ext.c | 4 ++++
>   common/spl/spl_fat.c | 3 +++
>   2 files changed, 7 insertions(+)
> 
> diff --git a/common/spl/spl_ext.c b/common/spl/spl_ext.c
> index c5478820a9b..6d8d6544092 100644
> --- a/common/spl/spl_ext.c
> +++ b/common/spl/spl_ext.c
> @@ -17,6 +17,10 @@ static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
>   	ret = ext4fs_read(buf, file_offset, size, &actlen);
>   	if (ret)
>   		return ret;
> +
> +	if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && IS_ENABLED(CONFIG_CMD_BOOTI))
> +		return size;
> +
>   	return actlen;
>   }
>   
> diff --git a/common/spl/spl_fat.c b/common/spl/spl_fat.c
> index fce451b7664..ddf85e2cece 100644
> --- a/common/spl/spl_fat.c
> +++ b/common/spl/spl_fat.c
> @@ -55,6 +55,9 @@ static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
>   	if (ret)
>   		return ret;
>   
> +	if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && IS_ENABLED(CONFIG_CMD_BOOTI))
> +		return size;
> +
>   	return actread;
>   }
>   

Reviewed-by: Sean Anderson <seanga2 at gmail.com>