[PATCH v2 47/50] image: Remove some #ifdefs from image-fit and image-fit-sig

[Alex G. <mr.nuke.me@gmail.com>]

On 5/6/21 9:24 AM, Simon Glass wrote:
> Drop the #ifdefs which are easy to remove without refactoring.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
> 
> (no changes since v1)
> 
>   common/Kconfig.boot    | 10 ++++++++++
>   common/image-fit-sig.c |  8 ++------
>   common/image-fit.c     |  7 ++++---
>   3 files changed, 16 insertions(+), 9 deletions(-)
> 
> diff --git a/common/Kconfig.boot b/common/Kconfig.boot
> index 03a6e6f214f..a31d9847124 100644
> --- a/common/Kconfig.boot
> +++ b/common/Kconfig.boot
> @@ -191,6 +191,16 @@ config SPL_FIT_SIGNATURE
>   	select SPL_IMAGE_SIGN_INFO
>   	select SPL_FIT_FULL_CHECK
>   
> +config SPL_FIT_SIGNATURE_MAX_SIZE
> +	hex "Max size of signed FIT structures in SPL"
> +	depends on SPL_FIT_SIGNATURE
> +	default 0x10000000
> +	help
> +	  This option sets a max size in bytes for verified FIT uImages.
> +	  A sane value of 256MB protects corrupted DTB structures from overlapping
> +	  device memory. Assure this size does not extend past expected storage
> +	  space.
> +

I can't find an argument of why we'd want a separate 
FIT_SIGNATURE_MAX_SIZE for SPL. This also seems unrelated to the commit 
message of reducing ifdefs.


>   config SPL_LOAD_FIT
>   	bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
>   	select SPL_FIT
> diff --git a/common/image-fit-sig.c b/common/image-fit-sig.c
> index 12a6745c642..22f89861048 100644
> --- a/common/image-fit-sig.c
> +++ b/common/image-fit-sig.c
> @@ -49,10 +49,8 @@ struct image_region *fit_region_make_list(const void *fit,
>   	 * Use malloc() except in SPL (to save code size). In SPL the caller
>   	 * must allocate the array.
>   	 */
> -#ifndef CONFIG_SPL_BUILD
> -	if (!region)
> +	if (!IS_ENABLED(CONFIG_SPL_BUILD) && !region)
>   		region = calloc(sizeof(*region), count);
> -#endif
>   	if (!region)
>   		return NULL;
>   	for (i = 0; i < count; i++) {
> @@ -72,12 +70,10 @@ static int fit_image_setup_verify(struct image_sign_info *info,
>   	char *algo_name;
>   	const char *padding_name;
>   
> -#ifndef USE_HOSTCC
> -	if (fdt_totalsize(fit) > CONFIG_FIT_SIGNATURE_MAX_SIZE) {
> +	if (fdt_totalsize(fit) > CONFIG_VAL(FIT_SIGNATURE_MAX_SIZE)) {
>   		*err_msgp = "Total size too large";
>   		return 1;
>   	}
> -#endif
>   	if (fit_image_hash_get_algo(fit, noffset, &algo_name)) {
>   		*err_msgp = "Can't get hash algo property";
>   		return -1;
> diff --git a/common/image-fit.c b/common/image-fit.c
> index f8aa61fc99d..882e872144f 100644
> --- a/common/image-fit.c
> +++ b/common/image-fit.c
> @@ -1993,9 +1993,6 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
>   	int type_ok, os_ok;
>   	ulong load, load_end, data, len;
>   	uint8_t os, comp;
> -#ifndef USE_HOSTCC
> -	uint8_t os_arch;
> -#endif
>   	const char *prop_name;
>   	int ret;
>   
> @@ -2087,8 +2084,12 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
>   	}
>   
>   #ifndef USE_HOSTCC
> +	{
> +	uint8_t os_arch;
> +
>   	fit_image_get_arch(fit, noffset, &os_arch);
>   	images->os.arch = os_arch;
> +	}
>   #endif
>   
>   	bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
>