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fit: make sha256 support optional

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sha256 has some beefy memory footprint.
Make it optional for constrained systems.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
This commit is contained in:
Dirk Eibach 2014-07-03 09:28:26 +02:00 committed by Tom Rini
parent 4fb9b41b55
commit 9a4f479b64
6 changed files with 14 additions and 0 deletions
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5
README
View File

@ -3269,6 +3269,11 @@ FIT uImage format:
disabled. If a board need legacy image format support
enable this through CONFIG_IMAGE_FORMAT_LEGACY
CONFIG_FIT_DISABLE_SHA256
Supporting SHA256 hashes has quite an impact on binary size.
For constrained systems sha256 hash support can be disabled
with this option.
- Standalone program support:
CONFIG_STANDALONE_LOAD_ADDR

1
include/configs/dlvision-10g.h
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@ -40,6 +40,7 @@
/* new uImage format support */
#define CONFIG_FIT
#define CONFIG_FIT_VERBOSE /* enable fit_format_{error,warning}() */
#define CONFIG_FIT_DISABLE_SHA256
#define CONFIG_ENV_IS_IN_FLASH /* use FLASH for environment vars */

1
include/configs/io.h
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@ -40,6 +40,7 @@
/* new uImage format support */
#define CONFIG_FIT
#define CONFIG_FIT_VERBOSE /* enable fit_format_{error,warning}() */
#define CONFIG_FIT_DISABLE_SHA256
#define CONFIG_ENV_IS_IN_FLASH /* use FLASH for environment vars */

1
include/configs/iocon.h
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@ -39,6 +39,7 @@
/* new uImage format support */
#define CONFIG_FIT
#define CONFIG_FIT_VERBOSE /* enable fit_format_{error,warning}() */
#define CONFIG_FIT_DISABLE_SHA256
#define CONFIG_ENV_IS_IN_FLASH /* use FLASH for environment vars */

1
include/configs/neo.h
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@ -37,6 +37,7 @@
/* new uImage format support */
#define CONFIG_FIT
#define CONFIG_FIT_VERBOSE /* enable fit_format_{error,warning}() */
#define CONFIG_FIT_DISABLE_SHA256
#define CONFIG_ENV_IS_IN_FLASH /* use FLASH for environment vars */

5
include/image.h
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@ -72,6 +72,11 @@ struct lmb;
# define IMAGE_ENABLE_SHA256 1
# endif
#ifdef CONFIG_FIT_DISABLE_SHA256
#undef CONFIG_SHA256
#undef IMAGE_ENABLE_SHA256
#endif
#ifndef IMAGE_ENABLE_CRC32
#define IMAGE_ENABLE_CRC32 0
#endif