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author | Simon Glass <sjg@chromium.org> | 2018-09-14 04:57:26 -0600 |
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committer | Simon Glass <sjg@chromium.org> | 2018-09-29 11:49:32 -0600 |
commit | 83d73c2f7c471c1a7e5a9a2bf0de287491408b2d (patch) | |
tree | 0f97947d81d656fc25afe2714e2938a6451459cf /tools/binman/README | |
parent | 04187a845c86215da0e3ad680cdcf2fc7515b99a (diff) |
binman: Support compressed entries
Add support for compressing blob entries. This can help reduce image sizes
for many types of data. It requires that the firmware be able to
decompress the data at run-time.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'tools/binman/README')
-rw-r--r-- | tools/binman/README | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/binman/README b/tools/binman/README index 10dfe5766d..d6871946ab 100644 --- a/tools/binman/README +++ b/tools/binman/README @@ -593,6 +593,22 @@ the device tree. These can be used by U-Boot at run-time to find the location of each entry. +Compression +----------- + +Binman support compression for 'blob' entries (those of type 'blob' and +derivatives). To enable this for an entry, add a 'compression' property: + + blob { + filename = "datafile"; + compression = "lz4"; + }; + +The entry will then contain the compressed data, using the 'lz4' compression +algorithm. Currently this is the only one that is supported. + + + Map files --------- |