payloads: add support lz4 compression
Add the option to use the lz4 compression method to compress payloads. Also sets LZ4 as the default compression method. Change-Id: Ic712f984f791d268440c8463eaea0d246aa31d99 Signed-off-by: Antonello Dettori <dev@dettori.io> Reviewed-on: https://review.coreboot.org/15817 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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@ -345,6 +345,9 @@ CBFS_PAYLOAD_COMPRESS_FLAG:=none
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ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
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CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
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endif
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ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
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CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
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endif
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CBFS_PRERAM_COMPRESS_FLAG:=none
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ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
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@ -49,15 +49,27 @@ config PAYLOAD_FILE
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help
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The path and filename of the ELF executable file to use as payload.
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# TODO: Defined if no payload? Breaks build?
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choice
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prompt "Payload compression algorithm"
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default COMPRESSED_PAYLOAD_LZ4
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depends on !PAYLOAD_NONE && !PAYLOAD_LINUX
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help
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Choose the compression algorithm for the chosen payloads.
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You can choose between LZMA and LZ4.
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config COMPRESSED_PAYLOAD_LZMA
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bool "Use LZMA compression for payloads"
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default y
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depends on !PAYLOAD_NONE && !PAYLOAD_LINUX
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help
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In order to reduce the size payloads take up in the ROM chip
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coreboot can compress them using the LZMA algorithm.
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config COMPRESSED_PAYLOAD_LZ4
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bool "Use LZ4 compression for payloads"
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help
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In order to reduce the size payloads take up in the ROM chip
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coreboot can compress them using the LZ4 algorithm.
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endchoice
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config PAYLOAD_OPTIONS
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string
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default ""
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