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arm: add support for LZ4-compressed kernel
Integrates the LZ4 decompression code to the arm pre-boot code. Signed-off-by: Kyungsik Lee <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Russell King <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Florian Fainelli <[email protected]> Cc: Yann Collet <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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9 changed files with 28 additions and 5 deletions
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@ -657,9 +657,10 @@ Protocol: 2.08+
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uncompressed data should be determined using the standard magic
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numbers. The currently supported compression formats are gzip
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(magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A), LZMA
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(magic number 5D 00), and XZ (magic number FD 37). The uncompressed
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payload is currently always ELF (magic number 7F 45 4C 46).
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(magic number 5D 00), XZ (magic number FD 37), and LZ4 (magic number
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02 21). The uncompressed payload is currently always ELF (magic
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number 7F 45 4C 46).
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Field name: payload_length
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Type: read
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Offset/size: 0x24c/4
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