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authorKyungsik Lee <kyungsik.lee@lge.com>2013-07-08 23:01:48 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 17:33:30 (GMT)
commitf9b493ac9b833fd9dd3bbd50460adb33f29e1238 (patch)
treeda0a287ecbfe40796443a4209bb4e4261d6b84ea /Documentation/x86
parente76e1fdfa8f8dc1ea6699923cf5d92b5bee9c936 (diff)
arm: add support for LZ4-compressed kernel
Integrates the LZ4 decompression code to the arm pre-boot code. Signed-off-by: Kyungsik Lee <kyungsik.lee@lge.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Borislav Petkov <bp@alien8.de> Cc: Florian Fainelli <florian@openwrt.org> Cc: Yann Collet <yann.collet.73@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/x86')
-rw-r--r--Documentation/x86/boot.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 3840b6f..fc66d42 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -657,9 +657,10 @@ Protocol: 2.08+
uncompressed data should be determined using the standard magic
numbers. The currently supported compression formats are gzip
(magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A), LZMA
- (magic number 5D 00), and XZ (magic number FD 37). The uncompressed
- payload is currently always ELF (magic number 7F 45 4C 46).
-
+ (magic number 5D 00), XZ (magic number FD 37), and LZ4 (magic number
+ 02 21). The uncompressed payload is currently always ELF (magic
+ number 7F 45 4C 46).
+
Field name: payload_length
Type: read
Offset/size: 0x24c/4

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