Commit-ID: ee287587dafd77fd211e50637561224605c214b4 Gitweb: http://git.kernel.org/tip/ee287587dafd77fd211e50637561224605c214b4 Author: "H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx> AuthorDate: Wed, 14 Jan 2009 16:07:38 -0800 Commit: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> CommitDate: Wed, 14 Jan 2009 16:07:38 -0800 bzip2/lzma: update boot protocol specification Impact: documentation Update the boot protocol specification to include the currently supported file formats and their magic numbers. Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> --- Documentation/x86/boot.txt | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index fcdc62b..9ac70ff 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -542,7 +542,10 @@ Protocol: 2.08+ The payload may be compressed. The format of both the compressed and uncompressed data should be determined using the standard magic - numbers. Currently only gzip compressed ELF is used. + numbers. The currently supported compression formats are gzip + (magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A) and LZMA + (magic number 5D 00). The uncompressed payload is currently always ELF + (magic number 7F 45 4C 46). Field name: payload_length Type: read -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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