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Commit ee287587dafd77fd211e50637561224605c214b4

Authored by H. Peter Anvin
1 parent 95c4bff030
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

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@linux.intel.com>

Showing 1 changed file with 4 additions and 1 deletions Side-by-side Diff

Documentation/x86/boot.txt
Diff comments   View file @ ee28758
... ... @@ -542,7 +542,10 @@
542 542  
543 543 The payload may be compressed. The format of both the compressed and
544 544 uncompressed data should be determined using the standard magic
545   - numbers. Currently only gzip compressed ELF is used.
  545 + numbers. The currently supported compression formats are gzip
  546 + (magic numbers 1F 8B or 1F 9E), bzip2 (magic number 42 5A) and LZMA
  547 + (magic number 5D 00). The uncompressed payload is currently always ELF
  548 + (magic number 7F 45 4C 46).
546 549  
547 550 Field name: payload_length
548 551 Type: read