Messages in this thread |  | | | Date | Tue, 29 Jan 2008 13:50:28 -0800 | | From | "H. Peter Anvin" <> | | Subject | Re: PATCH/RFC: bzImage payload as compressed ELF file. |
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Ian Campbell wrote: > > I finessed the length issue slightly since it happens that the word > before the payload is the payload's length. I'm mulling a variety of > options: > * declare it compression scheme dependant. At least for gzip it > knows when it has reached the end. > * codify the length followed by data thing we happen to have now > * add a length field to the header, using another 4 bytes (is > there any pressure on the size of the header?). > > I'd probably go with the later unless we are pressed for space in the > header.
I would agree with that. In fact, while we're adding fields to the header, I would like to add a field that would be the CRC32 (or other simple integrity check) over the whole image.
-hpa
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