Messages in this thread | | | Date | Mon, 10 Sep 2012 16:28:57 -0400 | From | Jon Masters <> | Subject | Re: [PATCH v3 02/31] arm64: Kernel booting and initialisation |
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On 09/10/2012 01:53 AM, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 19:29 Sun 09 Sep , Nicolas Pitre wrote: >> On Sun, 9 Sep 2012, Jean-Christophe PLAGNIOL-VILLARD wrote: >> >>> On 17:26 Fri 07 Sep , Catalin Marinas wrote: >>>> +4. Call the kernel image >>>> +------------------------ >>>> + >>>> +Requirement: MANDATORY >>>> + >>>> +The decompressed kernel image contains a 32-byte header as follows: >>>> + >>>> + u32 magic = 0x14000008; /* branch to stext, little-endian */ >>>> + u32 res0 = 0; /* reserved */ >>>> + u64 text_offset; /* Image load offset */ >>>> + u64 res1 = 0; /* reserved */ >>>> + u64 res2 = 0; /* reserved */ >>> we need to have a magic to known it's a arm64 kernel >> >> You have it: it's 0x14000008 at the beginning. > fragile
Others have commented on the relocatable kernel non-issue. But to this part, also bear in mind that Catalin pointed out boot standardization work may change how some AArch64 systems ultimately end up booting.
Thanks,
Jon.
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