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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