Re: [PATCH v3 02/31] arm64: Kernel booting and initialisation
From: Nicolas Pitre <nico@fluxnic.net>
Date: 2012-09-09 23:29:28
Also in:
linux-arm-kernel, lkml
From: Nicolas Pitre <nico@fluxnic.net>
Date: 2012-09-09 23:29:28
Also in:
linux-arm-kernel, lkml
On Sun, 9 Sep 2012, Jean-Christophe PLAGNIOL-VILLARD wrote:
On 17:26 Fri 07 Sep , Catalin Marinas wrote:quoted
+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.
quoted
+ +The image must be placed at the specified offset (currently 0x80000) +from the start of the system RAM and called there. The start of the +system RAM must be aligned to 2MB.can we drop this
Drop what? And why? Nicolas