[U-Boot] Entry point for uncompressed kernel image

Gigin Jose gigin_jose at yahoo.co.in
Fri Jan 7 07:15:28 CET 2011


Hi , 
I am getting an exception once I try to boot the image with bootm command.  
Boardcon> bootm 30008000
## Booting image at 30008000 ...
   Image Name:
   
   Created:      2011-01-07   6:04:55 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3035360 Bytes =  2.9 MB
   Load Address: 30008000
   Entry Point:  30008000
   Verifying Checksum ... OK
   XIP Kernel Image ... OK

 initrd_start:0 ,initrd_end : 0 ## Transferring control to Linux (at address 30008000) ...

Starting kernel ...30008000


 bd->bi_arch_number:168 , bd->bi_boot_params:805306624data abort
pc : [<30008010>]    lr : [<33d9f098>]
sp : 33d3da98  ip : ffffffff  fp : 00000000
r10:
 00000001  r9 : 00000000  r8 : 33d3ffdc
r7 : 00000000  r6 : 33de2f84  r5 : 33d409e2  r4 : 00000000
r3 : 30008000  r2 : 30000100  r1 : 000000a8  r0 : ea000016
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU ...


The above is an uncompressed kernel image with load and entry point as 30008000. Can you suggest with how I can debug the issue. 
thanks & regardsGIGIN
--- On Fri, 7/1/11, Pankaj Pandey <pankaj.embedded at gmail.com> wrote:

From: Pankaj Pandey <pankaj.embedded at gmail.com>
Subject: Re: [U-Boot] Entry point for uncompressed kernel image
To: "Gigin Jose"
 <gigin_jose at yahoo.co.in>
Date: Friday, 7 January, 2011, 10:52 AM

hi ....u can define same 0x30008000 as entry and load address.

Regards,
Pankaj Pandey

On Fri, Jan 7, 2011 at 2:07 PM, Gigin Jose <gigin_jose at yahoo.co.in> wrote:

Hi , 

I am trying to put uncompressed kernel image to SDRAM for my s3c2440 development board. The uncompressed kernel image is made from 'Image' inside arch/arm/boot folder using the mkimage tool.

 What should be the entry point and load address for the uncompressed kernel image ? 

The physical address of my RAM is 0x30000000 and the zImage is loaded to the address 0x30008000. 

thanks & regardsGIGIN




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