[U-Boot] trying to bring linux-2.6.32.3 from RAM?

ogara radivojejovanovic at gmail.com
Wed Apr 28 20:50:35 CEST 2010


Hi All,
I am trying to bring linux from RAM. I have compiled the kernel and created
uImage. I bring the image over tftp into the memory and then execute bootm
memaddress. Unfortunately here is the output from my command line:

 tftp 0x8000 ipaddress:uImage
Using egiga0 device
TFTP from server ipaddress; our IP address is ipaddress; sending through
gateway ipaddress
Filename 'uImage'.
Load address: 0x8000
Loading: #################################################################
         #################################################################
         #################################################################
         ###################
done
Bytes transferred = 3132020 (2fca74 hex)
bootm 0x8000
## Booting kernel from Legacy Image at 00008000 ...
   Image Name:   Linux-2.6.32.3
   Created:      2010-04-28  18:44:34 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3131956 Bytes =  3 MB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
   XIP Kernel Image ... OK
OK

Starting kernel ...

undefined instruction
pc : [<00008008>]          lr : [<00647d1c>]
sp : 005ffce8  ip : 000008e0     fp : 000006fc
r10: 00724db0  r9 : 005fff90     r8 : 005fffcc
r7 : 00000002  r6 : 0072372d     r5 : 00000154  r4 : 00000000
r3 : 00008000  r2 : 00000100     r1 : 000006fc  r0 : 0001c200
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU ...

Now, the image is good for sure because I do not have issues bringing this
image from the hard drive. Do I need anything else (ftd or ramdisc) to boot
from RAM or the procedure presented is correct?
my bootargs are:
bootargs=console ttyS0,115200 root /dev/ram rw 

Thank you for your help,
Ogi




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