[oe] Kernel load address issue
Gary Thomas
gary at mlbassoc.com
Tue Jul 26 22:20:45 UTC 2011
On 2011-07-26 16:14, Bernard Mentink wrote:
> Many thanks for the reply,
>
> By the way where is the machine.conf file, I can't seem to find it
> anywhere ..
It's ${MACHINE}.conf - fill in the name of your machine
> ------------------------------------------------------------------------
> ------------------
> I want to die peacefully in my sleep, like my grandfather, not screaming
> and yelling like the passengers in his car.
>
> -----Original Message-----
> From: openembedded-devel-bounces at lists.openembedded.org
> [mailto:openembedded-devel-bounces at lists.openembedded.org] On Behalf Of
> Martin Jansa
> Sent: Wednesday, 27 July 2011 10:03 a.m.
> To: openembedded-devel at lists.openembedded.org
> Subject: Re: [oe] Kernel load address issue
>
> On Wed, Jul 27, 2011 at 09:51:28AM +1200, Bernard Mentink wrote:
>>
>> Hi Guys,
>>
>> I am new to OE, but have managed to get u-boot working on my target,
>> got TFTP working so I can transfer a kernel to RAM.
>> I have modified my conf/local.conf file so that when a kernel is built
>
>> a uImage binary is created that u-boot can use. (added line
>> KERNEL_IMAGETYPE = "uImage")
>>
>> However When I try to boot the image in the bootloader, I get this:
>>
>> uboot> bootm 0x80300000
>> ## Booting kernel from Legacy Image at 80300000 ...
>> Image Name: Angstrom/2.6.36/mx31ads
>> Created: 2011-07-26 19:55:31 UTC
>> Image Type: ARM Linux Kernel Image (uncompressed)
>> Data Size: 1765856 Bytes = 1.7 MiB
>> Load Address: 20008000
>> Entry Point: 20008000
>
> machine.conf can define
> UBOOT_ENTRYPOINT = "0x80008000"
> UBOOT_LOADADDRESS = "0x80008000"
>
> both used in kernel.bbclass
> /OE/dev/classes/kernel.bbclass:UBOOT_ENTRYPOINT ?= "20008000"
> /OE/dev/classes/kernel.bbclass:UBOOT_LOADADDRESS ?=
> "${UBOOT_ENTRYPOINT}"
> /OE/dev/classes/kernel.bbclass: uboot-mkimage -A
> ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e
> $ENTRYPOINT -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin
> arch/${ARCH}/boot/uImage
>
> Cheers,
>
>> Verifying Checksum ... OK
>> Loading Kernel Image ...<-- gets stuck here! ...
>>
>> The Load Address is wrong, my ram starts at 0x80000000 ... can someone
>
>> tell me how to change this? I presume mkimage is responsible for this
>> as the kernel is configured as relocatable ..
>>
>> Many Thanks,
>> Bernie
>>
>>
>>
>>
>>
>> _______________________________________________
>> Openembedded-devel mailing list
>> Openembedded-devel at lists.openembedded.org
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>
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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