[U-Boot] Festival Shutdown : U-Boot Digest, Vol 66, Issue 4
Hi, Due to Diwali Festival, SLS will be closed from Oct. 31th to Nov. 6th. We will return on Nov. 7th to the office. For urgent matter please call on 001-408-852-0067. For more information about Diwali: http://en.wikipedia.org/wiki/Diwali Regards, Hemal Patel ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] Festival Shutdown : U-Boot Digest, Vol 66, Issue 3
Hi, Due to Diwali Festival, SLS will be closed from Oct. 31th to Nov. 6th. We will return on Nov. 7th to the office. For urgent matter please call on 001-408-852-0067. For more information about Diwali: http://en.wikipedia.org/wiki/Diwali Regards, Hemal Patel ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] Festival Shutdown : U-Boot Digest, Vol 66, Issue 2
Hi, Due to Diwali Festival, SLS will be closed from Oct. 31th to Nov. 6th. We will return on Nov. 7th to the office. For urgent matter please call on 001-408-852-0067. For more information about Diwali: http://en.wikipedia.org/wiki/Diwali Regards, Hemal Patel ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] Festival Shutdown : U-Boot Digest, Vol 66, Issue 1
Hi, Due to Diwali Festival, SLS will be closed from Oct. 31th to Nov. 6th. We will return on Nov. 7th to the office. For urgent matter please call on 001-408-852-0067. For more information about Diwali: http://en.wikipedia.org/wiki/Diwali Regards, Hemal Patel ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] Festival Shutdown : U-Boot Digest, Vol 65, Issue 50
Hi, Due to Diwali Festival, SLS will be closed from Oct. 31th to Nov. 6th. We will return on Nov. 7th to the office. For urgent matter please call on 001-408-852-0067. For more information about Diwali: http://en.wikipedia.org/wiki/Diwali Regards, Hemal Patel ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] Booting different kernel from U-Boot based on time stamp
1.What do you mean by board specific ?
2.Which file should I modify?
3.From which file this bootm command is called?And where do I find this
file in stack?
Regards,
Hemal Patel
On Monday 21 January 2013 06:19 PM, Wolfgang Denk wrote:
Dear Hemal Patel,
In messageassp.0730d63214.50f9164e.7070...@slscorp.com you wrote:
For example:-
|If kernel-1 is new, U-Boot will boot Kernel-1. and leave kernel-2 as it is.
If kernel-2 is new, U-Boot will boot kernel-2. and leave kernel-2 as it is.
|
Questions:-
|Is it possible to do so?
This is software,so everything is possible, if you assign sufficient
resources to the task ;-)
How can I add such functionality in U-boot?
Yes, this is not difficult.
Where to chage the code for the same?
The clean way would be to add a (board specific) command to either
make accessable (so you can use the itest command on them) or to
compare (so that you can use plain if) the time stamps of two
images.
Assume your command is_newer_img takes the addresses of two legacy
image files and returns true (i. e. with a zero return code) if this
is the case, then you could just write:
if is_newer_img ${kernel_1_addr} ${kernel_2_addr}
then bootm ${kernel_1_addr}
else bootm ${kernel_2_addr}
fi
Alternatively, for a quick dirty test or show case, you could of
course peek directly at the ih_time entry of the image_header
structure. This would not even need any new code, existing features
would be sufficient.
Best regards,
Wolfgang Denk
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Re: [U-Boot] Booting different kernel from U-Boot based on time stamp
I have made changes in cmd_bootm.c file.
Is it fine?
Does it affect the performance or reliability?
please answer me ASAp.
thank you.
Regards,
Hemal Patel
On Monday 21 January 2013 07:15 PM, Hemal Patel wrote:
1.What do you mean by board specific ?
2.Which file should I modify?
3.From which file this bootm command is called?And where do I find
this file in stack?
Regards,
Hemal Patel
On Monday 21 January 2013 06:19 PM, Wolfgang Denk wrote:
Dear Hemal Patel,
In messageassp.0730d63214.50f9164e.7070...@slscorp.com you wrote:
For example:-
|If kernel-1 is new, U-Boot will boot Kernel-1. and leave kernel-2
as it is.
If kernel-2 is new, U-Boot will boot kernel-2. and leave kernel-2 as
it is.
|
Questions:-
|Is it possible to do so?
This is software,so everything is possible, if you assign sufficient
resources to the task ;-)
How can I add such functionality in U-boot?
Yes, this is not difficult.
Where to chage the code for the same?
The clean way would be to add a (board specific) command to either
make accessable (so you can use the itest command on them) or to
compare (so that you can use plain if) the time stamps of two
images.
Assume your command is_newer_img takes the addresses of two legacy
image files and returns true (i. e. with a zero return code) if this
is the case, then you could just write:
if is_newer_img ${kernel_1_addr} ${kernel_2_addr}
then bootm ${kernel_1_addr}
else bootm ${kernel_2_addr}
fi
Alternatively, for a quick dirty test or show case, you could of
course peek directly at the ih_time entry of the image_header
structure. This would not even need any new code, existing features
would be sufficient.
Best regards,
Wolfgang Denk
___
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U-Boot@lists.denx.de
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[U-Boot] Booting different kernel from U-Boot based on time stamp
I am using U-Boot and two kernel Image(uImage). I want to add some code in U-Boot which will select kernel based of time stamp. I am using MIPS architecture. this two kernels are in different MTD partition. For example:- |If kernel-1 is new, U-Boot will boot Kernel-1. and leave kernel-2 as it is. If kernel-2 is new, U-Boot will boot kernel-2. and leave kernel-2 as it is. | Questions:- |Is it possible to do so? How can I add such functionality in U-boot? Where to chage the code for the same? | -- Thanks Regards, Hemal Patel System Level Solutions (I) Pvt. Ltd. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
