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> U-boot Vs Sharp Bootloaders, Advantages and Disadvantages?
judecn
post Dec 10 2007, 09:28 PM
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Hello,

I'm currently running Debian EABI on my C1000 from a 4gb SDHC card with some success, but I'm using Sharp's original bootloader with Angstrom's 10302007 kernel and modules. I've heard that U-Boot is supposed to be "better," but I've never heard how. Are there advantages to using U-Boot over Sharp's traditional bootloader? Is it true that with U-Boot, I don't have to continuously re-flash the ROM to update the kernel (i.e. with U-Boot, can I boot into a kernel on an SD card?)

Thanks in advance.

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malik
post Dec 11 2007, 03:19 AM
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QUOTE(judecn @ Dec 11 2007, 05:28 AM) *
Hello,

I'm currently running Debian EABI on my C1000 from a 4gb SDHC card with some success, but I'm using Sharp's original bootloader with Angstrom's 10302007 kernel and modules. I've heard that U-Boot is supposed to be "better," but I've never heard how. Are there advantages to using U-Boot over Sharp's traditional bootloader? Is it true that with U-Boot, I don't have to continuously re-flash the ROM to update the kernel (i.e. with U-Boot, can I boot into a kernel on an SD card?)

Thanks in advance.


hello,

can you run alternatively a sharprom/cacko from nand? to the others: is this possible using the setting uboot/yongun/eabi system?
this would be great: running an eabi system on sd, a stable sharprom from nand and using in my case the hd as a common disk...

thanx in advance
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koen
post Dec 11 2007, 03:34 AM
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you don't need uboot for that: http://linuxtogo.org/gowiki/AngstromAndCacko
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malik
post Dec 11 2007, 08:25 AM
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QUOTE(koen @ Dec 11 2007, 11:34 AM) *
you don't need uboot for that: http://linuxtogo.org/gowiki/AngstromAndCacko


i want to use cacko as my main system and wish to run angstrom/debian/etc natively. a bootloader should give me the choice,
kexec runs within angstrom.
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koen
post Dec 11 2007, 09:14 AM
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kexec *boots* a new kernel, it does not "run within" something else. Please do some research before posting crappy FUD here.

From the freaking *first* link google gives on "kexec"

CODE
"Some machines have BIOSes that are either extremely slow to reboot,
or that cannot reliably perform a reboot.  In which case kexec
may be the only alternative to reboot in a reliable and timely manner.
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judecn
post Dec 11 2007, 12:33 PM
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QUOTE(koen @ Dec 11 2007, 03:34 AM) *
you don't need uboot for that: http://linuxtogo.org/gowiki/AngstromAndCacko


That's exactly what I needed to do. Many thanks!
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malik
post Dec 12 2007, 01:47 AM
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QUOTE(koen @ Dec 11 2007, 06:14 PM) *
kexec *boots* a new kernel, it does not "run within" something else. Please do some research before posting crappy FUD here.

From the freaking *first* link google gives on "kexec"

CODE
"Some machines have BIOSes that are either extremely slow to reboot,
or that cannot reliably perform a reboot.  In which case kexec
may be the only alternative to reboot in a reliable and timely manner.


@koen> sorry for that and thanx for googling for me, you are my man:-)
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