Rockbox Development > New Ports
SAMSUNG YH-920
wolly-p:
Bootloader is attached
pyro_maniac:
--- Quote from: wolly-p on February 05, 2009, 05:13:36 AM ---Bootloader is attached
--- End quote ---
Ok thanks, but how can i get this onto the device? Copy that into the System directory?
wolly-p:
It's already flashed into the ROM; at present, I don't see a need to change it. If you really want to do that, you would first have to debug it, next to modify it, finally to flash it back to the ROM, but the flashing method is hardware-dependent. Copying will not work.
However, I do not understand the way you want to proceed. Like other PP-based players, the (fixed) bootloader does the necessary steps to initialise the device (e.g. CPU, ATA-interface and a bit more), and then reads its main firmware from the encrypted mi4-file. This mi4 file is what you have to build completely new, based partly on the available Rockbox sources, and partly with new modules you have to write on your own, dependent on the YH-920 hardware. In order to understand how the hardware works, it will indeed be helpful to debug the bootloader.
pyro_maniac:
I don't know if you have watched into the bootloader but there are some interesting strings in it. I attachted what i have found. Maybe you will take a look and tell me, what you think.
wolly-p:
Looks like strings of diagnostic tests / error messages. But I don't see how it could be utilised for your intended Rockbox build. BTW, about 2 years ago, I sent various emails to the Samsung guy whose e-mail address can be found in the strings, and the address was existing, but I never got any reply. Seems to be company policy ...
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