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List:       microblaze-uclinux
Subject:    Re: [microblaze-uclinux] uCLinux cannot allocate EMAClite interrupt
From:       John Williams <jwilliams () itee ! uq ! edu ! au>
Date:       2007-05-22 22:33:16
Message-ID: 46536FAC.3030605 () itee ! uq ! edu ! au
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Hi Leonid,

Leonid wrote:

> I am loading uCLinux elf file (which contains filesystem as well) via
> XMD, it passes OK:
> 
> XMD% do image.elf
>         section, .text: 0x22000000-0x2212fa30
>         section, .intv: 0x2212fa30-0x2212fa98
>         section, .init: 0x2213d000-0x2214b000
>         section, .data: 0x2212fa98-0x2213c020
>         section, .bss: 0x2214b000-0x22175e68
>         section, .romfs: 0x2214b000-0x2228d000
> Downloaded Program image.elf
> Setting PC with program start addr = 0x22000000
> XMD%
> 
> Bu when I run the image, it fails in the end:

XMD's interpretation of the ELF standard causes it to fail to download 
the .romfs section of the elf file.  This is why no init is found, and 
the system panics.

for this reason, when downloading via XMD, you must use the .bin file, 
and download it as a data file to a specific address

dow -data /path/to/image.bin 0xdeadbeef
con 0xdeadbeef

This is how the petalinux-jtag-boot scripts work.

Regards,

John
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