I've got this same problem right now. I upgraded to the latest
toolchain patches available at ftp.m17n.org, got linux-2.4.18
from a kernel mirror, got the linux-sh and linux-sh-dc trees from
their respective SF CVS servers, used treelink appropriately,
compiled my kernel and tried to boot it using dcload. As soon as
the file loads and begins to execute, the DC reboots. To be
clear, no kernel startup messages appear to be printed before the
thing reboots. Also, I was able to recompile and boot the kernel
source I got from Gatliff's article with my upgraded toolchain
just not 2.4.18-sh-dc. Any suggestions?
fyi, I'm 'inflex' on #dclinux.
-Matt
On Mon, Sep 16, 2002 at 02:46:41PM -0400, ZhayTee wrote:
> Using the kernel-boot and sh4-cross-tools package provided on the
> sourceforge linuxdc project page, I managed to create a working
> 1ST_READ.BIN, or so I thought. Unfortunately, my dreamcast reboots after
> showing the SEGA license screen, so it's obviously not working properly. I
> can successfully burn and boot a disc featuring a 1ST_READ.BIN which hasn't
> been created on my system (such as the one which exists on the distribution
> by the cool and froody guys at m17n.org; it's just the ecos bootloader, but
> it does load properly), so it's rather obvious that I'm doing something
> wrong at some point when building my 1ST_READ.BIN.
>
> The only place I can see an error is here:
>
> [root@slartibartfast] ~/dc/kernel-boot# make kernel-boot.bin
> sh4-linux-objcopy -I binary -O elf32-sh-linux zImage.bin zImage.o
> sh4-linux-objcopy: Warning: Output file cannot represent architecture
> UNKNOWN!
> sh4-linux-objcopy -I binary -O elf32-sh-linux initrd.bin initrd.o
> sh4-linux-objcopy: Warning: Output file cannot represent architecture
> UNKNOWN!
> sh4-linux-gcc -ml -m4 -o kernel-boot.elf kernel-boot.S zImage.o
> initrd.o -nostdlib -nostartfiles -T boot.lds
> sh4-linux-objcopy -O binary kernel-boot.elf kernel-boot.bin
> [root@slartibartfast] ~/dc/kernel-boot#
>
> The kernel-boot.bin file is created, but those warnings from objcopy don't
> exactly look healthy.
>
> Any help would be appreciated. I'm so close, yet so far. :P
>
> --JT
> http://zhaymusic.com/
>
>
>
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--
Matt Gumbel <mg...@cm...>
Computer Engineering student at the University of Illinois
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