Re: [Qemu-devel] Request for openhackware.git mirror

[Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>]

On 02/03/14 20:41, Andreas Färber wrote:

> Hello Stefan,
>
> We have a file pc-bios/ppc_rom.bin in qemu.git, used by PReP emulation,
> to which we do not have available the full GPL source code. I would like
> to replace the current file with a new binary built from original
> OpenHack'Ware sources plus our pc-bios/ohw.diff plus build fixes plus
> workaround for the unknown delta between v0.4.1+ohw.diff and Jocelyn's
> ppc_rom.bin: http://repo.or.cz/w/openhackware.git is finally building
> for me [1] and seems to be working as before.
>
> Can you please set up an openhackware.git mirror on git.qemu.org for my
> git://repo.or.cz/openhackware.git so that we can properly integrate the
> sources as a submodule before I exchange the binary?
>
> Next steps would then be to agree on an approach to blow the binary up
> from 512 KiB to 1 MiB (proposals by Hervé and Alex) and then continue
> with Hervé's Raven PHB patches with a view to making both ppc_rom.bin
> and openbios-ppc testable in 2.0 until we can hopefully switch to
> OpenBIOS some time after.
>
> Thanks,
> Andreas
>
> [1] Using `make CROSS_COMPILE=powerpc-elf-` works for GCC 4.8.2 and
> binutils 2.24; I did not find a solution for my identically versioned
> CROSS_COMPILE=powerpc-eabi- setup (that I had been successfully using
> for OpenBIOS), lacking an __eabi symbol on final ld.

Hi Andreas,

This is great news! FWIW I've just tried building a clone of the 
repository at git://git.qemu-project.org/openhackware.git and it looks 
good until the final link stage:


powerpc-elf-ld -m elf32ppc -O2 -g -nostdlib -T src/main.ld -o 
.objs/main.out .objs/main.o .objs/bootinfos.o .objs/bloc.o .objs/pci.o 
.objs/of.o .objs/start.o .objs/nvram.o .objs/vga.o .objs/mm.o 
.objs/char.o .objs/malloc.o .objs/errno.o .objs/_vprintf.o 
.objs/printf.o .objs/sprintf.o .objs/snprintf.o .objs/vprintf.o 
.objs/vsprintf.o .objs/vsnprintf.o .objs/dprintf.o .objs/vdprintf.o 
.objs/memcpy.o .objs/memccpy.o .objs/mempcpy.o .objs/memmove.o 
.objs/memcmove.o .objs/mempmove.o .objs/memset.o .objs/memcmp.o 
.objs/memchr.o .objs/rawmemchr.o .objs/memrchr.o .objs/memmem.o 
.objs/strcpy.o .objs/strdup.o .objs/strndup.o .objs/stpcpy.o 
.objs/stpncpy.o .objs/strcat.o .objs/strncat.o .objs/strcmp.o 
.objs/strcasecmp.o .objs/strncmp.o .objs/strncasecmp.o .objs/strchr.o 
.objs/strchrnul.o .objs/strrchr.o .objs/basename.o .objs/dirname.o 
.objs/strlen.o .objs/strnlen.o .objs/exec_core.o .objs/exec_elf.o 
.objs/exec_xcoff.o .objs/exec_macho.o .objs/exec_chrp.o 
.objs/exec_prep.o .objs/exec_pef.o .objs/fs_core.o .objs/fs_raw.o 
.objs/fs_ext2.o .objs/fs_isofs.o .objs/fs_hfs.o .objs/part_core.o 
.objs/part_apple.o .objs/part_isofs.o .objs/part_prep.o 
.objs/dev_char_pckbd.o .objs/dev_char_kbdadb.o .objs/dev_char_kbd.o
powerpc-elf-ld: .objs/main.out section .text.startup will not fit in 
region start
powerpc-elf-ld: section .text [0000000005800400 -> 0000000005812e23] 
overlaps section .text.startup [0000000005800054 -> 00000000058006d7]
powerpc-elf-ld: section .rodata.str1.4 [00000000058006d8 -> 
0000000005804cdb] overlaps section .text [0000000005800400 -> 
0000000005812e23]
powerpc-elf-ld: region start overflowed by 18668 bytes
make: *** [.objs/main.out] Error 1

build@kentang:~/src/ohw/openhackware$ powerpc-elf-gcc -v
Using built-in specs.
COLLECT_GCC=powerpc-elf-gcc
COLLECT_LTO_WRAPPER=/home/build/ppc-cross/libexec/gcc/powerpc-elf/4.8.2/lto-wrapper
Target: powerpc-elf
Configured with: ../gcc-4.8.2/configure --prefix=/home/build/ppc-cross 
--enable-languages=c --target=powerpc-elf --disable-libssp
Thread model: single
gcc version 4.8.2 (GCC)
build@kentang:~/src/ohw/openhackware$


Am I missing something from the build in order for the final link to 
complete correctly?


Many thanks,

Mark.