This may not fix everything, but it should help. Myles > Coquelicot > Sent: Friday, November 09, 2007 11:52 AM > To: linuxbios@linuxbios.org > Subject: [LinuxBIOS] Which svn revision works with VIA EPIA M-II? > > Hi guys, > > I finally have spare ROM chips to play with and I am ready to put > LinuxBIOS on them - I have problems with compiling the beast, however. > I have checkied out the latest revision from SVN and here's what I'm > getting when trying to compile: > > > > --------------- CUT -------------------- > > gcc -m32 -nostdlib -nostartfiles -static -o linuxbios_ram -T > /home/luke/src/carpc-project/LinuxBIOSv2/src/config/linuxbios_ram.ld > linuxbios_ram.o > nm -n linuxbios_ram | sort > linuxbios_ram.map > objcopy --gap-fill 0xff -O binary linuxbios_ram linuxbios_ram.bin > gcc -O2 -DENCODE -DDECODE -DMAIN -DVERBOSE -DNDEBUG -DBITSIZE=32 > -DENDIAN=0 /home/luke/src/carpc-project/LinuxBIOSv2/util/nrv2b/nrv2b.c > -o nrv2b > ./nrv2b e linuxbios_ram.bin linuxbios_ram.nrv2b > input/output = 64748/29627 = 2.185 > cp linuxbios_ram.nrv2b linuxbios_ram.rom > echo '/*ldoptions*/' > ldscript.ld; cat ldoptions >> ldscript.ld ; for > file in /home/luke/src/carpc- > project/LinuxBIOSv2/src/arch/i386/init/ldscript_fallback.lb > /home/luke/src/carpc-project/LinuxBIOSv2/src//cpu/x86/16bit/entry16.lds > /home/luke/src/carpc-project/LinuxBIOSv2/src//cpu/x86/32bit/entry32.lds > /home/luke/src/carpc-project/LinuxBIOSv2/src//cpu/x86/16bit/reset16.lds > /home/luke/src/carpc-project/LinuxBIOSv2/src//arch/i386/lib/id.lds > /home/luke/src/carpc-project/LinuxBIOSv2/src//arch/i386/lib/failover.lds > ; do echo /\* $file \*/ >> ldscript.ld; cat $file >> ldscript.ld ; > done > gcc -m32 -nostdlib -nostartfiles -static -o linuxbios -T ldscript.ld > crt0.o > /usr/bin/ld: warning: dot moved backwards before `.reset' > /usr/bin/ld: warning: dot moved backwards before `.id' > /usr/bin/ld: warning: dot moved backwards before `.id' > /usr/bin/ld: warning: dot moved backwards before `.id' > /usr/bin/ld: section .id [00000000ffffffd9 -> 00000000ffffffef] > overlaps section .rom [00000000ffffb3bf -> 000000010000192f] > /usr/bin/ld: linuxbios: section .id lma 0xffffffd9 overlaps previous > sections > collect2: ld returned 1 exit status > make[1]: *** [linuxbios] Error 1 > make[1]: Leaving directory > `/home/luke/src/carpc-project/LinuxBIOSv2/targets/via/epia-m/epia- > m/fallback' > make: *** [fallback/linuxbios.rom] Error 1 > > --------------- CUT -------------------- > > Here's my Config.lb: > > > --------------- CUT -------------------- > > # Sample config file for EPIA-M > # This will make a target directory of ./epia-m > > target epia-m > > mainboard via/epia-m > > option MAXIMUM_CONSOLE_LOGLEVEL=8 > option DEFAULT_CONSOLE_LOGLEVEL=8 > option CONFIG_CONSOLE_SERIAL8250=1 > > option ROM_SIZE=256*1024 > option HAVE_OPTION_TABLE=1 > option CONFIG_ROM_PAYLOAD=1 > option HAVE_FALLBACK_BOOT=1 > > ### > ### Compute the location and size of where this firmware image > ### (linuxBIOS plus bootloader) will live in the boot rom chip. > ### > option FALLBACK_SIZE=0x18000
option FALLBACK_SIZE=ROM_SIZE > > ## LinuxBIOS C code runs at this location in RAM > option _RAMBASE=0x00004000 > > ### > ### Compute the start location and size size of > ### The linuxBIOS bootloader. > ### > Take out this section, because you don't want to build "normal" anymore. > # > # EPIA-M > # > romimage "normal" > option USE_FALLBACK_IMAGE=0 > option ROM_IMAGE_SIZE=0xc000 > option ROM_SECTION_OFFSET=0x10000 > option ROM_SECTION_SIZE=0x18000 > option LINUXBIOS_EXTRA_VERSION=".0-Normal" > payload $(HOME)/src/carpc-project/filo-0.5/filo.elf > end > > romimage "fallback" > option USE_FALLBACK_IMAGE=1 > option ROM_IMAGE_SIZE=0xc000 > option LINUXBIOS_EXTRA_VERSION=".0-Fallback" > payload $(HOME)/src/carpc-project/filo-0.5/filo.elf > end > > #buildrom ./linuxbios.rom ROM_SIZE "normal" "fallback" > buildrom ./linuxbios.rom ROM_SIZE "fallback" > > > --------------- CUT -------------------- > > I have commented out the normal build because I want to prepend > original VGA BIOS from the board to LinuxBIOS and I guess the fallback > one is the right one to use (at least according to LinuxBIOS > documentation (documentation/HOWTO/EPIA-M-howto). This file also > states how to get the VGA bios: > > dd if=/dev/mem of=/video.bios.bin \ > bs=1 count=65536 skip=790528 > > while Confirmed working SVN revisions at > > http://www.linuxbios.org/index.php/Confirmed_working_svn_revisions > > says something different: > > dd if=/dev/mem of=video.bios.bin.4 bs=65536 count=1 skip=12 > > (I have checked that generated files differ) The reason that they're different is that 12*65536 != 790528 You should check the first few bytes of a video ROM to look for the signature (AA55) You can also use strings. The ROMs I've seen have some recognizable strings in them. Myles > > Big thanks, > > > -- > Coquelicot > > -- > linuxbios mailing list > linuxbios@linuxbios.org > http://www.linuxbios.org/mailman/listinfo/linuxbios -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
