Hi Peter, There is an tools[1] which can calculate the checksum. I am not sure if it can help, really hope it can help [1]http://vps.dorilex.net/pub/scm/usbrom.git
On Thu, May 14, 2009 at 9:38 PM, Peter Stuge <[email protected]> wrote: > Hi Nathan, > > there was some discussion on the coreboot mailing list, and it seems > that the SGABIOS binary doesn't have a checksum calculated for it, > which means that some BIOSes refuse to initialize it. > > The SeaBIOS project maintained by Kevin has a utility for calculating > checksums, available at: > > > http://git.linuxtogo.org/?p=kevin/seabios.git;a=blob;f=tools/checksum.py;h=8c7665d2508d598abf07510234515ffbf198cdff;hb=HEAD > > > Kevin, I can't find that buildrom.py script in seabios.git? > > > //Peter > > ----- Forwarded message from Kevin O'Connor <[email protected]> ----- > > From: Kevin O'Connor <[email protected]> > To: [email protected] > Subject: Re: [coreboot] SeaBIOS, serial output, and grub > Date: Thu, 14 May 2009 09:19:33 -0400 > > On Wed, May 13, 2009 at 11:23:52PM -0400, Ward Vandewege wrote: > > > which is correct (the last two digits are 00). > > > > Huh: > > > > $ v ../payloads/sgabios.bin > > -rwxr-xr-x 1 root src 3169 2009-04-29 13:56 ../payloads/sgabios.bin* > > $ tools/checksum.py <../payloads/sgabios.bin > > sum=50b76 > > Heh - sgabios isn't properly checksumming. It was just dumb luck that > my binary summed to zero. > > This is a hack, but you can use seabios' rom building tool to make it > work: > > tools/buildrom.py ../payloads/sgabios.bin sgabios-cksum.bin > > Someone should follow up with google on this.. > > -Kevin > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot > > ----- End forwarded message ----- > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot > -- Jason Wang Peking University
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