[coreboot] [SerialICE] [ANNOUNCE] libhwremote 0.1

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Sat Mar 10 19:06:12 CET 2012

Am 10.03.2012 17:52 schrieb Idwer Vollering:
> 2012/3/10 Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>:
>> I'm glad to announce libhwremote 0.1, a library which forwards hardware
>> accesses over a serial line to a machine running SerialICE. No QEMU needed!
>> All you have to do to run lspci/superiotool/... against a remote
>> SerialICE target is to compile those tools against libhwremote, and then
>> just run them like you would run them natively.
>> libhwremote is an early prototype. Due to that it has quite a few quirks:
>> - Each run of a libhwremote enabled application requires the application
>> to be started before SerialICE prints its banner, i.e. start the
>> application, then hit reset on the SerialICE target. The reason is the
>> init code which expects "newline,serialice_banner,newline" to do
>> anything useful. If that banner is not there, the results are undefined.
>> - The error handling is mostly working but not really nice.
>> - /dev/ttyUSB0 is hardcoded for serial line access, you may want to
>> change that.
>> - MMIO functions are totally untested, I didn't find any code which
>> needed it (except for flashrom, but probing for flash chips might
>> interfere with SerialICE functionality if SerialICE runs from ROM).
>> - The pciutils patch is totally untested, but I expect it to work.
>> A big THANK YOU goes to Idwer Vollering who tested a dozen iterations of
>> this code until I had figured out the very surprising and unique
>> properties of the SerialICE protocol.
>> Another big THANK YOU goes to Ron Minnich who sent a mail titled
>> "[SerialICE] an idea" which motivated me to start this little project:
>> http://serialice.com/pipermail/serialice/2009-November/000043.html
>> This code sat unfinished on my disk since December 2009, and it's about
>> time I finished it enough to be usable.
>> Notes::
>> - superiotool support is tested and stable
>> - pciutils (lspci/setpci/...) support is untested, but should work.
>> Please fetch latest superiotool from the coreboot git tree and latest
>> pciutils from the pciutils git tree to apply the patches.
> git clone'd from git://git.kernel.org/pub/scm/utils/pciutils/pciutils.git
>> libhwremote is available at:
>> http://ra.openbios.org/~carldani/libhwremote-0.1.tar.gz
>> superiotool patch is available at:
>> http://ra.openbios.org/~carldani/superiotool_hwremote.diff
>> pciutils patch is available at:
>> http://ra.openbios.org/~carldani/pciutils_hwremote.diff
>> I plan to check this code into a source code repository really soon, but
>> for now a tarball and separate patch downloads have to suffice.
>> Tests and bug reports appreciated.
> Where is i386-io-libhwremote.h?
> $ make distclean ; make
> [...]
> gcc -O2 -Wall -W -Wno-parentheses -Wstrict-prototypes
> -Wmissing-prototypes   -c -o i386-ports.o i386-ports.c
> i386-ports.c:30:33: fatal error: i386-io-libhwremote.h: No such file
> or directory

Ouch. I forgot to git add that file. Please download the updated



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