On 01/16/2012 06:59 PM, Stefan Hajnoczi wrote: > > + } > > + qtest_send_prefix(chr); > > + qtest_send(chr, "OK 0x%04x\n", value); > > Endianness is a little weird here. memory.c will byteswap if target > and device endianness differ. > > Imagine the case where we're on an x86 host, running a ppc guest, > reading from PCI configuration space (little-endian). Since ppc > (target endian) is big-endian and the device is little-endian the > value read/written will be byteswapped. However, our qtest runs on > the host and therefore we don't want that automatic swap (or we need > to neutralize it by performing another byteswap on top). >
Good catch. This is another example of how an access depends not only on the destination, but also on the source. Here the source is not the cpu; it's qtest. -- error compiling committee.c: too many arguments to function
