On 11/09/2016 07:51 AM, Helge Deller wrote:
Hi Richard,
Off and on, I've been working on a user-only target of hppa to qemu. It's now
about 95% working. If anyone would like to try it out, it's available at
git://github.com/rth7680/qemu.git tgt-hppa
COOL!
I'm happy to test, but can you shortly describe the required steps how I can build & test it?
With "user-only target of hppa" I assume this means that I can run hppa binaries
on e.g. x86-64, similiar to what is described here: https://wiki.debian.org/QemuUserEmulation ?
While implementing the unit-type instructions, I wondered why no one (outside
hp?) had written a version of the string routines utilizing the UXOR insn, with
the SomeByteZero and NoByteZero conditions.
Interesting.
I assume nobody did, because there are a few hppa/linux/glibc users anyway ? :-)
Probably a safe assumption. I'm pretty sure the hpux string routines
used uxor. There was also at least one hpux routine in libc which used
the branch-in-delay-slot-of-branch trick, but I can't recall why it was
useful.
jeff
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