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Aw: hppa qemu and string functions
- From: "Helge Deller" <deller at gmx dot de>
- To: "Richard Henderson" <rth at twiddle dot net>
- Cc: linux-parisc at vger dot kernel dot org, "GNU C Library" <libc-alpha at sourceware dot org>
- Date: Wed, 9 Nov 2016 15:51:16 +0100
- Subject: Aw: hppa qemu and string functions
- Authentication-results: sourceware.org; auth=none
- References: <21645bc2-f005-5e60-d26a-41af60e3c035@twiddle.net>
- Sensitivity: Normal
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 ? :-)
> Attached are versions of strlen, strchr and strrchr. They pass simple tests
> within my emulator; I'd be interested to know if they pass full glibc testing
> on real hardware.
If you like I can give you access to a hppa-linux box...
Helge