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Re: [Qemu-devel] [PATCH] TCG S/390 backend
From: |
malc |
Subject: |
Re: [Qemu-devel] [PATCH] TCG S/390 backend |
Date: |
Tue, 5 May 2009 22:28:21 +0400 (MSD) |
On Tue, 5 May 2009, Ulrich Hecht wrote:
> Hi!
>
> Here's the S/390 host support again. Run Windows CE on your mainframe, be the
> envy of other major financial institutions and government agencies. Changes
> since last time:
>
> - implemented 64-bit operations
> - don't abuse R15 (stack pointer)
> - proper zero-extension before calling load/store helpers
> - implemented i32 divu/remu and RRR multiplication ops
>
> Now i386, AMD64, ARM, SH4, and m68k system emulators work. MIPS works at
> least as well as on an AMD64 host, i.e. the test image from qemu.org just
Should work with '-M mips'.
> sits there without doing anything. The SPARC test image fails with a
> memory access exception in the target system, but works on an AMD64 host,
> so there probably still is a bug somewhere in the backend.
Tried to compare `-d in_asm' outputs of S390/AMD64 when using deterministic
execution (`-icount N')?
[..snip..]
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