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From: Richard Henderson <rth@twiddle.net>
To: Rich Felker <dalias@libc.org>,
	musl@lists.openwall.com,  qemu-devel@nongnu.org,
	Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: Broken SuperH atomics in qemu app-level emulation
Date: Wed, 20 May 2015 12:16:38 -0700	[thread overview]
Message-ID: <555CDD96.40701@twiddle.net> (raw)
In-Reply-To: <20150518030536.GA14435@brightrain.aerifal.cx>

On 05/17/2015 08:05 PM, Rich Felker wrote:
> At the very least qemu-sh4 should provide a correct value of AT_HWCAP
> so we get working atomics with -cpu SH7785. And since the GUSA atomic
> model can't work with app-level emulation, I really think qemu-sh4
> should either default to -cpu SH7785 or always expose the
> synco/mov.li/mov.co opcodes (and hwcap) regardless of the -cpu
> setting.

I agree with AT_HWCAP and defaulting to SH7785.  Aurelien?


r~



  reply	other threads:[~2015-05-20 19:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-18  3:05 Rich Felker
2015-05-20 19:16 ` Richard Henderson [this message]
2015-05-21 18:39   ` Aurelien Jarno

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