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From: Richard Henderson <richard.henderson@linaro.org>
To: Pierrick Bouvier <pierrick.bouvier@linaro.org>,
	Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, sw@weilnetz.de, kkostiuk@redhat.com,
	clg@kaod.org,  alex.bennee@linaro.org
Subject: Re: [PATCH 1/4] util/cacheflush: fix illegal instruction on windows-arm64
Date: Wed, 15 Feb 2023 08:22:39 -1000	[thread overview]
Message-ID: <bbd1374f-8ffb-720b-f759-aa75dee70f5e@linaro.org> (raw)
In-Reply-To: <01e0e1f1-96ea-2294-f8ea-8a36320021e5@linaro.org>

On 2/15/23 02:49, Pierrick Bouvier wrote:
> I'm not an expert on this area, but I imagine that booting a full VM will force TCG to 
> emit code at the same address twice (after having generated enough translated blocks), 
> which shows that generic flush_idcache_range works. Is that reasoning correct?
> 
> Do you think we still need a specialized version for windows-arm64?

No, I don't think so.  It would be ideal if we were able to read CTR_EL0, because we make 
use of the IDC field, but 0 is a safe default.


r~


  reply	other threads:[~2023-02-15 18:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-13 16:13 [PATCH 0/4] Adds support for running QEMU natively on windows-arm64 Pierrick Bouvier
2023-02-13 16:13 ` [PATCH 1/4] util/cacheflush: fix illegal instruction " Pierrick Bouvier
2023-02-14 16:44   ` Peter Maydell
2023-02-14 17:02     ` Richard Henderson
2023-02-15 12:49     ` Pierrick Bouvier
2023-02-15 18:22       ` Richard Henderson [this message]
2023-02-16 12:53         ` Pierrick Bouvier
2023-02-13 16:13 ` [PATCH 2/4] sysemu/os-win32: fix setjmp/longjmp " Pierrick Bouvier
2023-02-14  7:11   ` Philippe Mathieu-Daudé
2023-02-14  8:16     ` Pierrick Bouvier
2023-02-13 16:13 ` [PATCH 3/4] qga/vss-win32: fix warning for clang++-15 Pierrick Bouvier
2023-02-13 16:20   ` Konstantin Kostiuk
2023-02-13 18:08   ` Cédric Le Goater
2023-02-13 16:13 ` [PATCH 4/4] target/ppc: fix warning with clang-15 Pierrick Bouvier
2023-02-13 18:08   ` Cédric Le Goater
2023-02-14  7:14   ` Philippe Mathieu-Daudé
2023-02-14  7:57     ` Pierrick Bouvier
2023-02-14 18:10   ` Richard Henderson
2023-02-15 10:58     ` Pierrick Bouvier

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