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From: "Alex Bennée" <alex.bennee@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>,
	qemu-arm <qemu-arm@nongnu.org>,
	Richard Henderson <richard.henderson@linaro.org>
Subject: Re: [PATCH v5 2/5] target/arm: handle M-profile semihosting at translate time
Date: Fri, 13 Sep 2019 14:48:45 +0100	[thread overview]
Message-ID: <874l1gz4qq.fsf@linaro.org> (raw)
In-Reply-To: <CAFEAcA-6BmxkFND4nZBFs70nVPEFzSFrE6RMQ1O3ftqozYYoBA@mail.gmail.com>


Peter Maydell <peter.maydell@linaro.org> writes:

> On Fri, 13 Sep 2019 at 14:28, Alex Bennée <alex.bennee@linaro.org> wrote:
>>
>>
>> Peter Maydell <peter.maydell@linaro.org> writes:
>> > This is still disabling semihosting for the linux-user-mode
>> > build for M-profile, isn't it ?
>>
>> Sure - as rth suggested. But m-profile doesn't run Linux so why would we
>> support it in linux-user?
>
> (a) Linux does support Cortex-M, since it has no-mmu uCLinux style
> support these days

TIL

> (b) gcc test case binaries, which tend to get run on linux-user
> even though in theory they're not actually Linux binaries

Ahh ok - that's fair. I'll add the ifndef for that then.

>
> thanks
> -- PMM


--
Alex Bennée

WARNING: multiple messages have this Message-ID (diff)
From: "Alex Bennée" <alex.bennee@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm <qemu-arm@nongnu.org>,
	Richard Henderson <richard.henderson@linaro.org>,
	QEMU Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v5 2/5] target/arm: handle M-profile semihosting at translate time
Date: Fri, 13 Sep 2019 14:48:45 +0100	[thread overview]
Message-ID: <874l1gz4qq.fsf@linaro.org> (raw)
In-Reply-To: <CAFEAcA-6BmxkFND4nZBFs70nVPEFzSFrE6RMQ1O3ftqozYYoBA@mail.gmail.com>


Peter Maydell <peter.maydell@linaro.org> writes:

> On Fri, 13 Sep 2019 at 14:28, Alex Bennée <alex.bennee@linaro.org> wrote:
>>
>>
>> Peter Maydell <peter.maydell@linaro.org> writes:
>> > This is still disabling semihosting for the linux-user-mode
>> > build for M-profile, isn't it ?
>>
>> Sure - as rth suggested. But m-profile doesn't run Linux so why would we
>> support it in linux-user?
>
> (a) Linux does support Cortex-M, since it has no-mmu uCLinux style
> support these days

TIL

> (b) gcc test case binaries, which tend to get run on linux-user
> even though in theory they're not actually Linux binaries

Ahh ok - that's fair. I'll add the ifndef for that then.

>
> thanks
> -- PMM


--
Alex Bennée


  parent reply	other threads:[~2019-09-13 13:48 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 16:49 [PATCH v5 0/5] semihosting cleanups (plus minor tests/tcg tweak) Alex Bennée
2019-09-11 16:49 ` [Qemu-devel] " Alex Bennée
2019-09-11 16:49 ` [PATCH v5 1/5] tests/tcg: clean-up some comments after the de-tangling Alex Bennée
2019-09-11 16:49   ` [Qemu-devel] " Alex Bennée
2019-09-13 13:02   ` Peter Maydell
2019-09-13 13:02     ` [Qemu-devel] " Peter Maydell
2019-09-11 16:49 ` [PATCH v5 2/5] target/arm: handle M-profile semihosting at translate time Alex Bennée
2019-09-11 16:49   ` [Qemu-devel] " Alex Bennée
2019-09-13 13:03   ` Peter Maydell
2019-09-13 13:03     ` [Qemu-devel] " Peter Maydell
2019-09-13 13:28     ` Alex Bennée
2019-09-13 13:28       ` [Qemu-devel] " Alex Bennée
2019-09-13 13:31       ` Peter Maydell
2019-09-13 13:31         ` [Qemu-devel] " Peter Maydell
2019-09-13 13:48         ` Peter Maydell
2019-09-13 13:48           ` [Qemu-devel] " Peter Maydell
2019-09-13 13:48         ` Alex Bennée [this message]
2019-09-13 13:48           ` Alex Bennée
2019-09-11 16:49 ` [PATCH v5 3/5] target/arm: handle A-profile " Alex Bennée
2019-09-11 16:49   ` [Qemu-devel] " Alex Bennée
2019-09-13 13:04   ` Peter Maydell
2019-09-13 13:04     ` [Qemu-devel] " Peter Maydell
2019-09-11 16:49 ` [PATCH v5 4/5] target/arm: remove run time semihosting checks Alex Bennée
2019-09-11 16:49   ` [Qemu-devel] " Alex Bennée
2019-09-11 16:49 ` [PATCH v5 5/5] target/arm: remove run-time semihosting checks for linux-user Alex Bennée
2019-09-11 16:49   ` [Qemu-devel] " Alex Bennée
2019-09-13 13:05   ` Peter Maydell
2019-09-13 13:05     ` [Qemu-devel] " Peter Maydell

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