From: Thomas Huth <thuth@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>, qemu-devel@nongnu.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Fam Zheng" <fam@euphon.net>,
"Peter Maydell" <peter.maydell@linaro.org>,
kvm@vger.kernel.org, "Alex Bennée" <alex.bennee@linaro.org>,
qemu-arm@nongnu.org, "Richard Henderson" <rth@twiddle.net>,
"Keith Packard" <keithp@keithp.com>
Subject: Re: [PATCH v4 01/12] accel/tcg: Add stub for cpu_loop_exit()
Date: Wed, 30 Sep 2020 09:08:25 +0200 [thread overview]
Message-ID: <b8a687c8-248f-abc5-a046-37e6d84a21c8@redhat.com> (raw)
In-Reply-To: <20200929224355.1224017-2-philmd@redhat.com>
On 30/09/2020 00.43, Philippe Mathieu-Daudé wrote:
> Since the support of SYS_READC in commit 8de702cb67 the
> semihosting code is strongly depedent of the TCG accelerator
> via a call to cpu_loop_exit().
>
> Ideally we would only build semihosting support when TCG
> is available, but unfortunately this is not trivial because
> semihosting is used by many targets in different configurations.
> For now add a simple stub to avoid link failure when building
> with --disable-tcg:
>
> hw/semihosting/console.c:160: undefined reference to `cpu_loop_exit'
>
> Cc: Keith Packard <keithp@keithp.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> accel/stubs/tcg-stub.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c
> index e4bbf997aa..1eec7fb90e 100644
> --- a/accel/stubs/tcg-stub.c
> +++ b/accel/stubs/tcg-stub.c
> @@ -29,3 +29,8 @@ void *probe_access(CPUArchState *env, target_ulong addr, int size,
> /* Handled by hardware accelerator. */
> g_assert_not_reached();
> }
> +
> +void cpu_loop_exit(CPUState *cpu)
> +{
> + g_assert_not_reached();
> +}
>
Reviewed-by: Thomas Huth <thuth@redhat.com>
next prev parent reply other threads:[~2020-09-30 7:08 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 22:43 [PATCH v4 00/12] Support disabling TCG on ARM (part 2) Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 01/12] accel/tcg: Add stub for cpu_loop_exit() Philippe Mathieu-Daudé
2020-09-30 7:08 ` Thomas Huth [this message]
2020-10-03 9:09 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 02/12] meson: Allow optional target/${ARCH}/Kconfig Philippe Mathieu-Daudé
2020-09-30 12:50 ` Claudio Fontana
2020-09-30 13:17 ` Paolo Bonzini
2020-10-03 9:13 ` Richard Henderson
2020-10-03 9:15 ` Paolo Bonzini
2020-10-03 9:32 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 03/12] target/arm: Select SEMIHOSTING if TCG is available Philippe Mathieu-Daudé
2020-10-03 9:43 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 04/12] target/arm: Restrict ARMv4 cpus to TCG accel Philippe Mathieu-Daudé
2020-09-30 8:03 ` Philippe Mathieu-Daudé
2020-10-03 9:17 ` Thomas Huth
2020-09-29 22:43 ` [PATCH v4 05/12] target/arm: Restrict ARMv5 " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 06/12] target/arm: Restrict ARMv6 " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 07/12] target/arm: Restrict ARMv7 R-profile " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 08/12] target/arm: Restrict ARMv7 M-profile " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 09/12] target/arm: Make m_helper.c optional via CONFIG_ARM_V7M Philippe Mathieu-Daudé
2020-10-03 9:48 ` Richard Henderson
2021-01-29 18:53 ` Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 10/12] target/arm: Do not build TCG objects when TCG is off Philippe Mathieu-Daudé
2020-10-03 9:52 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 11/12] target/arm: Reorder meson.build rules Philippe Mathieu-Daudé
2020-10-03 9:53 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 12/12] .travis.yml: Add a KVM-only Aarch64 job Philippe Mathieu-Daudé
2020-10-03 10:03 ` Richard Henderson
2020-10-03 10:14 ` Thomas Huth
2020-10-03 10:37 ` Richard Henderson
2020-09-30 7:58 ` [PATCH v4 00/12] Support disabling TCG on ARM (part 2) Igor Mammedov
2020-09-30 10:20 ` Philippe Mathieu-Daudé
2021-01-28 0:41 ` Alex Bennée
2021-01-28 11:02 ` Philippe Mathieu-Daudé
2021-01-28 15:42 ` Alex Bennée
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