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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1674136645; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AuqrwC97+9Z1Th4V0AydpH0eXGT097zQTCDCeGSE7aQ=; b=mYrT/UPT5poGHFzAmXD0Y5oiCo1qnIthekz+ggXtTUDuYw0nY5YPQjnpLZ9kkNfoopts81 MI5I+R1Z6i8yoECA== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Paolo Bonzini , Claudio Fontana , Eduardo Habkost , Alexander Graf , Cornelia Huck Subject: [RFC PATCH v4 14/15] arm/Kconfig: Always select SEMIHOSTING when TCG is present Date: Thu, 19 Jan 2023 10:54:23 -0300 Message-Id: <20230119135424.5417-15-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230119135424.5417-1-farosas@suse.de> References: <20230119135424.5417-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:67c:2178:6::1d; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1674142374334100001 Content-Type: text/plain; charset="utf-8" We are about to enable the build without TCG, so CONFIG_SEMIHOSTING and CONFIG_ARM_COMPATIBLE_SEMIHOSTING cannot be unconditionally set in default.mak anymore. So reflect the change in a Kconfig. Instead of using semihosting/Kconfig, use a target-specific file, so that the change doesn't affect other architectures which might implement semihosting in a way compatible with KVM. The selection from ARM_v7M needs to be removed to avoid a cycle during parsing. Signed-off-by: Fabiano Rosas Reviewed-by: Richard Henderson --- The linux-user build does not use Kconfig. Is it worth it to add support to it? There's just the semihosting config so far. --- configs/devices/arm-softmmu/default.mak | 2 -- hw/arm/Kconfig | 1 - target/arm/Kconfig | 7 +++++++ 3 files changed, 7 insertions(+), 3 deletions(-) diff --git a/configs/devices/arm-softmmu/default.mak b/configs/devices/arm-= softmmu/default.mak index 1b49a7830c..cb3e5aea65 100644 --- a/configs/devices/arm-softmmu/default.mak +++ b/configs/devices/arm-softmmu/default.mak @@ -40,6 +40,4 @@ CONFIG_MICROBIT=3Dy CONFIG_FSL_IMX25=3Dy CONFIG_FSL_IMX7=3Dy CONFIG_FSL_IMX6UL=3Dy -CONFIG_SEMIHOSTING=3Dy -CONFIG_ARM_COMPATIBLE_SEMIHOSTING=3Dy CONFIG_ALLWINNER_H3=3Dy diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 19d6b9d95f..e0da8841db 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -316,7 +316,6 @@ config ARM_V7M # currently v7M must be included in a TCG build due to translate.c default y if TCG && (ARM || AARCH64) select PTIMER - select ARM_COMPATIBLE_SEMIHOSTING =20 config ALLWINNER_A10 bool diff --git a/target/arm/Kconfig b/target/arm/Kconfig index 3f3394a22b..39f05b6420 100644 --- a/target/arm/Kconfig +++ b/target/arm/Kconfig @@ -4,3 +4,10 @@ config ARM config AARCH64 bool select ARM + +# This config exists just so we can make SEMIHOSTING default when TCG +# is selected without also changing it for other architectures. +config ARM_SEMIHOSTING + bool + default y if TCG && ARM + select ARM_COMPATIBLE_SEMIHOSTING --=20 2.35.3