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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733219230; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=wQuV7vfBKaxksYeKbeM94kD1z8a+EjnT3WNfjoz/Bc8=; b=SIk8tWXQINKCR2ctK7NrHDayxR6LjFAMZU/9nNpseM97uGNVwII/pocF5nBnebGH5Bzi6g 3osXZXVjZu6s4vyNgcKjv47sANG4wjdLHWTdWJ6fr4kCyRskVLOAgZ8Kfp7xMx7wWjq/mx bMf0zuaanS9eqRy2e93Psgn7NG4AeO8= X-MC-Unique: YvfOMC2aPeGrTc9rJGWn9w-1 X-Mimecast-MFC-AGG-ID: YvfOMC2aPeGrTc9rJGWn9w From: Andrea Bolognani To: qemu-devel@nongnu.org Cc: Laurent Vivier , David Abdurachmanov , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Subject: [PATCH] binfmt: Don't consider riscv{32,64} part of the same family Date: Tue, 3 Dec 2024 10:47:02 +0100 Message-ID: <20241203094702.124748-1-abologna@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 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=170.10.133.124; envelope-from=abologna@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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 @redhat.com) X-ZM-MESSAGEID: 1733219253937116600 Currently the script won't generate a configuration file that sets up qemu-user-riscv32 on riscv64, likely under the assumption that 64-bit RISC-V machines can natively run 32-bit RISC-V code. However this functionality, while theoretically possible, in practice is missing from most commonly available RISC-V hardware and not enabled at the distro level. So qemu-user-riscv32 really is the only option to run riscv32 binaries on riscv64. Make riscv32 and riscv64 each its own family, so that the configuration file we need to make 32-on-64 userspace emulation work gets generated. Link: https://src.fedoraproject.org/rpms/qemu/pull-request/72 Thanks: David Abdurachmanov Thanks: Daniel P. Berrang=C3=A9 Signed-off-by: Andrea Bolognani Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Laurent Vivier --- scripts/qemu-binfmt-conf.sh | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh index 6ef9f118d9..e38b767c24 100755 --- a/scripts/qemu-binfmt-conf.sh +++ b/scripts/qemu-binfmt-conf.sh @@ -110,11 +110,11 @@ hppa_family=3Dhppa =20 riscv32_magic=3D'\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x= 02\x00\xf3\x00' riscv32_mask=3D'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x= ff\xff\xfe\xff\xff\xff' -riscv32_family=3Driscv +riscv32_family=3Driscv32 =20 riscv64_magic=3D'\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x= 02\x00\xf3\x00' riscv64_mask=3D'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\x= ff\xff\xfe\xff\xff\xff' -riscv64_family=3Driscv +riscv64_family=3Driscv64 =20 xtensa_magic=3D'\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0= 2\x00\x5e\x00' xtensa_mask=3D'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xf= f\xff\xfe\xff\xff\xff' @@ -168,9 +168,6 @@ qemu_get_family() { sparc*) echo "sparc" ;; - riscv*) - echo "riscv" - ;; loongarch*) echo "loongarch" ;; --=20 2.47.0