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[2003:f6:af00:a400:b6f5:2cb1:a2e8:9932]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4870bf33e01sm9655089f8f.23.2026.09.16.09.51.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2026 09:51:23 -0700 (PDT) From: Sebastian Ott To: Peter Maydell , Eric Auger , Jonathan Cameron , Alireza Sanaee , Richard Henderson , Cornelia Huck , khushit.shah@nutanix.com Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org, Sebastian Ott Subject: [PATCH v6 0/3] arm: demuxed ID registers (CCSIDR_EL1) Date: Wed, 16 Sep 2026 18:51:14 +0200 Message-ID: <20260916165117.39764-1-sebott@redhat.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: dM50QQAbWIFCx9gGSoX-5MqWVvDBivfV7PZDrIr3J2g_1789577484 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Received-SPF: pass client-ip=170.10.129.124; envelope-from=sebott@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H2=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org To support efforts to generalize handling of writable System ID Registers [1] this series addresses the demuxed registers that are kept outside of ARMISARegisters namely CSSELR_EL1. CSSELR_EL1 is moved within ARMISARegisters and accessors to retrieve and set the demuxed values are provided. Initial values are gathered via the usual KVM_GET_ONE_REG ioctl. V5 of this series was posted here: https://lore.kernel.org/qemu-devel/20260909144151.26803-1-sebott@redhat.com/ [1] https://lore.kernel.org/qemu-arm/20260616132625.1732031-1-eric.auger@redhat.com/ Changes V5->V6: * incorporated suggestions from Peter Changes V4->V5: * changed diffstat format * changed cover letter Changes V3->V4: * added R-B from Eric * incorporated suggestions from Eric Cornelia Huck (3): arm: handle demuxed ID registers arm: handle CCSIDR_EL1 as a demuxed register arm/kvm: get demuxed ID registers from kvm target/arm/cpu-sysregs.h | 9 +++++ target/arm/cpu.h | 28 +++++++++++---- target/arm/cpu-sysregs.h.inc | 1 + hw/arm/virt.c | 19 ++++------ hw/intc/armv7m_nvic.c | 2 +- target/arm/cpu-max.c | 6 ++-- target/arm/cpu64.c | 14 ++++++-- target/arm/helper.c | 2 +- target/arm/kvm.c | 42 ++++++++++++++++++++++ target/arm/tcg/cpu32.c | 26 +++++++------- target/arm/tcg/cpu64.c | 68 ++++++++++++++++++------------------ 11 files changed, 144 insertions(+), 73 deletions(-) -- 2.55.0