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([2a10:d582:31e:0:a692:d4e2:eaed:fc4e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42cb7f2e556sm40044246f8f.5.2025.11.26.04.41.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Nov 2025 04:41:18 -0800 (PST) From: Jim MacArthur To: qemu-devel@nongnu.org Cc: Jim MacArthur Subject: [PATCH V3 0/4] Basic ASID2 Support Date: Wed, 26 Nov 2025 12:36:46 +0000 Message-ID: <20251126124116.351685-1-jim.macarthur@linaro.org> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::332; envelope-from=jim.macarthur@linaro.org; helo=mail-wm1-x332.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Addressed some more review comments - thank you Alex and Richard for the reviews. Changes in v3: - Patch 2&3 (was 2): - Split patch 2 into 2 parts, one enabling FNG1, FNG0, and A2, and another enabling ASID2 for cpu_max. The patch enabling cpu_max can be dropped or reverted later if not desired at this time. - Patch 4 (was 3): - Check for presence of TCR2_EL1 in test, abort test if not present. - Additionally test that new fields read as RES0 if ASID2 is not present. Changes in v2: - patch 2: - Added FNG1, FNG0, A2 to mask for tcr2_el2_write - patch 3: - Changed test for ASID from "=0x100" to "!= 0" *** BLURB HERE *** Jim MacArthur (4): target/arm: Enable ID_AA64MMFR4_EL1 register. target/arm: Allow writes to FNG1, FNG0, A2 target/arm/tcg/cpu64.c: Enable ASID2 for cpu_max tests: Add test for ASID2 and write/read of feature bits target/arm/cpu-features.h | 7 +++ target/arm/cpu-sysregs.h.inc | 1 + target/arm/helper.c | 10 ++++- target/arm/tcg/cpu64.c | 4 ++ tests/tcg/aarch64/system/asid2.c | 75 ++++++++++++++++++++++++++++++++ 5 files changed, 95 insertions(+), 2 deletions(-) create mode 100644 tests/tcg/aarch64/system/asid2.c -- 2.43.0