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Mon, 08 Apr 2024 07:09:23 -0700 (PDT) Date: Mon, 8 Apr 2024 14:08:15 +0000 In-Reply-To: <20240408140818.3799590-1-smostafa@google.com> Mime-Version: 1.0 References: <20240408140818.3799590-1-smostafa@google.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <20240408140818.3799590-11-smostafa@google.com> Subject: [RFC PATCH v2 10/13] hw/arm/smmuv3: Advertise S2FWB From: Mostafa Saleh To: qemu-arm@nongnu.org, eric.auger@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org Cc: jean-philippe@linaro.org, alex.bennee@linaro.org, maz@kernel.org, nicolinc@nvidia.com, julien@xen.org, richard.henderson@linaro.org, marcin.juszkiewicz@linaro.org, Mostafa Saleh Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::b4a; envelope-from=3k_oTZggKChA82489qvqw44w1u.s426u2A-tuBu1343w3A.47w@flex--smostafa.bounces.google.com; helo=mail-yb1-xb4a.google.com X-Spam_score_int: -95 X-Spam_score: -9.6 X-Spam_bar: --------- X-Spam_report: (-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5 autolearn=unavailable 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 QEMU doesn's support memory attributes, so FWB is NOP, this might change in the future if memory attributre would be supported. Signed-off-by: Mostafa Saleh --- hw/arm/smmuv3.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index da47411410..0e367c70ad 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -287,6 +287,14 @@ static void smmuv3_init_regs(SMMUv3State *s) if (FIELD_EX32(s->idr[0], IDR0, S2P)) { /* XNX is a stage-2-specific feature */ s->idr[3] = FIELD_DP32(s->idr[3], IDR3, XNX, 1); + if (FIELD_EX32(s->idr[0], IDR0, S1P)) { + /* + * QEMU doesn's support memory attributes, so FWB is NOP, this + * might change in the future if memory attributre would be + * supported. + */ + s->idr[3] = FIELD_DP32(s->idr[3], IDR3, FWB, 1); + } } s->idr[3] = FIELD_DP32(s->idr[3], IDR3, RIL, 1); s->idr[3] = FIELD_DP32(s->idr[3], IDR3, BBML, 2); -- 2.44.0.478.gd926399ef9-goog