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Fri, 29 Aug 2025 22:48:01 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Thiago Jung Bauermann , Pierrick Bouvier Subject: [PATCH v4 73/84] target/arm: Enable FEAT_GCS with -cpu max Date: Sat, 30 Aug 2025 15:41:17 +1000 Message-ID: <20250830054128.448363-74-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250830054128.448363-1-richard.henderson@linaro.org> References: <20250830054128.448363-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::533; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x533.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=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756575160701124100 Content-Type: text/plain; charset="utf-8" Tested-by: Thiago Jung Bauermann Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/tcg/cpu64.c | 1 + docs/system/arm/emulation.rst | 1 + 2 files changed, 2 insertions(+) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 76193826ce..8ebb0a91db 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1206,6 +1206,7 @@ void aarch64_max_tcg_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64PFR1, SME, 2); /* FEAT_SME2 */ t =3D FIELD_DP64(t, ID_AA64PFR1, CSV2_FRAC, 0); /* FEAT_CSV2_3 */ t =3D FIELD_DP64(t, ID_AA64PFR1, NMI, 1); /* FEAT_NMI */ + t =3D FIELD_DP64(t, ID_AA64PFR1, GCS, 1); /* FEAT_GCS */ SET_IDREG(isar, ID_AA64PFR1, t); =20 t =3D GET_IDREG(isar, ID_AA64MMFR0); diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 4b07af9eac..21c187a464 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -73,6 +73,7 @@ the following architecture extensions: - FEAT_FRINTTS (Floating-point to integer instructions) - FEAT_FlagM (Flag manipulation instructions v2) - FEAT_FlagM2 (Enhancements to flag manipulation instructions) +- FEAT_GCS (Guarded Control Stack Extension) - FEAT_GTG (Guest translation granule size) - FEAT_HAFDBS (Hardware management of the access flag and dirty bit state) - FEAT_HBC (Hinted conditional branches) --=20 2.43.0