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Fri, 29 Aug 2025 22:47:00 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Pierrick Bouvier Subject: [PATCH v4 51/84] target/arm: Add syndrome data for EC_GCS Date: Sat, 30 Aug 2025 15:40:55 +1000 Message-ID: <20250830054128.448363-52-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::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.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: 1756573125208116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/syndrome.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h index c48d3b8587..bff61f052c 100644 --- a/target/arm/syndrome.h +++ b/target/arm/syndrome.h @@ -63,6 +63,7 @@ enum arm_exception_class { EC_MOP =3D 0x27, EC_AA32_FPTRAP =3D 0x28, EC_AA64_FPTRAP =3D 0x2c, + EC_GCS =3D 0x2d, EC_SERROR =3D 0x2f, EC_BREAKPOINT =3D 0x30, EC_BREAKPOINT_SAME_EL =3D 0x31, @@ -83,6 +84,23 @@ typedef enum { SME_ET_InaccessibleZT0, } SMEExceptionType; =20 +typedef enum { + GCS_ET_DataCheck, + GCS_ET_EXLOCK, + GCS_ET_GCSSTR_GCSSTTR, +} GCSExceptionType; + +typedef enum { + GCS_IT_RET_nPauth =3D 0, + GCS_IT_GCSPOPM =3D 1, + GCS_IT_RET_PauthA =3D 2, + GCS_IT_RET_PauthB =3D 3, + GCS_IT_GCSSS1 =3D 4, + GCS_IT_GCSSS2 =3D 5, + GCS_IT_GCSPOPCX =3D 8, + GCS_IT_GCSPOPX =3D 9, +} GCSInstructionType; + #define ARM_EL_EC_LENGTH 6 #define ARM_EL_EC_SHIFT 26 #define ARM_EL_IL_SHIFT 25 @@ -351,6 +369,23 @@ static inline uint32_t syn_pcalignment(void) return (EC_PCALIGNMENT << ARM_EL_EC_SHIFT) | ARM_EL_IL; } =20 +static inline uint32_t syn_gcs_data_check(GCSInstructionType it, int rn) +{ + return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL | + (GCS_ET_DataCheck << 20) | (rn << 5) | it); +} + +static inline uint32_t syn_gcs_exlock(void) +{ + return (EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL | (GCS_ET_EXLOCK << 20); +} + +static inline uint32_t syn_gcs_gcsstr(int ra, int rn) +{ + return ((EC_GCS << ARM_EL_EC_SHIFT) | ARM_EL_IL | + (GCS_ET_GCSSTR_GCSSTTR << 20) | (ra << 10) | (rn << 5)); +} + static inline uint32_t syn_serror(uint32_t extra) { return (EC_SERROR << ARM_EL_EC_SHIFT) | ARM_EL_IL | extra; --=20 2.43.0