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Fri, 20 Mar 2026 06:16:02 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Alexander Graf , Peter Maydell , qemu-arm@nongnu.org, Pedro Barbuda , Mohamed Mediouni , =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [RFC PATCH 14/35] target/arm: migrate memory op syndromes to registerfields Date: Fri, 20 Mar 2026 13:05:45 +0000 Message-ID: <20260320130607.2071996-15-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260320130607.2071996-1-alex.bennee@linaro.org> References: <20260320130607.2071996-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::62a; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62a.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: qemu development 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: 1774012671342158500 Signed-off-by: Alex Benn=C3=A9e --- target/arm/syndrome.h | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h index 76f66b3beef..2e3121aec9c 100644 --- a/target/arm/syndrome.h +++ b/target/arm/syndrome.h @@ -743,14 +743,39 @@ static inline uint32_t syn_serror(uint32_t extra) return res; } =20 +/* + * ISS encoding for an exception from the Memory Copy and Memory Set + * instructions. + */ +FIELD(MOP_ISS, SIZEREG, 0, 5) +FIELD(MOP_ISS, SRCREG, 5, 5) +FIELD(MOP_ISS, DESTREG, 10, 5) +FIELD(MOP_ISS, FORMATOPT, 16, 2) +FIELD(MOP_ISS, OPT_A, 16, 1) +FIELD(MOP_ISS, WRONG_OPT, 17, 1) +FIELD(MOP_ISS, EPILOGUE, 18, 1) +FIELD(MOP_ISS, OPTIONS, 19, 4) +FIELD(MOP_ISS, IS_SETG, 23, 1) +FIELD(MOP_ISS, MEMINST, 24, 1) + static inline uint32_t syn_mop(bool is_set, bool is_setg, int options, bool epilogue, bool wrong_option, bool opti= on_a, int destreg, int srcreg, int sizereg) { - return (EC_MOP << ARM_EL_EC_SHIFT) | ARM_EL_IL | - (is_set << 24) | (is_setg << 23) | (options << 19) | - (epilogue << 18) | (wrong_option << 17) | (option_a << 16) | - (destreg << 10) | (srcreg << 5) | sizereg; + uint32_t res =3D syn_set_ec(0, EC_MOP); + res =3D FIELD_DP32(res, SYNDROME, IL, 1); + + res =3D FIELD_DP32(res, MOP_ISS, MEMINST, is_set); + res =3D FIELD_DP32(res, MOP_ISS, IS_SETG, is_setg); + res =3D FIELD_DP32(res, MOP_ISS, OPTIONS, options); + res =3D FIELD_DP32(res, MOP_ISS, EPILOGUE, epilogue); + res =3D FIELD_DP32(res, MOP_ISS, WRONG_OPT, wrong_option); + res =3D FIELD_DP32(res, MOP_ISS, OPT_A, option_a); + res =3D FIELD_DP32(res, MOP_ISS, DESTREG, destreg); + res =3D FIELD_DP32(res, MOP_ISS, SRCREG, srcreg); + res =3D FIELD_DP32(res, MOP_ISS, SIZEREG, sizereg); + + return res; } =20 =20 --=20 2.47.3