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Thu, 28 Aug 2025 04:34:47 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 13/32] target/arm: Enable FEAT_CSSC for -cpu max Date: Thu, 28 Aug 2025 12:34:10 +0100 Message-ID: <20250828113430.3214314-14-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250828113430.3214314-1-peter.maydell@linaro.org> References: <20250828113430.3214314-1-peter.maydell@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=2a00:1450:4864:20::434; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x434.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756381186698116600 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Message-id: 20250803014019.416797-7-richard.henderson@linaro.org [PMM: rebased to handle linux-user elfload.c refactor] Signed-off-by: Peter Maydell --- docs/system/arm/emulation.rst | 1 + linux-user/aarch64/elfload.c | 1 + target/arm/tcg/cpu64.c | 1 + 3 files changed, 3 insertions(+) diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 1c597d86738..b12f013b4fc 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -30,6 +30,7 @@ the following architecture extensions: - FEAT_CMOW (Control for cache maintenance permission) - FEAT_CRC32 (CRC32 instructions) - FEAT_Crypto (Cryptographic Extension) +- FEAT_CSSC (Common Short Sequence Compression instructions) - FEAT_CSV2 (Cache speculation variant 2) - FEAT_CSV2_1p1 (Cache speculation variant 2, version 1.1) - FEAT_CSV2_1p2 (Cache speculation variant 2, version 1.2) diff --git a/linux-user/aarch64/elfload.c b/linux-user/aarch64/elfload.c index 1030cb80947..482c0df2d7f 100644 --- a/linux-user/aarch64/elfload.c +++ b/linux-user/aarch64/elfload.c @@ -212,6 +212,7 @@ abi_ulong get_elf_hwcap2(CPUState *cs) GET_FEATURE_ID(aa64_sme_b16b16, ARM_HWCAP2_A64_SME_B16B16); GET_FEATURE_ID(aa64_sme_f16f16, ARM_HWCAP2_A64_SME_F16F16); GET_FEATURE_ID(aa64_sve_b16b16, ARM_HWCAP2_A64_SVE_B16B16); + GET_FEATURE_ID(aa64_cssc, ARM_HWCAP2_A64_CSSC); =20 return hwcaps; } diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 4eb51420ef6..eaf8846a6a5 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1178,6 +1178,7 @@ void aarch64_max_tcg_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64ISAR2, MOPS, 1); /* FEAT_MOPS */ t =3D FIELD_DP64(t, ID_AA64ISAR2, BC, 1); /* FEAT_HBC */ t =3D FIELD_DP64(t, ID_AA64ISAR2, WFXT, 2); /* FEAT_WFxT */ + t =3D FIELD_DP64(t, ID_AA64ISAR2, CSSC, 1); /* FEAT_CSSC */ SET_IDREG(isar, ID_AA64ISAR2, t); =20 t =3D GET_IDREG(isar, ID_AA64PFR0); --=20 2.43.0