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Wed, 10 Dec 2025 06:50:13 -0800 (PST) From: Jim MacArthur Date: Wed, 10 Dec 2025 14:50:13 +0000 Subject: [PATCH v6 3/4] target/arm/tcg/cpu64.c: Enable ASID2 for cpu_max MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251210-jmac-asid2-v6-3-d3b3acab98c7@linaro.org> References: <20251210-jmac-asid2-v6-0-d3b3acab98c7@linaro.org> In-Reply-To: <20251210-jmac-asid2-v6-0-d3b3acab98c7@linaro.org> To: qemu-devel@nongnu.org Cc: Jim MacArthur , Gustavo Romero X-Mailer: b4 0.13.0 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::332; envelope-from=jim.macarthur@linaro.org; helo=mail-wm1-x332.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: 1765378315804158500 docs/system/arm/emulation.rst: Add ASID2 Reviewed-by: Gustavo Romero Signed-off-by: Jim MacArthur Reviewed-by: Richard Henderson --- docs/system/arm/emulation.rst | 1 + target/arm/tcg/cpu64.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst index 31a5878a8f..3f30ea5a30 100644 --- a/docs/system/arm/emulation.rst +++ b/docs/system/arm/emulation.rst @@ -24,6 +24,7 @@ the following architecture extensions: - FEAT_AIE (Memory Attribute Index Enhancement) - FEAT_Armv9_Crypto (Armv9 Cryptographic Extension) - FEAT_ASID16 (16 bit ASID) +- FEAT_ASID2 (Concurrent use of two ASIDs) - FEAT_ATS1A (Address Translation operations that ignore stage 1 permissio= ns) - FEAT_BBM at level 2 (Translation table break-before-make levels) - FEAT_BF16 (AArch64 BFloat16 instructions) diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 6871956382..ef4c0c8d73 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1334,6 +1334,10 @@ void aarch64_max_tcg_initfn(Object *obj) t =3D FIELD_DP64(t, ID_AA64MMFR3, AIE, 1); /* FEAT_AIE */ SET_IDREG(isar, ID_AA64MMFR3, t); =20 + t =3D GET_IDREG(isar, ID_AA64MMFR4); + t =3D FIELD_DP64(t, ID_AA64MMFR4, ASID2, 1); /* FEAT_ASID2 */ + SET_IDREG(isar, ID_AA64MMFR4, t); + t =3D GET_IDREG(isar, ID_AA64ZFR0); t =3D FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 2); /* FEAT_SVE2p1 */ t =3D FIELD_DP64(t, ID_AA64ZFR0, AES, 2); /* FEAT_SVE_PMULL128 */ --=20 2.43.0