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Fri, 04 Sep 2026 04:37:50 +0000 (UTC) From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Phil Dennis-Jordan , Roman Bolshakov , qemu-arm@nongnu.org, Peter Maydell , Alexander Graf , Mohamed Mediouni Subject: [PATCH v2 3/5] hvf: arm: advertise EL3 support when VHE is on Date: Fri, 4 Sep 2026 06:37:40 +0200 Message-ID: <20260904043742.96613-4-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260904043742.96613-1-mohamed@unpredictable.fr> References: <20260904043742.96613-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: aYlCJEV1Ldo1DHG2Vxm0uowtoWT51zlx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA0MDA0MSBTYWx0ZWRfX419UHtX+/I2H KPECiwrZ8PISk82AotX6qvl6MHN7NecOIKAWWAlA/adxtHdxQeZP8hd40Yz4WK/TvUyJdogTUDs dSHpKJXr9CBmjezUqRP0kmBnuFF7fNyLs/UePYgZ2AaZ52HwcG0GoWA9eKCDRsEZO3DYU+m8BKM XZbEG6Zu2CeadTGyVIcKmtlN9jjqTpFnoyd269VHnRw8rNX3isu4PII4miZT3s0OROJDfDPGLRL TuJy8J+PQNVgjAYQz7p4be2TbTEzRWKSfOD1WxgK9SgJj8rGeXnTqd/idp1Q2+VqcAkt0lyGYG/ xWVUuqzA2nuOBdkuPGEKPQK2GCJWQ+LVcWbjz8KCsLaT7jnBudMwWHXr8pL5cw= X-Proofpoint-GUID: aYlCJEV1Ldo1DHG2Vxm0uowtoWT51zlx X-Authority-Info-Out: v=2.4 cv=VKDQXtPX c=1 sm=1 tr=0 ts=6a9a4b20 cx=c_apl:c_pps:t_out a=aW9mcIavGNWWFvFFKOxBSA==:117 a=aW9mcIavGNWWFvFFKOxBSA==:17 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=w2zTNQtwA0PefuM-ELcA:9 X-JNJ: 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 Received-SPF: pass client-ip=2a01:b747:3003:200::5c; envelope-from=mohamed@unpredictable.fr; helo=outbound.pv.icloud.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, SPF_HELO_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This replicates the typical KVM configuration, and Hyper-V wants it. Signed-off-by: Mohamed Mediouni --- target/arm/hvf/hvf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index b61554e108..c54a92c2aa 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1286,6 +1286,8 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) if (hvf_get_vhe()) { FIELD_DP64_IDREG(&host_isar, ID_AA64MMFR1, VH, 0x1); } + /* Hyper-V doesn't launch if EL3 isn't advertised. */ + FIELD_DP64_IDREG(&host_isar, ID_AA64PFR0, EL3, 0x1); } /* -- 2.54.0 (Apple Git-156)