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From: Mohamed Mediouni <mohamed@unpredictable.fr>
To: qemu-devel@nongnu.org
Cc: Phil Dennis-Jordan <phil@philjordan.eu>,
	Roman Bolshakov <rbolshakov@ddn.com>,
	qemu-arm@nongnu.org, Peter Maydell <peter.maydell@linaro.org>,
	Alexander Graf <agraf@csgraf.de>,
	Mohamed Mediouni <mohamed@unpredictable.fr>
Subject: [PATCH v2 4/5] hvf: arm: expose E2H0
Date: Fri,  4 Sep 2026 06:37:41 +0200	[thread overview]
Message-ID: <20260904043742.96613-5-mohamed@unpredictable.fr> (raw)
In-Reply-To: <20260904043742.96613-1-mohamed@unpredictable.fr>

In the VHE mode, nVHE is not available. As such, only expose VHE.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>
---
 target/arm/hvf/hvf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index c54a92c2aa..47eeaa0f30 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1285,6 +1285,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)
         FIELD_DP64_IDREG(&host_isar, ID_AA64PFR1, SME, 0);
         if (hvf_get_vhe()) {
             FIELD_DP64_IDREG(&host_isar, ID_AA64MMFR1, VH, 0x1);
+            FIELD_DP64_IDREG(&host_isar, ID_AA64MMFR4, E2H0, 0xf);
         }
         /* 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)



  parent reply	other threads:[~2026-09-04  4:38 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-04  4:37 [PATCH v2 0/5] hvf: arm: add experimental VHE (x-vhe) toggle Mohamed Mediouni
2026-09-04  4:37 ` [PATCH v2 1/5] hvf: arm: advertise ID_AA64PFR0_EL1.GIC Mohamed Mediouni
2026-09-28 15:54   ` Peter Maydell
2026-09-28 21:40     ` Mohamed Mediouni
2026-09-04  4:37 ` [PATCH v2 2/5] hvf: arm: add experimental VHE toggle Mohamed Mediouni
2026-09-04  4:37 ` [PATCH v2 3/5] hvf: arm: advertise EL3 support when VHE is on Mohamed Mediouni
2026-09-04  4:37 ` Mohamed Mediouni [this message]
2026-09-04  4:37 ` [PATCH v2 5/5] hvf: arm: ignore accesses to CNTKCTL_EL12 Mohamed Mediouni
2026-09-28 15:55 ` [PATCH v2 0/5] hvf: arm: add experimental VHE (x-vhe) toggle Peter Maydell

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