From: Mohamed Mediouni <[email protected]> For the kernel-irqchip=on case, advertise ID_AA64PFR0_EL1.GIC.
Signed-off-by: Mohamed Mediouni <[email protected]> Reviewed-by: Peter Maydell <[email protected]> Message-id: [email protected] Signed-off-by: Peter Maydell <[email protected]> --- target/arm/hvf/hvf.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index 5213842d2d5..acbc257091f 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -1230,6 +1230,18 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) FIELD_DP64_IDREG(&host_isar, ID_AA64PFR1, SME, 0); } + /* + * On HVF, kernel-irqchip implies GICv3. + * The kernel-irqchip=off,gic-version=3 legacy case also supports + * the host CPU interface but advertising it in ID_AA64PFR0_EL1 + * is not implemented yet. + */ + + if (hvf_irqchip_in_kernel()) { + /* Advertise the GIC system register interface */ + FIELD_DP64_IDREG(&host_isar, ID_AA64PFR0, GIC, 1); + } + ahcf->isar = host_isar; /* -- 2.43.0
