For the kernel-irqchip=on case, advertise ID_AA64PFR0_EL1.GIC.
Signed-off-by: Mohamed Mediouni <[email protected]>
Reviewed-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 5213842d2d..acbc257091 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;
/*
--
2.54.0 (Apple Git-157)
