diff options
author | Andrew Jones <drjones@redhat.com> | 2019-08-02 14:25:26 +0200 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2019-08-16 14:02:51 +0100 |
commit | b9e758f0b5bc64b5800432c0a436dd1afc98ba33 (patch) | |
tree | 3722d288bee7f4b26b3221862ea14884c528ab8d /target/arm/kvm64.c | |
parent | 640581a06d14e2d0d3c3ba79b916de6bc43578b0 (diff) |
target/arm/cpu64: Ensure kvm really supports aarch64=off
If -cpu <cpu>,aarch64=off is used then KVM must also be used, and it
and the host must support running the vcpu in 32-bit mode. Also, if
-cpu <cpu>,aarch64=on is used, then it doesn't matter if kvm is
enabled or not.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/kvm64.c')
-rw-r--r-- | target/arm/kvm64.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index 22d19c9aec..3d91846beb 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -24,7 +24,9 @@ #include "exec/gdbstub.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" +#include "sysemu/kvm_int.h" #include "kvm_arm.h" +#include "hw/boards.h" #include "internals.h" static bool have_guest_debug; @@ -593,6 +595,13 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf) return true; } +bool kvm_arm_aarch32_supported(CPUState *cpu) +{ + KVMState *s = KVM_STATE(current_machine->accelerator); + + return kvm_check_extension(s, KVM_CAP_ARM_EL1_32BIT); +} + #define ARM_CPU_ID_MPIDR 3, 0, 0, 0, 5 int kvm_arch_init_vcpu(CPUState *cs) |