diff options
| author | Rahul Thakur <rjthakur@google.com> | 2017-03-01 10:27:05 -0800 |
|---|---|---|
| committer | Rahul Thakur <rjthakur@google.com> | 2017-03-03 04:56:45 +0000 |
| commit | ceb3bd9733d094b7c7d659ec5990fda26c2da27c (patch) | |
| tree | b3735b3735eb4e3fc314b261cea3f2896d9324ab /src/arch/arm/kvm/base_cpu.cc | |
| parent | 0fc9dcf46b98ee0e35e8ca428c1021dbbc4f67da (diff) | |
| download | gem5-ceb3bd9733d094b7c7d659ec5990fda26c2da27c.tar.xz | |
arm, kvm: enable running 32-bit Guest under ARM KVM64
1) Pass KVM_ARM_VCPU_EL1_32BIT to kvmArmVCpuInit
when running 32-bit OS
2) Correctly map 64-bit registers to banked 32-bit ones
Change-Id: I1dec6427d6f5c3bba599ccdd804f1dfe80d3e670
Reviewed-on: https://gem5-review.googlesource.com/2261
Maintainer: Rahul Thakur <rjthakur@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Diffstat (limited to 'src/arch/arm/kvm/base_cpu.cc')
| -rw-r--r-- | src/arch/arm/kvm/base_cpu.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/arch/arm/kvm/base_cpu.cc b/src/arch/arm/kvm/base_cpu.cc index e511fd661..e25112cae 100644 --- a/src/arch/arm/kvm/base_cpu.cc +++ b/src/arch/arm/kvm/base_cpu.cc @@ -79,6 +79,9 @@ BaseArmKvmCPU::startup() memset(&target_config, 0, sizeof(target_config)); vm.kvmArmPreferredTarget(target_config); + if (!((ArmSystem *)system)->highestELIs64()) { + target_config.features[0] |= (1 << KVM_ARM_VCPU_EL1_32BIT); + } kvmArmVCpuInit(target_config); } |