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target/arm: Install ARMISARegisters from kvm host

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The ID registers are replacing (some of) the feature bits.
We need (some of) these values to determine the set of data
to be handled during migration.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181113180154.17903-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-11-19 15:29:07 +00:00 committed by Peter Maydell
parent e6ebbd46b6
commit 4674097c32
2 changed files with 2 additions and 0 deletions
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1
target/arm/kvm.c
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@ -158,6 +158,7 @@ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu)
cpu->kvm_target = arm_host_cpu_features.target;
cpu->dtb_compatible = arm_host_cpu_features.dtb_compatible;
cpu->isar = arm_host_cpu_features.isar;
env->features = arm_host_cpu_features.features;
}

1
target/arm/kvm_arm.h
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@ -183,6 +183,7 @@ void kvm_arm_destroy_scratch_host_vcpu(int *fdarray);
* by asking the host kernel)
*/
typedef struct ARMHostCPUFeatures {
ARMISARegisters isar;
uint64_t features;
uint32_t target;
const char *dtb_compatible;