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target-arm: Common kvm_arm_vcpu_init() for KVM ARM and KVM ARM64

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Introduce a common kvm_arm_vcpu_init() for doing KVM_ARM_VCPU_INIT
ioctl in KVM ARM and KVM ARM64. This also helps us factor-out few
common code lines from kvm_arch_init_vcpu() for KVM ARM/ARM64.

Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: Anup Patel <anup.patel@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1402901605-24551-5-git-send-email-pranavkumar@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Pranavkumar Sawargaonkar 2014-06-19 18:06:26 +01:00 • committed by Peter Maydell
parent 99040447ce
commit 228d5e048b
5 changed files with 44 additions and 12 deletions
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12
target-arm/kvm32.c
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@ -166,7 +166,6 @@ static int compare_u64(const void *a, const void *b)
int kvm_arch_init_vcpu(CPUState *cs)
{
struct kvm_vcpu_init init;
int i, ret, arraylen;
uint64_t v;
struct kvm_one_reg r;
@ -179,15 +178,18 @@ int kvm_arch_init_vcpu(CPUState *cs)
return -EINVAL;
}
init.target = cpu->kvm_target;
memset(init.features, 0, sizeof(init.features));
/* Determine init features for this CPU */
memset(cpu->kvm_init_features, 0, sizeof(cpu->kvm_init_features));
if (cpu->start_powered_off) {
init.features[0] = 1 << KVM_ARM_VCPU_POWER_OFF;
cpu->kvm_init_features[0] |= 1 << KVM_ARM_VCPU_POWER_OFF;
}
ret = kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_INIT, &init);
/* Do KVM_ARM_VCPU_INIT ioctl */
ret = kvm_arm_vcpu_init(cs);
if (ret) {
return ret;
}
/* Query the kernel to make sure it supports 32 VFP
* registers: QEMU's "cortex-a15" CPU is always a
* VFP-D32 core. The simplest way to do this is just