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arm64: KVM: Enable minimalistic support for Cortex-A53

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In order to allow KVM to run on Cortex-A53 implementations, wire the
minimal support required.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Marc Zyngier 2014-05-20 18:06:03 +01:00 committed by Christoffer Dall
parent c814ca029e
commit 1252b33136
4 changed files with 7 additions and 1 deletions
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1
arch/arm64/include/asm/cputype.h
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@ -41,6 +41,7 @@
#define ARM_CPU_PART_AEM_V8 0xD0F0
#define ARM_CPU_PART_FOUNDATION 0xD000
#define ARM_CPU_PART_CORTEX_A53 0xD030
#define ARM_CPU_PART_CORTEX_A57 0xD070
#define APM_CPU_PART_POTENZA 0x0000

3
arch/arm64/include/uapi/asm/kvm.h
View File

@ -57,8 +57,9 @@ struct kvm_regs {
#define KVM_ARM_TARGET_FOUNDATION_V8 1
#define KVM_ARM_TARGET_CORTEX_A57 2
#define KVM_ARM_TARGET_XGENE_POTENZA 3
#define KVM_ARM_TARGET_CORTEX_A53 4
#define KVM_ARM_NUM_TARGETS 4
#define KVM_ARM_NUM_TARGETS 5
/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */
#define KVM_ARM_DEVICE_TYPE_SHIFT 0

2
arch/arm64/kvm/guest.c
View File

@ -214,6 +214,8 @@ int __attribute_const__ kvm_target_cpu(void)
return KVM_ARM_TARGET_AEM_V8;
case ARM_CPU_PART_FOUNDATION:
return KVM_ARM_TARGET_FOUNDATION_V8;
case ARM_CPU_PART_CORTEX_A53:
return KVM_ARM_TARGET_CORTEX_A53;
case ARM_CPU_PART_CORTEX_A57:
return KVM_ARM_TARGET_CORTEX_A57;
};

2
arch/arm64/kvm/sys_regs_generic_v8.c
View File

@ -88,6 +88,8 @@ static int __init sys_reg_genericv8_init(void)
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_FOUNDATION_V8,
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A53,
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CORTEX_A57,
&genericv8_target_table);
kvm_register_target_sys_reg_table(KVM_ARM_TARGET_XGENE_POTENZA,