arm64: KVM: Enable minimalistic support for Cortex-A53
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>
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index c404fb0..27f54a7 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -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
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
index e6471da..e633ff8 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -57,8 +57,9 @@
#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
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 0874557..60b5c31 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -214,6 +214,8 @@
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;
};
diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c
index 8fe6f76..475fd29 100644
--- a/arch/arm64/kvm/sys_regs_generic_v8.c
+++ b/arch/arm64/kvm/sys_regs_generic_v8.c
@@ -88,6 +88,8 @@
&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,