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Commit 1252b331 authored by Marc Zyngier's avatar Marc Zyngier Committed by Christoffer Dall
Browse files

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: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent c814ca02

arch/arm64/include/asm/cputype.h

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm64/include/uapi/asm/kvm.h

+2 −1
Original line number Diff line number Diff line
@@ -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

arch/arm64/kvm/guest.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

		};

arch/arm64/kvm/sys_regs_generic_v8.c

+2 −0
Original line number Diff line number Diff line
@@ -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,