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2013-06-12arm64: KVM: Build system integrationMarc Zyngier1-0/+23
Only the Makefile is plugged in. The Kconfig stuff is in a separate patch to allow for an easier merge process. Reviewed-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12arm64: KVM: PSCI implementationMarc Zyngier1-9/+7
Wire the PSCI backend into the exit handling code. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12arm64: KVM: Plug the arch timerMarc Zyngier2-0/+68
Add support for the in-kernel timer emulation. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12arm64: KVM: Plug the VGICMarc Zyngier1-0/+88
Add support for the in-kernel GIC emulation. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12arm64: KVM: Exit handlingMarc Zyngier1-0/+119
Handle the exit of a VM, decoding the exit reason from HYP mode and calling the corresponding handler. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-12arm64: KVM: HYP mode world switch implementationMarc Zyngier1-0/+617
The HYP mode world switch in all its glory. Implements save/restore of host/guest registers, EL2 trapping, IPA resolution, and additional services (tlb invalidation). Reviewed-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: hypervisor initialization codeMarc Zyngier1-0/+107
Provide EL2 with page tables and stack, and set the vectors to point to the full blown world-switch code. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: guest one-reg interfaceMarc Zyngier1-0/+259
Let userspace play with the guest registers. Reviewed-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: virtual CPU resetMarc Zyngier1-0/+76
Provide the reset code for a virtual CPU booted in 64bit mode. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: CPU specific system registers handlingMarc Zyngier1-0/+85
Add the support code for CPU specific system registers. Not much here yet. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: system register handlingMarc Zyngier2-0/+1021
Provide 64bit system register handling, modeled after the cp15 handling for ARM. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2013-06-07arm64: KVM: fault injection into a guestMarc Zyngier1-0/+126
Implement the injection of a fault (undefined, data abort or prefetch abort) into a 64bit guest. Reviewed-by: Christopher Covington <cov@codeaurora.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>