[PATCH v4 21/32] arm64: KVM: Build system integration
From: Marc Zyngier <hidden>
Date: 2013-05-14 14:13:49
Also in:
kvm
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
Reviewed-by: Christopher Covington <redacted> Signed-off-by: Marc Zyngier <redacted> --- arch/arm64/Kconfig | 2 ++ arch/arm64/Makefile | 2 +- arch/arm64/kvm/Kconfig | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ arch/arm64/kvm/Makefile | 23 +++++++++++++++++++ 4 files changed, 85 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/kvm/Kconfig create mode 100644 arch/arm64/kvm/Makefile
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 48347dc..a74f6fd 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig@@ -237,6 +237,8 @@ source "drivers/Kconfig" source "fs/Kconfig" +source "arch/arm64/kvm/Kconfig" + source "arch/arm64/Kconfig.debug" source "security/Kconfig"
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index c95c5cb..ae89e63 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile@@ -36,7 +36,7 @@ TEXT_OFFSET := 0x00080000 export TEXT_OFFSET GZFLAGS -core-y += arch/arm64/kernel/ arch/arm64/mm/ +core-y += arch/arm64/kernel/ arch/arm64/mm/ arch/arm64/kvm/ libs-y := arch/arm64/lib/ $(libs-y) libs-y += $(LIBGCC)
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
new file mode 100644
index 0000000..a76be8b
--- /dev/null
+++ b/arch/arm64/kvm/Kconfig@@ -0,0 +1,59 @@ +# +# KVM configuration +# + +source "virt/kvm/Kconfig" + +menuconfig VIRTUALIZATION + bool "Virtualization" + ---help--- + Say Y here to get to see options for using your Linux host to run + other operating systems inside virtual machines (guests). + This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and + disabled. + +if VIRTUALIZATION + +config KVM + bool "Kernel-based Virtual Machine (KVM) support" + select PREEMPT_NOTIFIERS + select ANON_INODES + select KVM_MMIO + select KVM_ARM_HOST + select KVM_ARM_VGIC + select KVM_ARM_TIMER + ---help--- + Support hosting virtualized guest machines. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_ARM_HOST + bool + depends on KVM + depends on MMU + select MMU_NOTIFIER + ---help--- + Provides host support for ARM processors. + +config KVM_ARM_VGIC + bool + depends on KVM_ARM_HOST && OF + select HAVE_KVM_IRQCHIP + ---help--- + Adds support for a hardware assisted, in-kernel GIC emulation. + +config KVM_ARM_TIMER + bool + depends on KVM_ARM_VGIC + select HAVE_KVM_IRQCHIP + ---help--- + Adds support for the Architected Timers in virtual machines + +source drivers/virtio/Kconfig + +endif # VIRTUALIZATION
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
new file mode 100644
index 0000000..75b8c48
--- /dev/null
+++ b/arch/arm64/kvm/Makefile@@ -0,0 +1,23 @@ +# +# Makefile for Kernel-based Virtual Machine module +# + +ccflags-y += -Ivirt/kvm -Iarch/arm64/kvm +CFLAGS_arm.o := -I. +CFLAGS_mmu.o := -I. + +KVM=../../../virt/kvm +ARM=../../../arch/arm/kvm + +obj-$(CONFIG_KVM_ARM_HOST) += kvm.o + +kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o +kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/arm.o $(ARM)/mmu.o $(ARM)/mmio.o +kvm-$(CONFIG_KVM_ARM_HOST) += $(ARM)/psci.o $(ARM)/perf.o + +kvm-$(CONFIG_KVM_ARM_HOST) += inject_fault.o +kvm-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o +kvm-$(CONFIG_KVM_ARM_HOST) += guest.o reset.o sys_regs.o sys_regs_generic_v8.o + +obj-$(CONFIG_KVM_ARM_VGIC) += $(KVM)/arm/vgic.o +obj-$(CONFIG_KVM_ARM_TIMER) += $(KVM)/arm/arch_timer.o
--
1.8.2.3