[PATCH 21/29] arm64: KVM: Build system integration

Marc Zyngier
2013-03-05T03:54:07Z

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
arch/arm64/Kconfig | 2 ++
arch/arm64/Makefile | 2 +-
arch/arm64/kvm/Kconfig | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
arch/arm64/kvm/Makefile | 18 +++++++++++++++
4 files changed, 80 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 536611a..cff688b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -241,6 +241,8 @@ 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..14ba38d
--- /dev/null
+++ b/arch/arm64/kvm/Makefile
@@ -0,0 +1,18 @@
+#
+# Makefile for Kernel-based Virtual Machine module
+#
+
+ccflags-y += -Ivirt/kvm -Iarch/arm64/kvm
+CFLAGS_arm.o := -I.
+CFLAGS_mmu.o := -I.
+
+obj-$(CONFIG_KVM_ARM_HOST) += $(addprefix ../../../virt/kvm/, kvm_main.o coalesced_mmio.o)
+
+obj-$(CONFIG_KVM_ARM_HOST) += $(addprefix ../../../arch/arm/kvm/, arm.o mmu.o mmio.o psci.o perf.o)
+
+obj-$(CONFIG_KVM_ARM_HOST) += inject_fault.o
+obj-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o idmap.o
+obj-$(CONFIG_KVM_ARM_HOST) += guest.o reset.o sys_regs.o sys_regs_a57.o
+
+obj-$(CONFIG_KVM_ARM_VGIC) += $(addprefix ../../../arch/arm/kvm/, vgic.o)
+obj-$(CONFIG_KVM_ARM_TIMER) += $(addprefix ../../../arch/arm/kvm/, arch_timer.o)
--
1.7.12.4