Architecture independence layer - v0 - basic mechanism

index 445c6e4..63ce7b0 100644
@@ -3,14 +3,14 @@
 #
 menuconfig VIRTUALIZATION
 	bool "Virtualization"
-	depends on X86
+	depends on X86 || POWERPC
 	default y
 
 if VIRTUALIZATION
 
 config KVM
 	tristate "Kernel-based Virtual Machine (KVM) support"
-	depends on X86 && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 	---help---

@@ -27,18 +27,40 @@ config KVM
 
 	  If unsure, say N.
 
+config KVM_X86
+	bool
+
 config KVM_INTEL
 	tristate "KVM for Intel processors support"
-	depends on KVM
+	depends on KVM && X86
+	select KVM_X86
 	---help---
 	  Provides support for KVM on Intel processors equipped with the VT
 	  extensions.
 
 config KVM_AMD
 	tristate "KVM for AMD processors support"
-	depends on KVM
+	depends on KVM && X86
+	select KVM_X86
 	---help---
 	  Provides support for KVM on AMD processors equipped with the AMD-V
 	  (SVM) extensions.
 
+config KVM_EMBEDDED_POWERPC
+	bool
+
+config KVM_POWERPC_440
+	tristate "KVM for embedded PowerPC 440 cores"
+	depends on KVM && POWERPC
+	select KVM_EMBEDDED_POWERPC
+	---help---
+	  Provides support for KVM on embedded PowerPC 440 cores
+
+config KVM_POWERPC_E500
+	tristate "KVM for embedded PowerPC e500 cores"
+	depends on KVM && POWERPC
+	select KVM_EMBEDDED_POWERPC
+	---help---
+	  Provides support for KVM on embedded PowerPC e500 cores
+
 endif # VIRTUALIZATION

index c0a789f..843fe08 100644
@@ -2,9 +2,19 @@
 # Makefile for Kernel-based Virtual Machine module
 #
 
-kvm-objs := kvm_main.o mmu.o x86_emulate.o
-obj-$(CONFIG_KVM) += kvm.o
+kvm-objs := kvm_main.o
+
+ifeq ($(CONFIG_KVM_X86),y)
+kvm-objs += kvm_x86.o mmu.o x86_emulate.o
+
 kvm-intel-objs = vmx.o
 obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
 kvm-amd-objs = svm.o
 obj-$(CONFIG_KVM_AMD) += kvm-amd.o
+endif
+
+ifeq ($(CONFIG_KVM_EMBEDDED_POWERPC),y)
+kvm-objs += kvm-powerpc.o
+endif
+
+obj-$(CONFIG_KVM) += kvm.o