1. 根目录:
2. arch
3. ia64
4. kvm
5. Makefile

#This Make file is to generate asm-offsets.h and build source.
#

#Generate asm-offsets.h for vmm module build
offsets-file := asm-offsets.h

always  := $(offsets-file)
targets := $(offsets-file)
targets += arch/ia64/kvm/asm-offsets.s

# Default sed regexp - multiline due to syntax constraints
define sed-y
	"/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
endef

quiet_cmd_offsets = GEN     $@
define cmd_offsets
	(set -e; \
	 echo "#ifndef __ASM_KVM_OFFSETS_H__"; \
	 echo "#define __ASM_KVM_OFFSETS_H__"; \
	 echo "/*"; \
	 echo " * DO NOT MODIFY."; \
	 echo " *"; \
	 echo " * This file was generated by Makefile"; \
	 echo " *"; \
	 echo " */"; \
	 echo ""; \
	 sed -ne $(sed-y) $<; \
	 echo ""; \
	 echo "#endif" ) > $@
endef

# We use internal rules to avoid the "is up to date" message from make
arch/ia64/kvm/asm-offsets.s: arch/ia64/kvm/asm-offsets.c \
			$(wildcard $(srctree)/arch/ia64/include/asm/*.h)\
			$(wildcard $(srctree)/include/linux/*.h)
	$(call if_changed_dep,cc_s_c)

$(obj)/$(offsets-file): arch/ia64/kvm/asm-offsets.s
	$(call cmd,offsets)

FORCE : $(obj)/$(offsets-file)

#
# Makefile for Kernel-based Virtual Machine module
#

ccflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
asflags-y := -Ivirt/kvm -Iarch/ia64/kvm/

common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
		coalesced_mmio.o irq_comm.o assigned-dev.o)

ifeq ($(CONFIG_IOMMU_API),y)
common-objs += $(addprefix ../../../virt/kvm/, iommu.o)
endif

kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
obj-$(CONFIG_KVM) += kvm.o

CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \
	vtlb.o process.o kvm_lib.o
#Add link memcpy and memset to avoid possible structure assignment error
kvm-intel-objs += memcpy.o memset.o
obj-$(CONFIG_KVM_INTEL) += kvm-intel.o