kernel/Makefile

   1 include ../config.mak
   2 include config.kbuild
   3
   4 ARCH_DIR = $(if $(filter $(ARCH),x86_64 i386),x86,$(ARCH))
   5 ARCH_CONFIG := $(shell echo $(ARCH_DIR) | tr '[:lower:]' '[:upper:]')
   6 # NONARCH_CONFIG used for unifdef, and only cover X86 and IA64 now
   7 NONARCH_CONFIG = $(filter-out $(ARCH_CONFIG),X86 IA64)
   8
   9 KVERREL = $(patsubst /lib/modules/%/build,%,$(KERNELDIR))
  10
  11 DESTDIR=
  12
  13 MAKEFILE_PRE = $(ARCH_DIR)/Makefile.pre
  14
  15 INSTALLDIR = $(patsubst %/build,%/extra,$(KERNELDIR))
  16 ORIGMODDIR = $(patsubst %/build,%/kernel,$(KERNELDIR))
  17
  18 rpmrelease = devel
  19
  20 LINUX = ../linux-2.6
  21
  22 version = $(shell cd $(LINUX); git describe)
  23
  24 _hack = mv $1 $1.orig && \
  25         gawk -v version=$(version) -f $(ARCH_DIR)/hack-module.awk $1.orig \
  26             | sed '/\#include/! s/\blapic\b/l_apic/g' > $1 && rm $1.orig
  27
  28 unifdef = mv $1 $1.orig && cat unifdef.h $1.orig > $1 && rm $1.orig
  29
  30 hack = $(call _hack,$T/$(strip $1))
  31
  32 hack-files-x86 = kvm_main.c mmu.c vmx.c svm.c x86.c irq.h lapic.c i8254.c kvm_trace.c
  33 hack-files-ia64 = kvm_main.c kvm_fw.c kvm_lib.c
  34
  35 hack-files = $(hack-files-$(ARCH_DIR))
  36
  37 ifeq ($(EXT_CONFIG_KVM_TRACE),y)
  38 module_defines += -DEXT_CONFIG_KVM_TRACE=y
  39 endif
  40
  41 all:: header-link prerequisite
  42 #       include header priority 1) $LINUX 2) $KERNELDIR 3) include-compat
  43         $(MAKE) -C $(KERNELDIR) M=`pwd` \
  44                 LINUXINCLUDE="-I`pwd`/include -Iinclude \
  45                 $(if $(KERNELSOURCEDIR),-Iinclude2 -I$(KERNELSOURCEDIR)/include) \
  46                 -Iarch/${ARCH_DIR}/include -I`pwd`/include-compat \
  47                 -include include/linux/autoconf.h \
  48                 -include `pwd`/$(ARCH_DIR)/external-module-compat.h $(module_defines)"
  49                 "$$@"
  50
  51 sync: header-sync source-sync header-link
  52
  53 header-link:
  54         rm -f include/asm include-compat/asm
  55         ln -sf asm-$(ARCH_DIR) include/asm
  56         ln -sf asm-$(ARCH_DIR) include-compat/asm
  57
  58 T = $(subst -sync,,$@)-tmp
  59
  60 headers-old = $(LINUX)/./include/asm-$(ARCH_DIR)/kvm*.h
  61 headers-new = $(LINUX)/arch/$(ARCH_DIR)/include/asm/./kvm*.h \
  62         $(LINUX)/arch/$(ARCH_DIR)/include/asm/./vmx*.h \
  63         $(LINUX)/arch/$(ARCH_DIR)/include/asm/./svm*.h \
  64         $(LINUX)/arch/$(ARCH_DIR)/include/asm/./virtext*.h
  65
  66 header-sync:
  67         rm -rf $T
  68         rsync -R -L \
  69              "$(LINUX)"/./include/linux/kvm*.h \
  70              $(if $(wildcard $(headers-old)), $(headers-old)) \
  71              $T/
  72         $(if $(wildcard $(headers-new)), \
  73         rsync -R -L \
  74              $(wildcard $(headers-new)) \
  75              $T/include/asm-$(ARCH_DIR)/)
  76
  77         for i in $$(find $T -name '*.h'); do \
  78                 $(call unifdef,$$i); done
  79         $(call hack, include/linux/kvm.h)
  80         $(call hack, include/asm-$(ARCH_DIR)/kvm.h)
  81         set -e && for i in $$(find $T -type f -printf '%P '); \
  82                 do mkdir -p $$(dirname $$i); cmp -s $$i $T/$$i || cp $T/$$i $$i; done
  83         rm -rf $T
  84
  85 source-sync:
  86         rm -rf $T
  87         rsync --exclude='*.mod.c' -R \
  88              "$(LINUX)"/arch/$(ARCH_DIR)/kvm/./*.[cSh] \
  89              "$(LINUX)"/virt/kvm/./*.[cSh] \
  90              $T/
  91
  92         for i in $$(find $T -name '*.c'); do \
  93                 $(call unifdef,$$i); done
  94
  95         for i in $(hack-files); \
  96                 do $(call hack, $$i); done
  97
  98         for i in $$(find $T -type f -printf '%P '); \
  99                 do cmp -s $(ARCH_DIR)/$$i $T/$$i || cp $T/$$i $(ARCH_DIR)/$$i; done
 100         rm -rf $T
 101
 102 include $(MAKEFILE_PRE)
 103
 104 install:
 105         mkdir -p $(DESTDIR)/$(INSTALLDIR)
 106         cp $(ARCH_DIR)/*.ko $(DESTDIR)/$(INSTALLDIR)
 107         for i in $(ORIGMODDIR)/drivers/kvm/*.ko \
 108                  $(ORIGMODDIR)/arch/$(ARCH_DIR)/kvm/*.ko; do \
 109                 if [ -f "$$i" ]; then mv "$$i" "$$i.orig"; fi; \
 110         done
 111         /sbin/depmod -a $(DEPMOD_VERSION)
 112
 113 tmpspec = .tmp.kvm-kmod.spec
 114
 115 rpm-topdir := $$(pwd)/../rpmtop
 116
 117 RPMDIR = $(rpm-topdir)/RPMS
 118
 119 rpm:    all
 120         mkdir -p $(rpm-topdir)/BUILD $(RPMDIR)/$$(uname -i)
 121         sed 's/^Release:.*/Release: $(rpmrelease)/; s/^%define kverrel.*/%define kverrel $(KVERREL)/' \
 122              kvm-kmod.spec > $(tmpspec)
 123         rpmbuild --define="kverrel $(KVERREL)" \
 124                  --define="objdir $$(pwd)/$(ARCH_DIR)" \
 125                  --define="_rpmdir $(RPMDIR)" \
 126                  --define="_topdir $(rpm-topdir)" \
 127                 -bb $(tmpspec)
 128
 129 clean:
 130         $(MAKE) -C $(KERNELDIR) M=`pwd` $@