blob: 46e4a9d39469ef2bce160a6e971760fd28b3757d [file] [log] [blame]
#
# Define WERROR=0 to disable -Werror.
#
ifeq ($(strip $(V)),)
E = @echo
Q = @
else
E = @\#
Q =
endif
export E Q
include config/utilities.mak
include config/feature-tests.mak
CC := $(CROSS_COMPILE)gcc
CFLAGS :=
LD := $(CROSS_COMPILE)ld
LDFLAGS :=
FIND := find
CSCOPE := cscope
TAGS := ctags
INSTALL := install
prefix = $(HOME)
bindir_relative = bin
bindir = $(prefix)/$(bindir_relative)
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
PROGRAM := lkvm
PROGRAM_ALIAS := vm
GUEST_INIT := guest/init
OBJS += builtin-balloon.o
OBJS += builtin-debug.o
OBJS += builtin-help.o
OBJS += builtin-list.o
OBJS += builtin-stat.o
OBJS += builtin-pause.o
OBJS += builtin-resume.o
OBJS += builtin-run.o
OBJS += builtin-setup.o
OBJS += builtin-stop.o
OBJS += builtin-version.o
OBJS += devices.o
OBJS += disk/core.o
OBJS += framebuffer.o
OBJS += guest_compat.o
OBJS += hw/rtc.o
OBJS += hw/serial.o
OBJS += ioport.o
OBJS += irq.o
OBJS += kvm-cpu.o
OBJS += kvm.o
OBJS += main.o
OBJS += mmio.o
OBJS += pci.o
OBJS += term.o
OBJS += virtio/blk.o
OBJS += virtio/scsi.o
OBJS += virtio/console.o
OBJS += virtio/core.o
OBJS += virtio/net.o
OBJS += virtio/rng.o
OBJS += virtio/balloon.o
OBJS += virtio/pci.o
OBJS += disk/blk.o
OBJS += disk/qcow.o
OBJS += disk/raw.o
OBJS += ioeventfd.o
OBJS += net/uip/core.o
OBJS += net/uip/arp.o
OBJS += net/uip/icmp.o
OBJS += net/uip/ipv4.o
OBJS += net/uip/tcp.o
OBJS += net/uip/udp.o
OBJS += net/uip/buf.o
OBJS += net/uip/csum.o
OBJS += net/uip/dhcp.o
OBJS += kvm-cmd.o
OBJS += util/init.o
OBJS += util/iovec.o
OBJS += util/rbtree.o
OBJS += util/threadpool.o
OBJS += util/parse-options.o
OBJS += util/rbtree-interval.o
OBJS += util/strbuf.o
OBJS += util/read-write.o
OBJS += util/util.o
OBJS += virtio/9p.o
OBJS += virtio/9p-pdu.o
OBJS += hw/vesa.o
OBJS += hw/pci-shmem.o
OBJS += kvm-ipc.o
OBJS += builtin-sandbox.o
OBJS += virtio/mmio.o
OBJS += hw/i8042.o
# Translate uname -m into ARCH string
ARCH ?= $(shell uname -m | sed -e s/i.86/i386/ -e s/ppc.*/powerpc/ \
-e s/armv7.*/arm/ -e s/aarch64.*/arm64/ -e s/mips64/mips/)
ifeq ($(ARCH),i386)
ARCH := x86
DEFINES += -DCONFIG_X86_32
endif
ifeq ($(ARCH),x86_64)
ARCH := x86
DEFINES += -DCONFIG_X86_64
endif
### Arch-specific stuff
#x86
ifeq ($(ARCH),x86)
DEFINES += -DCONFIG_X86
OBJS += x86/boot.o
OBJS += x86/cpuid.o
OBJS += x86/interrupt.o
OBJS += x86/ioport.o
OBJS += x86/irq.o
OBJS += x86/kvm.o
OBJS += x86/kvm-cpu.o
OBJS += x86/mptable.o
# Exclude BIOS object files from header dependencies.
OTHEROBJS += x86/bios.o
OTHEROBJS += x86/bios/bios-rom.o
ARCH_INCLUDE := x86/include
ARCH_HAS_FRAMEBUFFER := y
endif
# POWER/ppc: Actually only support ppc64 currently.
ifeq ($(ARCH), powerpc)
DEFINES += -DCONFIG_PPC
OBJS += powerpc/boot.o
OBJS += powerpc/ioport.o
OBJS += powerpc/irq.o
OBJS += powerpc/kvm.o
OBJS += powerpc/cpu_info.o
OBJS += powerpc/kvm-cpu.o
OBJS += powerpc/spapr_hcall.o
OBJS += powerpc/spapr_rtas.o
OBJS += powerpc/spapr_hvcons.o
OBJS += powerpc/spapr_pci.o
OBJS += powerpc/xics.o
ARCH_INCLUDE := powerpc/include
ARCH_WANT_LIBFDT := y
endif
# ARM
OBJS_ARM_COMMON := arm/fdt.o arm/gic.o arm/ioport.o arm/irq.o \
arm/kvm.o arm/kvm-cpu.o arm/pci.o arm/timer.o
HDRS_ARM_COMMON := arm/include
ifeq ($(ARCH), arm)
DEFINES += -DCONFIG_ARM
OBJS += $(OBJS_ARM_COMMON)
OBJS += arm/aarch32/arm-cpu.o
OBJS += arm/aarch32/kvm-cpu.o
ARCH_INCLUDE := $(HDRS_ARM_COMMON)
ARCH_INCLUDE += -Iarm/aarch32/include
CFLAGS += -march=armv7-a
ARCH_WANT_LIBFDT := y
endif
# ARM64
ifeq ($(ARCH), arm64)
DEFINES += -DCONFIG_ARM64
OBJS += $(OBJS_ARM_COMMON)
OBJS += arm/aarch64/arm-cpu.o
OBJS += arm/aarch64/kvm-cpu.o
ARCH_INCLUDE := $(HDRS_ARM_COMMON)
ARCH_INCLUDE += -Iarm/aarch64/include
ARCH_WANT_LIBFDT := y
endif
ifeq ($(ARCH),mips)
DEFINES += -DCONFIG_MIPS
ARCH_INCLUDE := mips/include
OBJS += mips/kvm.o
OBJS += mips/kvm-cpu.o
OBJS += mips/irq.o
endif
###
ifeq (,$(ARCH_INCLUDE))
$(error This architecture ($(ARCH)) is not supported in kvmtool)
endif
###
# Detect optional features.
# On a given system, some libs may link statically, some may not; so, check
# both and only build those that link!
ifeq ($(call try-build,$(SOURCE_BFD),$(CFLAGS),-lbfd -static),y)
CFLAGS_STATOPT += -DCONFIG_HAS_BFD
OBJS_STATOPT += symbol.o
LIBS_STATOPT += -lbfd
else
NOTFOUND += bfd
endif
ifeq (y,$(ARCH_HAS_FRAMEBUFFER))
CFLAGS_GTK3 := $(shell pkg-config --cflags gtk+-3.0 2>/dev/null)
LDFLAGS_GTK3 := $(shell pkg-config --libs gtk+-3.0 2>/dev/null)
ifeq ($(call try-build,$(SOURCE_GTK3),$(CFLAGS) $(CFLAGS_GTK3),$(LDFLAGS_GTK3)),y)
OBJS_DYNOPT += ui/gtk3.o
CFLAGS_DYNOPT += -DCONFIG_HAS_GTK3 $(CFLAGS_GTK3)
LIBS_DYNOPT += $(LDFLAGS_GTK3)
else
NOTFOUND += GTK3
endif
ifeq ($(call try-build,$(SOURCE_VNCSERVER),$(CFLAGS),-lvncserver),y)
OBJS_DYNOPT += ui/vnc.o
CFLAGS_DYNOPT += -DCONFIG_HAS_VNCSERVER
LIBS_DYNOPT += -lvncserver
else
NOTFOUND += vncserver
endif
ifeq ($(call try-build,$(SOURCE_VNCSERVER),$(CFLAGS),-lvncserver -static),y)
OBJS_STATOPT += ui/vnc.o
CFLAGS_STATOPT += -DCONFIG_HAS_VNCSERVER
LIBS_STATOPT += -lvncserver
endif
ifeq ($(call try-build,$(SOURCE_SDL),$(CFLAGS),-lSDL),y)
OBJS_DYNOPT += ui/sdl.o
CFLAGS_DYNOPT += -DCONFIG_HAS_SDL
LIBS_DYNOPT += -lSDL
else
NOTFOUND += SDL
endif
ifeq ($(call try-build,$(SOURCE_SDL),$(CFLAGS),-lSDL -static), y)
OBJS_STATOPT += ui/sdl.o
CFLAGS_STATOPT += -DCONFIG_HAS_SDL
LIBS_STATOPT += -lSDL
endif
endif
ifeq ($(call try-build,$(SOURCE_ZLIB),$(CFLAGS),-lz),y)
CFLAGS_DYNOPT += -DCONFIG_HAS_ZLIB
LIBS_DYNOPT += -lz
else
NOTFOUND += zlib
endif
ifeq ($(call try-build,$(SOURCE_ZLIB),$(CFLAGS),-lz -static),y)
CFLAGS_STATOPT += -DCONFIG_HAS_ZLIB
LIBS_STATOPT += -lz
endif
ifeq ($(call try-build,$(SOURCE_AIO),$(CFLAGS),-laio),y)
CFLAGS_DYNOPT += -DCONFIG_HAS_AIO
LIBS_DYNOPT += -laio
else
NOTFOUND += aio
endif
ifeq ($(call try-build,$(SOURCE_AIO),$(CFLAGS),-laio -static),y)
CFLAGS_STATOPT += -DCONFIG_HAS_AIO
LIBS_STATOPT += -laio
endif
ifeq ($(LTO),1)
FLAGS_LTO := -flto
ifeq ($(call try-build,$(SOURCE_HELLO),$(CFLAGS),$(FLAGS_LTO)),y)
CFLAGS += $(FLAGS_LTO)
endif
endif
ifneq ($(call try-build,$(SOURCE_STATIC),,-static),y)
$(error No static libc found. Please install glibc-static package.)
endif
ifeq (y,$(ARCH_WANT_LIBFDT))
ifneq ($(call try-build,$(SOURCE_LIBFDT),$(CFLAGS),-lfdt),y)
$(error No libfdt found. Please install libfdt-dev package)
else
CFLAGS_DYNOPT += -DCONFIG_HAS_LIBFDT
CFLAGS_STATOPT += -DCONFIG_HAS_LIBFDT
LIBS_DYNOPT += -lfdt
LIBS_STATOPT += -lfdt
endif
endif
ifneq ($(NOTFOUND),)
$(warning Skipping optional libraries: $(NOTFOUND))
endif
###
LIBS += -lrt
LIBS += -lpthread
LIBS += -lutil
comma = ,
# The dependency file for the current target
depfile = $(subst $(comma),_,$(dir $@).$(notdir $@).d)
DEPS := $(foreach obj,$(OBJS),\
$(subst $(comma),_,$(dir $(obj)).$(notdir $(obj)).d))
DEFINES += -D_FILE_OFFSET_BITS=64
DEFINES += -D_GNU_SOURCE
DEFINES += -DKVMTOOLS_VERSION='"$(KVMTOOLS_VERSION)"'
DEFINES += -DBUILD_ARCH='"$(ARCH)"'
KVM_INCLUDE := include
CFLAGS += $(CPPFLAGS) $(DEFINES) -I$(KVM_INCLUDE) -I$(ARCH_INCLUDE) -O2 -fno-strict-aliasing -g
WARNINGS += -Wall
WARNINGS += -Wformat=2
WARNINGS += -Winit-self
WARNINGS += -Wmissing-declarations
WARNINGS += -Wmissing-prototypes
WARNINGS += -Wnested-externs
WARNINGS += -Wno-system-headers
WARNINGS += -Wold-style-definition
WARNINGS += -Wredundant-decls
WARNINGS += -Wsign-compare
WARNINGS += -Wstrict-prototypes
WARNINGS += -Wundef
WARNINGS += -Wvolatile-register-var
WARNINGS += -Wwrite-strings
CFLAGS += $(WARNINGS)
ifneq ($(WERROR),0)
CFLAGS += -Werror
endif
all: $(PROGRAM) $(PROGRAM_ALIAS) $(GUEST_INIT)
# CFLAGS used when building objects
# This is intentionally not assigned using :=
c_flags = -Wp,-MD,$(depfile) $(CFLAGS)
# When building -static all objects are built with appropriate flags, which
# may differ between static & dynamic .o. The objects are separated into
# .o and .static.o. See the %.o: %.c rules below.
#
# $(OTHEROBJS) are things that do not get substituted like this.
#
STATIC_OBJS = $(patsubst %.o,%.static.o,$(OBJS) $(OBJS_STATOPT))
GUEST_OBJS = guest/guest_init.o
$(PROGRAM)-static: $(STATIC_OBJS) $(OTHEROBJS) $(GUEST_INIT)
$(E) " LINK " $@
$(Q) $(CC) -static $(CFLAGS) $(STATIC_OBJS) $(OTHEROBJS) $(GUEST_OBJS) $(LIBS) $(LIBS_STATOPT) -o $@
$(PROGRAM): $(OBJS) $(OBJS_DYNOPT) $(OTHEROBJS) $(GUEST_INIT)
$(E) " LINK " $@
$(Q) $(CC) $(CFLAGS) $(OBJS) $(OBJS_DYNOPT) $(OTHEROBJS) $(GUEST_OBJS) $(LIBS) $(LIBS_DYNOPT) -o $@
$(PROGRAM_ALIAS): $(PROGRAM)
$(E) " LN " $@
$(Q) ln -f $(PROGRAM) $@
$(GUEST_INIT): guest/init.c
$(E) " LINK " $@
$(Q) $(CC) -static guest/init.c -o $@
$(Q) $(LD) $(LDFLAGS) -r -b binary -o guest/guest_init.o $(GUEST_INIT)
%.s: %.c
$(Q) $(CC) -o $@ -S $(CFLAGS) -fverbose-asm $<
# The header file common-cmds.h is needed for compilation of builtin-help.c.
builtin-help.static.o builtin-help.o: $(KVM_INCLUDE)/common-cmds.h
$(OBJS):
util/rbtree.static.o util/rbtree.o: util/rbtree.c
ifeq ($(C),1)
$(E) " CHECK " $@
$(Q) $(CHECK) -c $(CFLAGS) $< -o $@
endif
$(E) " CC " $@
$(Q) $(CC) -c $(c_flags) $< -o $@
%.static.o: %.c
ifeq ($(C),1)
$(E) " CHECK " $@
$(Q) $(CHECK) -c $(CFLAGS) $(CFLAGS_STATOPT) $< -o $@
endif
$(E) " CC " $@
$(Q) $(CC) -c $(c_flags) $(CFLAGS_STATOPT) $< -o $@
%.o: %.c
ifeq ($(C),1)
$(E) " CHECK " $@
$(Q) $(CHECK) -c $(CFLAGS) $(CFLAGS_DYNOPT) $< -o $@
endif
$(E) " CC " $@
$(Q) $(CC) -c $(c_flags) $(CFLAGS_DYNOPT) $< -o $@
$(KVM_INCLUDE)/common-cmds.h: util/generate-cmdlist.sh command-list.txt
$(KVM_INCLUDE)/common-cmds.h: $(wildcard Documentation/kvm-*.txt)
$(E) " GEN " $@
$(Q) util/generate-cmdlist.sh > $@+ && mv $@+ $@
#
# BIOS assembly weirdness
#
BIOS_CFLAGS += -m32
BIOS_CFLAGS += -march=i386
BIOS_CFLAGS += -mregparm=3
BIOS_CFLAGS += -fno-stack-protector
x86/bios.o: x86/bios/bios.bin x86/bios/bios-rom.h
x86/bios/bios.bin.elf: x86/bios/entry.S x86/bios/e820.c x86/bios/int10.c x86/bios/int15.c x86/bios/rom.ld.S
$(E) " CC x86/bios/memcpy.o"
$(Q) $(CC) -include code16gcc.h $(CFLAGS) $(BIOS_CFLAGS) -c x86/bios/memcpy.c -o x86/bios/memcpy.o
$(E) " CC x86/bios/e820.o"
$(Q) $(CC) -include code16gcc.h $(CFLAGS) $(BIOS_CFLAGS) -c x86/bios/e820.c -o x86/bios/e820.o
$(E) " CC x86/bios/int10.o"
$(Q) $(CC) -include code16gcc.h $(CFLAGS) $(BIOS_CFLAGS) -c x86/bios/int10.c -o x86/bios/int10.o
$(E) " CC x86/bios/int15.o"
$(Q) $(CC) -include code16gcc.h $(CFLAGS) $(BIOS_CFLAGS) -c x86/bios/int15.c -o x86/bios/int15.o
$(E) " CC x86/bios/entry.o"
$(Q) $(CC) $(CFLAGS) $(BIOS_CFLAGS) -c x86/bios/entry.S -o x86/bios/entry.o
$(E) " LD " $@
$(Q) $(LD) -T x86/bios/rom.ld.S -o x86/bios/bios.bin.elf x86/bios/memcpy.o x86/bios/entry.o x86/bios/e820.o x86/bios/int10.o x86/bios/int15.o
x86/bios/bios.bin: x86/bios/bios.bin.elf
$(E) " OBJCOPY " $@
$(Q) objcopy -O binary -j .text x86/bios/bios.bin.elf x86/bios/bios.bin
x86/bios/bios-rom.o: x86/bios/bios-rom.S x86/bios/bios.bin x86/bios/bios-rom.h
$(E) " CC " $@
$(Q) $(CC) -c $(CFLAGS) x86/bios/bios-rom.S -o x86/bios/bios-rom.o
x86/bios/bios-rom.h: x86/bios/bios.bin.elf
$(E) " NM " $@
$(Q) cd x86/bios && sh gen-offsets.sh > bios-rom.h && cd ..
check: all
$(MAKE) -C tests
./$(PROGRAM) run tests/pit/tick.bin
./$(PROGRAM) run -d tests/boot/boot_test.iso -p "init=init"
.PHONY: check
install: all
$(E) " INSTALL"
$(Q) $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
$(Q) $(INSTALL) $(PROGRAM) '$(DESTDIR_SQ)$(bindir_SQ)'
.PHONY: install
clean:
$(E) " CLEAN"
$(Q) rm -f x86/bios/*.bin
$(Q) rm -f x86/bios/*.elf
$(Q) rm -f x86/bios/*.o
$(Q) rm -f x86/bios/bios-rom.h
$(Q) rm -f tests/boot/boot_test.iso
$(Q) rm -rf tests/boot/rootfs/
$(Q) rm -f $(DEPS) $(OBJS) $(OTHEROBJS) $(OBJS_DYNOPT) $(STATIC_OBJS) $(PROGRAM) $(PROGRAM_ALIAS) $(PROGRAM)-static $(GUEST_INIT) $(GUEST_OBJS)
$(Q) rm -f cscope.*
$(Q) rm -f tags
$(Q) rm -f TAGS
$(Q) rm -f $(KVM_INCLUDE)/common-cmds.h
$(Q) rm -f KVMTOOLS-VERSION-FILE
.PHONY: clean
KVM_DEV ?= /dev/kvm
$(KVM_DEV):
$(E) " MKNOD " $@
$(Q) mknod $@ char 10 232
devices: $(KVM_DEV)
.PHONY: devices
TAGS:
$(E) " GEN" $@
$(Q) $(RM) -f TAGS
$(Q) $(FIND) . -name '*.[hcS]' -print | xargs etags -a
.PHONY: TAGS
tags:
$(E) " GEN" $@
$(Q) $(RM) -f tags
$(Q) $(FIND) . -name '*.[hcS]' -print | xargs ctags -a
.PHONY: tags
cscope:
$(E) " GEN" $@
$(Q) $(FIND) . -name '*.[hcS]' -print > cscope.files
$(Q) $(CSCOPE) -bkqu
.PHONY: cscope
#
# Escape redundant work on cleaning up
ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
KVMTOOLS-VERSION-FILE:
@$(SHELL_PATH) util/KVMTOOLS-VERSION-GEN $(OUTPUT)
-include $(OUTPUT)KVMTOOLS-VERSION-FILE
endif