meson: infrastructure for building emulators

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-02-03 11:42:03 +01:00
parent d3b1848096
commit 2becc36a3e
16 changed files with 192 additions and 102 deletions

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@ -121,8 +121,6 @@ include $(SRC_PATH)/rules.mak
# lor is defined in rules.mak
CONFIG_BLOCK := $(call lor,$(CONFIG_SOFTMMU),$(CONFIG_TOOLS))
generated-files-y = config-host.h
generated-files-y += module_block.h
generated-files-y += target/s390x/gen-features.h
target/s390x/gen-features.h: Makefile.ninja
@ -178,65 +176,6 @@ DOCS=
endif
SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory --quiet) BUILD_DIR=$(BUILD_DIR)
SUBDIR_DEVICES_MAK=$(patsubst %, %/config-devices.mak, $(filter %-softmmu, $(TARGET_DIRS)))
SUBDIR_DEVICES_MAK_DEP=$(patsubst %, %.d, $(SUBDIR_DEVICES_MAK))
ifeq ($(SUBDIR_DEVICES_MAK),)
config-all-devices.mak: config-host.mak
$(call quiet-command,echo '# no devices' > $@,"GEN","$@")
else
config-all-devices.mak: $(SUBDIR_DEVICES_MAK) config-host.mak
$(call quiet-command, sed -n \
's|^\([^=]*\)=\(.*\)$$|\1:=$$(findstring y,$$(\1)\2)|p' \
$(SUBDIR_DEVICES_MAK) | sort -u > $@, \
"GEN","$@")
endif
-include $(SUBDIR_DEVICES_MAK_DEP)
# This has to be kept in sync with Kconfig.host.
MINIKCONF_ARGS = \
$(CONFIG_MINIKCONF_MODE) \
$@ $*/config-devices.mak.d $< $(SRC_PATH)/Kconfig \
CONFIG_TCG=$(CONFIG_TCG) \
CONFIG_KVM=$(CONFIG_KVM) \
CONFIG_SPICE=$(CONFIG_SPICE) \
CONFIG_IVSHMEM=$(CONFIG_IVSHMEM) \
CONFIG_TPM=$(CONFIG_TPM) \
CONFIG_XEN=$(CONFIG_XEN) \
CONFIG_OPENGL=$(CONFIG_OPENGL) \
CONFIG_X11=$(CONFIG_X11) \
CONFIG_VHOST_USER=$(CONFIG_VHOST_USER) \
CONFIG_VHOST_KERNEL=$(CONFIG_VHOST_KERNEL) \
CONFIG_VIRTFS=$(CONFIG_VIRTFS) \
CONFIG_LINUX=$(CONFIG_LINUX) \
CONFIG_PVRDMA=$(CONFIG_PVRDMA)
MINIKCONF = $(PYTHON) $(SRC_PATH)/scripts/minikconf.py
$(SUBDIR_DEVICES_MAK): %/config-devices.mak: default-configs/%.mak $(SRC_PATH)/Kconfig $(BUILD_DIR)/config-host.mak
$(call quiet-command, $(MINIKCONF) $(MINIKCONF_ARGS) \
> $@.tmp, "GEN", "$@.tmp")
$(call quiet-command, if test -f $@; then \
if cmp -s $@.old $@; then \
mv $@.tmp $@; \
cp -p $@ $@.old; \
else \
if test -f $@.old; then \
echo "WARNING: $@ (user modified) out of date.";\
else \
echo "WARNING: $@ out of date.";\
fi; \
echo "Run \"$(MAKE) defconfig\" to regenerate."; \
rm $@.tmp; \
fi; \
else \
mv $@.tmp $@; \
cp -p $@ $@.old; \
fi,"GEN","$@");
defconfig:
rm -f config-all-devices.mak $(SUBDIR_DEVICES_MAK)
ifneq ($(wildcard config-host.mak),)
include $(SRC_PATH)/Makefile.objs
@ -279,10 +218,15 @@ $(SOFTMMU_FUZZ_RULES): $(io-obj-y)
$(SOFTMMU_FUZZ_RULES): config-all-devices.mak
$(SOFTMMU_FUZZ_RULES): $(edk2-decompressed)
# meson: this is sub-optimal but going away after conversion
TARGET_DEPS = $(patsubst %,%-config-target.h, $(TARGET_DIRS))
TARGET_DEPS += $(patsubst %,%-config-devices.h, $(filter %-softmmu,$(TARGET_DIRS)))
TARGET_DEPS += $(patsubst %,libqemu-%.fa, $(TARGET_DIRS))
.PHONY: $(TARGET_DIRS_RULES)
# The $(TARGET_DIRS_RULES) are of the form SUBDIR/GOAL, so that
# $(dir $@) yields the sub-directory, and $(notdir $@) yields the sub-goal
$(TARGET_DIRS_RULES):
$(TARGET_DIRS_RULES): $(TARGET_DEPS)
$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $(dir $@) V="$(V)" TARGET_DIR="$(dir $@)" $(notdir $@),)
# LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC
@ -370,7 +314,6 @@ clean: recurse-clean ninja-clean clean-ctlist
-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean
# avoid old build problems by removing potentially incorrect old files
rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
rm -f qemu-options.def
find . \( -name '*.so' -o -name '*.dll' -o -name '*.mo' -o -name '*.[oda]' \) -type f \
! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \
! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \
@ -379,8 +322,6 @@ clean: recurse-clean ninja-clean clean-ctlist
rm -f $(filter-out %.tlb,$(TOOLS)) $(HELPERS-y) TAGS cscope.* *.pod *~ */*~
rm -f fsdev/*.pod scsi/*.pod
rm -f $(foreach f,$(generated-files-y),$(f) $(f)-timestamp)
rm -f config-all-devices.mak
rm -f $(SUBDIR_DEVICES_MAK)
VERSION ?= $(shell cat VERSION)
@ -398,8 +339,7 @@ distclean: clean ninja-distclean
-test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean -g
rm -f config-host.mak config-host.h* $(DOCS)
rm -f tests/tcg/config-*.mak
rm -f config-all-devices.mak config-all-disas.mak config.status
rm -f $(SUBDIR_DEVICES_MAK)
rm -f config-all-disas.mak config.status
rm -f po/*.mo tests/qemu-iotests/common.env
rm -f roms/seabios/config.mak roms/vgabios/config.mak
rm -f qemu-plugins-ld.symbols qemu-plugins-ld64.symbols

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@ -6,8 +6,10 @@ include ../config-host.mak
include config-target.mak
include $(SRC_PATH)/rules.mak
FULL_TARGET_NAME=$(TARGET_NAME)-$(if $(CONFIG_SOFTMMU),softmmu,linux-user)
ifdef CONFIG_SOFTMMU
include config-devices.mak
include ../$(FULL_TARGET_NAME)-config-devices.mak
endif
$(call set-vpath, $(SRC_PATH):$(BUILD_DIR))
@ -18,6 +20,9 @@ QEMU_CFLAGS += -iquote .. -iquote $(SRC_PATH)/target/$(TARGET_BASE_ARCH) -DNEED_
QEMU_CFLAGS+=-iquote $(SRC_PATH)/include
QEMU_CFLAGS += -DCONFIG_TARGET=\"../$(FULL_TARGET_NAME)-config-target.h\"
QEMU_CFLAGS += -DCONFIG_DEVICES=\"../$(FULL_TARGET_NAME)-config-devices.h\"
ifdef CONFIG_USER_ONLY
# user emulator name
QEMU_PROG=qemu-$(TARGET_NAME)
@ -36,15 +41,10 @@ QEMU_PROG_BUILD = $(QEMU_PROG)
endif
endif
LIBQEMU = ../libqemu-$(FULL_TARGET_NAME).fa
PROGS=$(QEMU_PROG) $(QEMU_PROGW)
STPFILES=
config-target.h: config-target.h-timestamp
config-target.h-timestamp: config-target.mak
config-devices.h: config-devices.h-timestamp
config-devices.h-timestamp: config-devices.mak
ifdef CONFIG_TRACE_SYSTEMTAP
stap: $(QEMU_PROG).stp-installed $(QEMU_PROG).stp $(QEMU_PROG)-simpletrace.stp $(QEMU_PROG)-log.stp
@ -103,6 +103,7 @@ all: $(PROGS) stap
# Dummy command so that make thinks it has done something
@true
obj-y += $(LIBQEMU)
obj-y += trace/
#########################################################
@ -169,7 +170,6 @@ obj-y += hw/$(TARGET_BASE_ARCH)/
endif
generated-files-y += hmp-commands.h hmp-commands-info.h
generated-files-y += config-devices.h
endif # CONFIG_SOFTMMU
@ -210,7 +210,7 @@ all-obj-$(CONFIG_SOFTMMU) += $(crypto-obj-y)
all-obj-$(CONFIG_SOFTMMU) += $(io-obj-y)
ifdef CONFIG_SOFTMMU
$(QEMU_PROG_BUILD): config-devices.mak
$(QEMU_PROG_BUILD): ../$(FULL_TARGET_NAME)-config-devices.mak
endif
COMMON_LDADDS = ../libqemuutil.a
@ -262,5 +262,4 @@ ifdef CONFIG_TRACE_SYSTEMTAP
$(INSTALL_DATA) $(QEMU_PROG)-log.stp "$(DESTDIR)$(qemu_datadir)/../systemtap/tapset/$(QEMU_PROG)-log.stp"
endif
generated-files-y += config-target.h
Makefile: $(generated-files-y)

6
configure vendored
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@ -8169,18 +8169,12 @@ fi
if supported_xen_target $target; then
echo "CONFIG_XEN=y" >> $config_target_mak
echo "$target/config-devices.mak: CONFIG_XEN=y" >> $config_host_mak
if test "$xen_pci_passthrough" = yes; then
echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
fi
else
echo "$target/config-devices.mak: CONFIG_XEN=n" >> $config_host_mak
fi
if supported_kvm_target $target; then
echo "CONFIG_KVM=y" >> $config_target_mak
echo "$target/config-devices.mak: CONFIG_KVM=y" >> $config_host_mak
else
echo "$target/config-devices.mak: CONFIG_KVM=n" >> $config_host_mak
fi
if supported_hax_target $target; then
echo "CONFIG_HAX=y" >> $config_target_mak

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@ -22,7 +22,7 @@
#include "hw/nvram/fw_cfg.h"
#include "e820_memory_layout.h"
#include "kvm_i386.h"
#include "config-devices.h"
#include CONFIG_DEVICES
struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};

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@ -92,10 +92,10 @@
#include "hw/mem/memory-device.h"
#include "sysemu/replay.h"
#include "qapi/qmp/qerror.h"
#include "config-devices.h"
#include "e820_memory_layout.h"
#include "fw_cfg.h"
#include "trace.h"
#include CONFIG_DEVICES
GlobalProperty pc_compat_5_0[] = {
};

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@ -23,7 +23,7 @@
*/
#include "qemu/osdep.h"
#include "config-devices.h"
#include CONFIG_DEVICES
#include "qemu/units.h"
#include "hw/loader.h"

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@ -49,7 +49,7 @@
#include "multiboot.h"
#include "elf.h"
#include "standard-headers/asm-x86/bootparam.h"
#include "config-devices.h"
#include CONFIG_DEVICES
#include "kvm_i386.h"
#define BIOS_FILENAME "bios.bin"

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@ -11,7 +11,7 @@
*/
#include "qemu/osdep.h"
#include "config-devices.h"
#include CONFIG_DEVICES
#include "exec/memop.h"
#include "qemu/units.h"
#include "qemu/error-report.h"

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@ -29,7 +29,7 @@
#include "migration/misc.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "config-devices.h"
#include CONFIG_DEVICES
#include "trace.h"
/*

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@ -29,7 +29,7 @@
#include "config-host.h"
#ifdef NEED_CPU_H
#include "config-target.h"
#include CONFIG_TARGET
#else
#include "exec/poison.h"
#endif

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@ -9,6 +9,7 @@ ss = import('sourceset')
sh = find_program('sh')
cc = meson.get_compiler('c')
config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
config_all_disas = keyval.load(meson.current_build_dir() / 'config-all-disas.mak')
add_project_arguments(config_host['QEMU_CFLAGS'].split(),
native: false, language: ['c', 'objc'])
@ -151,16 +152,96 @@ if 'CONFIG_LIBUDEV' in config_host
libudev = declare_dependency(link_args: config_host['LIBUDEV_LIBS'].split())
endif
create_config = find_program('scripts/create_config')
minikconf = find_program('scripts/minikconf.py')
target_dirs = config_host['TARGET_DIRS'].split()
have_user = false
have_system = false
config_devices_mak_list = []
config_devices_h = {}
config_target_mak = {}
kconfig_external_symbols = [
'CONFIG_KVM',
'CONFIG_XEN',
'CONFIG_TPM',
'CONFIG_SPICE',
'CONFIG_IVSHMEM',
'CONFIG_OPENGL',
'CONFIG_X11',
'CONFIG_VHOST_USER',
'CONFIG_VHOST_KERNEL',
'CONFIG_VIRTFS',
'CONFIG_LINUX',
'CONFIG_PVRDMA',
]
foreach target : target_dirs
have_user = have_user or target.endswith('-user')
have_system = have_system or target.endswith('-softmmu')
config_target = keyval.load(meson.current_build_dir() / target / 'config-target.mak') + config_host
if target.endswith('-softmmu')
have_system = true
base_kconfig = []
foreach sym : kconfig_external_symbols
if sym in config_target
base_kconfig += '@0@=y'.format(sym)
endif
endforeach
config_devices_mak = target + '-config-devices.mak'
config_devices_mak = configure_file(
input: ['default-configs' / target + '.mak', 'Kconfig'],
output: config_devices_mak,
depfile: config_devices_mak + '.d',
capture: true,
command: [minikconf, config_host['CONFIG_MINIKCONF_MODE'],
config_devices_mak, '@DEPFILE@', '@INPUT@',
base_kconfig])
config_devices_h += {target: custom_target(
target + '-config-devices.h',
input: config_devices_mak,
output: target + '-config-devices.h',
capture: true,
command: [create_config, '@INPUT@'])}
config_devices_mak_list += config_devices_mak
config_target += keyval.load(config_devices_mak)
endif
config_target_mak += {target: config_target}
endforeach
have_tools = 'CONFIG_TOOLS' in config_host
have_block = have_system or have_tools
grepy = find_program('scripts/grepy.sh')
# This configuration is used to build files that are shared by
# multiple binaries, and then extracted out of the "common"
# static_library target.
#
# We do not use all_sources()/all_dependencies(), because it would
# build literally all source files, including devices only used by
# targets that are not built for this compilation. The CONFIG_ALL
# pseudo symbol replaces it.
if have_system
config_all_devices_mak = configure_file(
output: 'config-all-devices.mak',
input: config_devices_mak_list,
capture: true,
command: [grepy, '@INPUT@'],
)
config_all_devices = keyval.load(config_all_devices_mak)
else
config_all_devices = {}
endif
config_all = config_all_devices
config_all += config_host
config_all += config_all_disas
config_all += {
'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
'CONFIG_SOFTMMU': have_system,
'CONFIG_USER_ONLY': have_user,
'CONFIG_ALL': true,
}
# Generators
genh = []
@ -202,6 +283,13 @@ qemu_version = custom_target('qemu-version.h',
build_always_stale: true)
genh += qemu_version
config_host_h = custom_target('config-host.h',
input: meson.current_build_dir() / 'config-host.mak',
output: 'config-host.h',
capture: true,
command: [create_config, '@INPUT@'])
genh += config_host_h
hxdep = []
hx_headers = [
['qemu-options.hx', 'qemu-options.def'],
@ -228,6 +316,16 @@ genh += hxdep
util_ss = ss.source_set()
stub_ss = ss.source_set()
trace_ss = ss.source_set()
common_ss = ss.source_set()
softmmu_ss = ss.source_set()
user_ss = ss.source_set()
bsd_user_ss = ss.source_set()
linux_user_ss = ss.source_set()
specific_ss = ss.source_set()
hw_arch = {}
target_arch = {}
target_softmmu_arch = {}
###############
# Trace files #
@ -336,10 +434,10 @@ subdir('ui')
# Build targets from sourcesets
stub_ss = stub_ss.apply(config_host, strict: false)
stub_ss = stub_ss.apply(config_all, strict: false)
util_ss.add_all(trace_ss)
util_ss = util_ss.apply(config_host, strict: false)
util_ss = util_ss.apply(config_all, strict: false)
libqemuutil = static_library('qemuutil',
sources: util_ss.sources() + stub_ss.sources() + genh,
dependencies: [util_ss.dependencies(), m, glib, socket])
@ -350,6 +448,68 @@ subdir('io')
subdir('fsdev')
subdir('target')
common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: softmmu_ss)
common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
common_all = common_ss.apply(config_all, strict: false)
common_all = static_library('common',
build_by_default: false,
sources: common_all.sources() + genh,
dependencies: common_all.dependencies(),
name_suffix: 'fa')
foreach target : target_dirs
config_target = config_target_mak[target]
target_name = config_target['TARGET_NAME']
arch = config_target['TARGET_BASE_ARCH']
arch_srcs = []
target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
if targetos == 'linux'
target_inc += include_directories('linux-headers', is_system: true)
endif
if target.endswith('-softmmu')
qemu_target_name = 'qemu-system-' + target_name
target_type='system'
arch_srcs += config_devices_h[target]
else
target_type='user'
qemu_target_name = 'qemu-' + target_name
if 'CONFIG_LINUX_USER' in config_target
base_dir = 'linux-user'
target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
else
base_dir = 'bsd-user'
endif
target_inc += include_directories(
base_dir,
base_dir / config_target['TARGET_ABI_DIR'],
)
endif
target_common = common_ss.apply(config_target, strict: false)
objects = common_all.extract_objects(target_common.sources())
# TODO: Change to generator once obj-y goes away
config_target_h = custom_target(target + '-config-target.h',
input: meson.current_build_dir() / target / 'config-target.mak',
output: target + '-config-target.h',
capture: true,
command: [create_config, '@INPUT@'])
target_specific = specific_ss.apply(config_target, strict: false)
arch_srcs += target_specific.sources()
static_library('qemu-' + target,
sources: arch_srcs + [config_target_h] + genh,
objects: objects,
include_directories: target_inc,
c_args: ['-DNEED_CPU_H',
'-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
'-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)],
name_suffix: 'fa')
endforeach
# Other build targets
if 'CONFIG_GUEST_AGENT' in config_host
subdir('qga')

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@ -203,14 +203,6 @@ notempty = $(if $1,y,n)
# Generate files with tracetool
TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
# Generate timestamp files for .h include files
config-%.h: config-%.h-timestamp
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
config-%.h-timestamp: config-%.mak $(SRC_PATH)/scripts/create_config
$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@,"GEN","$(TARGET_DIR)config-$*.h")
.PHONY: clean-timestamp
clean-timestamp:
rm -f *.timestamp

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@ -1,5 +1,7 @@
#!/bin/sh
test $# -gt 0 && exec < $1
echo "/* Automatically generated by create_config - do not modify */"
while read line; do

3
scripts/grepy.sh Executable file
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@ -0,0 +1,3 @@
#!/bin/sh
grep -h '=y$' "$@" | sort -u

0
scripts/minikconf.py Executable file → Normal file
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@ -27,7 +27,7 @@
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "qemu/cutils.h"
#include "config-devices.h"
#include CONFIG_DEVICES
#ifdef CONFIG_PSERIES
#include "hw/ppc/spapr_rtas.h"
#endif