cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

Makefile (7872B)


      1# SPDX-License-Identifier: GPL-2.0
      2# ===========================================================================
      3# Kernel configuration targets
      4# These targets are used from top-level makefile
      5
      6ifdef KBUILD_KCONFIG
      7Kconfig := $(KBUILD_KCONFIG)
      8else
      9Kconfig := Kconfig
     10endif
     11
     12ifndef KBUILD_DEFCONFIG
     13KBUILD_DEFCONFIG := defconfig
     14endif
     15
     16ifeq ($(quiet),silent_)
     17silent := -s
     18endif
     19
     20export KCONFIG_DEFCONFIG_LIST :=
     21ifndef cross_compiling
     22kernel-release := $(shell uname -r)
     23KCONFIG_DEFCONFIG_LIST += \
     24	/lib/modules/$(kernel-release)/.config \
     25	/etc/kernel-config \
     26	/boot/config-$(kernel-release)
     27endif
     28KCONFIG_DEFCONFIG_LIST += arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)
     29
     30# We need this, in case the user has it in its environment
     31unexport CONFIG_
     32
     33config-prog	:= conf
     34menuconfig-prog	:= mconf
     35nconfig-prog	:= nconf
     36gconfig-prog	:= gconf
     37xconfig-prog	:= qconf
     38
     39define config_rule
     40PHONY += $(1)
     41$(1): $(obj)/$($(1)-prog)
     42	$(Q)$$< $(silent) $(Kconfig)
     43
     44PHONY += build_$(1)
     45build_$(1): $(obj)/$($(1)-prog)
     46endef
     47
     48$(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rule,$(c))))
     49
     50PHONY += localmodconfig localyesconfig
     51localyesconfig localmodconfig: $(obj)/conf
     52	$(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
     53	$(Q)if [ -f .config ]; then 				\
     54		cmp -s .tmp.config .config ||			\
     55		(mv -f .config .config.old.1;			\
     56		 mv -f .tmp.config .config;			\
     57		 $< $(silent) --oldconfig $(Kconfig);		\
     58		 mv -f .config.old.1 .config.old)		\
     59	else							\
     60		mv -f .tmp.config .config;			\
     61		$< $(silent) --oldconfig $(Kconfig);		\
     62	fi
     63	$(Q)rm -f .tmp.config
     64
     65# These targets map 1:1 to the commandline options of 'conf'
     66#
     67# Note:
     68#  syncconfig has become an internal implementation detail and is now
     69#  deprecated for external use
     70simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
     71	alldefconfig randconfig listnewconfig olddefconfig syncconfig \
     72	helpnewconfig yes2modconfig mod2yesconfig mod2noconfig
     73
     74PHONY += $(simple-targets)
     75
     76$(simple-targets): $(obj)/conf
     77	$(Q)$< $(silent) --$@ $(Kconfig)
     78
     79PHONY += savedefconfig defconfig
     80
     81savedefconfig: $(obj)/conf
     82	$(Q)$< $(silent) --$@=defconfig $(Kconfig)
     83
     84defconfig: $(obj)/conf
     85ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
     86	@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
     87	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
     88else
     89	@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
     90	$(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
     91endif
     92
     93%_defconfig: $(obj)/conf
     94	$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
     95
     96configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
     97
     98%.config: $(obj)/conf
     99	$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
    100	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
    101	$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
    102
    103PHONY += tinyconfig
    104tinyconfig:
    105	$(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig
    106	$(Q)$(MAKE) -f $(srctree)/Makefile tiny.config
    107
    108# CHECK: -o cache_dir=<path> working?
    109PHONY += testconfig
    110testconfig: $(obj)/conf
    111	$(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
    112	-o cache_dir=$(abspath $(obj)/tests/.cache) \
    113	$(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
    114clean-files += tests/.cache
    115
    116# Help text used by make help
    117help:
    118	@echo  '  config	  - Update current config utilising a line-oriented program'
    119	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
    120	@echo  '  menuconfig	  - Update current config utilising a menu based program'
    121	@echo  '  xconfig	  - Update current config utilising a Qt based front-end'
    122	@echo  '  gconfig	  - Update current config utilising a GTK+ based front-end'
    123	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
    124	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
    125	@echo  '                    except those preserved by LMC_KEEP environment variable'
    126	@echo  '  localyesconfig  - Update current config converting local mods to core'
    127	@echo  '                    except those preserved by LMC_KEEP environment variable'
    128	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
    129	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
    130	@echo  '  allnoconfig	  - New config where all options are answered with no'
    131	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
    132	@echo  '  allmodconfig	  - New config selecting modules when possible'
    133	@echo  '  alldefconfig    - New config with all symbols set to default'
    134	@echo  '  randconfig	  - New config with random answer to all options'
    135	@echo  '  yes2modconfig	  - Change answers from yes to mod if possible'
    136	@echo  '  mod2yesconfig	  - Change answers from mod to yes if possible'
    137	@echo  '  mod2noconfig	  - Change answers from mod to no if possible'
    138	@echo  '  listnewconfig   - List new options'
    139	@echo  '  helpnewconfig   - List new options and help text'
    140	@echo  '  olddefconfig	  - Same as oldconfig but sets new symbols to their'
    141	@echo  '                    default value without prompting'
    142	@echo  '  tinyconfig	  - Configure the tiniest possible kernel'
    143	@echo  '  testconfig	  - Run Kconfig unit tests (requires python3 and pytest)'
    144
    145# ===========================================================================
    146# object files used by all kconfig flavours
    147common-objs	:= confdata.o expr.o lexer.lex.o menu.o parser.tab.o \
    148		   preprocess.o symbol.o util.o
    149
    150$(obj)/lexer.lex.o: $(obj)/parser.tab.h
    151HOSTCFLAGS_lexer.lex.o	:= -I $(srctree)/$(src)
    152HOSTCFLAGS_parser.tab.o	:= -I $(srctree)/$(src)
    153
    154# conf: Used for defconfig, oldconfig and related targets
    155hostprogs	+= conf
    156conf-objs	:= conf.o $(common-objs)
    157
    158# nconf: Used for the nconfig target based on ncurses
    159hostprogs	+= nconf
    160nconf-objs	:= nconf.o nconf.gui.o $(common-objs)
    161
    162HOSTLDLIBS_nconf	= $(shell . $(obj)/nconf-cfg && echo $$libs)
    163HOSTCFLAGS_nconf.o	= $(shell . $(obj)/nconf-cfg && echo $$cflags)
    164HOSTCFLAGS_nconf.gui.o	= $(shell . $(obj)/nconf-cfg && echo $$cflags)
    165
    166$(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
    167
    168# mconf: Used for the menuconfig target based on lxdialog
    169hostprogs	+= mconf
    170lxdialog	:= $(addprefix lxdialog/, \
    171		     checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
    172mconf-objs	:= mconf.o $(lxdialog) $(common-objs)
    173
    174HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
    175$(foreach f, mconf.o $(lxdialog), \
    176  $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
    177
    178$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
    179
    180# qconf: Used for the xconfig target based on Qt
    181hostprogs	+= qconf
    182qconf-cxxobjs	:= qconf.o qconf-moc.o
    183qconf-objs	:= images.o $(common-objs)
    184
    185HOSTLDLIBS_qconf	= $(shell . $(obj)/qconf-cfg && echo $$libs)
    186HOSTCXXFLAGS_qconf.o	= $(shell . $(obj)/qconf-cfg && echo $$cflags)
    187HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
    188
    189$(obj)/qconf.o: $(obj)/qconf-cfg
    190
    191quiet_cmd_moc = MOC     $@
    192      cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@
    193
    194$(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE
    195	$(call if_changed,moc)
    196
    197targets += qconf-moc.cc
    198
    199# gconf: Used for the gconfig target based on GTK+
    200hostprogs	+= gconf
    201gconf-objs	:= gconf.o images.o $(common-objs)
    202
    203HOSTLDLIBS_gconf    = $(shell . $(obj)/gconf-cfg && echo $$libs)
    204HOSTCFLAGS_gconf.o  = $(shell . $(obj)/gconf-cfg && echo $$cflags)
    205
    206$(obj)/gconf.o: $(obj)/gconf-cfg
    207
    208# check if necessary packages are available, and configure build flags
    209filechk_conf_cfg = $(CONFIG_SHELL) $<
    210
    211$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
    212	$(call filechk,conf_cfg)
    213
    214clean-files += *conf-cfg