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Kevin O'Connor14458432009-05-23 18:21:18 -04001# SeaBIOS build system
Kevin O'Connorf076a3e2008-02-25 22:25:15 -05002#
Kevin O'Connor36feea92012-02-11 10:49:45 -05003# Copyright (C) 2008-2012 Kevin O'Connor <kevin@koconnor.net>
Kevin O'Connorf076a3e2008-02-25 22:25:15 -05004#
Kevin O'Connorb1b7c2a2009-01-15 20:52:58 -05005# This file may be distributed under the terms of the GNU LGPLv3 license.
Kevin O'Connorf076a3e2008-02-25 22:25:15 -05006
7# Output directory
8OUT=out/
9
10# Source files
Kevin O'Connord2deae22011-10-01 10:43:48 -040011SRCBOTH=misc.c stacks.c pmm.c output.c util.c block.c floppy.c ata.c mouse.c \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050012 kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \
13 pnpbios.c pirtable.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \
14 usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \
Gerd Hoffmanne53e30d2012-07-20 10:59:24 +020015 virtio-ring.c virtio-pci.c virtio-blk.c virtio-scsi.c apm.c ahci.c \
Gerd Hoffmann9d6bac12012-07-20 10:59:25 +020016 usb-uas.c lsi-scsi.c
Kevin O'Connor244caf82010-09-15 21:48:16 -040017SRC16=$(SRCBOTH) system.c disk.c font.c
Kevin O'Connor52a300f2009-12-26 23:32:57 -050018SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050019 acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \
20 lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c \
Kevin O'Connor59d6ca52012-05-31 00:20:55 -040021 biostables.c xen.c bmp.c romfile.c
Kevin O'Connor9c447c32010-05-23 10:24:22 -040022SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050023
Kevin O'Connor36feea92012-02-11 10:49:45 -050024# Default compiler flags
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050025cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
26 ; then echo "$(2)"; else echo "$(3)"; fi ;)
Kevin O'Connor786502d2008-02-27 10:41:41 -050027
Kevin O'Connor36feea92012-02-11 10:49:45 -050028COMMONCFLAGS = -I$(OUT) -Os -MD -g \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050029 -Wall -Wno-strict-aliasing -Wold-style-definition \
30 $(call cc-option,$(CC),-Wtype-limits,) \
31 -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \
Kevin O'Connor42902412012-03-05 17:39:32 -050032 -minline-all-stringops \
Kevin O'Connor9887ecb2011-12-18 10:51:19 -050033 -freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050034 -ffunction-sections -fdata-sections -fno-common
Kevin O'Connor786502d2008-02-27 10:41:41 -050035COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
36COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
37COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
38
Kevin O'Connor36feea92012-02-11 10:49:45 -050039CFLAGS32FLAT = $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0 -fomit-frame-pointer
Kevin O'Connor871e0a02009-12-30 12:14:53 -050040CFLAGSSEG = $(COMMONCFLAGS) -DMODESEGMENT=1 -fno-defer-pop \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050041 $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \
42 $(call cc-option,$(CC),-fno-tree-switch-conversion,)
Kevin O'Connor36feea92012-02-11 10:49:45 -050043CFLAGS32SEG = $(CFLAGSSEG) -DMODE16=0 -fomit-frame-pointer
44CFLAGS16INC = $(CFLAGSSEG) -DMODE16=1 -Wa,src/code16gcc.s \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050045 $(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline)
Kevin O'Connor36feea92012-02-11 10:49:45 -050046CFLAGS16 = $(CFLAGS16INC) -fomit-frame-pointer
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050047
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050048# Run with "make V=1" to see the actual compile commands
49ifdef V
50Q=
51else
52Q=@
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -050053MAKEFLAGS += --no-print-directory
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050054endif
55
Kevin O'Connora7fc8152012-01-15 01:52:27 -050056# Common command definitions
57export HOSTCC := $(CC)
58export CONFIG_SHELL := sh
59export KCONFIG_AUTOHEADER := autoconf.h
60export KCONFIG_CONFIG := $(CURDIR)/.config
Kevin O'Connor35f42dc2012-03-05 17:45:55 -050061AS=as
Kevin O'Connor2fc90bd2008-11-07 21:42:00 -050062OBJCOPY=objcopy
Kevin O'Connor202024a2009-01-17 10:41:28 -050063OBJDUMP=objdump
Kevin O'Connor2fc90bd2008-11-07 21:42:00 -050064STRIP=strip
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -050065PYTHON=python
Marc Jones74f96122012-04-29 11:20:53 -060066IASL:=iasl
Kevin O'Connor2fc90bd2008-11-07 21:42:00 -050067
Kevin O'Connora7fc8152012-01-15 01:52:27 -050068# Default targets
69-include $(KCONFIG_CONFIG)
70
71target-y = $(OUT) $(OUT)bios.bin
72target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin
73
74all: $(target-y)
75
76# Make definitions
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -050077.PHONY : all clean distclean FORCE
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050078
Kevin O'Connor1f2c3072009-05-06 23:35:59 -040079vpath %.c src vgasrc
80vpath %.S src vgasrc
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050081
Kevin O'Connor36feea92012-02-11 10:49:45 -050082
83################ Common build rules
Kevin O'Connor410680b2008-03-02 20:48:35 -050084
Kevin O'Connor51d6ba32012-05-30 21:31:42 -040085# Verify the build environment works.
86TESTGCC:=$(shell CC="$(CC)" LD="$(LD)" IASL="$(IASL)" tools/test-build.sh)
Kevin O'Connor03f630e2009-03-26 20:45:36 -040087ifeq "$(TESTGCC)" "-1"
Kevin O'Connor51d6ba32012-05-30 21:31:42 -040088$(error "Please upgrade the build environment")
Kevin O'Connor03f630e2009-03-26 20:45:36 -040089endif
90
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040091ifndef COMPSTRAT
92COMPSTRAT=$(TESTGCC)
Kevin O'Connor231f7102009-01-25 16:11:27 -050093endif
94
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040095# Do a whole file compile - three methods are supported.
96ifeq "$(COMPSTRAT)" "1"
97# First method - use -fwhole-program without -combine.
98define whole-compile
99@echo " Compiling whole program $3"
100$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
101$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3
102endef
Kevin O'Connord82a1ca2009-06-17 20:33:41 -0400103else
104ifeq "$(COMPSTRAT)" "2"
Kevin O'Connor0942e7f2009-06-15 22:27:01 -0400105# Second menthod - don't use -fwhole-program at all.
Kevin O'Connor410680b2008-03-02 20:48:35 -0500106define whole-compile
107@echo " Compiling whole program $3"
Kevin O'Connor86cebee2008-11-06 18:57:10 -0500108$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
Kevin O'Connor410680b2008-03-02 20:48:35 -0500109$(Q)$(CC) $1 -c $3.tmp.c -o $3
110endef
111else
Kevin O'Connor0942e7f2009-06-15 22:27:01 -0400112# Third (and preferred) method - use -fwhole-program with -combine
Kevin O'Connor410680b2008-03-02 20:48:35 -0500113define whole-compile
114@echo " Compiling whole program $3"
Kevin O'Connor0942e7f2009-06-15 22:27:01 -0400115$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3
Kevin O'Connor410680b2008-03-02 20:48:35 -0500116endef
117endif
Kevin O'Connord82a1ca2009-06-17 20:33:41 -0400118endif
Kevin O'Connor410680b2008-03-02 20:48:35 -0500119
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400120%.strip.o: %.o
121 @echo " Stripping $@"
122 $(Q)$(STRIP) $< -o $@
Kevin O'Connor410680b2008-03-02 20:48:35 -0500123
Kevin O'Connor30853762009-01-17 18:49:20 -0500124$(OUT)%.s: %.c
Kevin O'Connor9e821222008-12-06 18:56:19 -0500125 @echo " Compiling to assembler $@"
Kevin O'Connor36feea92012-02-11 10:49:45 -0500126 $(Q)$(CC) $(CFLAGS16) -S -c $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500127
128$(OUT)%.lds: %.lds.S
Kevin O'Connor9e821222008-12-06 18:56:19 -0500129 @echo " Precompiling $@"
Kevin O'Connord9a8b2d2008-11-16 09:17:02 -0500130 $(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500131
Kevin O'Connor36feea92012-02-11 10:49:45 -0500132
133################ Main BIOS build rules
134
Kevin O'Connor713be892011-01-26 21:19:25 -0500135$(OUT)asm-offsets.s: $(OUT)autoconf.h
136
Kevin O'Connor30853762009-01-17 18:49:20 -0500137$(OUT)asm-offsets.h: $(OUT)asm-offsets.s
Kevin O'Connor952974e2008-11-16 18:14:33 -0500138 @echo " Generating offset file $@"
139 $(Q)./tools/gen-offsets.sh $< $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500140
Kevin O'Connor36feea92012-02-11 10:49:45 -0500141$(OUT)ccode16.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16), $(addprefix src/, $(SRC16)),$@)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500142
Kevin O'Connor713be892011-01-26 21:19:25 -0500143$(OUT)code32seg.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500144
Kevin O'Connor713be892011-01-26 21:19:25 -0500145$(OUT)ccode32flat.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400146
Kevin O'Connor36feea92012-02-11 10:49:45 -0500147$(OUT)romlayout.o: romlayout.S $(OUT)asm-offsets.h
Kevin O'Connor9e821222008-12-06 18:56:19 -0500148 @echo " Compiling (16bit) $@"
Kevin O'Connor36feea92012-02-11 10:49:45 -0500149 $(Q)$(CC) $(CFLAGS16) -c -D__ASSEMBLY__ $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500150
Kevin O'Connor36feea92012-02-11 10:49:45 -0500151$(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)ccode16.o $(OUT)romlayout.o tools/layoutrom.py
Kevin O'Connor980b45a2012-03-24 11:42:53 -0400152 @echo " Building ld scripts"
153 $(Q)./tools/buildversion.sh $(OUT)version.c
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500154 $(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o
Kevin O'Connor52a300f2009-12-26 23:32:57 -0500155 $(Q)$(LD) -melf_i386 -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o
Kevin O'Connor36feea92012-02-11 10:49:45 -0500156 $(Q)$(LD) -melf_i386 -r $(OUT)ccode16.o $(OUT)romlayout.o -o $(OUT)code16.o
Kevin O'Connor52a300f2009-12-26 23:32:57 -0500157 $(Q)$(OBJDUMP) -thr $(OUT)code32flat.o > $(OUT)code32flat.o.objdump
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500158 $(Q)$(OBJDUMP) -thr $(OUT)code32seg.o > $(OUT)code32seg.o.objdump
Kevin O'Connore6caca82009-07-13 20:31:35 -0400159 $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -0500160 $(Q)$(PYTHON) ./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds
Kevin O'Connor202024a2009-01-17 10:41:28 -0500161
Stefan Reinauer32aa9f32011-01-27 18:39:01 -0800162# These are actually built by tools/layoutrom.py above, but by pulling them
163# into an extra rule we prevent make -j from spawning layoutrom.py 4 times.
Kevin O'Connor36feea92012-02-11 10:49:45 -0500164$(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o $(OUT)code16.o: $(OUT)romlayout16.lds
Kevin O'Connor202024a2009-01-17 10:41:28 -0500165
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400166$(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds
167 @echo " Linking $@"
168 $(Q)$(LD) -T $(OUT)romlayout16.lds $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500169
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500170$(OUT)rom32seg.o: $(OUT)code32seg.o $(OUT)romlayout32seg.lds
Kevin O'Connor114592f2009-09-28 21:32:08 -0400171 @echo " Linking $@"
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400172 $(Q)$(LD) -T $(OUT)romlayout32seg.lds $< -o $@
173
174$(OUT)rom.o: $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds
175 @echo " Linking $@"
176 $(Q)$(LD) -T $(OUT)romlayout32flat.lds $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500177
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400178$(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py
Kevin O'Connor9bcc5272008-07-05 21:08:56 -0400179 @echo " Prepping $@"
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400180 $(Q)$(OBJDUMP) -thr $< > $<.objdump
181 $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -0500182 $(Q)$(PYTHON) ./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin
Kevin O'Connor3a337b22009-11-03 19:50:52 -0500183 $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf
Kevin O'Connor2fda7cb2008-07-05 20:41:53 -0400184
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500185
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400186################ VGA build rules
187
188# VGA src files
Kevin O'Connor3471fdb2012-01-14 19:02:43 -0500189SRCVGA=src/output.c src/util.c src/pci.c \
190 vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/vgafonts.c vgasrc/vbe.c \
Kevin O'Connor4ad2d102012-01-14 23:20:05 -0500191 vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \
Kevin O'Connor3471fdb2012-01-14 19:02:43 -0500192 vgasrc/clext.c vgasrc/bochsvga.c vgasrc/geodevga.c
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400193
Kevin O'Connor36feea92012-02-11 10:49:45 -0500194CFLAGS16VGA = $(CFLAGS16INC) -Isrc
Kevin O'Connor9887ecb2011-12-18 10:51:19 -0500195
Kevin O'Connor35f42dc2012-03-05 17:45:55 -0500196$(OUT)vgaccode16.raw.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16VGA) -S, $(SRCVGA),$@)
197
198$(OUT)vgaccode16.o: $(OUT)vgaccode16.raw.s
199 @echo " Fixup VGA rom assembler"
200 $(Q)$(PYTHON) ./tools/vgafixup.py $< $(OUT)vgaccode16.s
201 $(Q)$(AS) --32 src/code16gcc.s $(OUT)vgaccode16.s -o $@
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400202
Kevin O'Connor36feea92012-02-11 10:49:45 -0500203$(OUT)vgaentry.o: vgaentry.S $(OUT)autoconf.h
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400204 @echo " Compiling (16bit) $@"
Kevin O'Connor36feea92012-02-11 10:49:45 -0500205 $(Q)$(CC) $(CFLAGS16VGA) -c -D__ASSEMBLY__ $< -o $@
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400206
Kevin O'Connor36feea92012-02-11 10:49:45 -0500207$(OUT)vgarom.o: $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgalayout.lds
Kevin O'Connor980b45a2012-03-24 11:42:53 -0400208 @echo " Linking $@"
209 $(Q)./tools/buildversion.sh $(OUT)vgaversion.c VAR16
Kevin O'Connor9d840882012-02-11 11:02:03 -0500210 $(Q)$(CC) $(CFLAGS16VGA) -c $(OUT)vgaversion.c -o $(OUT)vgaversion.o
211 $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgaversion.o -o $@
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400212
213$(OUT)vgabios.bin.raw: $(OUT)vgarom.o
214 @echo " Extracting binary $@"
215 $(Q)$(OBJCOPY) -O binary $< $@
216
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400217$(OUT)vgabios.bin: $(OUT)vgabios.bin.raw tools/buildrom.py
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400218 @echo " Finalizing rom $@"
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -0500219 $(Q)$(PYTHON) ./tools/buildrom.py $< $@
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400220
Kevin O'Connor36feea92012-02-11 10:49:45 -0500221
222################ DSDT build rules
223
Michael S. Tsirkin4da07252012-08-02 21:57:20 +0300224iasl-option=$(shell if "$(1)" "$(2)" -h > /dev/null 2>&1 \
225 ; then echo "$(2)"; else echo "$(3)"; fi ;)
226
Kevin O'Connor51d6ba32012-05-30 21:31:42 -0400227$(OUT)%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py
228 @echo " Compiling IASL $@"
Michael S. Tsirkin2597b752011-10-04 15:26:01 +0200229 $(Q)cpp -P $< > $(OUT)$*.dsl.i.orig
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -0500230 $(Q)$(PYTHON) ./tools/acpi_extract_preprocess.py $(OUT)$*.dsl.i.orig > $(OUT)$*.dsl.i
Michael S. Tsirkin4da07252012-08-02 21:57:20 +0300231 $(Q)$(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $(OUT)$* $(OUT)$*.dsl.i
Kevin O'Connor97f1ffc2012-02-08 20:21:29 -0500232 $(Q)$(PYTHON) ./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off
Michael S. Tsirkin2e55b032011-10-26 23:28:02 +0200233 $(Q)cat $(OUT)$*.off > $@
Isaku Yamahata12cbb432010-06-07 17:19:27 +0900234
Kevin O'Connor51d6ba32012-05-30 21:31:42 -0400235$(OUT)ccode32flat.o: $(OUT)acpi-dsdt.hex $(OUT)ssdt-proc.hex $(OUT)ssdt-pcihp.hex
Kevin O'Connord91f9d42009-10-08 21:57:15 -0400236
Kevin O'Connor36feea92012-02-11 10:49:45 -0500237################ Kconfig rules
238
Kevin O'Connora7fc8152012-01-15 01:52:27 -0500239define do-kconfig
240$(Q)mkdir -p $(OUT)/tools/kconfig/lxdialog
241$(Q)mkdir -p $(OUT)/include/config
242$(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/tools/kconfig/Makefile srctree=$(CURDIR) src=tools/kconfig obj=tools/kconfig Q=$(Q) Kconfig=$(CURDIR)/src/Kconfig $1
243endef
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -0500244
Kevin O'Connora7fc8152012-01-15 01:52:27 -0500245$(OUT)autoconf.h : $(KCONFIG_CONFIG) ; $(call do-kconfig, silentoldconfig)
246$(KCONFIG_CONFIG): ; $(call do-kconfig, defconfig)
247%onfig: ; $(call do-kconfig, $@)
248help: ; $(call do-kconfig, $@)
Sebastian Herbsztaba52eb2011-11-24 17:20:36 +0100249
Kevin O'Connor36feea92012-02-11 10:49:45 -0500250
251################ Generic rules
252
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500253clean:
Kevin O'Connor86cebee2008-11-06 18:57:10 -0500254 $(Q)rm -rf $(OUT)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500255
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -0500256distclean: clean
257 $(Q)rm -f .config .config.old
258
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500259$(OUT):
Kevin O'Connor86cebee2008-11-06 18:57:10 -0500260 $(Q)mkdir $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500261
262-include $(OUT)*.d