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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'Connor244caf82010-09-15 21:48:16 -04003# Copyright (C) 2008-2010 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
Kevin O'Connorc95d2ce2009-07-29 20:41:39 -04007# Program version
Kevin O'Connor1fa4adc2011-10-04 21:43:37 -04008VERSION=pre-1.6.4-$(shell date +"%Y%m%d_%H%M%S")-$(shell hostname)
Kevin O'Connorc95d2ce2009-07-29 20:41:39 -04009
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050010# Output directory
11OUT=out/
12
13# Source files
Kevin O'Connord2deae22011-10-01 10:43:48 -040014SRCBOTH=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 -050015 kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \
16 pnpbios.c pirtable.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \
17 usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \
18 virtio-ring.c virtio-pci.c virtio-blk.c apm.c ahci.c
Kevin O'Connor244caf82010-09-15 21:48:16 -040019SRC16=$(SRCBOTH) system.c disk.c font.c
Kevin O'Connor52a300f2009-12-26 23:32:57 -050020SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050021 acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \
22 lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c \
23 biostables.c xen.c bmp.c
Kevin O'Connor9c447c32010-05-23 10:24:22 -040024SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050025
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050026cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
27 ; then echo "$(2)"; else echo "$(3)"; fi ;)
Kevin O'Connor786502d2008-02-27 10:41:41 -050028
Kevin O'Connorbdce35f2008-02-26 21:33:14 -050029# Default compiler flags
Kevin O'Connor3dba4c22011-01-29 11:26:54 -050030COMMONCFLAGS = -I$(OUT) -Os -MD \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050031 -Wall -Wno-strict-aliasing -Wold-style-definition \
32 $(call cc-option,$(CC),-Wtype-limits,) \
33 -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \
34 -mrtd -minline-all-stringops \
35 -freg-struct-return -ffreestanding -fomit-frame-pointer \
36 -fno-delete-null-pointer-checks \
37 -ffunction-sections -fdata-sections -fno-common
Kevin O'Connor786502d2008-02-27 10:41:41 -050038COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
39COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
40COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
41
Kevin O'Connor871e0a02009-12-30 12:14:53 -050042CFLAGS32FLAT = $(COMMONCFLAGS) -g -DMODE16=0 -DMODESEGMENT=0
43CFLAGSSEG = $(COMMONCFLAGS) -DMODESEGMENT=1 -fno-defer-pop \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050044 $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \
45 $(call cc-option,$(CC),-fno-tree-switch-conversion,)
Kevin O'Connor871e0a02009-12-30 12:14:53 -050046CFLAGS32SEG = $(CFLAGSSEG) -DMODE16=0 -g
47CFLAGS16INC = $(CFLAGSSEG) -DMODE16=1 \
Kevin O'Connorbd515ac2011-12-18 10:48:44 -050048 $(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline)
Kevin O'Connor410680b2008-03-02 20:48:35 -050049CFLAGS16 = $(CFLAGS16INC) -g
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050050
Kevin O'Connor30853762009-01-17 18:49:20 -050051all: $(OUT) $(OUT)bios.bin
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050052
53# Run with "make V=1" to see the actual compile commands
54ifdef V
55Q=
56else
57Q=@
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -050058MAKEFLAGS += --no-print-directory
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050059endif
60
Kevin O'Connor2fc90bd2008-11-07 21:42:00 -050061OBJCOPY=objcopy
Kevin O'Connor202024a2009-01-17 10:41:28 -050062OBJDUMP=objdump
Kevin O'Connor2fc90bd2008-11-07 21:42:00 -050063STRIP=strip
64
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -050065.PHONY : all clean distclean FORCE
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050066
Kevin O'Connor1f2c3072009-05-06 23:35:59 -040067vpath %.c src vgasrc
68vpath %.S src vgasrc
Kevin O'Connorf076a3e2008-02-25 22:25:15 -050069
70################ Build rules
Kevin O'Connor410680b2008-03-02 20:48:35 -050071
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040072# Verify the gcc configuration and test if -fwhole-program works.
Kevin O'Connor626416e2011-05-21 21:05:04 -040073TESTGCC:=$(shell CC="$(CC)" LD="$(LD)" tools/test-gcc.sh)
Kevin O'Connor03f630e2009-03-26 20:45:36 -040074ifeq "$(TESTGCC)" "-1"
Kevin O'Connor626416e2011-05-21 21:05:04 -040075$(error "Please upgrade GCC and/or binutils")
Kevin O'Connor03f630e2009-03-26 20:45:36 -040076endif
77
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040078ifndef COMPSTRAT
79COMPSTRAT=$(TESTGCC)
Kevin O'Connor231f7102009-01-25 16:11:27 -050080endif
81
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040082# Do a whole file compile - three methods are supported.
83ifeq "$(COMPSTRAT)" "1"
84# First method - use -fwhole-program without -combine.
85define whole-compile
86@echo " Compiling whole program $3"
87$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
88$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3
89endef
Kevin O'Connord82a1ca2009-06-17 20:33:41 -040090else
91ifeq "$(COMPSTRAT)" "2"
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040092# Second menthod - don't use -fwhole-program at all.
Kevin O'Connor410680b2008-03-02 20:48:35 -050093define whole-compile
94@echo " Compiling whole program $3"
Kevin O'Connor86cebee2008-11-06 18:57:10 -050095$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
Kevin O'Connor410680b2008-03-02 20:48:35 -050096$(Q)$(CC) $1 -c $3.tmp.c -o $3
97endef
98else
Kevin O'Connor0942e7f2009-06-15 22:27:01 -040099# Third (and preferred) method - use -fwhole-program with -combine
Kevin O'Connor410680b2008-03-02 20:48:35 -0500100define whole-compile
101@echo " Compiling whole program $3"
Kevin O'Connor0942e7f2009-06-15 22:27:01 -0400102$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3
Kevin O'Connor410680b2008-03-02 20:48:35 -0500103endef
104endif
Kevin O'Connord82a1ca2009-06-17 20:33:41 -0400105endif
Kevin O'Connor410680b2008-03-02 20:48:35 -0500106
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400107%.strip.o: %.o
108 @echo " Stripping $@"
109 $(Q)$(STRIP) $< -o $@
Kevin O'Connor410680b2008-03-02 20:48:35 -0500110
Kevin O'Connor30853762009-01-17 18:49:20 -0500111$(OUT)%.s: %.c
Kevin O'Connor9e821222008-12-06 18:56:19 -0500112 @echo " Compiling to assembler $@"
Kevin O'Connor30853762009-01-17 18:49:20 -0500113 $(Q)$(CC) $(CFLAGS16INC) -S -c $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500114
115$(OUT)%.lds: %.lds.S
Kevin O'Connor9e821222008-12-06 18:56:19 -0500116 @echo " Precompiling $@"
Kevin O'Connord9a8b2d2008-11-16 09:17:02 -0500117 $(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500118
Kevin O'Connor713be892011-01-26 21:19:25 -0500119$(OUT)asm-offsets.s: $(OUT)autoconf.h
120
Kevin O'Connor30853762009-01-17 18:49:20 -0500121$(OUT)asm-offsets.h: $(OUT)asm-offsets.s
Kevin O'Connor952974e2008-11-16 18:14:33 -0500122 @echo " Generating offset file $@"
123 $(Q)./tools/gen-offsets.sh $< $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500124
Kevin O'Connore6caca82009-07-13 20:31:35 -0400125
Kevin O'Connor713be892011-01-26 21:19:25 -0500126$(OUT)ccode.16.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500127
Kevin O'Connor713be892011-01-26 21:19:25 -0500128$(OUT)code32seg.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500129
Kevin O'Connor713be892011-01-26 21:19:25 -0500130$(OUT)ccode32flat.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400131
Kevin O'Connore6caca82009-07-13 20:31:35 -0400132$(OUT)code16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h
Kevin O'Connor9e821222008-12-06 18:56:19 -0500133 @echo " Compiling (16bit) $@"
134 $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500135
Stefan Reinauer32aa9f32011-01-27 18:39:01 -0800136$(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)code16.o tools/layoutrom.py
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400137 @echo " Building ld scripts (version \"$(VERSION)\")"
138 $(Q)echo 'const char VERSION[] = "$(VERSION)";' > $(OUT)version.c
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500139 $(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o
Kevin O'Connor52a300f2009-12-26 23:32:57 -0500140 $(Q)$(LD) -melf_i386 -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o
141 $(Q)$(OBJDUMP) -thr $(OUT)code32flat.o > $(OUT)code32flat.o.objdump
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500142 $(Q)$(OBJDUMP) -thr $(OUT)code32seg.o > $(OUT)code32seg.o.objdump
Kevin O'Connore6caca82009-07-13 20:31:35 -0400143 $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500144 $(Q)./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds
Kevin O'Connor202024a2009-01-17 10:41:28 -0500145
Stefan Reinauer32aa9f32011-01-27 18:39:01 -0800146# These are actually built by tools/layoutrom.py above, but by pulling them
147# into an extra rule we prevent make -j from spawning layoutrom.py 4 times.
148$(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o: $(OUT)romlayout16.lds
Kevin O'Connor202024a2009-01-17 10:41:28 -0500149
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400150$(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds
151 @echo " Linking $@"
152 $(Q)$(LD) -T $(OUT)romlayout16.lds $< -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500153
Kevin O'Connor871e0a02009-12-30 12:14:53 -0500154$(OUT)rom32seg.o: $(OUT)code32seg.o $(OUT)romlayout32seg.lds
Kevin O'Connor114592f2009-09-28 21:32:08 -0400155 @echo " Linking $@"
Kevin O'Connor9ba1dea2010-05-01 09:50:13 -0400156 $(Q)$(LD) -T $(OUT)romlayout32seg.lds $< -o $@
157
158$(OUT)rom.o: $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds
159 @echo " Linking $@"
160 $(Q)$(LD) -T $(OUT)romlayout32flat.lds $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o -o $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500161
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400162$(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py
Kevin O'Connor9bcc5272008-07-05 21:08:56 -0400163 @echo " Prepping $@"
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400164 $(Q)$(OBJDUMP) -thr $< > $<.objdump
165 $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw
166 $(Q)./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin
Kevin O'Connor3a337b22009-11-03 19:50:52 -0500167 $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf
Kevin O'Connor2fda7cb2008-07-05 20:41:53 -0400168
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500169
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400170################ VGA build rules
171
172# VGA src files
Kevin O'Connor8d8e0942009-05-17 21:14:46 -0400173SRCVGA=src/output.c src/util.c vgasrc/vga.c vgasrc/vgafb.c vgasrc/vgaio.c \
174 vgasrc/vgatables.c vgasrc/vgafonts.c vgasrc/clext.c
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400175
Kevin O'Connor42d97712011-01-29 11:24:58 -0500176$(OUT)vgaccode.16.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16) -S -Isrc, $(SRCVGA),$@)
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400177
178$(OUT)vgalayout16.o: vgaentry.S $(OUT)vgaccode.16.s $(OUT)asm-offsets.h
179 @echo " Compiling (16bit) $@"
180 $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ -Isrc $< -o $@
181
182$(OUT)vgarom.o: $(OUT)vgalayout16.o $(OUT)vgalayout.lds
183 @echo " Linking $@"
Kevin O'Connorc0693942009-06-10 21:56:01 -0400184 $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgalayout16.o -o $@
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400185
186$(OUT)vgabios.bin.raw: $(OUT)vgarom.o
187 @echo " Extracting binary $@"
188 $(Q)$(OBJCOPY) -O binary $< $@
189
Kevin O'Connor5b8f8092009-09-20 19:47:45 -0400190$(OUT)vgabios.bin: $(OUT)vgabios.bin.raw tools/buildrom.py
Kevin O'Connor1f2c3072009-05-06 23:35:59 -0400191 @echo " Finalizing rom $@"
192 $(Q)./tools/buildrom.py $< $@
193
Kevin O'Connord91f9d42009-10-08 21:57:15 -0400194####### dsdt build rules
Michael S. Tsirkin2597b752011-10-04 15:26:01 +0200195src/%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py
Kevin O'Connord91f9d42009-10-08 21:57:15 -0400196 @echo "Compiling DSDT"
Michael S. Tsirkin2597b752011-10-04 15:26:01 +0200197 $(Q)cpp -P $< > $(OUT)$*.dsl.i.orig
198 $(Q)./tools/acpi_extract_preprocess.py $(OUT)$*.dsl.i.orig > $(OUT)$*.dsl.i
199 $(Q)iasl -l -tc -p $(OUT)$* $(OUT)$*.dsl.i
200 $(Q)./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off
Michael S. Tsirkin2e55b032011-10-26 23:28:02 +0200201 $(Q)cat $(OUT)$*.off > $@
Isaku Yamahata12cbb432010-06-07 17:19:27 +0900202
Michael S. Tsirkinc9737882011-11-20 19:56:59 +0200203$(OUT)ccode32flat.o: src/acpi-dsdt.hex src/ssdt-proc.hex src/ssdt-pcihp.hex
Kevin O'Connord91f9d42009-10-08 21:57:15 -0400204
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -0500205####### Kconfig rules
206export HOSTCC := $(CC)
207export CONFIG_SHELL := sh
208export KCONFIG_AUTOHEADER := autoconf.h
209export KCONFIG_CONFIG := $(CURDIR)/.config
210
Kevin O'Connor713be892011-01-26 21:19:25 -0500211$(OUT)autoconf.h : $(KCONFIG_CONFIG)
212 $(Q)$(MAKE) silentoldconfig
213
214$(KCONFIG_CONFIG):
215 $(Q)$(MAKE) defconfig
216
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -0500217%onfig:
218 $(Q)mkdir -p $(OUT)/tools/kconfig/lxdialog
219 $(Q)mkdir -p $(OUT)/include/config
220 $(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/tools/kconfig/Makefile srctree=$(CURDIR) src=tools/kconfig obj=tools/kconfig Q=$(Q) Kconfig=$(CURDIR)/src/Kconfig $@
221
Sebastian Herbsztaba52eb2011-11-24 17:20:36 +0100222help:
223 $(Q)$(MAKE) -f $(CURDIR)/tools/kconfig/Makefile help
224
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500225####### Generic rules
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500226clean:
Kevin O'Connor86cebee2008-11-06 18:57:10 -0500227 $(Q)rm -rf $(OUT)
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500228
Kevin O'Connor0da7bfd2011-01-26 21:14:59 -0500229distclean: clean
230 $(Q)rm -f .config .config.old
231
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500232$(OUT):
Kevin O'Connor86cebee2008-11-06 18:57:10 -0500233 $(Q)mkdir $@
Kevin O'Connorf076a3e2008-02-25 22:25:15 -0500234
235-include $(OUT)*.d