| # SeaBIOS build system |
| # |
| # Copyright (C) 2008-2012 Kevin O'Connor <kevin@koconnor.net> |
| # |
| # This file may be distributed under the terms of the GNU LGPLv3 license. |
| |
| # Output directory |
| OUT=out/ |
| |
| # Source files |
| SRCBOTH=misc.c stacks.c output.c util.c block.c floppy.c ata.c mouse.c \ |
| kbd.c pci.c serial.c timer.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \ |
| pnpbios.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \ |
| usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \ |
| virtio-ring.c virtio-pci.c virtio-blk.c virtio-scsi.c apm.c ahci.c \ |
| usb-uas.c lsi-scsi.c esp-scsi.c megasas.c |
| SRC16=$(SRCBOTH) system.c disk.c font.c |
| SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c pmm.c coreboot.c boot.c \ |
| acpi.c smm.c mptable.c pirtable.c smbios.c pciinit.c optionroms.c mtrr.c \ |
| lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c \ |
| biostables.c xen.c bmp.c romfile.c csm.c |
| SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c |
| |
| # Default compiler flags |
| cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \ |
| ; then echo "$(2)"; else echo "$(3)"; fi ;) |
| |
| CPPFLAGS = -P -MD -MT $@ |
| |
| COMMONCFLAGS := -I$(OUT) -Os -MD -g \ |
| -Wall -Wno-strict-aliasing -Wold-style-definition \ |
| $(call cc-option,$(CC),-Wtype-limits,) \ |
| -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \ |
| -minline-all-stringops \ |
| -freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \ |
| -ffunction-sections -fdata-sections -fno-common |
| COMMONCFLAGS += $(call cc-option,$(CC),-nopie,) |
| COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) |
| COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) |
| |
| CFLAGS32FLAT := $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0 -fomit-frame-pointer |
| CFLAGSSEG := $(COMMONCFLAGS) -DMODESEGMENT=1 -fno-defer-pop \ |
| $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \ |
| $(call cc-option,$(CC),-fno-tree-switch-conversion,) |
| CFLAGS32SEG := $(CFLAGSSEG) -DMODE16=0 -fomit-frame-pointer |
| CFLAGS16INC := $(CFLAGSSEG) -DMODE16=1 -Wa,src/code16gcc.s \ |
| $(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline) |
| CFLAGS16 := $(CFLAGS16INC) -fomit-frame-pointer |
| |
| # Run with "make V=1" to see the actual compile commands |
| ifdef V |
| Q= |
| else |
| Q=@ |
| MAKEFLAGS += --no-print-directory |
| endif |
| |
| # Common command definitions |
| export HOSTCC := $(CC) |
| export CONFIG_SHELL := sh |
| export KCONFIG_AUTOHEADER := autoconf.h |
| export KCONFIG_CONFIG := $(CURDIR)/.config |
| AS=as |
| OBJCOPY=objcopy |
| OBJDUMP=objdump |
| STRIP=strip |
| PYTHON=python |
| CPP=cpp |
| IASL:=iasl |
| |
| # Default targets |
| -include $(KCONFIG_CONFIG) |
| |
| target-y = $(OUT) $(OUT)bios.bin |
| target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin |
| |
| all: $(target-y) |
| |
| # Make definitions |
| .PHONY : all clean distclean FORCE |
| .DELETE_ON_ERROR: |
| |
| vpath %.c src vgasrc |
| vpath %.S src vgasrc |
| |
| |
| ################ Common build rules |
| |
| # Verify the build environment works. |
| TESTGCC:=$(shell OUT="$(OUT)" CC="$(CC)" LD="$(LD)" IASL="$(IASL)" tools/test-build.sh) |
| ifeq "$(TESTGCC)" "-1" |
| $(error "Please upgrade the build environment") |
| endif |
| |
| ifeq "$(TESTGCC)" "0" |
| # Use -fwhole-program |
| CFLAGSWHOLE=-fwhole-program -DWHOLE_PROGRAM |
| endif |
| |
| # Do a whole file compile by textually including all C code. |
| define whole-compile |
| @echo " Compiling whole program $3" |
| $(Q)printf '$(foreach i,$2,#include "$(CURDIR)/$i"\n)' > $3.tmp.c |
| $(Q)$(CC) $1 $(CFLAGSWHOLE) -c $3.tmp.c -o $3 |
| endef |
| |
| %.strip.o: %.o |
| @echo " Stripping $@" |
| $(Q)$(STRIP) $< -o $@ |
| |
| $(OUT)%.s: %.c |
| @echo " Compiling to assembler $@" |
| $(Q)$(CC) $(CFLAGS16) -S -c $< -o $@ |
| |
| $(OUT)%.o: %.c $(OUT)autoconf.h |
| @echo " Compile checking $@" |
| $(Q)$(CC) $(CFLAGS32FLAT) -c $< -o $@ |
| |
| $(OUT)%.lds: %.lds.S |
| @echo " Precompiling $@" |
| $(Q)$(CPP) $(CPPFLAGS) -D__ASSEMBLY__ $< -o $@ |
| |
| |
| ################ Main BIOS build rules |
| |
| $(OUT)asm-offsets.s: $(OUT)autoconf.h |
| |
| $(OUT)asm-offsets.h: $(OUT)asm-offsets.s |
| @echo " Generating offset file $@" |
| $(Q)./tools/gen-offsets.sh $< $@ |
| |
| $(OUT)ccode16.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRC16)) ; $(call whole-compile, $(CFLAGS16), $(addprefix src/, $(SRC16)),$@) |
| |
| $(OUT)code32seg.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRC32SEG)) ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@) |
| |
| $(OUT)ccode32flat.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRC32FLAT)) ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@) |
| |
| $(OUT)romlayout.o: romlayout.S $(OUT)asm-offsets.h |
| @echo " Compiling (16bit) $@" |
| $(Q)$(CC) $(CFLAGS16) -c -D__ASSEMBLY__ $< -o $@ |
| |
| $(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)ccode16.o $(OUT)romlayout.o tools/layoutrom.py tools/buildversion.sh |
| @echo " Building ld scripts" |
| $(Q)./tools/buildversion.sh $(OUT)version.c |
| $(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o |
| $(Q)$(LD) -melf_i386 -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o |
| $(Q)$(LD) -melf_i386 -r $(OUT)ccode16.o $(OUT)romlayout.o -o $(OUT)code16.o |
| $(Q)$(OBJDUMP) -thr $(OUT)code32flat.o > $(OUT)code32flat.o.objdump |
| $(Q)$(OBJDUMP) -thr $(OUT)code32seg.o > $(OUT)code32seg.o.objdump |
| $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump |
| $(Q)$(PYTHON) ./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(OUT)$(KCONFIG_AUTOHEADER) $(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds |
| |
| # These are actually built by tools/layoutrom.py above, but by pulling them |
| # into an extra rule we prevent make -j from spawning layoutrom.py 4 times. |
| $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o $(OUT)code16.o: $(OUT)romlayout16.lds |
| |
| $(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds |
| @echo " Linking $@" |
| $(Q)$(LD) -T $(OUT)romlayout16.lds $< -o $@ |
| |
| $(OUT)rom32seg.o: $(OUT)code32seg.o $(OUT)romlayout32seg.lds |
| @echo " Linking $@" |
| $(Q)$(LD) -T $(OUT)romlayout32seg.lds $< -o $@ |
| |
| $(OUT)rom.o: $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds |
| @echo " Linking $@" |
| $(Q)$(LD) -T $(OUT)romlayout32flat.lds $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o -o $@ |
| |
| $(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py |
| @echo " Prepping $@" |
| $(Q)$(OBJDUMP) -thr $< > $<.objdump |
| $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw |
| $(Q)$(PYTHON) ./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin |
| $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf |
| |
| |
| ################ VGA build rules |
| |
| # VGA src files |
| SRCVGA=src/output.c src/util.c src/pci.c \ |
| vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/vgafonts.c vgasrc/vbe.c \ |
| vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \ |
| vgasrc/clext.c vgasrc/bochsvga.c vgasrc/geodevga.c |
| |
| CFLAGS16VGA = $(CFLAGS16INC) -Isrc |
| |
| $(OUT)vgaccode16.raw.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16VGA) -S, $(SRCVGA),$@) |
| |
| $(OUT)vgaccode16.o: $(OUT)vgaccode16.raw.s tools/vgafixup.py |
| @echo " Fixup VGA rom assembler" |
| $(Q)$(PYTHON) ./tools/vgafixup.py $< $(OUT)vgaccode16.s |
| $(Q)$(AS) --32 src/code16gcc.s $(OUT)vgaccode16.s -o $@ |
| |
| $(OUT)vgaentry.o: vgaentry.S $(OUT)autoconf.h |
| @echo " Compiling (16bit) $@" |
| $(Q)$(CC) $(CFLAGS16VGA) -c -D__ASSEMBLY__ $< -o $@ |
| |
| $(OUT)vgarom.o: $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgalayout.lds tools/buildversion.sh |
| @echo " Linking $@" |
| $(Q)./tools/buildversion.sh $(OUT)vgaversion.c VAR16 |
| $(Q)$(CC) $(CFLAGS16VGA) -c $(OUT)vgaversion.c -o $(OUT)vgaversion.o |
| $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgaversion.o -o $@ |
| |
| $(OUT)vgabios.bin.raw: $(OUT)vgarom.o |
| @echo " Extracting binary $@" |
| $(Q)$(OBJCOPY) -O binary $< $@ |
| |
| $(OUT)vgabios.bin: $(OUT)vgabios.bin.raw tools/buildrom.py |
| @echo " Finalizing rom $@" |
| $(Q)$(PYTHON) ./tools/buildrom.py $< $@ |
| |
| |
| ################ DSDT build rules |
| |
| iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \ |
| ; then echo "$(2)"; else echo "$(3)"; fi ;) |
| |
| $(OUT)%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py |
| @echo " Compiling IASL $@" |
| $(Q)$(CPP) $(CPPFLAGS) $< -o $(OUT)$*.dsl.i.orig |
| $(Q)$(PYTHON) ./tools/acpi_extract_preprocess.py $(OUT)$*.dsl.i.orig > $(OUT)$*.dsl.i |
| $(Q)$(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $(OUT)$* $(OUT)$*.dsl.i |
| $(Q)$(PYTHON) ./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off |
| $(Q)cat $(OUT)$*.off > $@ |
| |
| $(OUT)acpi.o: $(OUT)acpi-dsdt.hex $(OUT)ssdt-proc.hex $(OUT)ssdt-pcihp.hex $(OUT)ssdt-misc.hex $(OUT)q35-acpi-dsdt.hex |
| |
| ################ Kconfig rules |
| |
| define do-kconfig |
| $(Q)mkdir -p $(OUT)/tools/kconfig/lxdialog |
| $(Q)mkdir -p $(OUT)/include/config |
| $(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/tools/kconfig/Makefile srctree=$(CURDIR) src=tools/kconfig obj=tools/kconfig Q=$(Q) Kconfig=$(CURDIR)/src/Kconfig $1 |
| endef |
| |
| $(OUT)autoconf.h : $(KCONFIG_CONFIG) ; $(call do-kconfig, silentoldconfig) |
| $(KCONFIG_CONFIG): src/Kconfig vgasrc/Kconfig ; $(call do-kconfig, defconfig) |
| %onfig: ; $(call do-kconfig, $@) |
| help: ; $(call do-kconfig, $@) |
| |
| |
| ################ Generic rules |
| |
| clean: |
| $(Q)rm -rf $(OUT) |
| |
| distclean: clean |
| $(Q)rm -f .config .config.old |
| |
| $(OUT): |
| $(Q)mkdir $@ |
| |
| -include $(OUT)*.d |