| # 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/ |
| |
| # Common command definitions |
| export HOSTCC := $(CC) |
| export CONFIG_SHELL := sh |
| export KCONFIG_AUTOHEADER := autoconf.h |
| export KCONFIG_CONFIG := $(CURDIR)/.config |
| CROSS_PREFIX= |
| ifneq ($(CROSS_PREFIX),) |
| CC=$(CROSS_PREFIX)gcc |
| endif |
| AS=$(CROSS_PREFIX)as |
| LD=$(CROSS_PREFIX)ld |
| OBJCOPY=$(CROSS_PREFIX)objcopy |
| OBJDUMP=$(CROSS_PREFIX)objdump |
| STRIP=$(CROSS_PREFIX)strip |
| PYTHON=python |
| CPP=cpp |
| IASL:=iasl |
| LD32BIT_FLAG:=-melf_i386 |
| |
| # Source files |
| SRCBOTH=misc.c stacks.c output.c string.c x86.c block.c cdrom.c mouse.c kbd.c \ |
| serial.c clock.c resume.c pnpbios.c vgahooks.c pcibios.c apm.c \ |
| fw/smp.c \ |
| hw/pci.c hw/timer.c hw/rtc.c hw/dma.c hw/pic.c hw/ps2port.c hw/serialio.c \ |
| hw/usb.c hw/usb-uhci.c hw/usb-ohci.c hw/usb-ehci.c \ |
| hw/usb-hid.c hw/usb-msc.c hw/usb-uas.c \ |
| hw/blockcmd.c hw/floppy.c hw/ata.c hw/ramdisk.c \ |
| hw/virtio-ring.c hw/virtio-pci.c hw/virtio-blk.c hw/virtio-scsi.c \ |
| hw/lsi-scsi.c hw/esp-scsi.c hw/megasas.c |
| SRC16=$(SRCBOTH) system.c disk.c font.c |
| SRC32FLAT=$(SRCBOTH) post.c memmap.c malloc.c pmm.c romfile.c optionroms.c \ |
| boot.c bootsplash.c jpeg.c bmp.c \ |
| hw/ahci.c hw/pvscsi.c hw/usb-xhci.c hw/usb-hub.c \ |
| fw/coreboot.c fw/lzmadecode.c fw/csm.c fw/biostables.c \ |
| fw/paravirt.c fw/shadow.c fw/pciinit.c fw/smm.c fw/mtrr.c fw/xen.c \ |
| fw/acpi.c fw/mptable.c fw/pirtable.c fw/smbios.c fw/romfile_loader.c |
| SRC32SEG=string.c output.c pcibios.c apm.c stacks.c hw/pci.c hw/serialio.c |
| DIRS=src src/hw src/fw vgasrc |
| |
| # 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) -Isrc -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 |
| |
| # Default targets |
| -include $(KCONFIG_CONFIG) |
| |
| target-y := |
| target-$(CONFIG_QEMU) += $(OUT)bios.bin |
| target-$(CONFIG_CSM) += $(OUT)Csm16.bin |
| target-$(CONFIG_COREBOOT) += $(OUT)bios.bin.elf |
| target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin |
| |
| all: $(target-y) |
| |
| # Make definitions |
| .PHONY : all clean distclean FORCE |
| .DELETE_ON_ERROR: |
| |
| |
| ################ Common build rules |
| |
| # Verify the build environment works. |
| TESTGCC:=$(shell OUT="$(OUT)" CC="$(CC)" LD="$(LD)" IASL="$(IASL)" scripts/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,$2,#include "$i"\n)' > $3.tmp.c |
| $(Q)$(CC) -I. $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)src/asm-offsets.s |
| @echo " Generating offset file $@" |
| $(Q)./scripts/gen-offsets.sh $< $@ |
| |
| $(OUT)ccode16.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)src/%.o,$(SRC16)) ; $(call whole-compile, $(CFLAGS16), $(addprefix src/, $(SRC16)),$@) |
| |
| $(OUT)code32seg.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)src/%.o,$(SRC32SEG)) ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@) |
| |
| $(OUT)ccode32flat.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)src/%.o,$(SRC32FLAT)) ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@) |
| |
| $(OUT)romlayout.o: src/romlayout.S $(OUT)autoconf.h $(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 scripts/layoutrom.py scripts/buildversion.sh |
| @echo " Building ld scripts" |
| $(Q)./scripts/buildversion.sh $(OUT)version.c |
| $(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o |
| $(Q)$(LD) $(LD32BIT_FLAG) -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o |
| $(Q)$(LD) $(LD32BIT_FLAG) -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) ./scripts/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 scripts/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.prep: $(OUT)rom.o scripts/checkrom.py |
| @echo " Prepping $@" |
| $(Q)rm -f $(OUT)bios.bin $(OUT)Csm16.bin $(OUT)bios.bin.elf |
| $(Q)$(OBJDUMP) -thr $< > $<.objdump |
| $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw |
| $(Q)$(PYTHON) ./scripts/checkrom.py $<.objdump $(CONFIG_ROM_SIZE) $(OUT)bios.bin.raw $(OUT)bios.bin.prep |
| |
| $(OUT)bios.bin: $(OUT)bios.bin.prep |
| @echo " Creating $@" |
| $(Q)cp $< $@ |
| |
| $(OUT)Csm16.bin: $(OUT)bios.bin.prep |
| @echo " Creating $@" |
| $(Q)cp $< $@ |
| |
| $(OUT)bios.bin.elf: $(OUT)rom.o $(OUT)bios.bin.prep |
| @echo " Creating $@" |
| $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf |
| |
| |
| ################ VGA build rules |
| |
| # VGA src files |
| SRCVGA=src/output.c src/string.c src/hw/pci.c src/hw/serialio.c \ |
| vgasrc/vgainit.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 \ |
| src/fw/coreboot.c vgasrc/cbvga.c |
| |
| CFLAGS16VGA = $(CFLAGS16INC) -Isrc |
| |
| $(OUT)vgaccode16.raw.s: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRCVGA)) ; $(call whole-compile, $(CFLAGS16VGA) -S, $(SRCVGA),$@) |
| |
| $(OUT)vgaccode16.o: $(OUT)vgaccode16.raw.s scripts/vgafixup.py |
| @echo " Fixup VGA rom assembler" |
| $(Q)$(PYTHON) ./scripts/vgafixup.py $< $(OUT)vgaccode16.s |
| $(Q)$(AS) --32 src/code16gcc.s $(OUT)vgaccode16.s -o $@ |
| |
| $(OUT)vgaentry.o: vgasrc/vgaentry.S $(OUT)autoconf.h $(OUT)asm-offsets.h |
| @echo " Compiling (16bit) $@" |
| $(Q)$(CC) $(CFLAGS16VGA) -c -D__ASSEMBLY__ $< -o $@ |
| |
| $(OUT)vgarom.o: $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgasrc/vgalayout.lds scripts/buildversion.sh |
| @echo " Linking $@" |
| $(Q)./scripts/buildversion.sh $(OUT)vgaversion.c VAR16 |
| $(Q)$(CC) $(CFLAGS16VGA) -c $(OUT)vgaversion.c -o $(OUT)vgaversion.o |
| $(Q)$(LD) --gc-sections -T $(OUT)vgasrc/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 scripts/buildrom.py |
| @echo " Finalizing rom $@" |
| $(Q)$(PYTHON) ./scripts/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: %.dsl ./scripts/acpi_extract_preprocess.py ./scripts/acpi_extract.py |
| @echo " Compiling IASL $@" |
| $(Q)$(CPP) $(CPPFLAGS) $< -o $(OUT)$*.dsl.i.orig |
| $(Q)$(PYTHON) ./scripts/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) ./scripts/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off |
| $(Q)cat $(OUT)$*.off > $@ |
| |
| $(OUT)src/fw/acpi.o: $(OUT)src/fw/acpi-dsdt.hex $(OUT)src/fw/ssdt-proc.hex $(OUT)src/fw/ssdt-pcihp.hex $(OUT)src/fw/ssdt-misc.hex $(OUT)src/fw/q35-acpi-dsdt.hex |
| |
| ################ Kconfig rules |
| |
| define do-kconfig |
| $(Q)mkdir -p $(OUT)/scripts/kconfig/lxdialog |
| $(Q)mkdir -p $(OUT)/include/config |
| $(Q)mkdir -p $(addprefix $(OUT), $(DIRS)) |
| $(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/scripts/kconfig/Makefile srctree=$(CURDIR) src=scripts/kconfig obj=scripts/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, olddefconfig) |
| %onfig: ; $(call do-kconfig, $@) |
| help: ; $(call do-kconfig, $@) |
| |
| |
| ################ Generic rules |
| |
| clean: |
| $(Q)rm -rf $(OUT) |
| |
| distclean: clean |
| $(Q)rm -f .config .config.old |
| |
| -include $(patsubst %,$(OUT)%/*.d,$(DIRS)) |