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Makefile
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# SeaBIOS build system
#
# Copyright (C) 2008-2012 Kevin O'Connor <[email protected]>
#
# 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 := $(CURDIR)/.config
export LC_ALL := C
CROSS_PREFIX=
ifneq ($(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 block.c cdrom.c disk.c \
mouse.c kbd.c system.c serial.c sercon.c clock.c resume.c \
pnpbios.c vgahooks.c pcibios.c apm.c cp437.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/lsi-scsi.c hw/esp-scsi.c hw/megasas.c \
hw/mpt-scsi.c
SRC16=$(SRCBOTH)
SRC32FLAT=$(SRCBOTH) post.c e820map.c malloc.c romfile.c x86.c \
optionroms.c pmm.c font.c boot.c bootsplash.c jpeg.c bmp.c \
tcgbios.c sha1.c hw/pcidevice.c hw/ahci.c hw/pvscsi.c \
hw/usb-xhci.c hw/usb-hub.c hw/sdcard.c fw/coreboot.c \
fw/lzmadecode.c fw/multiboot.c fw/csm.c fw/biostables.c \
fw/paravirt.c fw/shadow.c fw/pciinit.c fw/smm.c fw/smp.c \
fw/mtrr.c fw/xen.c fw/acpi.c fw/mptable.c fw/pirtable.c \
fw/smbios.c fw/romfile_loader.c fw/dsdt_parser.c hw/virtio-ring.c \
hw/virtio-pci.c hw/virtio-mmio.c hw/virtio-blk.c hw/virtio-scsi.c \
hw/tpm_drivers.c hw/nvme.c sha256.c sha512.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 ;)
EXTRAVERSION=
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 -fomit-frame-pointer \
-freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \
-ffunction-sections -fdata-sections -fno-common -fno-merge-constants
COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-pie,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
COMMONCFLAGS += $(call cc-option,$(CC),-fstack-check=no,)
COMMONCFLAGS += $(call cc-option,$(CC),-Wno-address-of-packed-member,)
COMMONCFLAGS += $(call cc-option,$(CC),-Wno-array-bounds,)
COMMONCFLAGS += $(call cc-option,$(CC),-fcf-protection=none,)
COMMONCFLAGS += -w
COMMA := ,
CFLAGS32FLAT := $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0
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
CFLAGS16 := $(CFLAGSSEG) -DMODE16=1 \
$(call cc-option,$(CC),-m16,-Wa$(COMMA)src/code16gcc.s) \
$(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline)
# 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
%.noexec.o: %.o
@echo " Stripping $@"
$(Q)$(STRIP) $< -o $<.strip.o
$(Q)$(PYTHON) ./scripts/ldnoexec.py $<.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 src/version.c scripts/layoutrom.py scripts/buildversion.py
@echo " Building ld scripts"
$(Q)$(PYTHON) ./scripts/buildversion.py -e "$(EXTRAVERSION)" -t "$(CC);$(AS);$(LD);$(OBJCOPY);$(OBJDUMP);$(STRIP)" $(OUT)autoversion.h
$(Q)$(CC) $(CFLAGS32FLAT) -c src/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.noexec.o $(OUT)rom32seg.noexec.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds
@echo " Linking $@"
$(Q)$(LD) -N -T $(OUT)romlayout32flat.lds $(OUT)rom16.noexec.o $(OUT)rom32seg.noexec.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 $(OUT)bios.bin.elf
################ VGA build rules
# VGA src files
SRCVGA=src/output.c src/string.c src/hw/pci.c src/hw/serialio.c \
vgasrc/vgainit.c vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/swcursor.c \
vgasrc/vgafonts.c vgasrc/vbe.c \
vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \
vgasrc/clext.c vgasrc/svgamodes.c vgasrc/atiext.c vgasrc/bochsvga.c vgasrc/geodevga.c \
src/fw/coreboot.c vgasrc/cbvga.c vgasrc/bochsdisplay.c vgasrc/ramfb.c
ifeq "$(CONFIG_VGA_FIXUP_ASM)" "y"
$(OUT)vgaccode16.raw.s: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRCVGA)) ; $(call whole-compile, $(filter-out -fomit-frame-pointer,$(CFLAGS16)) -fno-omit-frame-pointer -S -Isrc, $(SRCVGA),$@)
$(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 $@
else
$(OUT)vgaccode16.o: $(OUT)autoconf.h $(patsubst %.c, $(OUT)%.o,$(SRCVGA)) ; $(call whole-compile, $(CFLAGS16) -Isrc, $(SRCVGA),$@)
endif
$(OUT)vgaentry.o: vgasrc/vgaentry.S $(OUT)autoconf.h $(OUT)asm-offsets.h
@echo " Compiling (16bit) $@"
$(Q)$(CC) $(CFLAGS16) -c -D__ASSEMBLY__ $< -o $@
$(OUT)vgarom.o: $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgasrc/vgalayout.lds vgasrc/vgaversion.c scripts/buildversion.py
@echo " Linking $@"
$(Q)$(PYTHON) ./scripts/buildversion.py -e "$(EXTRAVERSION)" -t "$(CC);$(AS);$(LD);$(OBJCOPY);$(OBJDUMP);$(STRIP)" $(OUT)autovgaversion.h
$(Q)$(CC) $(CFLAGS16) -c vgasrc/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 ;)
%.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 > $@
iasl: src/fw/acpi-dsdt.hex src/fw/ssdt-proc.hex src/fw/ssdt-pcihp.hex src/fw/ssdt-misc.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 $(OUT)*.d $(patsubst %,$(OUT)%/*.d,$(DIRS))