-# Legacy Bios build system
+# SeaBIOS build system
#
-# Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
+# Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net>
#
# This file may be distributed under the terms of the GNU LGPLv3 license.
+# Program version
+VERSION=pre-1.6.4-$(shell date +"%Y%m%d_%H%M%S")-$(shell hostname)
+
# Output directory
OUT=out/
# Source files
-SRCBOTH=output.c util.c floppy.c ata.c system.c mouse.c kbd.c pci.c \
- serial.c clock.c pic.c cdrom.c ps2port.c smpdetect.c resume.c \
- pnpbios.c pirtable.c
-SRC16=$(SRCBOTH) disk.c apm.c pcibios.c vgahooks.c
-SRC32=$(SRCBOTH) post.c shadow.c post_menu.c memmap.c coreboot.c boot.c \
- acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c
-TABLESRC=font.c cbt.c floppy_dbt.c
-
-cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \
- /dev/null 2>&1`"; then echo "$(2)"; else echo "$(3)"; fi ;)
+SRCBOTH=misc.c stacks.c pmm.c output.c util.c block.c floppy.c ata.c mouse.c \
+ kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \
+ pnpbios.c pirtable.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \
+ usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \
+ virtio-ring.c virtio-pci.c virtio-blk.c apm.c ahci.c
+SRC16=$(SRCBOTH) system.c disk.c font.c
+SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \
+ acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \
+ lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c \
+ biostables.c xen.c bmp.c
+SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c
+
+cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
+ ; then echo "$(2)"; else echo "$(3)"; fi ;)
# Default compiler flags
-COMMONCFLAGS = -Wall -Os -MD -m32 -march=i386 -mregparm=3 \
- -mpreferred-stack-boundary=2 -mrtd \
- -ffreestanding -fwhole-program -fomit-frame-pointer \
- -fno-delete-null-pointer-checks -Wno-strict-aliasing
+COMMONCFLAGS = -I$(OUT) -Os -MD \
+ -Wall -Wno-strict-aliasing -Wold-style-definition \
+ $(call cc-option,$(CC),-Wtype-limits,) \
+ -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \
+ -mrtd -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,)
-override CFLAGS = $(COMMONCFLAGS) -g -DMODE16=0
-CFLAGS16INC = $(COMMONCFLAGS) -DMODE16=1 -fno-jump-tables -fno-defer-pop \
- $(call cc-option,$(CC),--param large-stack-frame=4,)
-CFLAGS16INC += -ffunction-sections -fdata-sections
-CFLAGS16 = $(CFLAGS16INC) -g
-
-TABLETMP=$(addprefix $(OUT), $(patsubst %.c,%.16.s,$(TABLESRC)))
-all: $(OUT) $(OUT)bios.bin $(TABLETMP)
+CFLAGS32FLAT = $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0 -g -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 -g -fomit-frame-pointer
+CFLAGS16INC = $(CFLAGSSEG) -DMODE16=1 \
+ $(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline)
+CFLAGS16 = $(CFLAGS16INC) -g -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
OBJCOPY=objcopy
OBJDUMP=objdump
-NM=nm
STRIP=strip
-.PHONY : all FORCE
+# Default targets
+-include $(KCONFIG_CONFIG)
+
+target-y = $(OUT) $(OUT)bios.bin
+target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin
+
+all: $(target-y)
-vpath %.c src
-vpath %.S src
+# Make definitions
+.PHONY : all clean distclean FORCE
+
+vpath %.c src vgasrc
+vpath %.S src vgasrc
################ Build rules
-# Do a whole file compile - two methods are supported. The first
-# involves including all the content textually via #include
-# directives. The second method uses gcc's "-combine" option.
-ifdef AVOIDCOMBINE
-DEPHACK=
+# Verify the gcc configuration and test if -fwhole-program works.
+TESTGCC:=$(shell CC="$(CC)" LD="$(LD)" tools/test-gcc.sh)
+ifeq "$(TESTGCC)" "-1"
+$(error "Please upgrade GCC and/or binutils")
+endif
+
+ifndef COMPSTRAT
+COMPSTRAT=$(TESTGCC)
+endif
+
+# Do a whole file compile - three methods are supported.
+ifeq "$(COMPSTRAT)" "1"
+# First method - use -fwhole-program without -combine.
+define whole-compile
+@echo " Compiling whole program $3"
+$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
+$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3
+endef
+else
+ifeq "$(COMPSTRAT)" "2"
+# Second menthod - don't use -fwhole-program at all.
define whole-compile
@echo " Compiling whole program $3"
$(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
$(Q)$(CC) $1 -c $3.tmp.c -o $3
endef
else
-# Ugly way to get gcc to generate .d files correctly.
-DEPHACK=-combine src/null.c
+# Third (and preferred) method - use -fwhole-program with -combine
define whole-compile
@echo " Compiling whole program $3"
-$(Q)$(CC) $1 -combine -c $2 -o $3
+$(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3
endef
endif
+endif
+%.strip.o: %.o
+ @echo " Stripping $@"
+ $(Q)$(STRIP) $< -o $@
-$(OUT)%.proc.16.s: $(OUT)%.16.s
- @echo " Moving data sections to text in $@"
- $(Q)sed 's/^\t\.section\t\.\(ro\)\?data.*// ; s/^\t\.data$$//' < $< > $@
-
-$(OUT)%.16.s: %.c
+$(OUT)%.s: %.c
@echo " Compiling to assembler $@"
- $(Q)$(CC) $(CFLAGS16INC) $(DEPHACK) -S -c $< -o $@
+ $(Q)$(CC) $(CFLAGS16INC) -S -c $< -o $@
$(OUT)%.lds: %.lds.S
@echo " Precompiling $@"
$(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@
-$(OUT)asm-offsets.h: $(OUT)asm-offsets.16.s
+$(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)ccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
-TABLEASM=$(addprefix $(OUT), $(patsubst %.c,%.proc.16.s,$(TABLESRC)))
-$(OUT)romlayout16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h $(TABLEASM)
- @echo " Compiling (16bit) $@"
- $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@
+$(OUT)ccode.16.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
-$(OUT)ccode32.o: ; $(call whole-compile, $(CFLAGS), $(addprefix src/, $(SRC32)),$@)
+$(OUT)code32seg.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
-$(OUT)rom32.o: $(OUT)ccode32.o $(OUT)rombios32.lds
- @echo " Linking (no relocs) $@"
- $(Q)$(LD) -r -d -T $(OUT)rombios32.lds $< -o $@
+$(OUT)ccode32flat.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
-$(OUT)romlayout.lds: $(OUT)romlayout16.o
- @echo " Building layout information $@"
- $(Q)$(OBJDUMP) -h $< | ./tools/layoutrom.py $@
+$(OUT)code16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h
+ @echo " Compiling (16bit) $@"
+ $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@
-$(OUT)rombios16.lds: $(OUT)romlayout.lds
+$(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)code16.o tools/layoutrom.py
+ @echo " Building ld scripts (version \"$(VERSION)\")"
+ $(Q)echo 'const char VERSION[] = "$(VERSION)";' > $(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
+ $(Q)$(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)./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(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: $(OUT)romlayout16.lds
+
+$(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds
+ @echo " Linking $@"
+ $(Q)$(LD) -T $(OUT)romlayout16.lds $< -o $@
-$(OUT)rom16.o: $(OUT)romlayout16.o $(OUT)rom32.o $(OUT)rombios16.lds
- @echo " Linking (16bit) $@"
- $(Q)$(OBJCOPY) --prefix-symbols=_code32_ $(OUT)rom32.o $(OUT)rom32.rename.o
- $(Q)$(LD) -T $(OUT)rombios16.lds -R $(OUT)rom32.rename.o $< -o $@
+$(OUT)rom32seg.o: $(OUT)code32seg.o $(OUT)romlayout32seg.lds
+ @echo " Linking $@"
+ $(Q)$(LD) -T $(OUT)romlayout32seg.lds $< -o $@
-$(OUT)rom.o: $(OUT)rom16.o $(OUT)rom32.o $(OUT)rombios.lds
+$(OUT)rom.o: $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds
@echo " Linking $@"
- $(Q)$(LD) -T $(OUT)rombios.lds $(OUT)rom16.o $(OUT)rom32.o -o $@
+ $(Q)$(LD) -T $(OUT)romlayout32flat.lds $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o -o $@
-$(OUT)bios.bin.elf: $(OUT)rom.o
+$(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py
@echo " Prepping $@"
- $(Q)$(NM) $< | ./tools/checkrom.py
- $(Q)$(STRIP) $< -o $@
+ $(Q)$(OBJDUMP) -thr $< > $<.objdump
+ $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw
+ $(Q)./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin
+ $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf
+
+
+################ VGA build rules
+
+# VGA src files
+SRCVGA=src/output.c src/util.c src/pci.c \
+ vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/vgafonts.c vgasrc/vbe.c \
+ vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \
+ vgasrc/clext.c vgasrc/bochsvga.c vgasrc/geodevga.c
-$(OUT)bios.bin: $(OUT)bios.bin.elf
+CFLAGS16VGA = $(CFLAGS16INC) -g -Isrc
+
+$(OUT)vgaccode.16.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16VGA) -S, $(SRCVGA),$@)
+
+$(OUT)vgalayout16.o: vgaentry.S $(OUT)vgaccode.16.s $(OUT)asm-offsets.h
+ @echo " Compiling (16bit) $@"
+ $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ -Isrc $< -o $@
+
+$(OUT)vgarom.o: $(OUT)vgalayout16.o $(OUT)vgalayout.lds
+ @echo " Linking $@"
+ $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgalayout16.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)./tools/buildrom.py $< $@
+
+####### dsdt build rules
+src/%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py
+ @echo "Compiling DSDT"
+ $(Q)cpp -P $< > $(OUT)$*.dsl.i.orig
+ $(Q)./tools/acpi_extract_preprocess.py $(OUT)$*.dsl.i.orig > $(OUT)$*.dsl.i
+ $(Q)iasl -l -tc -p $(OUT)$* $(OUT)$*.dsl.i
+ $(Q)./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off
+ $(Q)cat $(OUT)$*.off > $@
+
+$(OUT)ccode32flat.o: src/acpi-dsdt.hex src/ssdt-proc.hex src/ssdt-pcihp.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): ; $(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 $@
projects / seabios.git / blobdiff