Makefile

   1 # SeaBIOS build system
   2 #
   3 # Copyright (C) 2008-2012  Kevin O'Connor <kevin@koconnor.net>
   4 #
   5 # This file may be distributed under the terms of the GNU LGPLv3 license.
   6
   7 # Output directory
   8 OUT=out/
   9
  10 # Source files
  11 SRCBOTH=misc.c stacks.c pmm.c output.c util.c block.c floppy.c ata.c mouse.c \
  12     kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \
  13     pnpbios.c pirtable.c vgahooks.c ramdisk.c pcibios.c blockcmd.c \
  14     usb.c usb-uhci.c usb-ohci.c usb-ehci.c usb-hid.c usb-msc.c \
  15     virtio-ring.c virtio-pci.c virtio-blk.c virtio-scsi.c apm.c ahci.c \
  16     usb-uas.c lsi-scsi.c esp-scsi.c megasas.c
  17 SRC16=$(SRCBOTH) system.c disk.c font.c
  18 SRC32FLAT=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \
  19     acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \
  20     lzmadecode.c bootsplash.c jpeg.c usb-hub.c paravirt.c \
  21     biostables.c xen.c bmp.c romfile.c
  22 SRC32SEG=util.c output.c pci.c pcibios.c apm.c stacks.c
  23
  24 # Default compiler flags
  25 cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
  26     ; then echo "$(2)"; else echo "$(3)"; fi ;)
  27
  28 COMMONCFLAGS = -I$(OUT) -Os -MD -g \
  29     -Wall -Wno-strict-aliasing -Wold-style-definition \
  30     $(call cc-option,$(CC),-Wtype-limits,) \
  31     -m32 -march=i386 -mregparm=3 -mpreferred-stack-boundary=2 \
  32     -minline-all-stringops \
  33     -freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \
  34     -ffunction-sections -fdata-sections -fno-common
  35 COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
  36 COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
  37 COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
  38
  39 CFLAGS32FLAT = $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0 -fomit-frame-pointer
  40 CFLAGSSEG = $(COMMONCFLAGS) -DMODESEGMENT=1 -fno-defer-pop \
  41     $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \
  42     $(call cc-option,$(CC),-fno-tree-switch-conversion,)
  43 CFLAGS32SEG = $(CFLAGSSEG) -DMODE16=0 -fomit-frame-pointer
  44 CFLAGS16INC = $(CFLAGSSEG) -DMODE16=1 -Wa,src/code16gcc.s \
  45     $(call cc-option,$(CC),--param large-stack-frame=4,-fno-inline)
  46 CFLAGS16 = $(CFLAGS16INC) -fomit-frame-pointer
  47
  48 # Run with "make V=1" to see the actual compile commands
  49 ifdef V
  50 Q=
  51 else
  52 Q=@
  53 MAKEFLAGS += --no-print-directory
  54 endif
  55
  56 # Common command definitions
  57 export HOSTCC             := $(CC)
  58 export CONFIG_SHELL       := sh
  59 export KCONFIG_AUTOHEADER := autoconf.h
  60 export KCONFIG_CONFIG     := $(CURDIR)/.config
  61 AS=as
  62 OBJCOPY=objcopy
  63 OBJDUMP=objdump
  64 STRIP=strip
  65 PYTHON=python
  66 IASL:=iasl
  67
  68 # Default targets
  69 -include $(KCONFIG_CONFIG)
  70
  71 target-y = $(OUT) $(OUT)bios.bin
  72 target-$(CONFIG_BUILD_VGABIOS) += $(OUT)vgabios.bin
  73
  74 all: $(target-y)
  75
  76 # Make definitions
  77 .PHONY : all clean distclean FORCE
  78 .DELETE_ON_ERROR:
  79
  80 vpath %.c src vgasrc
  81 vpath %.S src vgasrc
  82
  83
  84 ################ Common build rules
  85
  86 # Verify the build environment works.
  87 TESTGCC:=$(shell CC="$(CC)" LD="$(LD)" IASL="$(IASL)" tools/test-build.sh)
  88 ifeq "$(TESTGCC)" "-1"
  89 $(error "Please upgrade the build environment")
  90 endif
  91
  92 ifndef COMPSTRAT
  93 COMPSTRAT=$(TESTGCC)
  94 endif
  95
  96 # Do a whole file compile - three methods are supported.
  97 ifeq "$(COMPSTRAT)" "1"
  98 # First method - use -fwhole-program without -combine.
  99 define whole-compile
 100 @echo "  Compiling whole program $3"
 101 $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
 102 $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3
 103 endef
 104 else
 105 ifeq "$(COMPSTRAT)" "2"
 106 # Second menthod - don't use -fwhole-program at all.
 107 define whole-compile
 108 @echo "  Compiling whole program $3"
 109 $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c
 110 $(Q)$(CC) $1 -c $3.tmp.c -o $3
 111 endef
 112 else
 113 # Third (and preferred) method - use -fwhole-program with -combine
 114 define whole-compile
 115 @echo "  Compiling whole program $3"
 116 $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3
 117 endef
 118 endif
 119 endif
 120
 121 %.strip.o: %.o
 122         @echo "  Stripping $@"
 123         $(Q)$(STRIP) $< -o $@
 124
 125 $(OUT)%.s: %.c
 126         @echo "  Compiling to assembler $@"
 127         $(Q)$(CC) $(CFLAGS16) -S -c $< -o $@
 128
 129 $(OUT)%.lds: %.lds.S
 130         @echo "  Precompiling $@"
 131         $(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@
 132
 133
 134 ################ Main BIOS build rules
 135
 136 $(OUT)asm-offsets.s: $(OUT)autoconf.h
 137
 138 $(OUT)asm-offsets.h: $(OUT)asm-offsets.s
 139         @echo "  Generating offset file $@"
 140         $(Q)./tools/gen-offsets.sh $< $@
 141
 142 $(OUT)ccode16.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16), $(addprefix src/, $(SRC16)),$@)
 143
 144 $(OUT)code32seg.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32SEG), $(addprefix src/, $(SRC32SEG)),$@)
 145
 146 $(OUT)ccode32flat.o: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)),$@)
 147
 148 $(OUT)romlayout.o: romlayout.S $(OUT)asm-offsets.h
 149         @echo "  Compiling (16bit) $@"
 150         $(Q)$(CC) $(CFLAGS16) -c -D__ASSEMBLY__ $< -o $@
 151
 152 $(OUT)romlayout16.lds: $(OUT)ccode32flat.o $(OUT)code32seg.o $(OUT)ccode16.o $(OUT)romlayout.o tools/layoutrom.py
 153         @echo "  Building ld scripts"
 154         $(Q)./tools/buildversion.sh $(OUT)version.c
 155         $(Q)$(CC) $(CFLAGS32FLAT) -c $(OUT)version.c -o $(OUT)version.o
 156         $(Q)$(LD) -melf_i386 -r $(OUT)ccode32flat.o $(OUT)version.o -o $(OUT)code32flat.o
 157         $(Q)$(LD) -melf_i386 -r $(OUT)ccode16.o $(OUT)romlayout.o -o $(OUT)code16.o
 158         $(Q)$(OBJDUMP) -thr $(OUT)code32flat.o > $(OUT)code32flat.o.objdump
 159         $(Q)$(OBJDUMP) -thr $(OUT)code32seg.o > $(OUT)code32seg.o.objdump
 160         $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump
 161         $(Q)$(PYTHON) ./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32seg.o.objdump $(OUT)code32flat.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds
 162
 163 # These are actually built by tools/layoutrom.py above, but by pulling them
 164 # into an extra rule we prevent make -j from spawning layoutrom.py 4 times.
 165 $(OUT)romlayout32seg.lds $(OUT)romlayout32flat.lds $(OUT)code32flat.o $(OUT)code16.o: $(OUT)romlayout16.lds
 166
 167 $(OUT)rom16.o: $(OUT)code16.o $(OUT)romlayout16.lds
 168         @echo "  Linking $@"
 169         $(Q)$(LD) -T $(OUT)romlayout16.lds $< -o $@
 170
 171 $(OUT)rom32seg.o: $(OUT)code32seg.o $(OUT)romlayout32seg.lds
 172         @echo "  Linking $@"
 173         $(Q)$(LD) -T $(OUT)romlayout32seg.lds $< -o $@
 174
 175 $(OUT)rom.o: $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o $(OUT)romlayout32flat.lds
 176         @echo "  Linking $@"
 177         $(Q)$(LD) -T $(OUT)romlayout32flat.lds $(OUT)rom16.strip.o $(OUT)rom32seg.strip.o $(OUT)code32flat.o -o $@
 178
 179 $(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py
 180         @echo "  Prepping $@"
 181         $(Q)$(OBJDUMP) -thr $< > $<.objdump
 182         $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw
 183         $(Q)$(PYTHON) ./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin
 184         $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf
 185
 186
 187 ################ VGA build rules
 188
 189 # VGA src files
 190 SRCVGA=src/output.c src/util.c src/pci.c \
 191     vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/vgafonts.c vgasrc/vbe.c \
 192     vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \
 193     vgasrc/clext.c vgasrc/bochsvga.c vgasrc/geodevga.c
 194
 195 CFLAGS16VGA = $(CFLAGS16INC) -Isrc
 196
 197 $(OUT)vgaccode16.raw.s: $(OUT)autoconf.h ; $(call whole-compile, $(CFLAGS16VGA) -S, $(SRCVGA),$@)
 198
 199 $(OUT)vgaccode16.o: $(OUT)vgaccode16.raw.s
 200         @echo "  Fixup VGA rom assembler"
 201         $(Q)$(PYTHON) ./tools/vgafixup.py $< $(OUT)vgaccode16.s
 202         $(Q)$(AS) --32 src/code16gcc.s $(OUT)vgaccode16.s -o $@
 203
 204 $(OUT)vgaentry.o: vgaentry.S $(OUT)autoconf.h
 205         @echo "  Compiling (16bit) $@"
 206         $(Q)$(CC) $(CFLAGS16VGA) -c -D__ASSEMBLY__ $< -o $@
 207
 208 $(OUT)vgarom.o: $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgalayout.lds
 209         @echo "  Linking $@"
 210         $(Q)./tools/buildversion.sh $(OUT)vgaversion.c VAR16
 211         $(Q)$(CC) $(CFLAGS16VGA) -c $(OUT)vgaversion.c -o $(OUT)vgaversion.o
 212         $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgaccode16.o $(OUT)vgaentry.o $(OUT)vgaversion.o -o $@
 213
 214 $(OUT)vgabios.bin.raw: $(OUT)vgarom.o
 215         @echo "  Extracting binary $@"
 216         $(Q)$(OBJCOPY) -O binary $< $@
 217
 218 $(OUT)vgabios.bin: $(OUT)vgabios.bin.raw tools/buildrom.py
 219         @echo "  Finalizing rom $@"
 220         $(Q)$(PYTHON) ./tools/buildrom.py $< $@
 221
 222
 223 ################ DSDT build rules
 224
 225 iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 > /dev/null`" \
 226     ; then echo "$(2)"; else echo "$(3)"; fi ;)
 227
 228 $(OUT)%.hex: src/%.dsl ./tools/acpi_extract_preprocess.py ./tools/acpi_extract.py
 229         @echo "  Compiling IASL $@"
 230         $(Q)cpp -P $< > $(OUT)$*.dsl.i.orig
 231         $(Q)$(PYTHON) ./tools/acpi_extract_preprocess.py $(OUT)$*.dsl.i.orig > $(OUT)$*.dsl.i
 232         $(Q)$(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l -tc -p $(OUT)$* $(OUT)$*.dsl.i
 233         $(Q)$(PYTHON) ./tools/acpi_extract.py $(OUT)$*.lst > $(OUT)$*.off
 234         $(Q)cat $(OUT)$*.off > $@
 235
 236 $(OUT)ccode32flat.o: $(OUT)acpi-dsdt.hex $(OUT)ssdt-proc.hex $(OUT)ssdt-pcihp.hex $(OUT)ssdt-susp.hex $(OUT)q35-acpi-dsdt.hex
 237
 238 ################ Kconfig rules
 239
 240 define do-kconfig
 241 $(Q)mkdir -p $(OUT)/tools/kconfig/lxdialog
 242 $(Q)mkdir -p $(OUT)/include/config
 243 $(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/tools/kconfig/Makefile srctree=$(CURDIR) src=tools/kconfig obj=tools/kconfig Q=$(Q) Kconfig=$(CURDIR)/src/Kconfig $1
 244 endef
 245
 246 $(OUT)autoconf.h : $(KCONFIG_CONFIG) ; $(call do-kconfig, silentoldconfig)
 247 $(KCONFIG_CONFIG): ; $(call do-kconfig, defconfig)
 248 %onfig: ; $(call do-kconfig, $@)
 249 help: ; $(call do-kconfig, $@)
 250
 251
 252 ################ Generic rules
 253
 254 clean:
 255         $(Q)rm -rf $(OUT)
 256
 257 distclean: clean
 258         $(Q)rm -f .config .config.old
 259
 260 $(OUT):
 261         $(Q)mkdir $@
 262
 263 -include $(OUT)*.d