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