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1.1 ! root 1: # SeaBIOS build system ! 2: # ! 3: # Copyright (C) 2008,2009 Kevin O'Connor <[email protected]> ! 4: # ! 5: # This file may be distributed under the terms of the GNU LGPLv3 license. ! 6: ! 7: # Program version ! 8: VERSION=0.5.0-$(shell date +"%Y%m%d_%H%M%S")-$(shell hostname) ! 9: ! 10: # Output directory ! 11: OUT=out/ ! 12: ! 13: # Source files ! 14: SRCBOTH=misc.c pmm.c stacks.c output.c util.c block.c floppy.c ata.c mouse.c \ ! 15: kbd.c pci.c serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \ ! 16: pnpbios.c pirtable.c vgahooks.c ramdisk.c \ ! 17: usb.c usb-uhci.c usb-ohci.c usb-hid.c paravirt.c ! 18: SRC16=$(SRCBOTH) system.c disk.c apm.c pcibios.c font.c ! 19: SRC32=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \ ! 20: acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \ ! 21: lzmadecode.c ! 22: ! 23: cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \ ! 24: /dev/null 2>&1`"; then echo "$(2)"; else echo "$(3)"; fi ;) ! 25: ! 26: # Default compiler flags ! 27: COMMONCFLAGS = -Wall -Os -MD -m32 -march=i386 -mregparm=3 \ ! 28: -mpreferred-stack-boundary=2 -mrtd -freg-struct-return \ ! 29: -ffreestanding -fomit-frame-pointer \ ! 30: -fno-delete-null-pointer-checks -Wno-strict-aliasing \ ! 31: -ffunction-sections -fdata-sections -fno-common \ ! 32: -minline-all-stringops ! 33: COMMONCFLAGS += $(call cc-option,$(CC),-nopie,) ! 34: COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) ! 35: COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) ! 36: ! 37: override CFLAGS = $(COMMONCFLAGS) -g -DMODE16=0 ! 38: CFLAGS16INC = $(COMMONCFLAGS) -DMODE16=1 -fno-defer-pop \ ! 39: $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \ ! 40: $(call cc-option,$(CC),-fno-tree-switch-conversion,) \ ! 41: $(call cc-option,$(CC),--param large-stack-frame=4,) ! 42: CFLAGS16 = $(CFLAGS16INC) -g ! 43: ! 44: all: $(OUT) $(OUT)bios.bin ! 45: ! 46: # Run with "make V=1" to see the actual compile commands ! 47: ifdef V ! 48: Q= ! 49: else ! 50: Q=@ ! 51: endif ! 52: ! 53: OBJCOPY=objcopy ! 54: OBJDUMP=objdump ! 55: STRIP=strip ! 56: ! 57: .PHONY : all FORCE ! 58: ! 59: vpath %.c src vgasrc ! 60: vpath %.S src vgasrc ! 61: ! 62: ################ Build rules ! 63: ! 64: # Verify the gcc configuration and test if -fwhole-program works. ! 65: TESTGCC:=$(shell CC=$(CC) tools/test-gcc.sh) ! 66: ifeq "$(TESTGCC)" "-1" ! 67: $(error "Please upgrade GCC") ! 68: endif ! 69: ! 70: ifndef COMPSTRAT ! 71: COMPSTRAT=$(TESTGCC) ! 72: endif ! 73: ! 74: # Do a whole file compile - three methods are supported. ! 75: ifeq "$(COMPSTRAT)" "1" ! 76: # First method - use -fwhole-program without -combine. ! 77: define whole-compile ! 78: @echo " Compiling whole program $3" ! 79: $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c ! 80: $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3 ! 81: endef ! 82: else ! 83: ifeq "$(COMPSTRAT)" "2" ! 84: # Second menthod - don't use -fwhole-program at all. ! 85: define whole-compile ! 86: @echo " Compiling whole program $3" ! 87: $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c ! 88: $(Q)$(CC) $1 -c $3.tmp.c -o $3 ! 89: endef ! 90: else ! 91: # Third (and preferred) method - use -fwhole-program with -combine ! 92: define whole-compile ! 93: @echo " Compiling whole program $3" ! 94: $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3 ! 95: endef ! 96: endif ! 97: endif ! 98: ! 99: ! 100: $(OUT)%.s: %.c ! 101: @echo " Compiling to assembler $@" ! 102: $(Q)$(CC) $(CFLAGS16INC) -S -c $< -o $@ ! 103: ! 104: $(OUT)%.lds: %.lds.S ! 105: @echo " Precompiling $@" ! 106: $(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@ ! 107: ! 108: $(OUT)asm-offsets.h: $(OUT)asm-offsets.s ! 109: @echo " Generating offset file $@" ! 110: $(Q)./tools/gen-offsets.sh $< $@ ! 111: ! 112: ! 113: $(OUT)ccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@) ! 114: ! 115: $(OUT)ccode32.o: ; $(call whole-compile, $(CFLAGS), $(addprefix src/, $(SRC32)),$@) ! 116: ! 117: $(OUT)code16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h ! 118: @echo " Compiling (16bit) $@" ! 119: $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@ ! 120: ! 121: $(OUT)romlayout16.lds $(OUT)romlayout32.lds $(OUT)code32.o: $(OUT)ccode32.o $(OUT)code16.o tools/layoutrom.py ! 122: @echo " Building ld scripts (version \"$(VERSION)\")" ! 123: $(Q)echo 'const char VERSION[] = "$(VERSION)";' > $(OUT)version.c ! 124: $(Q)$(CC) $(CFLAGS) -c $(OUT)version.c -o $(OUT)version.o ! 125: $(Q)$(LD) -melf_i386 -r $(OUT)ccode32.o $(OUT)version.o -o $(OUT)code32.o ! 126: $(Q)$(OBJDUMP) -thr $(OUT)code32.o > $(OUT)code32.o.objdump ! 127: $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump ! 128: $(Q)./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32.lds ! 129: ! 130: ! 131: $(OUT)rom16.o: $(OUT)code16.o $(OUT)rom32.o $(OUT)romlayout16.lds ! 132: @echo " Linking (no relocs) $@" ! 133: $(Q)$(LD) -r -T $(OUT)romlayout16.lds $< -o $@ ! 134: ! 135: $(OUT)rom32.o: $(OUT)code32.o $(OUT)romlayout32.lds ! 136: @echo " Linking (no relocs) $@" ! 137: $(Q)$(LD) -r -T $(OUT)romlayout32.lds $< -o $@ ! 138: ! 139: $(OUT)rom.o: $(OUT)rom16.o $(OUT)rom32.o $(OUT)rombios16.lds $(OUT)rombios.lds ! 140: @echo " Linking $@" ! 141: $(Q)$(LD) -T $(OUT)rombios16.lds $(OUT)rom16.o -R $(OUT)rom32.o -o $(OUT)rom16.reloc.o ! 142: $(Q)$(STRIP) $(OUT)rom16.reloc.o -o $(OUT)rom16.final.o ! 143: $(Q)$(OBJCOPY) --adjust-vma 0xf0000 $(OUT)rom16.o $(OUT)rom16.moved.o ! 144: $(Q)$(LD) -T $(OUT)rombios.lds $(OUT)rom16.final.o $(OUT)rom32.o -R $(OUT)rom16.moved.o -o $@ ! 145: ! 146: $(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py ! 147: @echo " Prepping $@" ! 148: $(Q)$(OBJDUMP) -thr $< > $<.objdump ! 149: $(Q)$(OBJCOPY) -O binary $< $(OUT)bios.bin.raw ! 150: $(Q)./tools/checkrom.py $<.objdump $(OUT)bios.bin.raw $(OUT)bios.bin ! 151: $(Q)$(STRIP) -R .comment $< -o $(OUT)bios.bin.elf ! 152: ! 153: ! 154: ################ VGA build rules ! 155: ! 156: # VGA src files ! 157: SRCVGA=src/output.c src/util.c vgasrc/vga.c vgasrc/vgafb.c vgasrc/vgaio.c \ ! 158: vgasrc/vgatables.c vgasrc/vgafonts.c vgasrc/clext.c ! 159: ! 160: $(OUT)vgaccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S -Isrc, $(SRCVGA),$@) ! 161: ! 162: $(OUT)vgalayout16.o: vgaentry.S $(OUT)vgaccode.16.s $(OUT)asm-offsets.h ! 163: @echo " Compiling (16bit) $@" ! 164: $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ -Isrc $< -o $@ ! 165: ! 166: $(OUT)vgarom.o: $(OUT)vgalayout16.o $(OUT)vgalayout.lds ! 167: @echo " Linking $@" ! 168: $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgalayout16.o -o $@ ! 169: ! 170: $(OUT)vgabios.bin.raw: $(OUT)vgarom.o ! 171: @echo " Extracting binary $@" ! 172: $(Q)$(OBJCOPY) -O binary $< $@ ! 173: ! 174: $(OUT)vgabios.bin: $(OUT)vgabios.bin.raw tools/buildrom.py ! 175: @echo " Finalizing rom $@" ! 176: $(Q)./tools/buildrom.py $< $@ ! 177: ! 178: ####### dsdt build rules ! 179: src/acpi-dsdt.hex: src/acpi-dsdt.dsl ! 180: @echo "Compiling DSDT" ! 181: $(Q)cpp -P $< > $(OUT)acpi-dsdt.dsl.i ! 182: $(Q)iasl -tc -p $@ $(OUT)acpi-dsdt.dsl.i ! 183: $(Q)rm $(OUT)acpi-dsdt.dsl.i ! 184: ! 185: ####### Generic rules ! 186: clean: ! 187: $(Q)rm -rf $(OUT) ! 188: ! 189: $(OUT): ! 190: $(Q)mkdir $@ ! 191: ! 192: -include $(OUT)*.d
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