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ARCH_FORMAT= elf32-i386
# For debugging, don't delete intermediates
#.SECONDARY:
LDSCRIPT= arch/i386/core/etherboot.lds
PLDSCRIPT= arch/i386/core/etherboot.prefix.lds
LCONFIG+= -Ui386
ROMLIMIT= 524288
CHECKSIZE= { read d1; read d1 d2 d3 size d4; [ $$size -gt $(ROMLIMIT) ] &&\
{ $(RM) $@; echo "ERROR: code size exceeds limit!"; exit 1; }; exit 0; }
START= $(BIN)/start32.o $(BIN)/linuxbios.o \
$(BIN)/bios.o $(BIN)/console.o $(BIN)/memsizes.o $(BIN)/basemem.o \
$(BIN)/hidemem.o $(BIN)/e820mangler.o \
$(BIN)/realmode.o $(BIN)/realmode_asm.o \
$(BIN)/callbacks.o $(BIN)/pxe_callbacks.o
SRCS+= arch/i386/prefix/floppyprefix.S
SRCS+= arch/i386/prefix/unnrv2b.S
SRCS+= arch/i386/firmware/pcbios/bios.c
SRCS+= arch/i386/firmware/pcbios/console.c
SRCS+= arch/i386/firmware/pcbios/memsizes.c
SRCS+= arch/i386/firmware/pcbios/basemem.c
SRCS+= arch/i386/firmware/pcbios/hidemem.c
SRCS+= arch/i386/firmware/pcbios/e820mangler.S
SRCS+= arch/i386/prefix/liloprefix.S
SRCS+= arch/i386/prefix/elfprefix.S
SRCS+= arch/i386/prefix/lmelf_prefix.S
SRCS+= arch/i386/prefix/elf_dprefix.S
SRCS+= arch/i386/prefix/lmelf_dprefix.S
SRCS+= arch/i386/prefix/comprefix.S
SRCS+= arch/i386/prefix/exeprefix.S
SRCS+= arch/i386/prefix/pxeprefix.S
SRCS+= arch/i386/prefix/romprefix.S
SRCS+= arch/i386/core/init.S
SRCS+= arch/i386/core/start32.S
SRCS+= arch/i386/core/pci_io.c
SRCS+= arch/i386/core/i386_timer.c
SRCS+= arch/i386/core/elf.c
SRCS+= arch/i386/core/cpu.c
SRCS+= arch/i386/core/video_subr.c
SRCS+= arch/i386/core/pic8259.c
SRCS+= arch/i386/core/hooks.c
SRCS+= arch/i386/core/callbacks.c
SRCS+= arch/i386/core/realmode.c
SRCS+= arch/i386/core/realmode_asm.S
SRCS+= arch/i386/core/pxe_callbacks.c
# ROM loaders: ISA and PCI versions
ISAPREFIX= $(BIN)/isaprefix.o
ISAENTRY= $(BIN)/isaprefix.entry.o
ISAEXIT= $(BIN)/isaprefix.exit.o
PCIPREFIX= $(BIN)/pciprefix.o
PCIENTRY= $(BIN)/pciprefix.entry.o
PCIEXIT= $(BIN)/pciprefix.exit.o
# Variables xxx_ROMTYPE are defined by genrules.pl. ROMENTRY and
# ROMEXIT will evaluate to give the correct objects to use.
TARGETBASE=$(patsubst $(BIN)/%,%,$(firstword $(subst ., ,$@)))
ROMCARD=$(firstword $(subst --, ,$(TARGETBASE)))
ROMTYPE=$(firstword $(ROMTYPE_$(ROMCARD)) ISA)
romENTRY=$($(ROMTYPE)ENTRY)
romEXIT=$($(ROMTYPE)EXIT)
# Target type for generic prf rules
TARGETTYPE=$(patsubst .%,%, $(suffix $(basename $@)))
TARGETENTRY=$($(TARGETTYPE)ENTRY)
TARGETEXIT=$($(TARGETTYPE)EXIT)
# Other real-mode entry loaders
dskPREFIX= $(BIN)/floppyprefix.o
dskENTRY= $(BIN)/floppyprefix.entry.o
dskEXIT= $(BIN)/floppyprefix.exit.o
comPREFIX= $(BIN)/comprefix.o
comENTRY= $(BIN)/comprefix.entry.o
comEXIT= $(BIN)/comprefix.exit.o
exePREFIX= $(BIN)/exeprefix.o
exeENTRY= $(BIN)/exeprefix.entry.o
exeEXIT= $(BIN)/exeprefix.exit.o
liloPREFIX= $(BIN)/liloprefix.o
liloENTRY= $(BIN)/liloprefix.entry.o
liloEXIT= $(BIN)/liloprefix.exit.o
bImagePREFIX= $(BIN)/bImageprefix.o
bImageENTRY= $(BIN)/bImageprefix.entry.o
bImageEXIT= $(BIN)/bImageprefix.exit.o
pxePREFIX= $(BIN)/pxeprefix.o
pxeENTRY= $(BIN)/pxeprefix.entry.o
pxeEXIT= $(BIN)/pxeprefix.exit.o
rawPREFIX= $(BIN)/nullprefix.o
rawENTRY= $(BIN)/nullprefix.entry.o
rawEXIT= $(BIN)/nullprefix.exit.o
# Protected mode entry loaders
elfPREFIX= $(BIN)/elfprefix.o
elfENTRY= $(BIN)/elfprefix.entry.o
elfEXIT= $(BIN)/elfprefix.exit.o
lmelfPREFIX= $(BIN)/lmelf_prefix.o
lmelfENTRY= $(BIN)/lmelf_prefix.entry.o
lmelfEXIT= $(BIN)/lmelf_prefix.exit.o
elfdPREFIX= $(BIN)/elf_dprefix.o
elfdENTRY= $(BIN)/elf_dprefix.entry.o
elfdEXIT= $(BIN)/elf_dprefix.exit.o
lmelfdPREFIX= $(BIN)/lmelf_dprefix.o
lmelfdENTRY= $(BIN)/lmelf_dprefix.entry.o
lmelfdEXIT= $(BIN)/lmelf_dprefix.exit.o
include $(BIN)/Roms
all: $(ROMS)
allroms: $(ROMS)
allzroms: $(ROMS)
alldsks: $(EB_DSKS)
allzdsks: $(EB_ZDSKS)
alllilos: $(EB_LILOS)
allzlilos: $(EB_ZLILOS)
allbImages: $(EB_BIMAGES)
allbzImages: $(EB_BZIMAGES)
allpxes: $(EB_PXES)
allzpxes: $(EB_ZPXES)
allelfs: $(EB_ELFS)
allzelfs: $(EB_ZELFS)
alllmelfs: $(EB_LMELFS)
allzlmelfs: $(EB_ZLMELFS)
allelfds: $(EB_ELFDS)
allzelfds: $(EB_ZELFDS)
alllmelfds: $(EB_LMELFDS)
allzlmelfds: $(EB_ZLMELFDS)
allcoms: $(EB_COMS)
allexes: $(EB_EXES)
allisos: $(EB_ISOS)
alllisos: $(EB_LISOS)
BOBJS+= $(BIN)/pci_io.o $(BIN)/i386_timer.o
BOBJS+= $(BIN)/elf.o $(BIN)/cpu.o $(BIN)/video_subr.o
BOBJS+= $(BIN)/pic8259.o $(BIN)/hooks.o
# ROM loaders
$(ISAPREFIX): arch/i386/prefix/romprefix.S $(MAKEDEPS)
$(CPP) $(CFLAGS) $(LCONFIG) -Ui386 -D ASSEMBLY $< \
| $(AS) $(ASFLAGS) -o $@
$(PCIPREFIX): arch/i386/prefix/romprefix.S $(MAKEDEPS)
$(CPP) -DPCI_PNP_HEADER $(CFLAGS) $(LCONFIG) -Ui386 -D ASSEMBLY $< \
| $(AS) $(ASFLAGS) -o $@
# Prefix splitters
$(BIN)/%prefix.entry.o: $(BIN)/%prefix.o $(MAKEDEPS)
$(OBJCOPY) -R .text16 $< $@
$(BIN)/%prefix.exit.o: $(BIN)/%prefix.o $(MAKEDEPS)
$(OBJCOPY) -R .prefix $< $@
# Generic prefix objects
PREFIXOBJS = $(BIN)/init.o
ZPREFIXOBJS = $(BIN)/init.o $(BIN)/unnrv2b.o
# Utilities
$(BIN)/nrv2b: util/nrv2b.c
$(HOST_CC) -O2 -DENCODE -DDECODE -DMAIN -DVERBOSE -DNDEBUG -DBITSIZE=32 -DENDIAN=0 -o $@ $<
ZFILELEN = perl util/zfilelen.pl
# Pattern Rules
# General for compiling/assembly source files
$(BIN)/%.o: arch/i386/core/%.c $(MAKEDEPS)
$(CC) $(CFLAGS) -o $@ -c $<
$(BIN)/%.o: arch/i386/core/%.S $(MAKEDEPS)
$(CPP) $(CFLAGS) -Ui386 -D ASSEMBLY $< | $(AS) $(ASFLAGS) -o $@
$(BIN)/%.o: arch/i386/firmware/pcbios/%.c $(MAKEDEPS)
$(CC) $(CFLAGS) -o $@ -c $<
$(BIN)/%.o: arch/i386/firmware/pcbios/%.S $(MAKEDEPS)
$(CPP) $(CFLAGS) -Ui386 -DASSEMBLY $< | $(AS) $(ASFLAGS) -o $@
$(BIN)/%.o: arch/i386/prefix/%.S $(MAKEDEPS)
$(CPP) $(CFLAGS) -Ui386 -DASSEMBLY $< | $(AS) $(ASFLAGS) -o $@
$(BIN)/%16.o: arch/i386/prefix/%.S $(MAKEDEPS)
$(CPP) $(CFLAGS) -Ui386 -DASSEMBLY -DCODE16 $< | $(AS) $(ASFLAGS) -o $@
# general rule for 16bit .o, may be overridden
$(BIN)/%.o: $(BIN)/%.s
$(AS) $(ASFLAGS) -o $@ $<
# general rule for .bin (plain binary loader code), may be overridden
$(BIN)/%.bin: $(BIN)/%.o
$(OBJCOPY) -O binary $< $@
# general rule for .z (compressed binary code), may be overridden
# rule for .z is in top level Makefile
# Give the directory name, e.g. use $(BIN)/rtl8139.com as the target.
$(BIN)/%.zo: $(BIN)/%.zbin arch/i386/core/prefixzdata.lds $(MAKEDEPS)
$(LD) -T arch/i386/core/prefixzdata.lds -b binary $< -o $@
$(BIN)/%.uo: $(BIN)/%.bin arch/i386/core/prefixudata.lds $(MAKEDEPS)
$(LD) -T arch/i386/core/prefixudata.lds -b binary $< -o $@
# Intermediate prf rules
%.prf: %.rt $(PREFIXOBJS) %.rt1.uo %.rt2.uo $(MAKEDEPS)
$(MAKE) $(TARGETENTRY)
$(LD) $(LDFLAGS) -T $(PLDSCRIPT) $(TARGETENTRY) -R $(subst $(MAKEDEPS),,$^) -o $@
%.zprf: %.rt $(ZPREFIXOBJS) %.rt1.uo %.rt2.zo $(MAKEDEPS)
$(MAKE) $(TARGETENTRY)
$(LD) $(LDFLAGS) -T $(PLDSCRIPT) $(TARGETENTRY) -R $(subst $(MAKEDEPS),,$^) -o $@
# general rules for normal/compressed ROM images, may be overridden
SUFFIXES += rom zrom
$(BIN)/%.rom.rt: $(BIN)/%.rt.o $(ISAENTRY) $(PCIENTRY) $(ISAEXIT) $(PCIEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $(romEXIT) $<
@$(SIZE) $@ | $(CHECKSIZE)
$(BIN)/%.rom: $(BIN)/%.rom.prf
$(OBJCOPY) -O binary $< $@
$(MAKEROM) $(MAKEROM_FLAGS) $(MAKEROM_$(ROMCARD)) $(MAKEROM_ID_$(ROMCARD)) -i$(IDENT) $@
$(BIN)/%.zrom: $(BIN)/%.rom.zprf
$(OBJCOPY) -O binary $< $@
$(MAKEROM) $(MAKEROM_FLAGS) $(MAKEROM_$(ROMCARD)) $(MAKEROM_ID_$(ROMCARD)) -i$(IDENT) $@
# general rules for ELF images
SUFFIXES += elf zelf
$(BIN)/%.elf.rt: $(BIN)/%.rt.o $(elfENTRY) $(elfEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $(elfEXIT) $<
$(BIN)/%.elf: $(BIN)/%.elf.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zelf: $(BIN)/%.elf.zprf
$(OBJCOPY) -O binary $< $@
# general rules for Long Mode ELF images
SUFFIXES += lmelf zlmelf
$(BIN)/%.lmelf.rt: $(BIN)/%.rt.o $(lmelfENTRY) $(lmelfEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $(lmelfEXIT) $<
$(BIN)/%.lmelf: $(BIN)/%.lmelf.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zlmelf: $(BIN)/%.lmelf.zprf
$(OBJCOPY) -O binary $< $@
# general rules for ELF dynamic images
SUFFIXES += elfd zelfd
$(BIN)/%.elfd.rt: $(BIN)/%.rt.o $(elfdENTRY) $(elfdEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $(elfdEXIT) $<
$(BIN)/%.elfd: $(BIN)/%.elfd.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zelfd: $(BIN)/%.elfd.zprf
$(OBJCOPY) -O binary $< $@
# general rules for Long Mode ELF dynamic images
SUFFIXES += lmelfd zlmelfd
$(BIN)/%.lmelfd.rt: $(BIN)/%.rt.o $(lmelfdENTRY) $(lmelfdEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $(lmelfdEXIT) $<
$(BIN)/%.lmelfd: $(BIN)/%.lmelfd.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zlmelfd: $(BIN)/%.lmelfd.zprf
$(OBJCOPY) -O binary $< $@
# rules to generate a DOS loadable .com executable
SUFFIXES += com
$(BIN)/%.com.rt: $(BIN)/%.rt.o $(comENTRY) $(comEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(comEXIT)
$(BIN)/%.com: $(BIN)/%.com.zprf
$(OBJCOPY) -O binary $< $@
# rules to generate a DOS loadable .exe executable
SUFFIXES += exe
$(BIN)/%.exe.rt: $(BIN)/%.rt.o $(exeENTRY) $(exeEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(exeEXIT)
@$(SIZE) $@ | $(CHECKSIZE)
$(BIN)/%.exe: $(BIN)/%.exe.prf
$(OBJCOPY) -O binary $< $@
# rules to make a LILO loadable image
SUFFIXES += lilo zlilo
$(BIN)/%.lilo.rt: $(BIN)/%.rt.o $(liloENTRY) $(liloEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(liloEXIT)
@$(SIZE) $@ | $(CHECKSIZE)
$(BIN)/%.lilo: $(BIN)/%.lilo.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zlilo: $(BIN)/%.lilo.zprf
$(OBJCOPY) -O binary $< $@
# rules to make big linux boot protocol image
SUFFIXES += bImage bzImage
$(BIN)/%.bImage.rt: $(BIN)/%.rt.o $(bImageENTRY) $(bImageEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(bImageEXIT)
$(BIN)/%.bImage: $(BIN)/%.bImage.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.bzImage: $(BIN)/%.bImage.zprf
$(OBJCOPY) -O binary $< $@
# rules to generate a PXE loadable image
SUFFIXES += pxe zpxe
$(BIN)/%.pxe.rt: $(BIN)/%.rt.o $(pxeENTRY) $(pxeEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(pxeEXIT)
@$(SIZE) $@ | $(CHECKSIZE)
$(BIN)/%.pxe: $(BIN)/%.pxe.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zpxe: $(BIN)/%.pxe.zprf
$(OBJCOPY) -O binary $< $@
# rules to generate the .dsk/.zdsk floppy images
SUFFIXES += dsk zdsk
$(BIN)/%.dsk.rt: $(BIN)/%.rt.o $(dskENTRY) $(dskEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(dskEXIT)
@$(SIZE) $@ | $(CHECKSIZE)
$(BIN)/%.dsk: $(BIN)/%.dsk.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zdsk: $(BIN)/%.dsk.zprf
$(OBJCOPY) -O binary $< $@
# rules to write the .dsk/.zdsk image onto a blank floppy
SUFFIXES += fd0 zfd0
%.fd0: %.dsk
dd if=$< bs=512 conv=sync of=/dev/fd0
sync
%.zfd0: %.zdsk
dd if=$< bs=512 conv=sync of=/dev/fd0
sync
# rules to create raw executable images
SUFFIXES += raw zraw
$(BIN)/%.raw.rt: $(BIN)/%.rt.o $(rawENTRY) $(rawEXIT) $(LDSCRIPT) $(MAKEDEPS)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) -o $@ $< $(rawEXIT)
$(BIN)/%.raw: $(BIN)/%.raw.prf
$(OBJCOPY) -O binary $< $@
$(BIN)/%.zraw: $(BIN)/%.raw.zprf
$(OBJCOPY) -O binary $< $@
# rule to make a non-emulation ISO boot image
SUFFIXES += iso
%.iso: util/geniso %.zlilo
ISOLINUX_BIN=${ISOLINUX_BIN} bash util/geniso $*.iso $*.zlilo
# rule to make a floppy emulation ISO boot image
SUFFIXES += liso
%.liso: util/genliso %.zlilo
bash util/genliso $*.liso $*.zlilo
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