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## -----------------------------------------------------------------------
##
## Copyright 1998-2009 H. Peter Anvin - All Rights Reserved
## Copyright 2009-2014 Intel Corporation; author: H. Peter Anvin
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, Inc., 53 Temple Place Ste 330,
## Boston MA 02111-1307, USA; either version 2 of the License, or
## (at your option) any later version; incorporated herein by reference.
##
## -----------------------------------------------------------------------
#
# Makefile for the SYSLINUX core
#
VPATH = $(SRC)
# No builtin rules
MAKEFLAGS += -r
MAKE += -r
include $(MAKEDIR)/embedded.mk
-include $(objdir)/version.mk
OPTFLAGS =
INCLUDES = -I$(SRC)/include -I$(com32)/include -I$(com32)/include/sys -I$(com32)/lib \
-I$(SRC)/lwip/src/include -I$(SRC)/lwip/src/include/ipv4 -I$(SRC)/fs/pxe
# This is very similar to cp437; technically it's for Norway and Denmark,
# but it's unlikely the characters that are different will be used in
# filenames by other users.
CODEPAGE = cp865
# The targets to build in this directory...
BTARGET = kwdhash.gen \
ldlinux.bss ldlinux.sys ldlinux.bin \
isolinux.bin isolinux-debug.bin pxelinux.0 lpxelinux.0
# All primary source files for the main syslinux files
NASMSRC := $(wildcard $(SRC)/*.asm)
NASMHDR := $(wildcard $(SRC)/*.inc)
CSRC := $(shell find $(SRC) -name '*.c' -print)
SSRC := $(shell find $(SRC) -name '*.S' -print)
CHDR := $(shell find $(SRC) -name '*.h' -print)
OTHERSRC := keywords
ALLSRC = $(NASMSRC) $(NASMHDR) $(CSRC) $(SSRC) $(CHDR) $(OTHERSRC)
COBJ := $(subst $(SRC)/,,$(patsubst %.c,%.o,$(CSRC)))
SOBJ := $(subst $(SRC)/,,$(patsubst %.S,%.o,$(SSRC)))
# To make this compatible with the following $(filter-out), make sure
# we prefix everything with $(SRC)
CORE_PXE_CSRC = \
$(addprefix $(SRC)/fs/pxe/, dhcp_option.c pxe.c tftp.c urlparse.c bios.c)
LPXELINUX_CSRC = $(CORE_PXE_CSRC) \
$(shell find $(SRC)/lwip -name '*.c' -print) \
$(addprefix $(SRC)/fs/pxe/, \
core.c dnsresolv.c ftp.c ftp_readdir.c gpxeurl.c http.c \
http_readdir.c idle.c isr.c tcp.c)
PXELINUX_CSRC = $(CORE_PXE_CSRC) \
$(shell find $(SRC)/legacynet -name '*.c' -print)
LPXELINUX_OBJS = $(subst $(SRC)/,,$(LPXELINUX_CSRC:%.c=%.o))
PXELINUX_OBJS = $(subst $(SRC)/,,$(PXELINUX_CSRC:%.c=%.o))
UNITTEST_CSRC = $(shell find $(SRC) -path '*/tests/*.c' -print)
UNITTEST_OBJS = $(subst $(SRC)/,,$(UNITTEST_CSRC:%.c=%.o))
# Don't include console and network stack specific objects or unit tests
FILTER_OBJS = %rawcon.o %plaincon.o %pxelinux-c.o %ldlinux-c.o \
%isolinux-c.o %localboot.o %pxeboot.o \
$(subst $(OBJ)/,,$(UNITTEST_OBJS)) \
$(subst $(OBJ)/,,$(LPXELINUX_OBJS)) \
$(subst $(OBJ)/,,$(PXELINUX_OBJS))
ifdef EFI_BUILD
# EFI is single-threaded, and doesn't use the LZO assembly decoder
FILTER_OBJS += $(subst $(SRC)/,, \
$(patsubst %.S,%.o, $(wildcard $(SRC)/lzo/*.S)) \
$(patsubst %.c,%.o, $(wildcard $(SRC)/thread/*.c)) \
$(patsubst %.S,%.o, $(wildcard $(SRC)/thread/*.S)))
endif
COBJS = $(filter-out $(FILTER_OBJS),$(COBJ))
SOBJS = $(filter-out $(FILTER_OBJS),$(SOBJ))
ifdef EFI_BUILD
COBJS += $(subst $(SRC)/,,$(CORE_PXE_CSRC:%.c=%.o) fs/pxe/ftp.o fs/pxe/ftp_readdir.o \
fs/pxe/http.o fs/pxe/http_readdir.o)
endif
LIB = libcom32.a
LIBS = $(LIB) --whole-archive $(objdir)/com32/lib/libcom32core.a
LIBDEP = $(filter-out -% %start%,$(LIBS))
LIBOBJS = $(COBJS) $(SOBJS)
NASMDEBUG = -g -F dwarf
NASMOPT += $(NASMDEBUG)
PREPCORE = $(OBJ)/../lzo/prepcore
CFLAGS += -D__SYSLINUX_CORE__ -D__FIRMWARE_$(FIRMWARE)__ \
-I$(objdir) -DLDLINUX=\"$(LDLINUX)\"
# The DATE is set on the make command line when building binaries for
# official release. Otherwise, substitute a hex string that is pretty much
# guaranteed to be unique to be unique from build to build.
ifndef HEXDATE
HEXDATE := $(shell $(PERL) $(SRC)/../now.pl $(SRCS))
endif
ifndef DATE
DATE := $(shell sh $(SRC)/../gen-id.sh $(VERSION) $(HEXDATE))
endif
# Set up the NASM and LD options for the architecture
NASM_ELF = "unknown"
LD_PIE = "unknown"
ifeq ($(ARCH),i386)
NASM_ELF = elf
LD_PIE = -pie
endif
ifeq ($(ARCH),x86_64)
NASM_ELF = elf64
#LD_PIE = --pic-executable
LD_PIE =
endif
ifdef EFI_BUILD
all: makeoutputdirs $(filter-out %bios.o,$(COBJS) $(SOBJS)) codepage.o
else
all: makeoutputdirs $(BTARGET)
endif
makeoutputdirs:
@mkdir -p $(sort $(dir $(COBJ) $(SOBJ)))
kwdhash.gen: keywords genhash.pl
$(PERL) $(SRC)/genhash.pl < $(SRC)/keywords > $(OBJ)/kwdhash.gen
.PRECIOUS: %.elf
%.raw: %.elf
$(OBJCOPY) -O binary -S $< $(@:.bin=.raw)
# GNU make 3.82 gets confused by the first form
.PRECIOUS: $(OBJ)/%.raw
%.bin: %.raw $(PREPCORE)
$(PREPCORE) $< $@
%.o: %.asm kwdhash.gen $(OBJ)/../version.gen
$(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \
-DHEXDATE="$(HEXDATE)" \
-D$(ARCH) \
-I$(SRC)/ \
-l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $<
AUXLIBS = libisolinux.a libisolinux-debug.a libldlinux.a \
libpxelinux.a liblpxelinux.a
LDSCRIPT = $(SRC)/$(ARCH)/syslinux.ld
%.elf: %.o $(LIBDEP) $(LDSCRIPT) $(AUXLIBS)
$(LD) $(LDFLAGS) -Bsymbolic $(LD_PIE) -E --hash-style=gnu -T $(LDSCRIPT) -M -o $@ $< \
--start-group $(LIBS) $(subst $(*F).elf,lib$(*F).a,$@) --end-group \
> $(@:.elf=.map)
$(OBJDUMP) -h $@ > $(@:.elf=.sec)
$(PERL) $(SRC)/lstadjust.pl $(@:.elf=.lsr) $(@:.elf=.sec) $(@:.elf=.lst)
libisolinux.a: rawcon.o localboot.o isolinux-c.o
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
libisolinux-debug.a: libisolinux.a
cp $^ $@
# Legacy network stack
libpxelinux.a: rawcon.o pxeboot.o pxelinux-c.o $(PXELINUX_OBJS)
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
# LwIP network stack
liblpxelinux.a: rawcon.o pxeboot.o pxelinux-c.o $(LPXELINUX_OBJS)
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
libldlinux.a: plaincon.o localboot.o ldlinux-c.o
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
$(LIB): $(LIBOBJS)
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
pxelinux.o: pxelinux.asm kwdhash.gen ../version.gen
$(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \
-DHEXDATE="$(HEXDATE)" \
-D$(ARCH) \
-I$(SRC)/ \
-DIS_LPXELINUX=0 \
-l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $<
pxelinux.0: pxelinux.bin
cp -f $< $@
lpxelinux.o: pxelinux.asm kwdhash.gen ../version.gen
$(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \
-DHEXDATE="$(HEXDATE)" \
-D$(ARCH) \
-I$(SRC)/ \
-DIS_LPXELINUX=1 \
-l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $<
lpxelinux.0: lpxelinux.bin
cp -f $< $@
ldlinux.bss: ldlinux.bin
dd if=$< of=$@ bs=512 count=1
ldlinux.sys: ldlinux.bin
dd if=$< of=$@ bs=512 skip=2
codepage.cp: $(OBJ)/../codepage/$(CODEPAGE).cp
cp -f $< $@
codepage.o: codepage.S codepage.cp
install: installer
install-lib: installer
install-all: install install-lib
netinstall: installer
tidy dist:
find . -type f \( -name '*.o' -o -name '*.a' -o -name '.*.d' \
-o -name '*.lst' \) -print | xargs -rt rm -f
rm -f codepage.cp *.elf stupid.* patch.offset .depend
rm -f *.elf.tmp *.sym
rm -f *.lsr *.map *.sec *.raw
rm -f $(OBSOLETE) $(LIB)
clean: tidy
spotless: clean
rm -f $(BTARGET) *.bin *_bin.c
# Include dependencies file
-include $(shell find . -name '.*.d' -print)
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