1 ## ----------------------------------------------------------------------- 2 ## 3 ## Copyright 1998-2009 H. Peter Anvin - All Rights Reserved 4 ## Copyright 2009-2014 Intel Corporation; author: H. Peter Anvin 5 ## 6 ## This program is free software; you can redistribute it and/or modify 7 ## it under the terms of the GNU General Public License as published by 8 ## the Free Software Foundation, Inc., 53 Temple Place Ste 330, 9 ## Boston MA 02111-1307, USA; either version 2 of the License, or 10 ## (at your option) any later version; incorporated herein by reference. 11 ## 12 ## ----------------------------------------------------------------------- 13 14 # 15 # Makefile for the SYSLINUX core 16 # 17 18 VPATH = $(SRC) 19 20 # No builtin rules 21 MAKEFLAGS += -r 22 MAKE += -r 23 24 include $(MAKEDIR)/embedded.mk 25 -include $(objdir)/version.mk 26 27 OPTFLAGS = 28 INCLUDES = -I$(SRC)/include -I$(com32)/include -I$(com32)/include/sys -I$(com32)/lib \ 29 -I$(SRC)/lwip/src/include -I$(SRC)/lwip/src/include/ipv4 -I$(SRC)/fs/pxe 30 31 # This is very similar to cp437; technically it's for Norway and Denmark, 32 # but it's unlikely the characters that are different will be used in 33 # filenames by other users. 34 CODEPAGE = cp865 35 36 # The targets to build in this directory... 37 BTARGET = kwdhash.gen \ 38 ldlinux.bss ldlinux.sys ldlinux.bin \ 39 isolinux.bin isolinux-debug.bin pxelinux.0 lpxelinux.0 40 41 # All primary source files for the main syslinux files 42 NASMSRC := $(wildcard $(SRC)/*.asm) 43 NASMHDR := $(wildcard $(SRC)/*.inc) 44 CSRC := $(shell find $(SRC) -name '*.c' -print) 45 SSRC := $(shell find $(SRC) -name '*.S' -print) 46 CHDR := $(shell find $(SRC) -name '*.h' -print) 47 OTHERSRC := keywords 48 ALLSRC = $(NASMSRC) $(NASMHDR) $(CSRC) $(SSRC) $(CHDR) $(OTHERSRC) 49 50 COBJ := $(subst $(SRC)/,,$(patsubst %.c,%.o,$(CSRC))) 51 SOBJ := $(subst $(SRC)/,,$(patsubst %.S,%.o,$(SSRC))) 52 53 # To make this compatible with the following $(filter-out), make sure 54 # we prefix everything with $(SRC) 55 CORE_PXE_CSRC = \ 56 $(addprefix $(SRC)/fs/pxe/, dhcp_option.c pxe.c tftp.c urlparse.c bios.c) 57 58 LPXELINUX_CSRC = $(CORE_PXE_CSRC) \ 59 $(shell find $(SRC)/lwip -name '*.c' -print) \ 60 $(addprefix $(SRC)/fs/pxe/, \ 61 core.c dnsresolv.c ftp.c ftp_readdir.c gpxeurl.c http.c \ 62 http_readdir.c idle.c isr.c tcp.c) 63 64 PXELINUX_CSRC = $(CORE_PXE_CSRC) \ 65 $(shell find $(SRC)/legacynet -name '*.c' -print) 66 67 LPXELINUX_OBJS = $(subst $(SRC)/,,$(LPXELINUX_CSRC:%.c=%.o)) 68 PXELINUX_OBJS = $(subst $(SRC)/,,$(PXELINUX_CSRC:%.c=%.o)) 69 70 UNITTEST_CSRC = $(shell find $(SRC) -path '*/tests/*.c' -print) 71 UNITTEST_OBJS = $(subst $(SRC)/,,$(UNITTEST_CSRC:%.c=%.o)) 72 73 # Don't include console and network stack specific objects or unit tests 74 FILTER_OBJS = %rawcon.o %plaincon.o %pxelinux-c.o %ldlinux-c.o \ 75 %isolinux-c.o %localboot.o %pxeboot.o \ 76 $(subst $(OBJ)/,,$(UNITTEST_OBJS)) \ 77 $(subst $(OBJ)/,,$(LPXELINUX_OBJS)) \ 78 $(subst $(OBJ)/,,$(PXELINUX_OBJS)) 79 80 ifdef EFI_BUILD 81 # EFI is single-threaded, and doesn't use the LZO assembly decoder 82 FILTER_OBJS += $(subst $(SRC)/,, \ 83 $(patsubst %.S,%.o, $(wildcard $(SRC)/lzo/*.S)) \ 84 $(patsubst %.c,%.o, $(wildcard $(SRC)/thread/*.c)) \ 85 $(patsubst %.S,%.o, $(wildcard $(SRC)/thread/*.S))) 86 endif 87 88 COBJS = $(filter-out $(FILTER_OBJS),$(COBJ)) 89 SOBJS = $(filter-out $(FILTER_OBJS),$(SOBJ)) 90 91 ifdef EFI_BUILD 92 COBJS += $(subst $(SRC)/,,$(CORE_PXE_CSRC:%.c=%.o) fs/pxe/ftp.o fs/pxe/ftp_readdir.o \ 93 fs/pxe/http.o fs/pxe/http_readdir.o) 94 endif 95 96 LIB = libcom32.a 97 LIBS = $(LIB) --whole-archive $(objdir)/com32/lib/libcom32core.a 98 LIBDEP = $(filter-out -% %start%,$(LIBS)) 99 LIBOBJS = $(COBJS) $(SOBJS) 100 101 NASMDEBUG = -g -F dwarf 102 NASMOPT += $(NASMDEBUG) 103 104 PREPCORE = $(OBJ)/../lzo/prepcore 105 106 CFLAGS += -D__SYSLINUX_CORE__ -D__FIRMWARE_$(FIRMWARE)__ \ 107 -I$(objdir) -DLDLINUX=\"$(LDLINUX)\" 108 109 # The DATE is set on the make command line when building binaries for 110 # official release. Otherwise, substitute a hex string that is pretty much 111 # guaranteed to be unique to be unique from build to build. 112 ifndef HEXDATE 113 HEXDATE := $(shell $(PERL) $(SRC)/../now.pl $(SRCS)) 114 endif 115 ifndef DATE 116 DATE := $(shell sh $(SRC)/../gen-id.sh $(VERSION) $(HEXDATE)) 117 endif 118 119 # Set up the NASM and LD options for the architecture 120 NASM_ELF = "unknown" 121 LD_PIE = "unknown" 122 ifeq ($(ARCH),i386) 123 NASM_ELF = elf 124 LD_PIE = -pie 125 endif 126 ifeq ($(ARCH),x86_64) 127 NASM_ELF = elf64 128 #LD_PIE = --pic-executable 129 LD_PIE = 130 endif 131 132 ifdef EFI_BUILD 133 all: makeoutputdirs $(filter-out %bios.o,$(COBJS) $(SOBJS)) codepage.o 134 else 135 all: makeoutputdirs $(BTARGET) 136 endif 137 138 makeoutputdirs: 139 @mkdir -p $(sort $(dir $(COBJ) $(SOBJ))) 140 141 kwdhash.gen: keywords genhash.pl 142 $(PERL) $(SRC)/genhash.pl < $(SRC)/keywords > $(OBJ)/kwdhash.gen 143 144 .PRECIOUS: %.elf 145 146 %.raw: %.elf 147 $(OBJCOPY) -O binary -S $< $(@:.bin=.raw) 148 149 # GNU make 3.82 gets confused by the first form 150 .PRECIOUS: $(OBJ)/%.raw 151 152 %.bin: %.raw $(PREPCORE) 153 $(PREPCORE) $< $@ 154 155 %.o: %.asm kwdhash.gen $(OBJ)/../version.gen 156 $(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \ 157 -DHEXDATE="$(HEXDATE)" \ 158 -D$(ARCH) \ 159 -I$(SRC)/ \ 160 -l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $< 161 162 AUXLIBS = libisolinux.a libisolinux-debug.a libldlinux.a \ 163 libpxelinux.a liblpxelinux.a 164 LDSCRIPT = $(SRC)/$(ARCH)/syslinux.ld 165 166 %.elf: %.o $(LIBDEP) $(LDSCRIPT) $(AUXLIBS) 167 $(LD) $(LDFLAGS) -Bsymbolic $(LD_PIE) -E --hash-style=gnu -T $(LDSCRIPT) -M -o $@ $< \ 168 --start-group $(LIBS) $(subst $(*F).elf,lib$(*F).a,$@) --end-group \ 169 > $(@:.elf=.map) 170 $(OBJDUMP) -h $@ > $(@:.elf=.sec) 171 $(PERL) $(SRC)/lstadjust.pl $(@:.elf=.lsr) $(@:.elf=.sec) $(@:.elf=.lst) 172 173 libisolinux.a: rawcon.o localboot.o isolinux-c.o 174 rm -f $@ 175 $(AR) cq $@ $^ 176 $(RANLIB) $@ 177 178 libisolinux-debug.a: libisolinux.a 179 cp $^ $@ 180 181 # Legacy network stack 182 libpxelinux.a: rawcon.o pxeboot.o pxelinux-c.o $(PXELINUX_OBJS) 183 rm -f $@ 184 $(AR) cq $@ $^ 185 $(RANLIB) $@ 186 187 # LwIP network stack 188 liblpxelinux.a: rawcon.o pxeboot.o pxelinux-c.o $(LPXELINUX_OBJS) 189 rm -f $@ 190 $(AR) cq $@ $^ 191 $(RANLIB) $@ 192 193 libldlinux.a: plaincon.o localboot.o ldlinux-c.o 194 rm -f $@ 195 $(AR) cq $@ $^ 196 $(RANLIB) $@ 197 198 $(LIB): $(LIBOBJS) 199 rm -f $@ 200 $(AR) cq $@ $^ 201 $(RANLIB) $@ 202 203 pxelinux.o: pxelinux.asm kwdhash.gen ../version.gen 204 $(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \ 205 -DHEXDATE="$(HEXDATE)" \ 206 -D$(ARCH) \ 207 -I$(SRC)/ \ 208 -DIS_LPXELINUX=0 \ 209 -l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $< 210 211 pxelinux.0: pxelinux.bin 212 cp -f $< $@ 213 214 lpxelinux.o: pxelinux.asm kwdhash.gen ../version.gen 215 $(NASM) -f $(NASM_ELF) $(NASMOPT) -DDATE_STR="'$(DATE)'" \ 216 -DHEXDATE="$(HEXDATE)" \ 217 -D$(ARCH) \ 218 -I$(SRC)/ \ 219 -DIS_LPXELINUX=1 \ 220 -l $(@:.o=.lsr) -o $@ -MP -MD $(dir $@).$(notdir $@).d $< 221 222 lpxelinux.0: lpxelinux.bin 223 cp -f $< $@ 224 225 ldlinux.bss: ldlinux.bin 226 dd if=$< of=$@ bs=512 count=1 227 228 ldlinux.sys: ldlinux.bin 229 dd if=$< of=$@ bs=512 skip=2 230 231 codepage.cp: $(OBJ)/../codepage/$(CODEPAGE).cp 232 cp -f $< $@ 233 234 codepage.o: codepage.S codepage.cp 235 236 install: installer 237 238 install-lib: installer 239 240 install-all: install install-lib 241 242 netinstall: installer 243 244 tidy dist: 245 find . -type f \( -name '*.o' -o -name '*.a' -o -name '.*.d' \ 246 -o -name '*.lst' \) -print | xargs -rt rm -f 247 rm -f codepage.cp *.elf stupid.* patch.offset .depend 248 rm -f *.elf.tmp *.sym 249 rm -f *.lsr *.map *.sec *.raw 250 rm -f $(OBSOLETE) $(LIB) 251 252 clean: tidy 253 254 spotless: clean 255 rm -f $(BTARGET) *.bin *_bin.c 256 257 # Include dependencies file 258 -include $(shell find . -name '.*.d' -print) 259
