core/Makefile

   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)