src/Makefile

   1 # Location to place generated files
   2 #
   3 BIN             := bin
   4
   5 # Initialise variables that get added to throughout the various Makefiles
   6 #
   7 MAKEDEPS        := Makefile .toolcheck .echocheck
   8 SRCDIRS         :=
   9 SRCS            :=
  10 NON_AUTO_SRCS   :=
  11 DRIVERS         :=
  12 ROMS            :=
  13 MEDIA           :=
  14 NON_AUTO_MEDIA  :=
  15
  16 # Locations of utilities
  17 #
  18 HOST_CC         := gcc
  19 RM              := rm -f
  20 TOUCH           := touch
  21 MKDIR           := mkdir
  22 CP              := cp
  23 ECHO            := echo
  24 PRINTF          := printf
  25 PERL            := /usr/bin/perl
  26 CC              := $(CROSS_COMPILE)gcc
  27 CPP             := $(CROSS_COMPILE)gcc -E -Wp,-Wall
  28 AS              := $(CROSS_COMPILE)as
  29 LD              := $(CROSS_COMPILE)ld
  30 SIZE            := $(CROSS_COMPILE)size
  31 AR              := $(CROSS_COMPILE)ar
  32 RANLIB          := $(CROSS_COMPILE)ranlib
  33 OBJCOPY         := $(CROSS_COMPILE)objcopy
  34 NM              := $(CROSS_COMPILE)nm
  35 OBJDUMP         := $(CROSS_COMPILE)objdump
  36 PARSEROM        := $(PERL) ./util/parserom.pl
  37 MAKEROM         := $(PERL) ./util/makerom.pl
  38 MKCONFIG        := $(PERL) ./util/mkconfig.pl
  39 SYMCHECK        := $(PERL) ./util/symcheck.pl
  40 SORTOBJDUMP     := $(PERL) ./util/sortobjdump.pl
  41 NRV2B           := ./util/nrv2b
  42 ZBIN            := ./util/zbin
  43 DOXYGEN         := doxygen
  44
  45 # If invoked with no build target, print out a helpfully suggestive
  46 # message.
  47 #
  48 noargs : blib $(BIN)/NIC $(BIN)/gpxe.dsk $(BIN)/gpxe.iso $(BIN)/gpxe.usb $(BIN)/undionly.kpxe
  49         @$(ECHO) '==========================================================='
  50         @$(ECHO)
  51         @$(ECHO) 'To create a bootable floppy, type'
  52         @$(ECHO) '    cat $(BIN)/gpxe.dsk > /dev/fd0'
  53         @$(ECHO) 'where /dev/fd0 is your floppy drive.  This will erase any'
  54         @$(ECHO) 'data already on the disk.'
  55         @$(ECHO)
  56         @$(ECHO) 'To create a bootable USB key, type'
  57         @$(ECHO) '    cat $(BIN)/gpxe.usb > /dev/sdX'
  58         @$(ECHO) 'where /dev/sdX is your USB key, and is *not* a real hard'
  59         @$(ECHO) 'disk on your system.  This will erase any data already on'
  60         @$(ECHO) 'the USB key.'
  61         @$(ECHO)
  62         @$(ECHO) 'To create a bootable CD-ROM, burn the ISO image '
  63         @$(ECHO) '$(BIN)/gpxe.iso to a blank CD-ROM.'
  64         @$(ECHO)
  65         @$(ECHO) 'These images contain drivers for all supported cards.  You'
  66         @$(ECHO) 'can build more customised images, and ROM images, using'
  67         @$(ECHO) '    make bin/<rom-name>.<output-format>'
  68         @$(ECHO)
  69         @$(ECHO) '==========================================================='
  70
  71 # If no architecture is specified in Config or on the command-line,
  72 # use that of the build machine.
  73 #
  74 ARCH            := $(shell uname -m | sed -e 's,i[3456789]86,i386,')
  75
  76 # handle x86_64 like i386, but set -m32 option for 32bit code only
  77 ifeq ($(ARCH),x86_64)
  78 ARCH            := i386
  79 CFLAGS          += -m32
  80 ASFLAGS         += --32
  81 LDFLAGS         += -m elf_i386
  82 endif
  83
  84 # Drag in architecture-specific Config
  85 #
  86 MAKEDEPS        += arch/$(ARCH)/Config
  87 include arch/$(ARCH)/Config
  88
  89 # Common flags
  90 #
  91 CFLAGS          += -I include -I arch/$(ARCH)/include -I . -DARCH=$(ARCH)
  92 CFLAGS          += -Os -ffreestanding
  93 CFLAGS          += -Wall -W
  94 CFLAGS          += -g
  95 CFLAGS          += $(EXTRA_CFLAGS)
  96 ASFLAGS         += $(EXTRA_ASFLAGS)
  97 LDFLAGS         += $(EXTRA_LDFLAGS)
  98
  99 # Embedded image, if present
 100 #
 101 EMBEDDED_IMAGE   = /dev/null
 102
 103 ifneq ($(NO_WERROR),1)
 104 CFLAGS          += -Werror
 105 endif
 106
 107 # CFLAGS for specific object types
 108 #
 109 CFLAGS_c        +=
 110 CFLAGS_S        += -DASSEMBLY
 111
 112 # Base object name of the current target
 113 #
 114 OBJECT          = $(firstword $(subst ., ,$(@F)))
 115
 116 # CFLAGS for specific object files.  You can define
 117 # e.g. CFLAGS_rtl8139, and have those flags automatically used when
 118 # compiling bin/rtl8139.o.
 119 #
 120 OBJ_CFLAGS      = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
 121 $(BIN)/%.flags :
 122         @$(ECHO) $(OBJ_CFLAGS)
 123
 124 # Rules for specific object types.
 125 #
 126 COMPILE_c       = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
 127 RULE_c          = $(Q)$(COMPILE_c) -c $< -o $@
 128 RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -Ddebug_$(OBJECT)=$* -c $< -o $@
 129 RULE_c_to_c     = $(Q)$(COMPILE_c) -E -c $< > $@
 130 RULE_c_to_s     = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
 131
 132 PREPROCESS_S    = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
 133 ASSEMBLE_S      = $(AS) $(ASFLAGS)
 134 RULE_S          = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
 135 RULE_S_to_s     = $(Q)$(PREPROCESS_S) $< > $@
 136
 137 DEBUG_TARGETS   += dbg%.o c s
 138
 139 # SRCDIRS lists all directories containing source files.
 140 #
 141 SRCDIRS         += libgcc
 142 SRCDIRS         += core
 143 SRCDIRS         += proto
 144 SRCDIRS         += net net/tcp net/udp
 145 SRCDIRS         += image
 146 SRCDIRS         += drivers/bus
 147 SRCDIRS         += drivers/net
 148 SRCDIRS         += drivers/net/e1000
 149 SRCDIRS         += drivers/net/phantom
 150 SRCDIRS         += drivers/block
 151 SRCDIRS         += drivers/nvs
 152 SRCDIRS         += drivers/bitbash
 153 SRCDIRS         += drivers/infiniband
 154 SRCDIRS         += interface/pxe
 155 SRCDIRS         += tests
 156 SRCDIRS         += crypto crypto/axtls crypto/matrixssl
 157 SRCDIRS         += hci hci/commands hci/tui
 158 SRCDIRS         += hci/mucurses hci/mucurses/widgets
 159 SRCDIRS         += usr
 160
 161 # NON_AUTO_SRCS lists files that are excluded from the normal
 162 # automatic build system.
 163 #
 164 NON_AUTO_SRCS   += core/elf_loader.c
 165 NON_AUTO_SRCS   += drivers/net/prism2.c
 166
 167 # Rules for finalising files.  TGT_MAKEROM_FLAGS is defined as part of
 168 # the automatic build system and varies by target; it includes the
 169 # "-p 0x1234,0x5678" string to set the PCI IDs.
 170 #
 171 FINALISE_rom    = $(MAKEROM) $(MAKEROM_FLAGS) $(TGT_MAKEROM_FLAGS) \
 172                   -i$(IDENT) -s 0 $@
 173
 174 # Some ROMs require specific flags to be passed to makerom.pl
 175 #
 176 MAKEROM_FLAGS_3c503 = -3
 177
 178 # Drag in architecture-specific Makefile
 179 #
 180 MAKEDEPS        += arch/$(ARCH)/Makefile
 181 include arch/$(ARCH)/Makefile
 182
 183 # Drag in the automatic build system and other housekeeping functions
 184 MAKEDEPS        += Makefile.housekeeping
 185 include Makefile.housekeeping