src/Makefile

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