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 # If no architecture is specified in Config or on the command-line,
  18 # use that of the build machine.
  19 #
  20 ifndef ARCH
  21 ARCH            := $(shell uname -m | sed -e s,i[3456789]86,i386,)
  22 endif
  23
  24 # Drag in architecture-specific Config
  25 #
  26 MAKEDEPS        += arch/$(ARCH)/Config
  27 include arch/$(ARCH)/Config
  28
  29 # If invoked with no build target, print out a helpfully suggestive
  30 # message.
  31 #
  32 noargs :
  33         @echo '===================================================='
  34         @echo
  35         @echo ' *** WARNING: THE INSTRUCTIONS BELOW DO NOT FULLY WORK YET !!!  ***'
  36         @echo ' ***                    PLEASE STAY TUNED                       ***'
  37         @echo
  38         @echo 'No target specified. To specify a target, do: '
  39         @echo
  40         @echo '    make bin/<rom-name>.<output-format> '
  41         @echo
  42         @echo 'where <output-format> is one of {$(MEDIA) }'
  43         @echo
  44         @echo 'or: '
  45         @echo
  46         @echo '    make all<output-format>s'
  47         @echo
  48         @echo 'to generate all possible images of format <output-format>'
  49         @echo
  50         @echo 'For example, '
  51         @echo
  52         @echo '    make allzroms '
  53         @echo
  54         @echo 'will generate all possible .zrom (rom burnable) images, and'
  55         @echo
  56         @echo '    make allzdsks'
  57         @echo
  58         @echo 'will generate all possible .zdsk (bootable floppy) images, or'
  59         @echo
  60         @echo '===================================================='
  61         @exit 1
  62
  63 # Locations of utilities
  64 #
  65 HOST_CC         ?= gcc
  66 CPP             ?= gcc -E -Wp,-Wall
  67 RM              ?= rm -f
  68 TOUCH           ?= touch
  69 MKDIR           ?= mkdir
  70 PERL            ?= /usr/bin/perl
  71 CC              ?= $(CROSS_COMPILE)gcc
  72 AS              ?= $(CROSS_COMPILE)as
  73 LD              ?= $(CROSS_COMPILE)ld
  74 SIZE            ?= $(CROSS_COMPILE)size
  75 AR              ?= $(CROSS_COMPILE)ar
  76 RANLIB          ?= $(CROSS_COMPILE)ranlib
  77 OBJCOPY         ?= $(CROSS_COMPILE)objcopy
  78 NM              ?= $(CROSS_COMPILE)nm
  79 OBJDUMP         ?= $(CROSS_COMPILE)objdump
  80 PARSEROM        ?= $(PERL) ./util/parserom.pl
  81 MAKEROM         ?= $(PERL) ./util/makerom.pl
  82 MKCONFIG        ?= $(PERL) ./util/mkconfig.pl
  83 SYMCHECK        ?= $(PERL) ./util/symcheck.pl
  84 SORTOBJDUMP     ?= $(PERL) ./util/sortobjdump.pl
  85 NRV2B           ?= ./util/nrv2b
  86 DOXYGEN         ?= doxygen
  87
  88 # Location to place generated files
  89 #
  90 BIN             ?= bin
  91
  92 # Common flags
  93 #
  94 CFLAGS          += -I include -I arch/$(ARCH)/include -I . -DARCH=$(ARCH)
  95 CFLAGS          += -Os -ffreestanding
  96 CFLAGS          += -Wall -W
  97 CFLAGS          += -g
  98 CFLAGS          += $(EXTRA_CFLAGS)
  99 ASFLAGS         += $(EXTRA_ASFLAGS)
 100 LDFLAGS         += $(EXTRA_LDFLAGS)
 101
 102 # CFLAGS for specific object types
 103 #
 104 CFLAGS_c        +=
 105 CFLAGS_S        += -DASSEMBLY
 106
 107 # Base object name of the current target
 108 #
 109 OBJECT          = $(firstword $(subst ., ,$(@F)))
 110
 111 # CFLAGS for specific object files.  You can define
 112 # e.g. CFLAGS_rtl8139, and have those flags automatically used when
 113 # compiling bin/rtl8139.o.
 114 #
 115 OBJ_CFLAGS      = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
 116 $(BIN)/%.flags :
 117         @echo $(OBJ_CFLAGS)
 118
 119 # Rules for specific object types.
 120 #
 121 COMPILE_c       = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
 122 RULE_c          = $(Q)$(COMPILE_c) -c $< -o $@
 123 RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -Ddebug_$(OBJECT)=$* -c $< -o $@
 124 RULE_c_to_c     = $(Q)$(COMPILE_c) -E -c $< > $@
 125 RULE_c_to_s     = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
 126
 127 PREPROCESS_S    = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
 128 ASSEMBLE_S      = $(AS) $(ASFLAGS)
 129 RULE_S          = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
 130 RULE_S_to_s     = $(Q)$(PREPROCESS_S) $< > $@
 131
 132 DEBUG_TARGETS   += dbg%.o c s
 133
 134 # SRCDIRS lists all directories containing source files.
 135 #
 136 SRCDIRS         += core
 137 SRCDIRS         += proto
 138 SRCDIRS         += net net/tcp net/udp
 139 SRCDIRS         += image
 140 SRCDIRS         += drivers/bus
 141 SRCDIRS         += drivers/net
 142 SRCDIRS         += drivers/block
 143 SRCDIRS         += drivers/scsi
 144 SRCDIRS         += drivers/ata
 145 SRCDIRS         += drivers/nvs
 146 SRCDIRS         += drivers/bitbash
 147 SRCDIRS         += interface/pxe
 148 SRCDIRS         += tests
 149 SRCDIRS         += crypto crypto/axtls crypto/matrixssl
 150 SRCDIRS         += hci hci/commands hci/tui
 151 SRCDIRS         += hci/mucurses hci/mucurses/widgets
 152 SRCDIRS         += usr
 153
 154 # NON_AUTO_SRCS lists files that are excluded from the normal
 155 # automatic build system.
 156 #
 157 NON_AUTO_SRCS   += core/elf_loader.c
 158 NON_AUTO_SRCS   += drivers/net/prism2.c
 159
 160 # Rules for finalising files.  TGT_MAKEROM_FLAGS is defined as part of
 161 # the automatic build system and varies by target; it includes the
 162 # "-p 0x1234,0x5678" string to set the PCI IDs.
 163 #
 164 FINALISE_rom    = $(MAKEROM) $(MAKEROM_FLAGS) $(TGT_MAKEROM_FLAGS) \
 165                   -i$(IDENT) $@
 166
 167 # Some ROMs require specific flags to be passed to makerom.pl
 168 #
 169 MAKEROM_FLAGS_3c503 = -3
 170
 171 # Drag in architecture-specific Makefile
 172 #
 173 MAKEDEPS        += arch/$(ARCH)/Makefile
 174 include arch/$(ARCH)/Makefile
 175
 176 # Drag in the automatic build system and other housekeeping functions
 177 MAKEDEPS        += Makefile.housekeeping
 178 include Makefile.housekeeping