build/common.mk

   1 #Copyright (C) 2011 by Sagar G V
   2 #
   3 #Permission is hereby granted, free of charge, to any person obtaining a copy
   4 #of this software and associated documentation files (the "Software"), to deal
   5 #in the Software without restriction, including without limitation the rights
   6 #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 #copies of the Software, and to permit persons to whom the Software is
   8 #furnished to do so, subject to the following conditions:
   9 #
  10 #The above copyright notice and this permission notice shall be included in
  11 #all copies or substantial portions of the Software.
  12 #
  13 #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19 #THE SOFTWARE.
  20 #
  21 # Updates:
  22 #    Arthur Wolf & Adam Green in 2011 - 2012 - Updated to work with mbed.
  23 ###############################################################################
  24 # Check for undefined variables.
  25 ifndef PROJECT
  26 $(error makefile must set PROJECT variable.)
  27 endif
  28
  29 ifndef BUILD_DIR
  30 $(error makefile must set BUILD_DIR.)
  31 endif
  32
  33 # Set VERBOSE make variable to 1 to output all tool commands.
  34 VERBOSE?=0
  35 ifeq "$(VERBOSE)" "0"
  36 Q=@
  37 else
  38 Q=
  39 endif
  40
  41
  42 # Default variables.
  43 SRC ?= .
  44 BUILD_TYPE ?= Release
  45 MRI_BREAK_ON_INIT ?= 1
  46 MRI_UART ?= MRI_UART_MBED_USB
  47 HEAP_TAGS ?= 0
  48 WRITE_BUFFER_DISABLE ?= 0
  49 STACK_SIZE ?= 0
  50
  51
  52 # Configure MRI variables based on BUILD_TYPE build type variable.
  53 ifeq "$(BUILD_TYPE)" "Release"
  54 OPTIMIZATION ?= 2
  55 MRI_ENABLE = 0
  56 MRI_SEMIHOST_STDIO ?= 0
  57 endif
  58
  59
  60 ifeq "$(BUILD_TYPE)" "Debug"
  61 OPTIMIZATION = 0
  62 MRI_ENABLE ?= 1
  63 MRI_SEMIHOST_STDIO ?= 1
  64 endif
  65
  66
  67 ifeq "$(BUILD_TYPE)" "Checked"
  68 OPTIMIZATION ?= 2
  69 MRI_ENABLE = 1
  70 MRI_SEMIHOST_STDIO ?= 1
  71 endif
  72
  73 MRI_INIT_PARAMETERS=$(MRI_UART)
  74
  75 # Output Object Directory
  76 OUTDIR=../$(DEVICE)
  77
  78 # List of sources to be compiled/assembled
  79 CSRCS1 = $(wildcard $(SRC)/*.c $(SRC)/*/*.c $(SRC)/*/*/*.c $(SRC)/*/*/*/*.c $(SRC)/*/*/*/*/*.c $(SRC)/*/*/*/*/*/*.c)
  80 # Totally exclude network if NONETWORK is defined
  81 ifeq "$(NONETWORK)" "1"
  82 CSRCS2 = $(filter-out $(SRC)/libs/Network/%,$(CSRCS1))
  83 DEFINES += -DNONETWORK
  84 else
  85 CSRCS2 = $(CSRCS1)
  86 endif
  87
  88 # do not compile the src/testframework as that can only be done with rake
  89 CSRCS = $(filter-out $(SRC)/testframework/%,$(CSRCS2))
  90
  91 ifeq "$(DISABLEMSD)" "1"
  92 DEFINES += -DDISABLEMSD
  93 endif
  94
  95 ASRCS =  $(wildcard $(SRC)/*.S $(SRC)/*/*.S $(SRC)/*/*/*.S $(SRC)/*/*/*/*.S $(SRC)/*/*/*/*/*.S)
  96 ifneq "$(OS)" "Windows_NT"
  97 ASRCS +=  $(wildcard $(SRC)/*.s $(SRC)/*/*.s $(SRC)/*/*/*.s $(SRC)/*/*/*/*.s $(SRC)/*/*/*/*/*.s)
  98 endif
  99
 100 CPPSRCS1 = $(wildcard $(SRC)/*.cpp $(SRC)/*/*.cpp $(SRC)/*/*/*.cpp $(SRC)/*/*/*/*.cpp $(SRC)/*/*/*/*/*.cpp $(SRC)/*/*/*/*/*/*.cpp)
 101 ifeq "$(NONETWORK)" "1"
 102 CPPSRCS2 = $(filter-out $(SRC)/libs/Network/%,$(CPPSRCS1))
 103 else
 104         ifneq "$(PLAN9)" "1"
 105                 DEFINES += -DNOPLAN9
 106                 CPPSRCS2 = $(filter-out $(SRC)/libs/Network/uip/plan9/%,$(CPPSRCS1))
 107         else
 108                 CPPSRCS2 = $(CPPSRCS1)
 109         endif
 110 endif
 111
 112 # Totally exclude any modules listed in EXCLUDE_MODULES
 113 # uppercase function
 114 uc = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1))))))))))))))))))))))))))
 115 EXL = $(patsubst %,$(SRC)/modules/%/%,$(EXCLUDED_MODULES))
 116 CPPSRCS3 = $(filter-out $(EXL),$(CPPSRCS2))
 117 DEFINES += $(call uc, $(subst /,_,$(patsubst %,-DNO_%,$(EXCLUDED_MODULES))))
 118
 119 # do not compile the src/testframework as that can only be done with rake
 120 CPPSRCS = $(filter-out $(SRC)/testframework/%,$(CPPSRCS3))
 121
 122 # List of the objects files to be compiled/assembled
 123 OBJECTS = $(patsubst %.c,$(OUTDIR)/%.o,$(CSRCS)) $(patsubst %.s,$(OUTDIR)/%.o,$(patsubst %.S,$(OUTDIR)/%.o,$(ASRCS))) $(patsubst %.cpp,$(OUTDIR)/%.o,$(CPPSRCS))
 124
 125 # Add in the MBED customization stubs which allow hooking in the MRI debug monitor.
 126 OBJECTS += $(OUTDIR)/mbed_custom.o
 127
 128 OBJECTS += $(OUTDIR)/configdefault.o
 129
 130 # List of the header dependency files, one per object file.
 131 DEPFILES = $(patsubst %.o,%.d,$(OBJECTS))
 132
 133 # Linker script to be used.  Indicates what code should be placed where in memory.
 134 LSCRIPT=$(MBED_DIR)/$(DEVICE)/GCC_ARM/$(DEVICE).ld
 135
 136 # Location of external library and header dependencies.
 137 MBED_DIR = $(BUILD_DIR)/../mbed/drop
 138 MRI_DIR  = $(BUILD_DIR)/../mri
 139
 140 # Include path which points to external library headers and to subdirectories of this project which contain headers.
 141 SUBDIRS = $(wildcard $(SRC)/* $(SRC)/*/* $(SRC)/*/*/* $(SRC)/*/*/*/* $(SRC)/*/*/*/*/*)
 142 PROJINCS = $(sort $(dir $(SUBDIRS)))
 143 INCDIRS += $(SRC) $(PROJINCS) $(MRI_DIR) $(MBED_DIR) $(MBED_DIR)/$(DEVICE)
 144
 145 # DEFINEs to be used when building C/C++ code
 146 DEFINES += -DTARGET_$(DEVICE)
 147 DEFINES += -DMRI_ENABLE=$(MRI_ENABLE) -DMRI_INIT_PARAMETERS='"$(MRI_INIT_PARAMETERS)"'
 148 DEFINES += -DMRI_BREAK_ON_INIT=$(MRI_BREAK_ON_INIT) -DMRI_SEMIHOST_STDIO=$(MRI_SEMIHOST_STDIO)
 149 DEFINES += -DWRITE_BUFFER_DISABLE=$(WRITE_BUFFER_DISABLE) -DSTACK_SIZE=$(STACK_SIZE)
 150
 151 ifeq "$(OPTIMIZATION)" "0"
 152 DEFINES += -DDEBUG
 153 endif
 154
 155 # Libraries to be linked into final binary
 156 MBED_LIBS = $(MBED_DIR)/$(DEVICE)/GCC_ARM/libmbed.a
 157 #SYS_LIBS = -lstdc++_s -lsupc++_s -lm -lgcc -lc_s -lgcc -lc_s -lnosys
 158 SYS_LIBS = -specs=nano.specs -lstdc++ -lsupc++ -lm -lgcc -lc -lnosys
 159 LIBS = $(LIBS_PREFIX)
 160
 161 ifeq "$(MRI_ENABLE)" "1"
 162 LIBS += $(MRI_DIR)/mri.ar
 163 endif
 164
 165 LIBS += $(MBED_LIBS)
 166 LIBS += $(SYS_LIBS)
 167 LIBS += $(LIBS_SUFFIX)
 168
 169 # Compiler flags used to enable creation of header dependencies.
 170 DEPFLAGS = -MMD -MP
 171
 172 # Setup wraps for newlib read/writes to redirect to MRI debugger.
 173 ifeq "$(MRI_ENABLE)" "1"
 174 MRI_WRAPS=,--wrap=_read,--wrap=_write,--wrap=semihost_connected
 175 else
 176 MRI_WRAPS=
 177 endif
 178
 179 # Setup wraps to memory allocations routines if we want to tag heap allocations.
 180 ifeq "$(HEAP_TAGS)" "1"
 181 DEFINES += -DHEAP_TAGS
 182 endif
 183
 184 # Compiler Options
 185 GCFLAGS += -O$(OPTIMIZATION) -g3 $(DEVICE_CFLAGS)
 186 GCFLAGS += -ffunction-sections -fdata-sections  -fno-exceptions -fno-delete-null-pointer-checks
 187 GCFLAGS += $(patsubst %,-I%,$(INCDIRS))
 188 GCFLAGS += $(DEFINES)
 189 GCFLAGS += $(DEPFLAGS)
 190 GCFLAGS += -Wall -Wextra -Wno-unused-parameter -Wcast-align -Wpointer-arith -Wredundant-decls -Wcast-qual -Wcast-align
 191
 192 GPFLAGS += $(GCFLAGS) -fno-rtti -std=gnu++11
 193
 194 AS_GCFLAGS += -g3 $(DEVICE_FLAGS) -x assembler-with-cpp
 195 AS_GCFLAGS += $(patsubst %,-I%,$(INCDIRS))
 196 AS_FLAGS += -g3 $(DEVICE_FLAGS)
 197
 198
 199 # Linker Options.
 200 LDFLAGS = $(DEVICE_FLAGS) -specs=$(BUILD_DIR)/startfile.spec
 201 LDFLAGS += -Wl,-Map=$(OUTDIR)/$(PROJECT).map,--cref,--gc-sections,--wrap=_isatty,--wrap=malloc,--wrap=realloc,--wrap=free$(MRI_WRAPS)
 202 LDFLAGS += -T$(LSCRIPT)  -L $(EXTERNAL_DIR)/gcc/LPC1768
 203 ifneq "$(NO_FLOAT_SCANF)" "1"
 204 LDFLAGS += -u _scanf_float
 205 endif
 206 ifneq "$(NO_FLOAT_PRINTF)" "1"
 207 LDFLAGS += -u _printf_float
 208 endif
 209
 210
 211 #  Compiler/Assembler/Linker Paths
 212 GCC = arm-none-eabi-gcc
 213 GPP = arm-none-eabi-g++
 214 AS = arm-none-eabi-as
 215 LD = arm-none-eabi-g++
 216 OBJCOPY = arm-none-eabi-objcopy
 217 OBJDUMP = arm-none-eabi-objdump
 218 SIZE = arm-none-eabi-size
 219
 220 # Some tools are different on Windows in comparison to Unix.
 221 ifeq "$(OS)" "Windows_NT"
 222 REMOVE = del
 223 SHELL=cmd.exe
 224 REMOVE_DIR = rd /s /q
 225 MKDIR = mkdir
 226 QUIET=>nul 2>nul & exit 0
 227 BLANK_LINE=echo -
 228 else
 229 REMOVE = rm
 230 REMOVE_DIR = rm -r -f
 231 MKDIR = mkdir -p
 232 QUIET=> /dev/null 2>&1 ; exit 0
 233 BLANK_LINE=echo
 234 endif
 235
 236 # Create macro which will convert / to \ on Windows.
 237 ifeq "$(OS)" "Windows_NT"
 238 define convert-slash
 239 $(subst /,\,$1)
 240 endef
 241 else
 242 define convert-slash
 243 $1
 244 endef
 245 endif
 246
 247 #########################################################################
 248 .PHONY: all clean size
 249
 250 all:: $(OUTDIR)/$(PROJECT).hex $(OUTDIR)/$(PROJECT).bin $(OUTDIR)/$(PROJECT).disasm size
 251
 252 $(OUTDIR)/$(PROJECT).bin: $(OUTDIR)/$(PROJECT).elf
 253         @echo Extracting $@
 254         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 255         $(Q) $(OBJCOPY) -O binary $< $@
 256
 257 $(OUTDIR)/$(PROJECT).hex: $(OUTDIR)/$(PROJECT).elf
 258         @echo Extracting $@
 259         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 260         $(Q) $(OBJCOPY) -R .stack -O ihex $< $@
 261
 262 $(OUTDIR)/$(PROJECT).disasm: $(OUTDIR)/$(PROJECT).elf
 263         @echo Extracting disassembly to $@
 264         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 265         $(Q) $(OBJDUMP) -d -f -M reg-names-std --demangle $< >$@
 266
 267 $(OUTDIR)/$(PROJECT).elf: $(LSCRIPT) $(OBJECTS)
 268         @echo Linking $@
 269         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 270         $(Q) $(LD) $(LDFLAGS) $(OBJECTS) $(LIBS) -o $@
 271
 272 size: $(OUTDIR)/$(PROJECT).elf
 273         $(Q) $(SIZE) $<
 274         @$(BLANK_LINE)
 275
 276 clean:
 277         @echo Cleaning up all build generated files
 278         $(Q) $(REMOVE_DIR) $(OUTDIR) $(QUIET)
 279
 280 -include $(DEPFILES)
 281
 282 #########################################################################
 283 #  Default rules to compile .c and .cpp file to .o
 284 #  and assemble .s files to .o
 285
 286 $(OUTDIR)/mbed_custom.o : $(BUILD_DIR)/mbed_custom.cpp makefile
 287         @echo Compiling $<
 288         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 289         $(Q) $(GPP) $(GPFLAGS) -c $< -o $@
 290
 291 $(OUTDIR)/%.o : %.cpp makefile
 292         @echo Compiling $<
 293         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 294         $(Q) $(GPP) $(GPFLAGS) -c $< -o $@
 295
 296 $(OUTDIR)/%.o : %.c makefile
 297         @echo Compiling $<
 298         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 299         $(Q) $(GCC) $(GCFLAGS) -c $< -o $@
 300
 301 $(OUTDIR)/%.o : %.S makefile
 302         @echo Assembling $<
 303         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 304         $(Q) $(GCC) $(AS_GCFLAGS) -c $< -o $@
 305
 306 $(OUTDIR)/%.o : %.s makefile
 307         @echo Assembling $<
 308         $(Q) $(MKDIR) $(call convert-slash,$(dir $@)) $(QUIET)
 309         $(Q) $(AS) $(AS_FLAGS) -o $@ $<
 310
 311 $(OUTDIR)/configdefault.o : config.default
 312         $(Q) $(OBJCOPY) -I binary -O elf32-littlearm -B arm --readonly-text --rename-section .data=.rodata.configdefault $< $@
 313
 314 #########################################################################