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common.mk
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# #############################################################################
# Common Oscillator Makefile
# #############################################################################
SDKDIR ?= ../logue-sdk
PROJECTDIR ?= .
INSTALLDIR ?= ..
TOOLSDIR ?= $(SDKDIR)/tools
EXTDIR ?= $(SDKDIR)/platform/ext
LDDIR ?= $(SDKDIR)/platform/ld
ZIP ?= /usr/bin/zip
ZIP_ARGS := -r -m -q
# #############################################################################
# configure cross compilation
# #############################################################################
MCU ?= cortex-m4
#MCU_MODEL ?= STM32F401xC
GCC_TARGET := arm-none-eabi-
GCC_BIN_PATH ?= $(TOOLSDIR)/gcc/gcc-arm-none-eabi-10-2020-q4-major/bin
CC := $(GCC_BIN_PATH)/$(GCC_TARGET)gcc
CXXC := $(GCC_BIN_PATH)/$(GCC_TARGET)g++
LD := $(GCC_BIN_PATH)/$(GCC_TARGET)gcc
#LD := $(GCC_BIN_PATH)/$(GCC_TARGET)g++
CP := $(GCC_BIN_PATH)/$(GCC_TARGET)objcopy
AS := $(GCC_BIN_PATH)/$(GCC_TARGET)gcc -x assembler-with-cpp
AR := $(GCC_BIN_PATH)/$(GCC_TARGET)ar
OD := $(GCC_BIN_PATH)/$(GCC_TARGET)objdump
SZ := $(GCC_BIN_PATH)/$(GCC_TARGET)size
HEX := $(CP) -O ihex
BIN := $(CP) -O binary
RULESPATH := $(LDDIR)
LDSCRIPT := $(LDDIR)/userosc.ld
DLIBS := -lm
DADEFS := -D$(MCU_MODEL) -DUSER_TARGET_PLATFORM=$(USER_TARGET_PLATFORM) -DCORTEX_USE_FPU=TRUE -DARM_MATH_CM4
DDEFS := -D$(MCU_MODEL) -DUSER_TARGET_PLATFORM=$(USER_TARGET_PLATFORM) -DCORTEX_USE_FPU=TRUE -DARM_MATH_CM4 -D__FPU_PRESENT
COPT := -std=c11
CXXOPT := -std=c++11 -fno-rtti -fno-exceptions -fno-non-call-exceptions
LDOPT := -Xlinker --just-symbols=$(LDDIR)/osc_api.syms
CWARN := -W -Wall -Wextra -Wdouble-promotion
CXXWARN := $(CWARN)
# -Wconversion generates a lot of warnings in logue sdk headers
#CWARN += -Wconversion
#CXXWARN += -Wconversion
FPU_OPTS := -mfloat-abi=hard -mfpu=fpv4-sp-d16 -fsingle-precision-constant -fcheck-new
OPT := -O3 -mlittle-endian
OPT += $(FPU_OPTS)
# Warning: -ffast-math may generate numerical errors!
# see: https://kristerw.github.io/2021/10/19/fast-math/
OPT += -ffast-math
TOPT := -mthumb -mno-thumb-interwork -DTHUMB_NO_INTERWORKING -DTHUMB_PRESENT
# #############################################################################
# set targets and directories
# #############################################################################
MANIFEST := manifest.json
PAYLOAD := payload.bin
BUILDDIR := ./build
OBJDIR := $(BUILDDIR)/obj
LSTDIR := $(BUILDDIR)/lst
ASMSRC := $(UASMSRC)
ASMXSRC := $(UASMXSRC)
CSRC := $(SDKDIR)/platform/tpl/_unit.c $(UCSRC)
CXXSRC := $(UCXXSRC)
vpath %.s $(sort $(dir $(ASMSRC)))
vpath %.S $(sort $(dir $(ASMXSRC)))
vpath %.c $(sort $(dir $(CSRC)))
vpath %.cpp $(sort $(dir $(CXXSRC)))
ASMOBJS := $(addprefix $(OBJDIR)/, $(notdir $(ASMSRC:.s=.o)))
ASMXOBJS := $(addprefix $(OBJDIR)/, $(notdir $(ASMXSRC:.S=.o)))
COBJS := $(addprefix $(OBJDIR)/, $(notdir $(CSRC:.c=.o)))
CXXOBJS := $(addprefix $(OBJDIR)/, $(notdir $(CXXSRC:.cpp=.o)))
OBJS := $(ASMXOBJS) $(ASMOBJS) $(COBJS) $(CXXOBJS)
SDKDIR ?= ../logue-sdk
DINCDIR := $(SDKDIR)/platform/inc \
$(SDKDIR)/platform/inc/dsp \
$(SDKDIR)/platform/inc/utils \
$(SDKDIR)/platform/inc/CMSIS
INCDIR := $(patsubst %,-I%,$(DINCDIR) $(UINCDIR))
DEFS := $(DDEFS) $(UDEFS)
ADEFS := $(DADEFS) $(UADEFS)
LIBS := $(DLIBS) $(ULIBS)
LIBDIR := $(patsubst %,-I%,$(DLIBDIR) $(ULIBDIR))
HEADERDEPS = $(wildcard ../src/*.h)
# #############################################################################
# compiler flags
# #############################################################################
MCFLAGS := -mcpu=$(MCU)
ODFLAGS := -x --syms
ASFLAGS = $(MCFLAGS) -g $(TOPT) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.s=.lst)) $(ADEFS)
ASXFLAGS = $(MCFLAGS) -g $(TOPT) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.S=.lst)) $(ADEFS)
CFLAGS = $(MCFLAGS) $(TOPT) $(OPT) $(COPT) $(CWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.c=.lst)) $(DEFS)
CXXFLAGS = $(MCFLAGS) $(TOPT) $(OPT) $(CXXOPT) $(CXXWARN) -Wa,-alms=$(LSTDIR)/$(notdir $(<:.cpp=.lst)) $(DEFS)
LDFLAGS := $(MCFLAGS) $(TOPT) $(OPT) -nostartfiles $(LIBDIR) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--library-path=$(RULESPATH),--script=$(LDSCRIPT) $(LDOPT)
OUTFILES := $(BUILDDIR)/$(PROJECT).elf \
$(BUILDDIR)/$(PROJECT).hex \
$(BUILDDIR)/$(PROJECT).bin \
$(BUILDDIR)/$(PROJECT).dmp \
$(BUILDDIR)/$(PROJECT).list
###############################################################################
# targets
###############################################################################
all: PRE_ALL $(OBJS) $(OUTFILES) POST_ALL
@echo Done
@echo
PRE_ALL:
POST_ALL:
$(OBJS): | $(BUILDDIR) $(OBJDIR) $(LSTDIR)
$(BUILDDIR):
@echo Compiler Options
@echo $(CC) -c $(CFLAGS) -I. $(INCDIR)
@echo
@mkdir -p $(BUILDDIR)
$(OBJDIR):
@mkdir -p $(OBJDIR)
$(LSTDIR):
@mkdir -p $(LSTDIR)
$(ASMOBJS) : $(OBJDIR)/%.o : %.s Makefile
@echo Assembling $(<F)
@$(AS) -c $(ASFLAGS) -I. $(INCDIR) $< -o $@
$(ASMXOBJS) : $(OBJDIR)/%.o : %.S Makefile
@echo Assembling $(<F)
@$(CC) -c $(ASXFLAGS) -I. $(INCDIR) $< -o $@
$(COBJS) : $(OBJDIR)/%.o : %.c $(HEADERDEPS) Makefile
@echo Compiling $(<F)
@$(CC) -c $(CFLAGS) -I. $(INCDIR) $< -o $@
$(CXXOBJS) : $(OBJDIR)/%.o : %.cpp $(HEADERDEPS) Makefile
@echo Compiling $(<F)
@$(CXXC) -c $(CXXFLAGS) -I. $(INCDIR) $< -o $@
$(BUILDDIR)/%.elf: $(OBJS) $(LDSCRIPT)
@echo Linking $@
@$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
%.hex: %.elf
@echo Creating $@
@$(HEX) $< $@
%.bin: %.elf
@echo Creating $@
@$(BIN) $< $@
%.dmp: %.elf
@echo Creating $@
@$(OD) $(ODFLAGS) $< > $@
@echo
@$(SZ) $<
@echo
%.list: %.elf
@echo Creating $@
@$(OD) -S $< > $@
clean:
@echo Cleaning
-rm -fR $(PROJECTDIR)/.dep $(BUILDDIR) $(PROJECTDIR)/$(PKGARCH)
@echo Done
@echo
$(BUILDDIR)/$(PKGARCH): | $(OBJS) $(OUTFILES)
@echo Packaging to $(BUILDDIR)/$(PKGARCH)
@mkdir -p $(BUILDDIR)/$(PROJECT)
@cp -a $(PROJECTDIR)/$(MANIFEST) $(BUILDDIR)/$(PROJECT)/
@cp -a $(BUILDDIR)/$(PROJECT).bin $(BUILDDIR)/$(PROJECT)/$(PAYLOAD)
@cd $(BUILDDIR) && $(ZIP) $(ZIP_ARGS) $(PROJECT).zip $(PROJECT)
@mv $(BUILDDIR)/$(PROJECT).zip $(BUILDDIR)/$(PKGARCH)
install: $(BUILDDIR)/$(PKGARCH)
@echo Deploying to $(INSTALLDIR)/$(PKGARCH)
@mv $(BUILDDIR)/$(PKGARCH) $(INSTALLDIR)/$(PKGARCH)
@echo Done
@echo