first commit

build/Makefile

@@ -0,0 +1,97 @@
+# **********************************************
+# ls1x project
+# **********************************************
+# Name of application
+
+# **********************************************
+# Tools
+# **********************************************
+#CROSS_COMPILE = loongarch32-linux-gnu-
+#CROSS_COMPILE = loongarch32-linux-gnusf-
+#CROSS_COMPILE =  /opt/loongarch32-linux-gnu-2022-04-15/bin/loongarch32-linux-gnu-
+
+CC        = $(CROSS_COMPILE)gcc$(EXE)
+LD        = $(CROSS_COMPILE)ld$(EXE)
+OBJCOPY   = $(CROSS_COMPILE)objcopy$(EXE)
+OBJDUMP   = $(CROSS_COMPILE)objdump$(EXE)
+STRIP     = $(CROSS_COMPILE)strip$(EXE)
+SIZE	  = $(CROSS_COMPILE)size$(EXE)
+
+# **********************************************
+# Directories
+# **********************************************
+BUILD_DIR = $(ROOT_DIR)/build
+TARGET	  = $(ROOT_DIR)/target
+APP	  	  = $(ROOT_DIR)/App/Src
+USER      = $(ROOT_DIR)/user
+DRIVER    = $(ROOT_DIR)/driver
+TOOL   	  = $(ROOT_DIR)/tool
+
+
+
+BOARD = $(MCU)
+BOARDNAME = $(MCU)
+IMAGENAME = $(MCU)_demo
+PRIVATE	  = $(ROOT_DIR)/private
+#BCMDLINE  = $(ROOT_DIR)/user/$(BOARD)_cmdline.o
+BCMDLINE  = $(ROOT_DIR)/user/main.o
+BCOMMAND  = $(ROOT_DIR)/user/$(BOARD)_cmd.o
+BINT      = $(ROOT_DIR)/user/$(BOARD)_Interrupt.o
+
+SRCDIR    = $(TARGET) $(PUBLIC) $(PRIVATE)  $(DRIVER) $(TOOL)
+VPATH     = $(SRCDIR) $(USER)
+
+# **********************************************
+# Image file names and map file
+# **********************************************
+IMAGE_ELF = $(IMAGENAME).elf
+IMAGE_BIN = $(IMAGENAME).bin
+IMAGE_MAP = $(IMAGENAME).map
+
+# **********************************************
+# Compiler and linker options
+# **********************************************
+INCLUDE	+= -I$(ROOT_DIR)/include -I$(ROOT_DIR)/public -I$(PRIVATE) -I$(TARGET) -I$(DRIVER) -I$(TOOL)
+
+FLAGS   = -std=gnu99 -O0 -ffunction-sections -fdata-sections -msoft-float -fsched-pressure -fno-builtin -D $(BOARDNAME) 
+
+CC_OPTS	 = $(DEBUG) $(FLAGS) $(INCLUDE) 
+CC_COPTS = $(DEBUG) $(FLAGS) $(INCLUDE) 
+
+LD_SCRIPT = ld.script
+LD_OPTS   = -G 0 -static -T $(LD_SCRIPT) -Map $(IMAGE_MAP) --gc-sections
+
+# **********************************************
+# Files to be compiled
+# **********************************************
+
+SRC_C  = $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.c))
+SRC_S  = $(foreach dir, $(SRCDIR), $(wildcard $(dir)/*.S))
+SRC    = $(SRC_C) $(SRC_S)
+OBJ_C  = $(notdir $(patsubst %.c, %.o, $(SRC_C)))
+OBJ_C += $(notdir $(BCMDLINE))
+OBJ_C += $(notdir $(BCOMMAND))
+OBJ_C += $(notdir $(BINT))
+OBJ_S  = start.o $(filter-out start.o, $(notdir $(patsubst %.S, %.o, $(SRC_S))))
+LS1C1X_OBJ = $(OBJ_S) $(OBJ_C)
+
+# **********************************************
+# Rules
+# **********************************************
+.PHONY : all
+all : $(IMAGE_BIN) 
+$(IMAGE_BIN):$(LS1C1X_OBJ) 
+	$(LD) $(LD_OPTS) -o $(IMAGE_ELF) $^ -Map $(IMAGE_MAP)
+	$(OBJCOPY) -O binary $(IMAGE_ELF) $(IMAGE_BIN)
+	$(SIZE) $(IMAGE_ELF)
+	$(OBJDUMP) -alD $(IMAGE_ELF) > $(IMAGENAME).s
+
+$(OBJ_C) : %.o : %.c 
+	$(CC) $(CC_COPTS) -g -Og -c -o $@ $^
+$(OBJ_S) : %.o : %.S
+	$(CC) $(CC_OPTS) -g -Og -c -o $@ $^
+
+
+.PHONY : clean 
+clean :
+	rm -rf *.o *.elf *.map *.bin *.s *.a