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[sw] use build folder for object files

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This commit is contained in:
Lukas Pajak 2024-11-28 10:38:00 +01:00
parent 3fe0b11cf5
commit 6fe5d36fd3
1 changed files with 37 additions and 20 deletions
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57
sw/common/common.mk
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@ -22,6 +22,9 @@ APP_INC ?= -I .
# User's application include folders - for assembly files only (don't forget the '-I' before each entry)
ASM_INC ?= -I .
# Build folder for output
BUILD_DIR ?= build
# Optimization
EFFORT ?= -Os
@ -82,12 +85,22 @@ APP_ASM = main.asm
APP_VHD = neorv32_application_image.vhd
BOOT_VHD = neorv32_bootloader_image.vhd
# Binary main file
BIN_MAIN = $(BUILD_DIR)/main.bin
# Define all sources
SRC = $(APP_SRC)
SRC += $(CORE_SRC)
# Define search path for prerequesites
VPATH = $(sort $(dir $(SRC)))
# Create the build directories if they don't exist
$(BUILD_DIR):
@mkdir -p $(BUILD_DIR)
# Define all object files
OBJ = $(SRC:%=%.o)
OBJ := $(patsubst %,$(BUILD_DIR)/%.o,$(notdir $(SRC)))
# -----------------------------------------------------------------------------
# Tools and flags
@ -156,20 +169,20 @@ $(IMAGE_GEN): $(NEORV32_EXG_PATH)/image_gen.c
# General targets: Assemble, compile, link, dump
# -----------------------------------------------------------------------------
# Compile app *.s sources (assembly)
%.s.o: %.s
@$(CC) -c $(NEO_ASFLAGS) -I $(NEORV32_INC_PATH) $(ASM_INC) $^ -o $@
$(BUILD_DIR)/%.s.o: %.s | $(BUILD_DIR)
@$(CC) -c $(NEO_ASFLAGS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
# Compile app *.S sources (assembly + C pre-processor)
%.S.o: %.S
@$(CC) -c $(NEO_ASFLAGS) -I $(NEORV32_INC_PATH) $(ASM_INC) $^ -o $@
$(BUILD_DIR)/%.S.o: %.S | $(BUILD_DIR)
@$(CC) -c $(NEO_ASFLAGS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
# Compile app *.c sources
%.c.o: %.c
@$(CC) -c $(NEO_CFLAGS) -I $(NEORV32_INC_PATH) $(APP_INC) $^ -o $@
$(BUILD_DIR)/%.c.o: %.c | $(BUILD_DIR)
@$(CC) -c $(NEO_CFLAGS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
# Compile app *.cpp sources
%.cpp.o: %.cpp
@$(CC) -c $(NEO_CXXFLAGS) -I $(NEORV32_INC_PATH) $(APP_INC) $^ -o $@
$(BUILD_DIR)/%.cpp.o: %.cpp | $(BUILD_DIR)
@$(CC) -c $(NEO_CXXFLAGS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
# Link object files and show memory utilization
$(APP_ELF): $(OBJ)
@ -182,7 +195,7 @@ $(APP_ASM): $(APP_ELF)
@$(OBJDUMP) -d -S -z $< > $@
# Generate final executable from .text + .rodata + .data (in THIS order!)
main.bin: $(APP_ELF)
$(BIN_MAIN): $(APP_ELF)
@$(OBJCOPY) -I elf32-little $< -j .text -O binary text.bin
@$(OBJCOPY) -I elf32-little $< -j .rodata -O binary rodata.bin
@$(OBJCOPY) -I elf32-little $< -j .data -O binary data.bin
@ -193,7 +206,7 @@ main.bin: $(APP_ELF)
# Application targets: Generate executable formats
# -----------------------------------------------------------------------------
# Generate NEORV32 executable image for upload via bootloader
$(APP_EXE): main.bin $(IMAGE_GEN)
$(APP_EXE): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_EXE)"
@$(IMAGE_GEN) -app_bin $< $@ $(shell basename $(CURDIR))
@ -201,7 +214,7 @@ $(APP_EXE): main.bin $(IMAGE_GEN)
@wc -c < $(APP_EXE)
# Generate NEORV32 executable VHDL boot image
$(APP_VHD): main.bin $(IMAGE_GEN)
$(APP_VHD): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_VHD)"
@$(IMAGE_GEN) -app_vhd $< $@ $(shell basename $(CURDIR))
@ -213,31 +226,31 @@ install-$(APP_VHD): $(APP_VHD)
@cp $(APP_VHD) $(NEORV32_RTL_PATH)/core/.
# Generate NEORV32 RAW executable image in plain hex format
$(APP_HEX): main.bin $(IMAGE_GEN)
$(APP_HEX): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_HEX)"
@$(IMAGE_GEN) -raw_hex $< $@ $(shell basename $(CURDIR))
# Generate NEORV32 RAW executable image in binary format
$(APP_BIN): main.bin $(IMAGE_GEN)
$(APP_BIN): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_BIN)"
@$(IMAGE_GEN) -raw_bin $< $@ $(shell basename $(CURDIR))
# Generate NEORV32 RAW executable image in COE format
$(APP_COE): main.bin $(IMAGE_GEN)
$(APP_COE): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_COE)"
@$(IMAGE_GEN) -raw_coe $< $@ $(shell basename $(CURDIR))
# Generate NEORV32 RAW executable image in MIF format
$(APP_MIF): main.bin $(IMAGE_GEN)
$(APP_MIF): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_MIF)"
@$(IMAGE_GEN) -raw_mif $< $@ $(shell basename $(CURDIR))
# Generate NEORV32 RAW executable image in MEM format
$(APP_MEM): main.bin $(IMAGE_GEN)
$(APP_MEM): $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(APP_MEM)"
@$(IMAGE_GEN) -raw_mem $< $@ $(shell basename $(CURDIR))
@ -246,7 +259,7 @@ $(APP_MEM): main.bin $(IMAGE_GEN)
# BOOTROM / booloader image targets
# -----------------------------------------------------------------------------
# Create local VHDL BOOTROM image
bl_image: main.bin $(IMAGE_GEN)
bl_image: $(BIN_MAIN) $(IMAGE_GEN)
@set -e
@echo "Generating $(BOOT_VHD)"
@$(IMAGE_GEN) -bld_vhd $< $(BOOT_VHD) $(shell basename $(CURDIR))
@ -318,10 +331,12 @@ gdb: $(APP_ELF)
# Clean up
# -----------------------------------------------------------------------------
clean:
@rm -f *.elf *.o *.bin *.coe *.mem *.mif *.out *.asm *.vhd *.hex .gdb_history
@rm -rf $(BUILD_DIR)
@rm -f $(APP_EXE) $(APP_ELF) $(APP_HEX) $(APP_BIN) $(APP_COE) $(APP_MEM) $(APP_MIF) $(APP_ASM) $(APP_VHD) $(BOOT_VHD)
@rm -f .gdb_history
clean_all: clean
@rm -f $(OBJ) $(IMAGE_GEN)
@rm -f $(IMAGE_GEN)
# -----------------------------------------------------------------------------
# Show configuration
@ -340,6 +355,8 @@ info:
@echo "$(CORE_SRC)"
@echo "Core include folder:"
@echo "$(NEORV32_INC_PATH)"
@echo "Search path (VPATH)"
@echo "$(VPATH)"
@echo "Project object files:"
@echo "$(OBJ)"
@echo "LIBGCC:"