Sean Cross
e8aaac5cfe
The software is untested, but it builds. Signed-off-by: Sean Cross <sean@xobs.io>
132 lines
3.6 KiB
Makefile
132 lines
3.6 KiB
Makefile
GIT_VERSION := $(shell git describe --tags)
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# There is no 64-bit gcc on Raspberry Pi, so use the 32-bit version
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ifneq (,$(wildcard /etc/rpi-issue))
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TRGT ?= riscv32-unknown-elf-
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else
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TRGT ?= riscv64-unknown-elf-
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endif
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CC := $(TRGT)gcc
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CXX := $(TRGT)g++
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OBJCOPY := $(TRGT)objcopy
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RM := rm -rf
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COPY := cp -a
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PATH_SEP := /
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ifeq ($(OS),Windows_NT)
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COPY := copy
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RM := del
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PATH_SEP := \\
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endif
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ifeq ($(LITEX),1)
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BASE_DIR := ../../../../sw
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LDSCRIPT := $(BASE_DIR)/ld/linker.ld
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LD_DIR := ../include/generated
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ADD_CFLAGS := -I../include -I$(BASE_DIR)/include
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ADD_LFLAGS :=
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PACKAGE := bios
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else
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BASE_DIR := .
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LD_DIR := $(BASE_DIR)/ld
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LDSCRIPT := $(BASE_DIR)/ld/linker.ld
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ADD_CFLAGS := -I$(BASE_DIR)/include
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ADD_LFLAGS :=
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PACKAGE := factory-test
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endif
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LDSCRIPTS := $(LDSCRIPT) $(LD_DIR)/output_format.ld $(LD_DIR)/regions.ld
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SRC_DIR := $(BASE_DIR)/src
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THIRD_PARTY := $(BASE_DIR)/third_party
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DBG_CFLAGS := -ggdb -g -DDEBUG -Wall
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DBG_LFLAGS := -ggdb -g -Wall
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CFLAGS := $(ADD_CFLAGS) \
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-D__vexriscv__ -march=rv32i -mabi=ilp32 \
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-Wall -Wextra \
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-flto \
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-ffunction-sections -fdata-sections -fno-common \
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-fomit-frame-pointer -Os \
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-march=rv32i \
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-DGIT_VERSION=u\"$(GIT_VERSION)\" -std=gnu11
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CXXFLAGS := $(CFLAGS) -std=c++11 -fno-rtti -fno-exceptions
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LFLAGS := $(CFLAGS) $(ADD_LFLAGS) -L$(LD_DIR) \
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-nostartfiles \
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-nostdlib \
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-Wl,--gc-sections \
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-Wl,--no-warn-mismatch \
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-Wl,--script=$(LDSCRIPT) \
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-Wl,--build-id=none
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OBJ_DIR := .obj
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CSOURCES := $(wildcard $(SRC_DIR)/*.c)
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CPPSOURCES := $(wildcard $(SRC_DIR)/*.cpp)
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ASOURCES := $(wildcard $(SRC_DIR)/*.S)
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COBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CSOURCES:.c=.o)))
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CXXOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(CPPSOURCES:.cpp=.o)))
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AOBJS := $(addprefix $(OBJ_DIR)/, $(notdir $(ASOURCES:.S=.o)))
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OBJECTS := $(COBJS) $(CXXOBJS) $(AOBJS)
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VPATH := $(SRC_DIR)
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QUIET := @
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ALL := all
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TARGET := $(PACKAGE).elf
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CLEAN := clean
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$(ALL): $(TARGET) $(PACKAGE).bin $(PACKAGE).ihex
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$(OBJECTS): | $(OBJ_DIR)
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$(TARGET): $(OBJECTS) $(LDSCRIPTS)
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$(QUIET) echo " LD $@"
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$(QUIET) $(CC) $(OBJECTS) $(LFLAGS) -o $@
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$(PACKAGE).bin: $(TARGET)
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$(QUIET) echo " OBJCOPY $@"
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$(QUIET) $(OBJCOPY) -O binary $(TARGET) $@
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$(PACKAGE).dfu: $(TARGET)
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$(QUIET) echo " DFU $@"
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$(QUIET) $(COPY) $(PACKAGE).bin $@
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$(QUIET) dfu-suffix -v 1209 -p 70b1 -a $@
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$(PACKAGE).ihex: $(TARGET)
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$(QUIET) echo " IHEX $(PACKAGE).ihex"
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$(QUIET) $(OBJCOPY) -O ihex $(TARGET) $@
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$(DEBUG): CFLAGS += $(DBG_CFLAGS)
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$(DEBUG): LFLAGS += $(DBG_LFLAGS)
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CFLAGS += $(DBG_CFLAGS)
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LFLAGS += $(DBG_LFLAGS)
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$(DEBUG): $(TARGET)
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$(OBJ_DIR):
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$(QUIET) mkdir $(OBJ_DIR)
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$(COBJS) : $(OBJ_DIR)/%.o : %.c $(BASE_DIR)/Makefile
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$(QUIET) echo " CC $< $(notdir $@)"
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$(QUIET) $(CC) -c $< $(CFLAGS) -o $@ -MMD
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$(OBJ_DIR)/%.o: %.cpp
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$(QUIET) echo " CXX $< $(notdir $@)"
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$(QUIET) $(CXX) -c $< $(CXXFLAGS) -o $@ -MMD
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$(OBJ_DIR)/%.o: %.S
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$(QUIET) echo " AS $< $(notdir $@)"
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$(QUIET) $(CC) -x assembler-with-cpp -c $< $(CFLAGS) -o $@ -MMD
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.PHONY: clean
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clean:
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$(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))"
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-$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))
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$(QUIET) echo " RM $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.d))"
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-$(QUIET) $(RM) $(subst /,$(PATH_SEP),$(wildcard $(OBJ_DIR)/*.o))
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$(QUIET) echo " RM $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu"
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-$(QUIET) $(RM) $(TARGET) $(PACKAGE).bin $(PACKAGE).symbol $(PACKAGE).ihex $(PACKAGE).dfu
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include $(wildcard $(OBJ_DIR)/*.d)
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