81 lines
1.8 KiB
Makefile
Executable File
81 lines
1.8 KiB
Makefile
Executable File
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TARGET_BOOTCODE = bootcode.bin
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#
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# when building bootcode.bin, always ensure start.s is at the top, providing
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# the 0x200 byte long header and some init code.
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#
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SRCS = \
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start.s \
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romstage.c \
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sdram.c \
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arm_loader.c \
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trap.c \
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lib/xprintf.c \
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lib/panic.c \
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lib/udelay.c \
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lib/memcpy.c \
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chainloader_inc.s
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ARCH = vc4
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BUILD_DIR = build
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TARGET_BUILD_DIR = $(BUILD_DIR)/$(ARCH)-objects
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PRODUCT_DIRECTORY = $(BUILD_DIR)
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NO_COLOR=""
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OK_COLOR=""
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ERROR_COLOR=""
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WARN_COLOR=""
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.PHONY: default all clean create_build_directory device
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default: $(TARGET_BOOTCODE)
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OBJ := $(addprefix $(TARGET_BUILD_DIR)/, $(addsuffix .o, $(basename $(SRCS))))
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CROSS_COMPILE = /Developer/vc4-toolchain/prefix/bin/vc4-elf-
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CC = $(CROSS_COMPILE)gcc
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AS = $(CC)
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OBJCOPY = $(CROSS_COMPILE)objcopy
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LINKFLAGS = -nostdlib -nostartfiles
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CFLAGS = -c -nostdlib -std=c11
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ASFLAGS = -c -nostdlib -x assembler-with-cpp
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HEADERS := \
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$(shell find . -type f -name '*.h') \
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$(shell find . -type f -name '*.hpp')
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create_build_directory:
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@mkdir -p $(TARGET_BUILD_DIR)
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@mkdir -p $(PRODUCT_DIRECTORY)
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CREATE_SUBDIR = \
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@DIR="$(dir $@)"; \
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if [ ! -d $$DIR ]; then mkdir -p $$DIR; fi
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#
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# rules to build c/asm files.
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#
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$(TARGET_BUILD_DIR)/%.o: %.c $(HEADERS)
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$(CREATE_SUBDIR)
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@echo $(WARN_COLOR)CC $(NO_COLOR) $@
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@$(CC) $(CFLAGS) $< -o $@
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$(TARGET_BUILD_DIR)/%.o: %.s $(HEADERS)
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$(CREATE_SUBDIR)
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@echo $(WARN_COLOR)AS $(NO_COLOR) $@
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@$(AS) $(ASFLAGS) $< -o $@
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.PRECIOUS: $(OBJ)
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$(TARGET_BOOTCODE): create_build_directory $(OBJ)
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@echo $(WARN_COLOR)LD $(NO_COLOR) $@.elf
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@$(CC) $(LINKFLAGS) $(OBJ) -o $(PRODUCT_DIRECTORY)/$@.elf
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@echo $(WARN_COLOR)OBJ$(NO_COLOR) $@
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@$(OBJCOPY) -O binary $(PRODUCT_DIRECTORY)/$@.elf $(PRODUCT_DIRECTORY)/$@
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clean:
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@echo $(ERROR_COLOR)CLEAN$(NO_COLOR)
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@-rm -rf ./$(BUILD_DIR)
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