59 lines
1.1 KiB
Makefile
59 lines
1.1 KiB
Makefile
EXEC=oleds
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DTB = mydt.dtb
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SRCS=$(wildcard *.c)
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target=nano
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TOOLCHAIN_PATH=/buildroot/output/host/usr/bin/
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TOOLCHAIN=$(TOOLCHAIN_PATH)aarch64-linux-
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CFLAGS=-Wall -Wextra -g -c -O0 -MD -std=gnu11
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CFLAGS+=-mcpu=cortex-a53 -funwind-tables
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##CFLAGS+=-O2 -fno-omit-frame-pointer
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OBJDIR=.obj/nano
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CC=$(TOOLCHAIN)gcc
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LD=$(TOOLCHAIN)gcc
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AR=$(TOOLCHAIN)ar
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STRIP=$(TOOLCHAIN)strip
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OBJDIR=.obj/$(target)
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OBJS= $(addprefix $(OBJDIR)/, $(SRCS:.c=.o))
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$(OBJDIR)/%o: %c
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$(CC) $(CFLAGS) $< -o $@
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all: $(OBJDIR)/ $(EXEC) dtb
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echo $(EXEC)
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echo $(SRCS)
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$(EXEC): $(OBJS) $(LINKER_SCRIPT)
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$(LD) $(OBJS) $(LDFLAGS) -o $@
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$(OBJDIR)/:
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mkdir -p $(OBJDIR)
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clean:
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rm -Rf $(OBJDIR) $(EXEC) $(EXEC)_s .obj *.dtb *~
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clean_all: clean
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CVER := aarch64-linux-
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KVER := 5.15.148
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CPU := arm64
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KDIR := /buildroot/output/build/linux-$(KVER)/
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PWD := $(shell pwd)
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INCL+=-I. -I$(KDIR)/include -I$(KDIR)/arch/arm64/boot/dts/
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DTS = $(DTB:.dtb=.dts)
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dtb: $(DTB)
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$(DTB) : $(DTS)
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ln -s $(KDIR)/arch/arm/boot/dts arm
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-cpp $(INCL) -E -P -x assembler-with-cpp $(DTS) | dtc -I dts -O dtb -o $(DTB) -
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rm arm
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-include $(OBJS:.o=.d)
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.PHONY: all clean clean_all dtb
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