forked from lucianoforks/falling-block-puzzle-game-os
71 lines
1.7 KiB
Makefile
71 lines
1.7 KiB
Makefile
UNAME := $(shell uname)
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ifeq ($(UNAME),Linux)
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CC=gcc -elf_i386
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CXX=g++ -elf_i386
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AS=as --32
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LD=ld -m elf_i386
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else
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CC=i386-elf-gcc
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CXX=i386-elf-g++
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AS=i386-elf-as
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LD=i386-elf-ld
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endif
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GFLAGS=
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CCFLAGS=-m32 -std=c11 -O2 -g -Wall -Wextra -Wpedantic -Wstrict-aliasing
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CCFLAGS+=-Wno-pointer-arith -Wno-unused-parameter
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CCFLAGS+=-nostdlib -nostdinc -ffreestanding -fno-pie -fno-stack-protector
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CCFLAGS+=-fno-builtin-function -fno-builtin
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CXXFLAGS=-m32 -std=c++2a -O2 -g -Wall -Wextra -Wpedantic -Wstrict-aliasing
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CXXFLAGS+=-Wno-pointer-arith -Wno-unused-parameter
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CXXFLAGS+=-lstdc++ -ffreestanding -fno-pie -fno-stack-protector
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CXXFLAGS+=-fno-rtti -fno-exceptions
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ASFLAGS=
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LDFLAGS=
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BOOTSECT_SRCS=\
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src/stage0.S
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BOOTSECT_OBJS=$(BOOTSECT_SRCS:.S=.o)
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KERNEL_C_SRCS=$(wildcard src/*.c)
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KERNEL_CXX_SRCS=$(wildcard src/*.cpp)
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KERNEL_S_SRCS=$(filter-out $(BOOTSECT_SRCS), $(wildcard src/*.S))
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KERNEL_OBJS=$(KERNEL_C_SRCS:.c=.o) $(KERNEL_CXX_SRCS:.cpp=.o) $(KERNEL_S_SRCS:.S=.o)
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BOOTSECT=bootsect.bin
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KERNEL=kernel.bin
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ISO=boot.iso
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all: dirs bootsect kernel
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clean:
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rm -f ./**/*.o
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rm -f ./*.iso
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rm -f ./**/*.elf
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rm -f ./**/*.bin
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%.o: %.c
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$(CC) -o $@ -c $< $(GFLAGS) $(CCFLAGS)
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%.o: %.cpp
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$(CXX) -o $@ -c $< $(GFLAGS) $(CXXFLAGS)
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%.o: %.S
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$(AS) -o $@ -c $< $(GFLAGS) $(ASFLAGS)
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dirs:
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mkdir -p bin
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bootsect: $(BOOTSECT_OBJS)
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$(LD) -o ./bin/$(BOOTSECT) $^ -Ttext 0x7C00 --oformat=binary
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kernel: $(KERNEL_OBJS)
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$(LD) -o ./bin/$(KERNEL) $^ $(LDFLAGS) -Tsrc/link.ld
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iso: dirs bootsect kernel
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dd if=/dev/zero of=boot.iso bs=512 count=2880
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dd if=./bin/$(BOOTSECT) of=boot.iso conv=notrunc bs=512 seek=0 count=1
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dd if=./bin/$(KERNEL) of=boot.iso conv=notrunc bs=512 seek=1 count=2048
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