Files
tetris-os-cxx/Makefile
2021-04-27 11:44:58 +02:00

71 lines
1.7 KiB
Makefile

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