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MakeFile.temp
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MakeFile.temp
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BIOS_CODE := build/bios/OVMF_CODE.fd
BIOS_VARS := build/bios/OVMF_VARS.fd
# linux
EFI_DIRS := /usr/lib
GNU_INC := src/gnu-efi/inc
GNU_LIB := build/gnu-efi
GCC_FLAGS = \
-c \
-fno-stack-protector \
-fpic \
-fshort-wchar \
-mno-red-zone \
-I $(GNU_INC) \
-I $(GNU_INC)/x86_64 \
-DEFI_FUNCTION_WRAPPER \
GLD_FLAGS = \
$(GNU_LIB)/crt0-efi-x86_64.o \
-nostdlib \
-znocombreloc \
-T $(GNU_LIB)/elf_x86_64_efi.lds \
-shared \
-Bsymbolic \
-L $(EFI_DIRS) \
-lgnuefi \
-lefi \
KGCC_FLAGS = \
-ffreestanding \
-fshort-wchar \
-mno-red-zone \
-fno-exceptions \
KLD_FLAGS = \
-static \
-Bsymbolic \
-nostdlib \
-fno-stack-protector \
-shared \
OBJ_FLAGS = \
-j .text \
-j .sdata \
-j .data \
-j .dynamic \
-j .dynsym \
-j .rel \
-j .rela \
-j .reloc \
--target=efi-app-x86_64 \
SRC = $(shell find src/kernel -name *.cpp)
OBJ = $(patsubst src/kernel/%.cpp, build/kernel/%.o, $(SRC))
ASMSRC = $(shell find src/kernel -name *.asm)
ASMOBJ = $(patsubst src/kernel/%.asm, build/kernel/%_asm.o, $(ASMSRC))
run: build/myos_img/EFI/BOOT/BootX64.efi build/myos_img/kernel.elf
qemu-system-x86_64 -machine q35 -cpu qemu64 -net none \
-drive if=pflash,format=raw,unit=0,file=$(BIOS_CODE),readonly=on \
-drive if=pflash,format=raw,unit=1,file=$(BIOS_VARS),readonly=on \
-drive format=raw,file=fat:rw:build/myos_img
build/bootloader/main.o: src/bootloader/main.c
gcc $< $(GCC_FLAGS) -o $@
build/bootloader/main.so: build/bootloader/main.o
ld $< $(GLD_FLAGS) -o $@
build/bootloader/main.efi: build/bootloader/main.so
objcopy $(OBJ_FLAGS) $< $@
build/myos_img/EFI/BOOT/BootX64.efi: build/bootloader/main.efi
cp $< $@
build/kernel/main.o: src/kernel/main.cpp
gcc $(KGCC_FLAGS) -c $< -o $@
build/kernel/interrupts/interrupts.o: src/kernel/interrupts/interrupts.cpp
gcc -mno-red-zone -mgeneral-regs-only -ffreestanding -c $^ -o $@
build/kernel/%.o: src/kernel/%.cpp
@mkdir -p $(@D)
gcc -ffreestanding -fshort-wchar -mno-red-zone -fno-exceptions -c $^ -o $@
build/kernel/%_asm.o: src/kernel/%.asm
@mkdir -p $(@D)
nasm $^ -f elf64 -o $@
build/myos_img/kernel.elf: build/kernel/main.o $(OBJ) $(ASMOBJ)
ld -T src/kernel/kernel.ld -o $@ $(KLD_FLAGS) $^
# macos
# EFI_DIRS := /usr/local/include/efi
# PREFIX := x86_64-elf-
# GCC_FLAGS = \
# -I $(EFI_DIRS) -fpic -ffreestanding -fno-stack-protector \
# -fno-stack-check -fshort-wchar -mno-red-zone \
# -maccumulate-outgoing-args
# GLD_FLAGS = \
# -shared -Bsymbolic \
# -L $(EFI_DIRS) -L/usr/local/lib \
# -T/usr/local/lib/elf_x86_64_efi.lds
# GLD_LIBS = \
# /usr/local/lib/crt0-efi-x86_64.o -lgnuefi -lefi
# OBJ_FLAGS = \
# -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
# -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc \
# --target efi-app-x86_64 --subsystem=10
# SRC = $(shell find src/kernel -name *.cpp)
# OBJ = $(patsubst src/kernel/%.cpp, build/kernel/%.o, $(SRC))
# ASMSRC = $(shell find src/kernel -name *.asm)
# ASMOBJ = $(patsubst src/kernel/%.asm, build/kernel/%_asm.o, $(ASMSRC))
# run: build/myos_img/EFI/BOOT/BootX64.efi build/myos_img/kernel.elf
# qemu-system-x86_64 -machine q35 -cpu qemu64 -net none \
# -drive if=pflash,format=raw,unit=0,file=$(BIOS_CODE),readonly=on \
# -drive if=pflash,format=raw,unit=1,file=$(BIOS_VARS),readonly=on \
# -drive format=raw,file=fat:rw:build/myos_img
# build/bootloader/main.o: src/bootloader/main.c
# $(PREFIX)gcc $(GCC_FLAGS) -c $< -o $@
# build/bootloader/main.so: build/bootloader/main.o
# $(PREFIX)ld $(GLD_FLAGS) -o $@ $< $(GLD_LIBS)
# build/bootloader/main.efi: build/bootloader/main.so
# $(PREFIX)objcopy $(OBJ_FLAGS) $< $@
# build/myos_img/EFI/BOOT/BootX64.efi: build/bootloader/main.efi
# cp $< $@
# build/kernel/main.o: src/kernel/main.cpp
# clang -target x86_64-elf -fno-stack-protector -fno-stack-check -fno-exceptions -mno-red-zone -D__x86_64__ -I. -c $< -o $@
# build/kernel/%.o: src/kernel/%.cpp
# @mkdir -p $(@D)
# clang -target x86_64-elf -fno-stack-protector -fno-stack-check -fno-exceptions -mno-red-zone -D__x86_64__ -I. -c $^ -o $@
# build/kernel/%_asm.o: src/kernel/%.asm
# @mkdir -p $(@D)
# nasm $^ -f elf64 -o $@
# build/myos_img/kernel.elf: build/kernel/main.o $(OBJ) $(ASMOBJ)
# ld.lld -nostdlib -z max-page-size=0x1000 -T src/kernel/kernel.ld -o $@ $^