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|
export
ARCH ?= x86_64
DEBUG ?= 1
RUST_LIB_PATH=debug
CARGO_FLAGS =
#QEMU_DEBUG=-d int -no-reboot -no-shutdown
TARGET=kernel.iso
ifeq ($(DEBUG), 0)
RUST_LIB_PATH=release
CARGO_FLAGS=--release
endif
ifeq ($(ARCH), x86)
QEMU = qemu-system-i386
QEMU_OPTS = -serial file:serial.log
MACHINE = -machine q35
BOOT = -cdrom kernel.iso
ARCH_PREFIX = i386-elf-
target = "./arch/x86.json"
RUST_OBJS = ../target/x86/$(RUST_LIB_PATH)/libmyrustkernel.a
ASM_PATHS = ./arch/x86/boot
ASM_PATHS += ./arch/x86/common/boot
CARGO_B = --target "./arch/x86.json"
LD_SCRIPT=../arch/x86.ld
endif
ifeq ($(ARCH), x86_64)
QEMU = qemu-system-x86_64
QEMU_OPTS = -serial file:serial.log
MACHINE = -machine q35
BOOT = -cdrom kernel.iso
ARCH_PREFIX = x86_64-elf-
target = "./arch/x86_64.json"
RUST_OBJS = ../target/x86_64/$(RUST_LIB_PATH)/libmyrustkernel.a
ASM_PATHS = ./arch/x86_64/boot
ASM_PATHS += ./arch/x86/common/boot
CARGO_B = --target "./arch/x86_64.json"
LD_SCRIPT=../arch/x86_64.ld
endif
ifeq ($(ARCH), riscv64)
QEMU = qemu-system-riscv64
QEMU_OPTS = -nographic -serial mon:stdio
MACHINE = -machine virt -bios none
BOOT = -kernel ./src/kernel.bin
ARCH_PREFIX = riscv64-elf-
target = "./arch/riscv64.json"
RUST_OBJS = ../target/riscv64/$(RUST_LIB_PATH)/libmyrustkernel.a
ASM_PATHS = ./arch/riscv64/boot
CARGO_B = --target "./arch/riscv64.json"
LD_SCRIPT=../arch/riscv64.ld
TARGET=src/kernel.bin
endif
ifndef ARCH_PREFIX
$(error ARCH available: "x86_64", "x86", "riscv64")
endif
CC = $(ARCH_PREFIX)gcc
AS = $(ARCH_PREFIX)as
LD = $(ARCH_PREFIX)ld
OBJDUMP = $(ARCH_PREFIX)objcopy
OBJCOPY = $(ARCH_PREFIX)objdump
W := -Wall -Werror -Wextra -Wshadow -Wcast-align
# W:= -Wpointer-arith -pedantic -Wmissing-prototypes -Wmissing-declarations
W += -Wwrite-strings -Wredundant-decls -Wnested-externs -Winline -Wno-long-long
W += -Wconversion -Wstrict-prototypes
WNO := -Wno-error=unused-parameter -Wno-error=unused-variable
WNO += -Wno-error=unused-but-set-variable -Wno-error=unused-but-set-parameter
WNO += -Wno-error=infinite-recursion
CFLAGS = $(W) $(WNO) -fno-omit-frame-pointer
CFLAGS += -MD -O3 -ffreestanding -nostdlib -std=gnu89
CFLAGS += -fno-common -fno-stack-protector
CFLAGS += -fno-pie -no-pie -fno-pic
CFLAGS += -g -fsanitize=undefined
#CFLAGS += -fstack-protector-all
LDFLAGS = -z max-page-size=4096
ifeq ($(ARCH), x86)
CFLAGS += -mgeneral-regs-only
endif
ifeq ($(ARCH), x86_64)
CFLAGS += -mcmodel=large
CFLAGS += -mgeneral-regs-only
endif
ifeq ($(ARCH), riscv64)
CFLAGS += -mcmodel=medany
endif
MAKE:=$(MAKE) -s
all: $(TARGET)
FORCE:
src/kernel.bin: FORCE
cargo b $(CARGO_B) $(CARGO_FLAGS)
@rm -f src/kernel.bin
@$(MAKE) -C $(@D)
isodir:
$(info [all] $@)
@mkdir -p isodir/boot/grub
@cp src/grub.cfg isodir/boot/grub/grub.cfg
@mkdir -p isodir/modules
@dd if=/dev/zero of=isodir/modules/ext2.img bs=4M count=2 > /dev/null 2>&1
@mkfs.ext2 isodir/modules/ext2.img > /dev/null 2>&1
kernel.iso: src/kernel.bin src/grub.cfg Makefile isodir FORCE
$(info [all] $@)
@cp src/kernel.bin isodir/boot/kernel.bin
@sudo cp src/kernel.bin /srv/tftp/boot/kernel.bin
@grub-mkrescue -o kernel.iso isodir > /dev/null 2>&1
.PHONY: all build qemu bochs mount umount clean
BOCHS = bochs -q
qemu: kernel.iso
$(QEMU) $(MACHINE) $(BOOT) $(QEMU_OPTS) $(QEMU_DEBUG)
@cat serial.log
bochs: kernel.iso
@$(BOCHS) -qf .bochsrc
@cat serial.log
mount: isodir
ifeq ("$(wildcard /mnt/ext2/lost+found/)","")
$(info [all] $@)
@doas mount isodir/modules/ext2.img /mnt/ext2 -o loop
@doas chown -R aleksa:aleksa /mnt/ext2
endif
umount:
ifneq ("$(wildcard /mnt/ext2/lost+found/)","")
$(info [all] $@)
@doas umount /mnt/ext2
endif
clean:
@find ./src/ -name "*.o" -exec rm {} \;
@find ./src/ -name "*.d" -exec rm {} \;
@rm -f kernel.iso src/kernel.bin xbochs.log bx_enh_dbg.ini log serial.log
@rm -rf isodir
@cargo clean
@$(MAKE) umount
|
