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Makefile
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#// SPDX-License-Identifier: GPL-2.0-or-later
#/*
# * aVisor Hypervisor
# *
# * A Tiny Hypervisor for IoT Development
# *
# * Copyright (c) 2022 Deng Jie ([email protected]).
# */
GNU_TOOLS ?= aarch64-linux-gnu
GNU_GCC = $(GNU_TOOLS)-gcc
GNU_LD = $(GNU_TOOLS)-ld
GNU_OBJCOPY = $(GNU_TOOLS)-objcopy
GNU_OBJDUMP = $(GNU_TOOLS)-objdump
INC_DIR = include
C_OPS = -Wall -nostdlib -nostartfiles -ffreestanding -I$(INC_DIR) -mgeneral-regs-only
ASM_OPS = -I$(INC_DIR)
BUILD_DIR = build
OUTDIR = bin
SRC_DIR += hypervisor/arch/aarch64
SRC_DIR += hypervisor/boards/raspi
SRC_DIR += hypervisor/common
SRC_DIR += hypervisor/fs
SRC_DIR += hypervisor/emulator/raspi
HV_DIR = hypervisor
.PHONY: all
all: kernel8.img
.PHONY: qemu
qemu: qemu.img
C_FILES = $(wildcard *.c $(foreach fd, $(SRC_DIR), $(fd)/*.c))
ASM_FILES =$(wildcard *.S $(foreach fd, $(SRC_DIR), $(fd)/*.S))
$(BUILD_DIR)/%_c.o: %.c
mkdir -p $(dir $@)
$(GNU_GCC) $(C_OPS) -MMD -c $< -o $@
$(BUILD_DIR)/%_s.o: %.S
mkdir -p $(dir $@)
$(GNU_GCC) $(ASM_OPS) -MMD -c $< -o $@
OBJ_FILES = $(C_FILES:%.c=$(BUILD_DIR)/%_c.o)
OBJ_FILES += $(ASM_FILES:%.S=$(BUILD_DIR)/%_s.o)
DEP_FILES = $(OBJ_FILES:%.o=%.d)
-include $(DEP_FILES)
LINKER_FILE = $(HV_DIR)/boards/raspi/linker.ld
LINKER_FILE_QEMU = $(HV_DIR)/boards/raspi/linker_qemu.ld
kernel8.img: $(LINKER_FILE) $(OBJ_FILES)
$(GNU_LD) -T $(LINKER_FILE) -o $(BUILD_DIR)/kernel8.elf $(OBJ_FILES)
$(GNU_OBJCOPY) $(BUILD_DIR)/kernel8.elf -O binary $(BUILD_DIR)/kernel8.img
mkdir -p ./bin
cp $(BUILD_DIR)/kernel8.img $(OUTDIR)/kernel8.img
qemu.img: $(LINKER_FILE_QEMU) $(OBJ_FILES)
$(GNU_LD) -T $(LINKER_FILE_QEMU) -o $(BUILD_DIR)/kernel8.elf $(OBJ_FILES)
$(GNU_OBJCOPY) $(BUILD_DIR)/kernel8.elf -O binary $(BUILD_DIR)/kernel8.img
mkdir -p ./bin
cp $(BUILD_DIR)/kernel8.img $(OUTDIR)/kernel8.img
$(GNU_OBJDUMP) -D $(BUILD_DIR)/kernel8.elf > $(BUILD_DIR)/kernel8.list
.PHONY: clean
clean:
rm -rf $(BUILD_DIR) $(OUTDIR)
.PHONY: echoes
echoes:
@echo "C_FILES: $(C_FILES)"
@echo "ASM_FILES: $(ASM_FILES)"
@echo "OBJ_FILES: $(OBJ_FILES)"
@echo "SRC_DIR: $(SRC_DIR)"