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Makefile
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106 lines (77 loc) · 2.42 KB
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TARGET = aarch64-unknown-none-softfloat
BUILD_DIR = build
RPI3_DIR = rpi3
INITRAMFS_DIR = initramfs
KERNEL_ELF = target/$(TARGET)/release/kernel
KERNEL_IMG = $(BUILD_DIR)/kernel8.img
BOOTLOADER_ELF = target/$(TARGET)/release/bootloader
BOOTLOADER_IMG = $(BUILD_DIR)/bootloader.img
CPROG = $(INITRAMFS_DIR)/cprog.img
CPROG_IMG = prog/prog.img
RPROG = $(INITRAMFS_DIR)/rprog.img
RPROG_ELF = target/$(TARGET)/release/program
RPROG_IMG = $(BUILD_DIR)/program.img
INITRAMFS_CPIO = $(BUILD_DIR)/initramfs.cpio
DTB = $(RPI3_DIR)/bcm2710-rpi-3-b-plus.dtb
CARGO = cargo
CARGO_FLAGS = --release --target=$(TARGET)
# OBJDUMP = aarch64-linux-gnu-objdump
# OBJCOPY = aarch64-linux-gnu-objcopy
OBJDUMP = rust-objdump
OBJCOPY = rust-objcopy
QEMU = qemu-system-aarch64
export dir_guard=@mkdir -p $(@D)
OUTPUT_ELFS := $(KERNEL_ELF) $(BOOTLOADER_ELF)
SENTINEL_FILE := .done
.PHONY: all clean run debug debug-qemu size FORCE
all: $(KERNEL_IMG) $(BOOTLOADER_IMG) $(INITRAMFS_CPIO) size
clean:
$(MAKE) -C prog clean
$(CARGO) clean
rm -f $(SENTINEL_FILE)
rm -rf $(BUILD_DIR)
rm -f $(CPROG)
rm -f $(RPROG)
FORCE:
$(OUTPUT_ELFS): $(SENTINEL_FILE)
$(SENTINEL_FILE): FORCE
$(CARGO) build $(CARGO_FLAGS)
@touch $(SENTINEL_FILE)
$(KERNEL_IMG): $(KERNEL_ELF) FORCE
$(dir_guard)
$(OBJCOPY) -O binary $< $@
$(BOOTLOADER_IMG): $(BOOTLOADER_ELF) FORCE
$(dir_guard)
$(OBJCOPY) -O binary $< $@
$(RPROG_IMG): $(RPROG_ELF) FORCE
$(OBJCOPY) -O binary $< $@
$(RPROG): $(RPROG_IMG)
$(dir_guard)
cp $(RPROG_IMG) $@
$(CPROG_IMG):
$(MAKE) -C prog
$(CPROG): $(CPROG_IMG)
$(dir_guard)
cp $(CPROG_IMG) $@
$(INITRAMFS_CPIO): $(CPROG) $(RPROG)
$(dir_guard)
cd initramfs && find . | cpio -o -H newc > ../$@
run: all
$(QEMU) -M raspi3b \
-serial null -serial pty \
-kernel $(BOOTLOADER_IMG) \
-initrd $(INITRAMFS_CPIO) \
-dtb $(DTB) --daemonize
debug: all size $(CPROG) $(RPROG)
$(OBJDUMP) -D $(KERNEL_ELF) > $(BUILD_DIR)/kernel.S
$(OBJDUMP) -D $(BOOTLOADER_ELF) > $(BUILD_DIR)/bootloader.S
debug-qemu:
$(QEMU) -M raspi3b \
-serial null -serial pty \
-kernel $(BOOTLOADER_IMG) \
-initrd $(INITRAMFS_CPIO) \
-dtb $(DTB) -S -s
size: $(KERNEL_IMG) $(BOOTLOADER_IMG)
@printf "Kernel: %d (0x%x) bytes\n" `stat -c %s $(KERNEL_IMG)` `stat -c %s $(KERNEL_IMG)`
@printf "Bootloader: %d (0x%x) bytes\n" `stat -c %s $(BOOTLOADER_IMG)` `stat -c %s $(BOOTLOADER_IMG)`
@printf "Initramfs: %d (0x%x) bytes\n" `stat -c %s $(INITRAMFS_CPIO)` `stat -c %s $(INITRAMFS_CPIO)`