309551030 lab8

archive/app2/scripts/linker.ld

@@ -1,6 +1,6 @@
 SECTIONS
 {
-    . = 0x200000;
+    . = 0x70000;
     .text :  { *(.text) }
     .rodata : { *(.rodata) }
     .data : { *(.data) }

archive/app4/Makefile

@@ -0,0 +1,31 @@
+.PHONY: all clean
+CXX = aarch64-linux-gnu-gcc
+CXXFLAGS = -Iinclude -Wall -ffreestanding -nostdinc -nostdlib -nostartfiles
+
+LD = aarch64-linux-gnu-ld
+LDFLAGS = -T scripts/linker.ld
+
+OBJCOPY = aarch64-linux-gnu-objcopy
+OBJDUMP = aarch64-linux-gnu-objdump
+OBJCOPYFLAGS = -O binary
+
+BUILD_DIR = build
+ELF = vm.elf
+IMG = vm.img
+SRC = $(wildcard kernel/*.S) $(wildcard kernel/*.c)
+OBJ = $(wildcard *.o)
+
+all:
+	mkdir -p $(BUILD_DIR)
+	$(CXX) $(CXXFLAGS) -c -g $(SRC)
+	make user.img
+	$(OBJDUMP) -D $(BUILD_DIR)/$(ELF) > $(BUILD_DIR)/vm.objdump
+
+user.img:	
+	$(LD) $(LDFLAGS) -o $(BUILD_DIR)/$(ELF) $(OBJ)
+	$(OBJCOPY) $(OBJCOPYFLAGS) $(BUILD_DIR)/$(ELF) $(BUILD_DIR)/$(IMG)
+	rm $(OBJ)
+	cp $(BUILD_DIR)/$(IMG) ../rootfs/$(IMG)
+
+make clean:
+	rm $(OBJ)