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-rw-r--r--Makefile29
1 files changed, 23 insertions, 6 deletions
diff --git a/Makefile b/Makefile
index 29efa86..68368a5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,10 @@
-CFLAGS=-mcpu=cortex-a7 -ffreestanding -std=gnu11 -Wall -Wextra -O2 -fPIC -I.
+CFLAGS=-mcpu=cortex-a7 -ffreestanding -std=gnu11 -Wall -Wextra -O2 -I.
ELFFLAGS=-nostdlib -lgcc
ARM_OBJECTS=kernel.o paging.o demo_functionality.o PL0_test.o uart.o loader_stage1.o loader_stage2.o
+KERNEL_STAGE2_OBJECTS=setup.o interrupt_vector.o interrupts.o uart.o demo_functionality.o paging.o ramfs_embeddable.o ramfs.o
+
RAMFS_FILES=PL_0_test.img
all : kernel.img
@@ -10,20 +12,32 @@ all : kernel.img
%.o : %.c
arm-none-eabi-gcc $(CFLAGS) -c $^ -o $@
-%.o : %.S
- arm-none-eabi-as -mcpu=cortex-a7 $^ -o $@
-
%.img : %.elf
arm-none-eabi-objcopy $^ -O binary $@
+%.o : %.S
+ arm-none-eabi-as -mcpu=cortex-a7 $^ -o $@
+
%_embeddable.o : %.img
arm-none-eabi-objcopy -I binary -O elf32-littlearm -B arm --rename-section .data=.rodata $^ $@
PL_0_test.elf : PL0_test.o uart.o
arm-none-eabi-gcc -T PL0_test.ld -o $@ $(ELFFLAGS) $^
-kernel.elf : boot.o kernel.o uart.o demo_functionality.o paging.o interrupt_vector.o interrupts.o ramfs_embeddable.o ramfs.o
- arm-none-eabi-gcc -T linker.ld -o $@ $(ELFFLAGS) $^
+kernel_stage1.o : kernel_stage1.S kernel_stage2.img
+ arm-none-eabi-as -mcpu=cortex-a7 $< -o $@
+
+kernel.elf : kernel_stage1.ld kernel_stage1.o
+ arm-none-eabi-gcc -T $< -o $@ $(ELFFLAGS) kernel_stage1.o
+
+kernel.img : kernel.elf
+ arm-none-eabi-objcopy $^ -O binary $@
+
+kernel_stage2.elf : kernel_stage2.ld $(KERNEL_STAGE2_OBJECTS)
+ arm-none-eabi-gcc -T $< -o $@ $(ELFFLAGS) $(KERNEL_STAGE2_OBJECTS)
+
+#kernel.elf : boot.o kernel.o uart.o demo_functionality.o paging.o interrupt_vector.o interrupts.o ramfs_embeddable.o ramfs.o
+# arm-none-eabi-gcc -T linker.ld -o $@ $(ELFFLAGS) $^
loader_stage2.elf : loader_stage2.o uart.o
arm-none-eabi-gcc -T loader_stage2_linker.ld -o $@ $(ELFFLAGS) $^
@@ -42,6 +56,9 @@ loader.img : loader.elf
qemu-elf : kernel.elf
qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
+qemu-img : kernel.img
+ qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
+
qemu-bin : loader.img kernel.img pipe_image
./pipe_image --stdout | qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $<