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| author | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 21:54:42 +0100 |
|---|---|---|
| committer | Wojtek Kosior <kwojtus@protonmail.com> | 2019-12-28 21:54:42 +0100 |
| commit | 700f4c412d42c9b9811269045c0e363a0331bba9 (patch) | |
| tree | 260feed1ca657843d993c1ae73e93f25a17cede1 /Makefile | |
| parent | 80c9af17330ac442a4c3d6d55b4041cbe923e9b4 (diff) | |
| download | rpi-MMU-example-700f4c412d42c9b9811269045c0e363a0331bba9.tar.gz rpi-MMU-example-700f4c412d42c9b9811269045c0e363a0331bba9.zip | |
split kernel into 2 stages; second stage gets copied to 0x0 and runs from there
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 29 |
1 files changed, 23 insertions, 6 deletions
@@ -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 $< |