diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -1,5 +1,7 @@ CFLAGS=-mcpu=cortex-a7 -ffreestanding -std=gnu99 -Wall -Wextra -I. +ELFFLAGS=-ffreestanding -O2 -nostdlib -lgcc -I. + all : kernel7.img kernel.o : kernel.c @@ -12,7 +14,7 @@ boot.o : boot.S arm-none-eabi-as -mcpu=cortex-a7 $^ -o $@ kernel.elf : boot.o kernel.o uart.o - arm-none-eabi-gcc -T linker.ld -o $@ -ffreestanding -O2 -nostdlib boot.o kernel.o uart.o -lgcc -I. + arm-none-eabi-gcc -T linker.ld -o $@ $(ELFFLAGS) $^ kernel7.img : kernel.elf arm-none-eabi-objcopy $^ -O binary $@ @@ -21,10 +23,11 @@ loader_stage2.o : loader_stage2.c arm-none-eabi-gcc $(CFLAGS) -c $^ -o $@ loader_stage2.elf : loader_stage2.o uart.o - arm-none-eabi-gcc -T loader_stage2.ld -o $@ -ffreestanding -O2 -nostdlib $^ -lgcc + arm-none-eabi-gcc -T loader_stage2.ld -o $@ $(ELFFLAGS) $^ loader_stage2.img : loader_stage2.elf arm-none-eabi-objcopy $^ -O binary $@ + test -n "$$(find $@ -size -16384c)" || exit -1 loader_stage2_embeddable.o : loader_stage2.img arm-none-eabi-objcopy -I binary -O elf32-littlearm -B arm --rename-section .data=.rodata $^ $@ @@ -33,7 +36,7 @@ loader_stage1.o : loader_stage1.c arm-none-eabi-gcc $(CFLAGS) -c $^ -o $@ loader.elf : boot.o loader_stage1.o loader_stage2_embeddable.o - arm-none-eabi-gcc -T loader_stage1.ld -o $@ -ffreestanding -O2 -nostdlib $^ -lgcc + arm-none-eabi-gcc -T loader_stage1.ld -o $@ $(ELFFLAGS) $^ loader.img : loader.elf arm-none-eabi-objcopy $^ -O binary $@ @@ -49,7 +52,7 @@ run-on-rpi : kernel7.img pipe_image sleep 1 screen /dev/ttyUSB0 115200,cs8,-parenb,-cstopb,-hupcl -pipe_image : pipe_image.c +pipe_image : pipe_image.c RS-232/rs232.c gcc -Wall -std=gnu99 -O3 $^ -o $@ clean : |