1 csrc = $(wildcard src/*.c) $(wildcard src/libc/*.c)
2 ssrc = $(wildcard src/*.s) $(wildcard src/libc/*.s)
3 Ssrc = $(wildcard src/*.S) $(wildcard src/libc/*.S)
4 obj = $(csrc:.c=.o) $(ssrc:.s=.o) $(Ssrc:.S=.o)
9 ifneq ($(shell uname -m | sed 's/^arm.*/arm/'), arm)
10 toolprefix = arm-linux-gnueabihf-
11 CPP = $(toolprefix)cpp
15 OBJCOPY = $(toolprefix)objcopy
18 warn = -pedantic -Wall
20 inc = -Isrc -Isrc/libc
21 gccopt = -marm -fno-pic -ffreestanding -nostdinc -ffast-math -fno-math-errno -MMD
22 #arch = -mcpu=arm1176jzf-s
23 arch = -mcpu=cortex-a7
25 CFLAGS = $(arch) $(warn) $(opt) $(dbg) $(gccopt) $(inc) $(def)
26 ASFLAGS = $(arch) $(dbg) $(inc)
27 LDFLAGS = -nostdlib -T rpikern.ld -print-gc-sections
29 QEMU_FLAGS = -vnc :0 -m 1024 -M raspi2 -serial stdio -d guest_errors
33 $(OBJCOPY) -O binary $< $@
35 $(elf): $(obj) rpikern.ld
36 $(LD) -o $@ $(obj) -Map link.map $(LDFLAGS)
42 rm -f $(obj) $(bin) $(elf) link.map
50 qemu-system-arm $(QEMU_FLAGS) -kernel $(elf)
54 $(toolprefix)objdump -D $<
58 cp $(bin) /srv/tftp/$(bin)