1 AS		= clang
2 CXX		= clang++
3 LD		= ld.lld
4 OBJCOPY		= llvm-objcopy
5 
6 ARCH		= aarch64
7 TARGET		= ${ARCH}-none-elf
8 -include	config.mk
9 #BOARD		?= virt
10 BOARD          ?= pinephone
11 
12 ASFLAGS		= -target ${TARGET}
13 ASFILES		+= boot.S
14 
15 CXXFLAGS	+= -target ${TARGET}
16 CXXFLAGS        +=-Wall -Wextra -Werror
17 CXXFLAGS        +=-nostdlib -fno-exceptions -std=c++11
18 CXXFLAGS	+=-ffreestanding -mgeneral-regs-only
19 CXXFLAGS	+=-Iinclude
20 CXXFILES	+= kernel.cc uart_${BOARD}.cc
21 
22 OBJS		= ${ASFILES:.S=.o} ${CXXFILES:.cc=.o}
23 
24 
25 .PHONY:	all clean qemu gdb-remote tools
26 
27 all: squat-${BOARD}.img
28 
29 squat-${BOARD}.img: squat-${BOARD}.elf
30 	${OBJCOPY} squat-${BOARD}.elf -O binary squat-${BOARD}.img
31 
32 squat-${BOARD}.elf: linker.ld ${OBJS}
33 	${LD} -T linker.ld -o squat-${BOARD}.elf ${OBJS}
34 
35 .S.o:
36 	${AS} ${ASFLAGS} -c $< -o $@
37 
38 clean:
39 	rm -rf *.o squat-*.elf squat-*.img
40 	${MAKE} -C tools/img_eGON.BT0 clean
41 
42 tools:
43 	${MAKE} -C tools/img_eGON.BT0 img_eGON.BT0