1 AS		= clang
2 CXX		= clang++
3 LD		= ld.lld
4 OBJCOPY		= llvm-objcopy
5 OBJDUMP		= llvm-objdump
6 
7 ARCH		= aarch64
8 TARGET		= ${ARCH}-none-elf
9 -include	config.mk
10 #BOARD		?= virt
11 BOARD		?= a64
12 
13 ASFLAGS		= -target ${TARGET}
14 ASFILES		+= boot.S
15 
16 CXXFLAGS	+= -target ${TARGET}
17 CXXFLAGS        +=-Wall -Wextra -Werror
18 CXXFLAGS        +=-nostdlib -fno-exceptions -std=c++11
19 CXXFLAGS	+=-ffreestanding -mgeneral-regs-only
20 CXXFLAGS	+=-Iinclude
21 CXXFILES	+= kernel.cc uart_${BOARD}.cc
22 
23 OBJS		= ${ASFILES:.S=.o} ${CXXFILES:.cc=.o}
24 
25 
26 .PHONY:	all clean disassemble tools
27 
28 all: squat-${BOARD}.img tools
29 
30 squat-${BOARD}.img: squat-${BOARD}.elf
31 	${OBJCOPY} squat-${BOARD}.elf -O binary squat-${BOARD}.img
32 
33 squat-${BOARD}.elf: linker.ld ${OBJS}
34 	${LD} -T linker.ld -o squat-${BOARD}.elf ${OBJS}
35 
36 .S.o:
37 	${AS} ${ASFLAGS} -c $< -o $@
38 
39 clean:
40 	rm -rf *.o squat-*.elf squat-*.img
41 	${MAKE} -C tools/img_eGON.BT0 clean
42 
43 disassemble: squat-${BOARD}.elf
44 	${OBJDUMP} -d squat-${BOARD}.elf
45 
46 tools:
47 	${MAKE} -C tools/img_eGON.BT0 img_eGON.BT0