1 .SUFFIXES:
2 .SUFFIXES: .c .S .o .elf
3 
4 PREFIX	= /usr/local
5 TARGET	= riscv64-unknown-linux-musl
6 HOSTOS != if test -e 'config.mk.local'; then echo 'local'; else uname; fi
7 CROSS	= ./tools/bin/${TARGET}
8 CONFIG = config.mk.${HOSTOS}
9 
10 include ${CONFIG}
11 
12 COPT	= -g -O2
13 CFLAGS	= ${CFLAGS_OS} ${COPT} -std=c2x
14 LDFLAGS	= ${LDFLAGS_OS} -lpthread
15 
16 OBJ	= src/rvemu.o src/ecall.o src/cpu.o src/exec.o
17 T	= asm
18 PROGS	= examples/test.elf	\
19 	  examples/echo.elf	\
20 	  examples/cat.elf	\
21 	  examples/hello.elf	\
22 	  examples/asm.elf
23 
24 all: rvemu ${PROGS}
25 
26 od: examples/$T.elf
27 	${CROSS}-objdump -d examples/$T.elf | less
28 
29 run: rvemu ${PROGS}
30 	mkdir -p rootfs/bin
31 	cp -f rvemu rootfs/bin
32 	cp -f ${PROGS} rootfs/bin
33 	cp -f test.txt rootfs/
34 	${CHROOT} rootfs /bin/rvemu /bin/$T.elf
35 
36 distclean: clean
37 	(cd tools; ${MAKE} distclean)
38 
39 clean:
40 	rm -f rvemu src/*.o examples/*.elf *.core src/syscalls.h
41 	rm -rf rootfs
42 
43 install: rvemu
44 	mkdir -p ${DESTDIR}${PREFIX}/bin
45 	cp -f rvemu ${DESTDIR}${PREFIX}/bin/
46 
47 
48 rvemu: ${OBJ}
49 	${CC} -o $@ ${OBJ} ${LDFLAGS}
50 
51 src/ecall.o: src/syscalls.h
52 
53 src/syscalls.h: src/syscalls.inc
54 	sed 's/^\.set \(SYS_[a-z0-9_]*\), \([0-9]*\)$$/#define \1 \2/'	\
55 		< src/syscalls.inc > $@
56 
57 .c.o:
58 	${CC} -c -o $@ $< ${CFLAGS}
59 
60 
61 .c.elf:
62 	${CROSS}-gcc -g -o $@ $< -Og
63 
64 .S.elf:
65 	${CROSS}-gcc -g -o $@ $<