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