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 -Wall -Wextra
13 LDFLAGS	= ${LDFLAGS_OS} -lpthread
14 
15 OBJ	= src/linurv.o src/ecall.o src/cpu.o src/exec.o src/signal.o src/data.o
16 T	= signal
17 PROGS	= examples/test.elf	\
18 	  examples/echo.elf	\
19 	  examples/cat.elf	\
20 	  examples/hello.elf	\
21 	  examples/asm.elf	\
22 	  examples/signal.elf	\
23 	  examples/true.elf
24 
25 all: linurv ${PROGS}
26 
27 config:
28 	@echo "CC=${CC}"
29 	@echo "CXX=${CXX}"
30 	@echo "SUDO=${SUDO}"
31 	@echo "CFLAGS=${CFLAGS}"
32 	@echo "LDFLAGS=${LDFLAGS}"
33 	@echo "CHROOT=${CHROOT}"
34 
35 od: examples/$T.elf
36 	${CROSS}-objdump -d examples/$T.elf | less
37 
38 od-bb:
39 	${CROSS}-objdump -d rootfs/bb/bin/busybox | less
40 
41 run: linurv ${PROGS}
42 	mkdir -p rootfs/bin
43 	cp -f linurv rootfs/bin/
44 	for f in ${PROGS:.elf=}; do cp -f $$f.elf rootfs/bin/$$(basename "$$f"); done
45 	cp -f test.txt rootfs/
46 	${CHROOT} rootfs /bin/linurv -v /bin/$T
47 
48 distclean: clean
49 	(cd tools; ${MAKE} distclean)
50 
51 clean:
52 	rm -f linurv src/*.o examples/*.elf *.core src/syscalls.h src/signal-bootstrap-code.h src/sbc.* src/data.[ch]
53 	rm -rf rootfs
54 
55 install: linurv
56 	mkdir -p ${DESTDIR}${PREFIX}/bin
57 	cp -f linurv ${DESTDIR}${PREFIX}/bin/
58 
59 linurv: ${OBJ}
60 	${CC} -o $@ ${OBJ} ${LDFLAGS}
61 
62 ${OBJ}: src/linurv.h src/data.h
63 src/ecall.o: src/syscalls.h
64 
65 src/cpu.o: src/signal-bootstrap-code.h
66 
67 src/syscalls.h: src/syscalls.inc src/gensyscalls.sh
68 	sh src/gensyscalls.sh < src/syscalls.inc > $@
69 
70 .c.o:
71 	${CC} -c -o $@ $< ${CFLAGS}
72 
73 src/signal-bootstrap-code.h: src/signal-bootstrap-code.S
74 	${CROSS}-as -o src/sbc.o src/signal-bootstrap-code.S
75 	${CROSS}-objcopy -O binary src/sbc.o src/sbc.bin
76 	hexdump -v -e '16/1 "0x%02x," "\n"' <src/sbc.bin  >$@
77 	rm -f src/sbc.*
78 
79 .c.elf:
80 	${CROSS}-gcc -g -o $@ $< -Og
81 
82 .S.elf:
83 	${CROSS}-gcc -g -o $@ $<
84 
85 src/data.c src/data.h: src/data.dst
86 	(cd src && ../tools/bin/destruct -e little -H data.h -o data.c data.dst)