xref: /openbsd/sys/arch/luna88k/conf/Makefile.luna88k (revision 097a140d) 
1#	$OpenBSD: Makefile.luna88k,v 1.84 2021/01/28 17:39:03 deraadt Exp $
2
3# For instructions on building kernels consult the config(8) and options(4)
4# manual pages.
5#
6# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
7#	IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
8# DEBUG is set to -g by config if debugging is requested (config -g).
9# PROF is set to -pg by config if profiling is requested (config -p).
10
11.include <bsd.own.mk>
12
13SIZE?=	size
14STRIP?=	ctfstrip
15
16# source tree is located via $S relative to the compilation directory
17.ifndef S
18S!=	cd ../../../..; pwd
19.endif
20
21_machdir?=	$S/arch/${_mach}
22_archdir?=	$S/arch/${_arch}
23
24INCLUDES=	-nostdinc -I$S -I${.OBJDIR} -I$S/arch
25CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D__${_mach}__ -MD -MP
26CWARNFLAGS=	-Werror -Wall -Wimplicit-function-declaration \
27		-Wno-main -Wno-uninitialized \
28		-Wframe-larger-than=2047
29
30CMACHFLAGS=	-mno-check-zero-division -mmemcpy
31CMACHFLAGS+=	-fno-builtin-printf -fno-builtin-snprintf \
32		-fno-builtin-vsnprintf -fno-builtin-log \
33		-fno-builtin-log2 -fno-builtin-malloc
34SORTR=		sort -R
35.if ${IDENT:M-DNO_PROPOLICE}
36CMACHFLAGS+=	-fno-stack-protector
37.endif
38.if ${IDENT:M-DSMALL_KERNEL}
39SORTR=		cat
40COPTIMIZE?=	-Oz
41.endif
42
43DEBUG?=		-g
44COPTIMIZE?=	-O2
45CFLAGS=		${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTIMIZE} ${COPTS} ${PIPE}
46AFLAGS=		-D_LOCORE -x assembler-with-cpp ${CWARNFLAGS} ${CMACHFLAGS}
47LINKFLAGS=	-T ld.script -Ttext 0x80000 -e __start -X -N --warn-common -nopie
48
49HOSTCC?=	${CC}
50HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
51HOSTED_CFLAGS=	${CFLAGS}
52HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
53
54NORMAL_C_NOP=	${CC} ${CFLAGS} ${CPPFLAGS} -c $<
55NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
56NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $<
57PROFILE_C=	${CC} -S -c ${CFLAGS} ${CPPFLAGS} $<; \
58		sed -e s/_mcount/mcount/ -e s/subrmcount/subr_mcount/ <$*.s | \
59		${AS} -o $@; \
60		rm -f $*.s
61
62%OBJS
63
64%CFILES
65
66%SFILES
67
68# load lines for config "xxx" will be emitted as:
69# xxx: ${SYSTEM_DEP} swapxxx.o
70#	${SYSTEM_LD_HEAD}
71#	${SYSTEM_LD} swapxxx.o
72#	${SYSTEM_LD_TAIL}
73SYSTEM_HEAD=	locore0.o gap.o
74SYSTEM_OBJ=	${SYSTEM_HEAD} ${OBJS} param.o ioconf.o
75SYSTEM_DEP=	Makefile ${SYSTEM_OBJ} ld.script
76SYSTEM_LD_HEAD=	@rm -f $@
77SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
78		umask 007; \
79		echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \
80		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder`
81SYSTEM_LD_TAIL=	@${SIZE} $@
82
83.if ${DEBUG} == "-g"
84STRIPFLAGS=	-S
85SYSTEM_LD_TAIL+=; umask 007; \
86		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
87		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
88		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
89.else
90LINKFLAGS+=	-S
91.endif
92
93%LOAD
94
95# cc's -MD puts the source and output paths in the dependency file;
96# since those are temp files here we need to fix it up.  It also
97# puts the file in /tmp, so we use -MF to put it in the current
98# directory as assym.P and then generate assym.d from it with a
99# good target name
100assym.h: $S/kern/genassym.sh Makefile \
101	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
102	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
103	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} -MF assym.P > assym.h.tmp
104	sed '1s/.*/assym.h: \\/' assym.P > assym.d
105	sort -u assym.h.tmp > assym.h
106
107param.c: $S/conf/param.c
108	rm -f param.c
109	cp $S/conf/param.c .
110
111param.o: param.c Makefile
112	${NORMAL_C}
113
114mcount.o: $S/lib/libkern/mcount.c Makefile
115	${NORMAL_C_NOP}
116
117ioconf.o: ioconf.c
118	${NORMAL_C}
119
120ld.script: ${_machdir}/conf/ld.script
121	cp ${_machdir}/conf/ld.script $@
122
123makegap.sh:
124	cp $S/conf/makegap.sh $@
125
126MAKE_GAP = LD="${LD}" sh makegap.sh 0x00000000
127
128gap.o:	Makefile makegap.sh vers.o
129	${MAKE_GAP}
130
131vers.o: ${SYSTEM_DEP:Ngap.o}
132	sh $S/conf/newvers.sh
133	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
134
135clean:
136	rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \
137	    gap.link ld.script lorder makegap.sh param.c
138
139cleandir: clean
140	rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c
141
142depend obj:
143
144locore0.o: ${_machdir}/${_mach}/locore0.S assym.h
145locore.o eh.o mutex.o process.o subr.o: assym.h
146
147hardlink-obsd:
148	[[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd
149
150newinstall:
151	install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd
152
153install: update-link hardlink-obsd newinstall
154
155# pull in the dependency information
156.ifnmake clean
157. for o in ${SYSTEM_OBJ:Ngap.o} assym.h
158.  if exists(${o:R}.d)
159.   include "${o:R}.d"
160.  elif exists($o)
161    .PHONY: $o
162.  endif
163. endfor
164.endif
165
166%RULES
167