xref: /openbsd/sys/arch/macppc/conf/Makefile.macppc (revision 09467b48) 
1#	$OpenBSD: Makefile.macppc,v 1.99 2019/11/07 20:42:28 guenther 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$S/arch \
25		-I$S/dev/pci/drm/include \
26		-I$S/dev/pci/drm/include/uapi
27CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D__${_mach}__ -MD -MP
28CWARNFLAGS=	-Werror -Wall -Wimplicit-function-declaration \
29		-Wno-main -Wno-uninitialized -Wno-pointer-sign \
30		-Wframe-larger-than=2047
31
32CMACHFLAGS=	-msoft-float
33.if ${COMPILER_VERSION:Mgcc4}
34CMACHFLAGS+=	-Wa,-many
35.endif
36CMACHFLAGS+=	-ffreestanding ${NOPIE_FLAGS}
37SORTR=		sort -R
38.if ${IDENT:M-DNO_PROPOLICE}
39CMACHFLAGS+=	-fno-stack-protector
40.endif
41.if ${IDENT:M-DSMALL_KERNEL}
42SORTR=		cat
43COPTS?=		-Oz
44.endif
45.if ${COMPILER_VERSION:Mclang}
46NO_INTEGR_AS=	-no-integrated-as
47CWARNFLAGS+=	-Wno-address-of-packed-member -Wno-constant-conversion
48.endif
49
50DEBUG?=		-g
51COPTS?=		-O2
52CFLAGS=		${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTS} ${PIPE}
53AFLAGS=		-D_LOCORE ${CMACHFLAGS}
54LINKFLAGS=	-N -Ttext 100114 -e start --warn-common -nopie
55
56HOSTCC?=	${CC}
57HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
58HOSTED_CFLAGS=	${CFLAGS}
59HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
60
61NORMAL_C_NOP=	${CC} ${CFLAGS} ${CPPFLAGS} -c $<
62NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
63NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $<
64
65%OBJS
66
67%CFILES
68
69%SFILES
70
71# load lines for config "xxx" will be emitted as:
72# xxx: ${SYSTEM_DEP} swapxxx.o
73#	${SYSTEM_LD_HEAD}
74#	${SYSTEM_LD} swapxxx.o
75#	${SYSTEM_LD_TAIL}
76SYSTEM_HEAD=	locore0.o gap.o
77SYSTEM_OBJ=	${SYSTEM_HEAD} ${OBJS} param.o ioconf.o
78SYSTEM_DEP=	Makefile ${SYSTEM_OBJ} ld.script
79SYSTEM_LD_HEAD=	@rm -f $@
80SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
81		umask 007; \
82		echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \
83		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder`
84SYSTEM_LD_TAIL=	@${SIZE} $@
85
86.if ${DEBUG} == "-g"
87STRIPFLAGS=	-S
88SYSTEM_LD_TAIL+=; umask 007; \
89		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
90		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
91		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
92.else
93LINKFLAGS+=	-S
94.endif
95
96%LOAD
97
98# cc's -MD puts the source and output paths in the dependency file;
99# since those are temp files here we need to fix it up.  It also
100# puts the file in /tmp, so we use -MF to put it in the current
101# directory as assym.P and then generate assym.d from it with a
102# good target name
103assym.h: $S/kern/genassym.sh Makefile \
104	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
105	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
106	    sh $S/kern/genassym.sh ${CC} ${NO_INTEGR_AS} ${CFLAGS} ${CPPFLAGS} -MF assym.P > assym.h.tmp
107	sed '1s/.*/assym.h: \\/' assym.P > assym.d
108	sort -u assym.h.tmp > assym.h
109
110param.c: $S/conf/param.c
111	rm -f param.c
112	cp $S/conf/param.c .
113
114param.o: param.c Makefile
115	${NORMAL_C}
116
117mcount.o: $S/lib/libkern/mcount.c Makefile
118	${NORMAL_C_NOP}
119
120ioconf.o: ioconf.c
121	${NORMAL_C}
122
123ld.script: ${_machdir}/conf/ld.script
124	cp ${_machdir}/conf/ld.script $@
125
126makegap.sh:
127	cp $S/conf/makegap.sh $@
128
129MAKE_GAP = LD="${LD}" sh makegap.sh 0x00000000	# guaranteed illegal
130
131gap.o:	Makefile makegap.sh vers.o
132	${MAKE_GAP}
133
134vers.o: ${SYSTEM_DEP:Ngap.o}
135	sh $S/conf/newvers.sh
136	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
137
138clean:
139	rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \
140	    gap.link ld.script lorder makegap.sh param.c
141
142cleandir: clean
143	rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c
144
145depend obj:
146
147locore0.o: ${_machdir}/${_mach}/locore0.S assym.h
148locore.o: ${_machdir}/${_mach}/locore.S assym.h
149mutex.o: assym.h
150
151hardlink-obsd:
152	[[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd
153
154newinstall:
155	install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd
156
157install: update-link hardlink-obsd newinstall
158
159# pull in the dependency information
160.ifnmake clean
161. for o in ${SYSTEM_OBJ:Ngap.o} assym.h
162.  if exists(${o:R}.d)
163.   include "${o:R}.d"
164.  elif exists($o)
165    .PHONY: $o
166.  endif
167. endfor
168.endif
169
170%RULES
171