xref: /openbsd/sys/arch/hppa/conf/Makefile.hppa (revision 73471bf0) 
1#	$OpenBSD: Makefile.hppa,v 1.109 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 -MD -MP
26CWARNFLAGS=	-Werror -Wall -Wimplicit-function-declaration \
27		-Wno-uninitialized -Wno-pointer-sign \
28		-Wframe-larger-than=2047
29
30CMACHFLAGS=	-mfast-indirect-calls -mportable-runtime -mno-space-regs
31CMACHFLAGS+=	-ffreestanding ${NOPIE_FLAGS}
32CMACHFLAGS+=	-fno-stack-protector
33SORTR=		sort -R
34.if ${IDENT:M-DSMALL_KERNEL}
35SORTR=		cat
36COPTIMIZE?=	-Oz
37.endif
38
39DEBUG?=		-g
40COPTIMIZE?=	-O2
41CFLAGS=		${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTIMIZE} ${COPTS} ${PIPE}
42AFLAGS=		-D_LOCORE -x assembler-with-cpp ${CWARNFLAGS} ${CMACHFLAGS}
43LINKFLAGS=	-X -T ld.script -Ttext 80000 --warn-common -nopie
44
45.if ${IDENT:M-DDDB} != ""
46CFLAGS+=	-fno-omit-frame-pointer
47.endif
48.if ${IDENT:M-DSMALL_KERNEL}
49SORTR=		cat
50.endif
51
52.if ${IDENT:M-DHP7000_CPU} != ""
53CFLAGS+=	-mpa-risc-1-0
54.elif ${IDENT:M-DHP8*_CPU} != ""
55CFLAGS+=	-mpa-risc-2-0
56.else
57CFLAGS+=	-mpa-risc-1-1
58.endif
59
60HOSTCC?=	${CC}
61HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
62HOSTED_CFLAGS=	${CFLAGS}
63HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
64
65NORMAL_C_NOP=	${CC} ${CFLAGS} ${CPPFLAGS} -c $<
66NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
67NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $<
68
69%OBJS
70
71%CFILES
72
73%SFILES
74
75# load lines for config "xxx" will be emitted as:
76# xxx: ${SYSTEM_DEP} swapxxx.o
77#	${SYSTEM_LD_HEAD}
78#	${SYSTEM_LD} swapxxx.o
79#	${SYSTEM_LD_TAIL}
80SYSTEM_HEAD=	locore0.o gap.o
81SYSTEM_OBJ=	${SYSTEM_HEAD} ${OBJS} param.o ioconf.o
82SYSTEM_DEP=	Makefile ${SYSTEM_OBJ} ld.script
83SYSTEM_LD_HEAD=	@rm -f $@
84SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
85		umask 007; \
86		echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \
87		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder`
88SYSTEM_LD_TAIL=	@${SIZE} $@
89
90.if ${DEBUG} == "-g"
91STRIPFLAGS=	-S
92SYSTEM_LD_TAIL+=; umask 007; \
93		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
94		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
95		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
96.else
97LINKFLAGS+=	-S
98.endif
99
100%LOAD
101
102# cc's -MD puts the source and output paths in the dependency file;
103# since those are temp files here we need to fix it up.  It also
104# puts the file in /tmp, so we use -MF to put it in the current
105# directory as assym.P and then generate assym.d from it with a
106# good target name
107assym.h: $S/kern/genassym.sh Makefile \
108	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
109	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
110	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} -MF assym.P > assym.h.tmp
111	sed '1s/.*/assym.h: \\/' assym.P > assym.d
112	sort -u assym.h.tmp > assym.h
113
114param.c: $S/conf/param.c
115	rm -f param.c
116	cp $S/conf/param.c .
117
118param.o: param.c Makefile
119	${NORMAL_C}
120
121mcount.o: $S/lib/libkern/mcount.c Makefile
122	${NORMAL_C_NOP}
123
124ioconf.o: ioconf.c
125	${NORMAL_C}
126
127ld.script: ${_machdir}/conf/ld.script
128	cp ${_machdir}/conf/ld.script $@
129
130makegap.sh:
131	cp $S/conf/makegap.sh $@
132
133MAKE_GAP = LD="${LD}" sh makegap.sh 0x00000000	# BREAK 0,0 -> trap
134
135gap.o:	Makefile makegap.sh vers.o
136	${MAKE_GAP}
137
138vers.o: ${SYSTEM_DEP:Ngap.o}
139	sh $S/conf/newvers.sh
140	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
141
142clean:
143	rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \
144	    gap.link ld.script lorder makegap.sh param.c
145
146cleandir: clean
147	rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c
148
149depend obj:
150
151locore0.o: ${_machdir}/${_mach}/locore0.S assym.h
152locore.o: ${_machdir}/${_mach}/locore.S assym.h
153fpemu.o spcopy.o: assym.h
154
155hardlink-obsd:
156	[[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd
157
158newinstall:
159	install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd
160
161install: update-link hardlink-obsd newinstall
162
163# pull in the dependency information
164.ifnmake clean
165. for o in ${SYSTEM_OBJ:Ngap.o} assym.h
166.  if exists(${o:R}.d)
167.   include "${o:R}.d"
168.  elif exists($o)
169    .PHONY: $o
170.  endif
171. endfor
172.endif
173
174%RULES
175