1#	$OpenBSD: Makefile.powerpc64,v 1.17 2023/09/06 09:12:49 kettenis 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$S/dev/pci/drm/include/uapi \
27		-I$S/dev/pci/drm/amd/include/asic_reg \
28		-I$S/dev/pci/drm/amd/include \
29		-I$S/dev/pci/drm/amd/amdgpu \
30		-I$S/dev/pci/drm/amd/display \
31		-I$S/dev/pci/drm/amd/display/include \
32		-I$S/dev/pci/drm/amd/display/dc \
33		-I$S/dev/pci/drm/amd/display/amdgpu_dm \
34		-I$S/dev/pci/drm/amd/pm/inc \
35		-I$S/dev/pci/drm/amd/pm/legacy-dpm \
36		-I$S/dev/pci/drm/amd/pm/swsmu \
37		-I$S/dev/pci/drm/amd/pm/swsmu/inc \
38		-I$S/dev/pci/drm/amd/pm/swsmu/smu11 \
39		-I$S/dev/pci/drm/amd/pm/swsmu/smu12 \
40		-I$S/dev/pci/drm/amd/pm/swsmu/smu13 \
41		-I$S/dev/pci/drm/amd/pm/powerplay/inc \
42		-I$S/dev/pci/drm/amd/pm/powerplay/hwmgr \
43		-I$S/dev/pci/drm/amd/pm/powerplay/smumgr \
44		-I$S/dev/pci/drm/amd/pm/swsmu/inc \
45		-I$S/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if \
46		-I$S/dev/pci/drm/amd/display/dc/inc \
47		-I$S/dev/pci/drm/amd/display/dc/inc/hw \
48		-I$S/dev/pci/drm/amd/display/dc/clk_mgr \
49		-I$S/dev/pci/drm/amd/display/modules/inc \
50		-I$S/dev/pci/drm/amd/display/modules/hdcp \
51		-I$S/dev/pci/drm/amd/display/dmub/inc
52CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -MD -MP
53CWARNFLAGS=	-Werror -Wall -Wimplicit-function-declaration \
54		-Wno-pointer-sign \
55		-Wno-constant-conversion -Wno-address-of-packed-member \
56		-Wno-unused-but-set-variable -Wno-gnu-folding-constant \
57		-Wframe-larger-than=2047
58
59CMACHFLAGS=	-msoft-float -mno-altivec -mno-vsx
60CMACHFLAGS+=	-ffreestanding
61SORTR=		sort -R
62.if ${IDENT:M-DNO_PROPOLICE}
63CMACHFLAGS+=	-fno-stack-protector
64.endif
65.if ${IDENT:M-DSMALL_KERNEL}
66SORTR=		cat
67COPTIMIZE?=	-Oz
68.endif
69
70DEBUG?=		-g
71COPTIMIZE?=	-O2
72CFLAGS=		${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTIMIZE} ${COPTS} ${PIPE}
73AFLAGS=		-D_LOCORE -x assembler-with-cpp ${CWARNFLAGS} ${CMACHFLAGS}
74LINKFLAGS=	-T ld.script -X --warn-common -pie
75
76HOSTCC?=	${CC}
77HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
78HOSTED_CFLAGS=	${CFLAGS}
79HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
80
81NORMAL_C_NOP=	${CC} ${CFLAGS} ${CPPFLAGS} -fno-ret-protector -c $<
82NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
83NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} ${PROF} -c $<
84
85%OBJS
86
87%CFILES
88
89%SFILES
90
91# load lines for config "xxx" will be emitted as:
92# xxx: ${SYSTEM_DEP} swapxxx.o
93#	${SYSTEM_LD_HEAD}
94#	${SYSTEM_LD} swapxxx.o
95#	${SYSTEM_LD_TAIL}
96SYSTEM_HEAD=	locore0.o gap.o
97SYSTEM_OBJ=	${SYSTEM_HEAD} ${OBJS} param.o ioconf.o
98SYSTEM_DEP=	Makefile ${SYSTEM_OBJ} ld.script
99SYSTEM_LD_HEAD=	@rm -f $@
100SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
101		umask 007; \
102		echo ${OBJS} param.o ioconf.o vers.o | tr " " "\n" | ${SORTR} > lorder; \
103		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} `cat lorder`
104SYSTEM_LD_TAIL=	@${SIZE} $@
105
106.if ${DEBUG} == "-g"
107STRIPFLAGS=	-S
108SYSTEM_LD_TAIL+=; umask 007; \
109		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
110		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
111		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
112.else
113LINKFLAGS+=	-S
114.endif
115
116%LOAD
117
118# cc's -MD puts the source and output paths in the dependency file;
119# since those are temp files here we need to fix it up.  It also
120# puts the file in /tmp, so we use -MF to put it in the current
121# directory as assym.P and then generate assym.d from it with a
122# good target name
123assym.h: $S/kern/genassym.sh Makefile \
124	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
125	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
126	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} -no-integrated-as -MF assym.P > assym.h.tmp
127	sed '1s/.*/assym.h: \\/' assym.P > assym.d
128	sort -u assym.h.tmp > assym.h
129
130param.c: $S/conf/param.c
131	rm -f param.c
132	cp $S/conf/param.c .
133
134param.o: param.c Makefile
135	${NORMAL_C}
136
137mcount.o: $S/lib/libkern/mcount.c Makefile
138	${NORMAL_C_NOP}
139
140ioconf.o: ioconf.c
141	${NORMAL_C}
142
143ld.script: ${_machdir}/conf/ld.script
144	cp ${_machdir}/conf/ld.script $@
145
146gapdummy.o:
147	echo '__asm(".section .rodata,\"a\"");' > gapdummy.c
148	${CC} -c ${CFLAGS} ${CPPFLAGS} gapdummy.c -o $@
149
150makegap.sh:
151	cp $S/conf/makegap.sh $@
152
153MAKE_GAP = LD="${LD}" sh makegap.sh 0x00000000 gapdummy.o
154
155gap.o:	Makefile makegap.sh gapdummy.o vers.o
156	${MAKE_GAP}
157
158vers.o: ${SYSTEM_DEP:Ngap.o}
159	sh $S/conf/newvers.sh
160	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
161
162clean:
163	rm -f *bsd *bsd.gdb *.[dio] [a-z]*.s assym.* \
164	    gap.link gapdummy.c ld.script lorder makegap.sh param.c
165
166cleandir: clean
167	rm -f Makefile *.h ioconf.c options machine ${_mach} vers.c
168
169depend obj:
170
171locore0.o: ${_machdir}/${_mach}/locore0.S assym.h
172locore.o: ${_machdir}/${_mach}/locore.S assym.h
173trap_subr.o: ${_machdir}/${_mach}/trap_subr.S assym.h
174kexec_subr.o: ${_machdir}/dev/kexec_subr.S assym.h
175
176hardlink-obsd:
177	[[ ! -f /bsd ]] || cmp -s bsd /bsd || ln -f /bsd /obsd
178
179newinstall:
180	install -F -m 700 bsd /bsd && sha256 -h /var/db/kernel.SHA256 /bsd
181
182install: update-link hardlink-obsd newinstall
183
184# pull in the dependency information
185.ifnmake clean
186. for o in ${SYSTEM_OBJ:Ngap.o} assym.h
187.  if exists(${o:R}.d)
188.   include "${o:R}.d"
189.  elif exists($o)
190    .PHONY: $o
191.  endif
192. endfor
193.endif
194
195%RULES
196