blob: 70f9c8179bebc4c164eafb3ccd3d0d30cfc621e0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
# $OpenBSD: Makefile.beagle,v 1.40 2012/08/28 21:03:32 pascal Exp $
# For instructions on building kernels consult the config(8) and options(4)
# manual pages.
#
# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
# IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
# DEBUG is set to -g by config if debugging is requested (config -g).
# PROF is set to -pg by config if profiling is requested (config -p).
.include <bsd.own.mk>
SIZE?= size
STRIP?= strip
# source tree is located via $S relative to the compilation directory
.ifndef S
S!= cd ../../../..; pwd
.endif
_machdir?= $S/arch/${_mach}
_archdir?= $S/arch/${_arch}
INCLUDES= -nostdinc -I. -I$S -I$S/arch
CPPFLAGS= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D__${_mach}__ -MD -MP
CWARNFLAGS= -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes \
-Wno-main -Wno-uninitialized -Wno-format \
-Wstack-larger-than-2047
CMACHFLAGS= -ffreestanding -msoft-float # -march=armv4 -mtune=strongarm
CMACHFLAGS+= -fno-builtin-printf -fno-builtin-snprintf \
-fno-builtin-vsnprintf -fno-builtin-log \
-fno-builtin-log2 -fno-builtin-malloc ${NOPIE_FLAGS}
.if ${IDENT:M-DNO_PROPOLICE}
CMACHFLAGS+= -fno-stack-protector
.endif
COPTS?= -O2
CFLAGS= ${DEBUG} ${CWARNFLAGS} ${CMACHFLAGS} ${COPTS} ${PIPE}
AFLAGS= -D_LOCORE -x assembler-with-cpp ${CMACHFLAGS}
LINKFLAGS= -T ldscript --warn-common -nopie
.if ${IDENT:M-DDDB_STRUCT}
DB_STRUCTINFO= db_structinfo.h
.else
DB_STRUCTINFO=
.endif
HOSTCC?= ${CC}
HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
HOSTED_CFLAGS= ${CFLAGS}
HOSTED_C= ${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<
NORMAL_C_NOP= ${CC} ${CFLAGS} ${CPPFLAGS} -c $<
NORMAL_C= ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
NORMAL_S= ${CC} ${AFLAGS} ${CPPFLAGS} -c $<
OBJCOPY?= objcopy
%OBJS
%CFILES
%SFILES
# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
# ${SYSTEM_LD_HEAD}
# ${SYSTEM_LD} swapxxx.o
# ${SYSTEM_LD_TAIL}
SYSTEM_HEAD= ${_mach}_start.o locore.o param.o ioconf.o
SYSTEM_OBJ= ${SYSTEM_HEAD} ${OBJS}
SYSTEM_DEP= Makefile ${SYSTEM_OBJ}
SYSTEM_LD_HEAD= @rm -f $@
SYSTEM_LD_HEAD+=; \
cat ${_archdir}/conf/ldscript.head ${_archdir}/conf/ldscript.tail | \
sed -e 's/@KERNEL_BASE_PHYS@/${KERNEL_BASE_PHYS}/' \
-e 's/@KERNEL_BASE_VIRT@/${KERNEL_BASE_VIRT}/' > ldscript
SYSTEM_LD= @echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_HEAD} vers.o $${OBJS}'; \
${LD} ${LINKFLAGS} -o $@ ${SYSTEM_HEAD} vers.o ${OBJS}
SYSTEM_LD_TAIL= @${SIZE} $@; chmod 755 $@
DEBUG?=
.if ${DEBUG} == "-g"
LINKFLAGS+= -X
STRIPFLAGS= -g -x
SYSTEM_LD_TAIL+=; \
echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.else
LINKFLAGS+= -x
.endif
%LOAD
# cc's -MD puts the source and output paths in the dependency file;
# since those are temp files here we need to fix it up. It also
# puts the file in /tmp, so we use -MF to put it in the current
# directory as assym.P and then generate assym.d from it with a
# good target name
assym.h: $S/kern/genassym.sh Makefile \
${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} -MF assym.P > assym.h.tmp
sed '1s/.*/assym.h: \\/' assym.P > assym.d
sort -u assym.h.tmp > assym.h
param.c: $S/conf/param.c
rm -f param.c
cp $S/conf/param.c .
param.o: param.c Makefile
${NORMAL_C}
mcount.o: $S/lib/libkern/mcount.c Makefile
${NORMAL_C_NOP}
ioconf.o: ioconf.c
${NORMAL_C}
vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
sh $S/conf/newvers.sh
${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c
clean::
rm -f eddep *bsd *bsd.gdb tags *.[dio] [a-z]*.s \
[Ee]rrs linterrs assym.h ${DB_STRUCTINFO}
lint:
@lint -hbxncez -Dvolatile= ${CPPFLAGS} -UKGDB \
${CFILES} ioconf.c param.c | \
grep -v 'static function .* unused'
depend:
@touch $@
tags:
@echo "see $S/kern/Makefile for tags"
db_structinfo.h: $S/ddb/db_structinfo.c $S/ddb/parse_structinfo.awk
${CC} ${CFLAGS} ${CPPFLAGS} -MT $@ -gstabs -c $S/ddb/db_structinfo.c
objdump -g db_structinfo.o | awk -f $S/ddb/parse_structinfo.awk > $@
rm -f db_structinfo.o
${_mach}_start.o: ${_machdir}/${_mach}/${_mach}_start.S
locore.o: ${_archdir}/${_arch}/locore.S assym.h
in_cksum_arm.o fiq_subr.o bcopyinout.o copystr.o sigcode.o: assym.h
vectors.o cpuswitch.o exception.o bcopy_page.o irq_dispatch.o: assym.h
# The install target can be redefined by putting a
# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
MACHINE_NAME!= uname -n
install: install-kernel-${MACHINE_NAME}
.if !target(install-kernel-${MACHINE_NAME}})
install-kernel-${MACHINE_NAME}:
rm -f /obsd
ln /bsd /obsd
cp bsd /nbsd
mv /nbsd /bsd
.endif
# pull in the dependency information
.if !empty(DB_STRUCTINFO) && !exists(${DB_STRUCTINFO})
${SYSTEM_OBJ}: ${DB_STRUCTINFO}
.endif
.ifnmake clean
. for o in ${SYSTEM_OBJ} assym.h ${DB_STRUCTINFO}
. if exists(${o:R}.d)
. include "${o:R}.d"
. elif exists($o)
.PHONY: $o
. endif
. endfor
.endif
# until we get native booting working, put this in the tree.
bsdrd.img: bsd.rd
${OBJCOPY} -O binary bsd.rd bsdrd.img
bsd.img: bsd
${OBJCOPY} -O binary bsd bsd.img
bsdrd.umg: bsdrd.img
mkuboot -a arm -o linux -e ${KERNEL_BASE_PHYS} -l ${KERNEL_BASE_PHYS} bsdrd.img bsdrd.umg
bsd.umg: bsd.img
mkuboot -a arm -o linux -e ${KERNEL_BASE_PHYS} -l ${KERNEL_BASE_PHYS} bsd.img bsd.umg
bsd.rd: bsd
cp bsd bsd.rd
$S/../distrib/${_mach}/ramdisk/rdsetroot < $S/../distrib/${_mach}/ramdisk/mr.fs bsd.rd
%RULES
|
