FreeBSD/Linux Kernel Cross Reference
sys/conf/Makefile.arm
1 # Makefile.arm -- with config changes.
2 # Copyright 1990 W. Jolitz
3 # from: @(#)Makefile.i386 7.1 5/10/91
4 # $FreeBSD$
5 #
6 # Makefile for FreeBSD
7 #
8 # This makefile is constructed from a machine description:
9 # config machineid
10 # Most changes should be made in the machine description
11 # /sys/arm/conf/``machineid''
12 # after which you should do
13 # config machineid
14 # Generic makefile changes should be made in
15 # /sys/conf/Makefile.arm
16 # after which config should be rerun for all machines.
17 #
18
19 # Which version of config(8) is required.
20 %VERSREQ= 600013
21
22 STD8X16FONT?= iso
23
24 .if !defined(S)
25 .if exists(./@/.)
26 S= ./@
27 .else
28 S= ../../..
29 .endif
30 .endif
31 .include "$S/conf/kern.pre.mk"
32
33 INCLUDES+= -I$S/contrib/libfdt -I$S/gnu/dts/include
34
35 SYSTEM_LD:= ${SYSTEM_LD:$S/conf/ldscript.$M=ldscript.$M}
36 SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/ldscript.$M=ldscript.$M}
37
38 .if !defined(DEBUG) && !defined(PROFLEVEL)
39 STRIP_FLAGS = -S
40 .endif
41
42 # We don't support gcc's thump interwork stuff, so disable it
43 CFLAGS.gcc += -mno-thumb-interwork
44
45 # We generally don't want fpu instructions in the kernel.
46 CFLAGS.clang += -mfpu=none
47
48 .if !empty(DDB_ENABLED)
49 CFLAGS += -funwind-tables
50 .if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 30500
51 # clang < 3.5.0 requires us to tell it to emit assembly with unwind information
52 CFLAGS += -mllvm -arm-enable-ehabi
53 .endif
54 .endif
55
56 # "makeoptions KERNVIRTADDR=" is now optional, supply the default value.
57 .if empty(KERNVIRTADDR)
58 KERNVIRTADDR= 0xc0000000
59 .endif
60
61 # hack because genassym.c includes sys/bus.h which includes these.
62 genassym.o: bus_if.h device_if.h
63
64 SYSTEM_LD_ = ${LD} -m ${LD_EMULATION} -Bdynamic -T ldscript.$M.noheader \
65 ${_LDFLAGS} --no-warn-mismatch --warn-common --export-dynamic \
66 --dynamic-linker /red/herring \
67 -o ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
68 SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
69 >ldscript.$M.noheader; \
70 ${SYSTEM_LD_}; \
71 ${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
72 ${KERNEL_KO}.bin; \
73 rm ${FULLKERNEL}.noheader
74
75 FILES_CPU_FUNC = \
76 $S/$M/$M/cpufunc_asm_armv5_ec.S \
77 $S/$M/$M/cpufunc_asm_sheeva.S
78
79 .if ${MACHINE_ARCH:Marmv[67]*} == "" && defined(KERNPHYSADDR)
80 KERNEL_EXTRA=trampoline
81 KERNEL_EXTRA_INSTALL=kernel.gz.tramp
82 trampoline: ${KERNEL_KO}.tramp
83 ${KERNEL_KO}.tramp: ${KERNEL_KO} $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c
84 echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
85 sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
86 sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
87 ldscript.$M.tramp.noheader
88 echo "#include <machine/asm.h>" >tmphack.S
89 echo "ENTRY(_start)" >>tmphack.S
90 echo "bl _startC" >>tmphack.S
91 ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
92 -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
93 eval $$(stat -s ${KERNEL_KO}.tmp) && \
94 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
95 ${CC} -O -nostdlib -I. -I$S \
96 -Xlinker -T -Xlinker ldscript.$M.tramp \
97 -DELF_TRAMPOLINE \
98 tmphack.S \
99 $S/$M/$M/elf_trampoline.c \
100 $S/$M/$M/inckern.S \
101 ${FILES_CPU_FUNC} \
102 -o ${KERNEL_KO}.tramp
103 ${CC} -O -nostdlib -I. -I$S \
104 -Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
105 -DELF_TRAMPOLINE \
106 tmphack.S \
107 $S/$M/$M/elf_trampoline.c \
108 $S/$M/$M/inckern.S \
109 ${FILES_CPU_FUNC} \
110 -o ${KERNEL_KO}.tramp.noheader
111 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
112 ${KERNEL_KO}.tramp.bin
113 ${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
114 echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" >opt_kernname.h
115 eval $$(stat -s ${KERNEL_KO}.tmp) && \
116 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
117 gzip -f9 ${KERNEL_KO}.tmp
118 eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
119 echo "#define KERNCOMPSIZE $$st_size" >>opt_kernname.h
120 ${CC} -O2 -ffreestanding -I. -I$S -c \
121 -DKZIP -DELF_TRAMPOLINE \
122 $S/kern/subr_inflate.c \
123 -o inflate-tramp.o
124 ${CC} -O -nostdlib -I. -I$S \
125 -Xlinker -T -Xlinker ldscript.$M.tramp \
126 -DKZIP -DELF_TRAMPOLINE \
127 tmphack.S \
128 $S/$M/$M/elf_trampoline.c \
129 inflate-tramp.o \
130 $S/$M/$M/inckern.S \
131 ${FILES_CPU_FUNC} \
132 -o ${KERNEL_KO}.gz.tramp
133 ${CC} -O -nostdlib -I. -I$S \
134 -Xlinker -T -Xlinker ldscript.$M.tramp.noheader \
135 -DKZIP -DELF_TRAMPOLINE \
136 tmphack.S \
137 $S/$M/$M/elf_trampoline.c \
138 inflate-tramp.o \
139 $S/$M/$M/inckern.S \
140 ${FILES_CPU_FUNC} \
141 -o ${KERNEL_KO}.tramp.noheader
142 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
143 ${KERNEL_KO}.gz.tramp.bin
144 rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
145 inflate-tramp.o tmphack.S
146 .endif
147
148 %BEFORE_DEPEND
149
150 %OBJS
151
152 %FILES.c
153
154 %FILES.s
155
156 %FILES.m
157
158 %CLEAN
159
160 CLEAN+= ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
161
162 CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
163 ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
164 ${KERNEL_KO}.gz.tramp.bin
165
166 ldscript.$M: $S/conf/ldscript.$M
167 cat $S/conf/ldscript.$M|sed s/KERNPHYSADDR/${KERNPHYSADDR}/g| \
168 sed s/KERNVIRTADDR/${KERNVIRTADDR}/g > ldscript.$M
169 %RULES
170
171 .include "$S/conf/kern.post.mk"
Cache object: d1fac0fa5ae526f5f3b485e0a9f03d31
|