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: releng/11.0/sys/conf/Makefile.arm 295149 2016-02-02 14:53:34Z mmel $
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 # hack because genassym.c includes sys/bus.h which includes these.
57 genassym.o: bus_if.h device_if.h
58
59 SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader ${_LDFLAGS} \
60 -warn-common -export-dynamic -dynamic-linker /red/herring -o \
61 ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
62 SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
63 >ldscript.$M.noheader; \
64 ${SYSTEM_LD_}; \
65 ${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
66 ${KERNEL_KO}.bin; \
67 rm ${FULLKERNEL}.noheader
68
69 FILES_CPU_FUNC = \
70 $S/$M/$M/cpufunc_asm_arm9.S \
71 $S/$M/$M/cpufunc_asm_xscale.S $S/$M/$M/cpufunc_asm.S \
72 $S/$M/$M/cpufunc_asm_xscale_c3.S $S/$M/$M/cpufunc_asm_armv5_ec.S \
73 $S/$M/$M/cpufunc_asm_fa526.S $S/$M/$M/cpufunc_asm_sheeva.S \
74 $S/$M/$M/cpufunc_asm_pj4b.S $S/$M/$M/cpufunc_asm_armv6.S \
75 $S/$M/$M/cpufunc_asm_armv7.S
76
77 .if defined(KERNPHYSADDR)
78 KERNEL_EXTRA=trampoline
79 KERNEL_EXTRA_INSTALL=kernel.gz.tramp
80 trampoline: ${KERNEL_KO}.tramp
81 ${KERNEL_KO}.tramp: ${KERNEL_KO} $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c
82 echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
83 sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
84 sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
85 ldscript.$M.tramp.noheader
86 echo "#include <machine/asm.h>" >tmphack.S
87 echo "ENTRY(_start)" >>tmphack.S
88 echo "bl _startC" >>tmphack.S
89 ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
90 -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
91 eval $$(stat -s ${KERNEL_KO}.tmp) && \
92 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
93 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
94 tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
95 ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp
96 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
97 ldscript.$M.tramp.noheader \
98 tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
99 ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
100 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
101 ${KERNEL_KO}.tramp.bin
102 ${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
103 echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" >opt_kernname.h
104 eval $$(stat -s ${KERNEL_KO}.tmp) && \
105 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
106 gzip -f9 ${KERNEL_KO}.tmp
107 eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
108 echo "#define KERNCOMPSIZE $$st_size" >>opt_kernname.h
109 ${CC} -O2 -ffreestanding -DKZIP -I. -I$S -c $S/kern/inflate.c -o \
110 inflate-tramp.o
111 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
112 -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
113 $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.gz.tramp
114 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
115 ldscript.$M.tramp.noheader \
116 -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
117 $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
118 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
119 ${KERNEL_KO}.gz.tramp.bin
120 rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
121 inflate-tramp.o tmphack.S
122 .endif
123
124 %BEFORE_DEPEND
125
126 %OBJS
127
128 %FILES.c
129
130 %FILES.s
131
132 %FILES.m
133
134 %CLEAN
135
136 CLEAN+= ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
137
138 CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
139 ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
140 ${KERNEL_KO}.gz.tramp.bin
141
142 ldscript.$M: $S/conf/ldscript.$M
143 cat $S/conf/ldscript.$M|sed s/KERNPHYSADDR/${KERNPHYSADDR}/g| \
144 sed s/KERNVIRTADDR/${KERNVIRTADDR}/g > ldscript.$M
145 %RULES
146
147 .include "$S/conf/kern.post.mk"
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