1 # Makefile.arm -- with config changes.
2 # Copyright 1990 W. Jolitz
3 # from: @(#)Makefile.i386 7.1 5/10/91
8 # This makefile is constructed from a machine description:
10 # Most changes should be made in the machine description
11 # /sys/arm/conf/``machineid''
12 # after which you should do
14 # Generic makefile changes should be made in
15 # /sys/conf/Makefile.arm
16 # after which config should be rerun for all machines.
19 # Which version of config(8) is required.
31 .include "$S/conf/kern.pre.mk"
33 INCLUDES+= -I$S/contrib/libfdt
35 SYSTEM_LD:= ${SYSTEM_LD:$S/conf/ldscript.$M=ldscript.$M}
36 SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/ldscript.$M=ldscript.$M}
38 .if !defined(DEBUG) && !defined(PROFLEVEL)
42 .if ${COMPILER_TYPE} != "clang"
43 CFLAGS += -mno-thumb-interwork
45 # We generally don't want fpu instructions in the kernel.
49 .if empty(DDB_ENABLED)
50 .if defined(WITHOUT_ARM_EABI) && ${COMPILER_TYPE} != "clang"
51 CFLAGS += -mno-apcs-frame
53 .elif !defined(WITHOUT_ARM_EABI)
54 CFLAGS += -funwind-tables
55 .if ${COMPILER_TYPE} == "clang"
56 # clang requires us to tell it to emit assembly with unwind information
57 CFLAGS += -mllvm -arm-enable-ehabi
61 # hack because genassym.c includes sys/bus.h which includes these.
62 genassym.o: bus_if.h device_if.h
64 SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader ${LDFLAGS} \
65 -warn-common -export-dynamic -dynamic-linker /red/herring -o \
66 ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
67 SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
68 >ldscript.$M.noheader; \
70 ${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
72 rm ${FULLKERNEL}.noheader
74 .if defined(MFS_IMAGE)
75 SYSTEM_LD_TAIL += ;sh ${S}/tools/embed_mfs.sh ${KERNEL_KO}.bin ${MFS_IMAGE};
79 $S/$M/$M/cpufunc_asm_arm9.S \
80 $S/$M/$M/cpufunc_asm_arm10.S \
81 $S/$M/$M/cpufunc_asm_xscale.S $S/$M/$M/cpufunc_asm.S \
82 $S/$M/$M/cpufunc_asm_xscale_c3.S $S/$M/$M/cpufunc_asm_armv5_ec.S \
83 $S/$M/$M/cpufunc_asm_fa526.S $S/$M/$M/cpufunc_asm_sheeva.S \
84 $S/$M/$M/cpufunc_asm_pj4b.S $S/$M/$M/cpufunc_asm_armv6.S \
85 $S/$M/$M/cpufunc_asm_armv7.S
87 .if defined(KERNPHYSADDR)
88 KERNEL_EXTRA=trampoline
89 KERNEL_EXTRA_INSTALL=kernel.gz.tramp
90 trampoline: ${KERNEL_KO}.tramp
91 ${KERNEL_KO}.tramp: ${KERNEL_KO} $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c
92 echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
93 sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
94 sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
95 ldscript.$M.tramp.noheader
96 echo "#include <machine/asm.h>" >tmphack.S
97 echo "ENTRY(_start)" >>tmphack.S
98 echo "bl _startC" >>tmphack.S
99 ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
100 -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
101 eval $$(stat -s ${KERNEL_KO}.tmp) && \
102 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
103 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
104 tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
105 ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp
106 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
107 ldscript.$M.tramp.noheader \
108 tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
109 ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
110 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
111 ${KERNEL_KO}.tramp.bin
112 ${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
113 echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" >opt_kernname.h
114 eval $$(stat -s ${KERNEL_KO}.tmp) && \
115 echo "#define KERNSIZE $$st_size" >>opt_kernname.h
116 gzip -f9 ${KERNEL_KO}.tmp
117 eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
118 echo "#define KERNCOMPSIZE $$st_size" >>opt_kernname.h
119 ${CC} -O2 -ffreestanding -DKZIP -I. -I$S -c $S/kern/inflate.c -o \
121 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
122 -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
123 $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.gz.tramp
124 ${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
125 ldscript.$M.tramp.noheader \
126 -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
127 $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
128 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
129 ${KERNEL_KO}.gz.tramp.bin
130 rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
131 inflate-tramp.o tmphack.S
134 MKMODULESENV+= MACHINE=${MACHINE}
148 CLEAN+= ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
150 CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
151 ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
152 ${KERNEL_KO}.gz.tramp.bin
154 ldscript.$M: $S/conf/ldscript.$M
155 cat $S/conf/ldscript.$M|sed s/KERNPHYSADDR/${KERNPHYSADDR}/g| \
156 sed s/KERNVIRTADDR/${KERNVIRTADDR}/g > ldscript.$M
159 .include "$S/conf/kern.post.mk"