xref: /freebsd/sys/conf/Makefile.arm (revision 6d732c66bca5da4d261577aad2c8ea84519b0bea)
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=	600004
21
22STD8X16FONT?=	iso
23
24.if !defined(S)
25.if exists(./@/.)
26S=	./@
27.else
28S=	../../..
29.endif
30.endif
31.include "$S/conf/kern.pre.mk"
32
33INCLUDES+= -I$S/contrib/libfdt
34
35SYSTEM_LD:= ${SYSTEM_LD:$S/conf/ldscript.$M=ldscript.$M}
36SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/ldscript.$M=ldscript.$M}
37
38.if !defined(DEBUG) && !defined(PROFLEVEL)
39STRIP_FLAGS = -S
40.endif
41
42CFLAGS.gcc += -mno-thumb-interwork
43
44.if empty(DDB_ENABLED)
45.if defined(WITHOUT_ARM_EABI)
46CFLAGS.gcc += -mno-apcs-frame
47.endif
48.elif !defined(WITHOUT_ARM_EABI)
49CFLAGS += -funwind-tables
50# clang requires us to tell it to emit assembly with unwind information
51CFLAGS.clang += -mllvm -arm-enable-ehabi
52.endif
53
54SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader ${LDFLAGS} \
55	  -warn-common -export-dynamic -dynamic-linker /red/herring -o \
56	   ${FULLKERNEL}.noheader -X ${SYSTEM_OBJS} vers.o
57SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
58		>ldscript.$M.noheader; \
59		${SYSTEM_LD_}; \
60		${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
61		${KERNEL_KO}.bin; \
62		rm ${FULLKERNEL}.noheader
63
64.if defined(MFS_IMAGE)
65SYSTEM_LD_TAIL += ;sh ${S}/tools/embed_mfs.sh ${KERNEL_KO}.bin ${MFS_IMAGE};
66.endif
67
68FILES_CPU_FUNC =	$S/$M/$M/cpufunc_asm_arm7tdmi.S \
69	$S/$M/$M/cpufunc_asm_arm8.S $S/$M/$M/cpufunc_asm_arm9.S \
70	$S/$M/$M/cpufunc_asm_sa1.S $S/$M/$M/cpufunc_asm_arm10.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
77KERNEL_EXTRA=trampoline
78KERNEL_EXTRA_INSTALL=kernel.gz.tramp
79trampoline: ${KERNEL_KO}.tramp
80${KERNEL_KO}.tramp: ${KERNEL_KO} $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c
81	echo "#define KERNNAME \"${KERNEL_KO}.tmp\"" >opt_kernname.h
82	sed s/${KERNVIRTADDR}/${KERNPHYSADDR}/ ldscript.$M > ldscript.$M.tramp
83	sed s/" + SIZEOF_HEADERS"// ldscript.$M.tramp > \
84	    ldscript.$M.tramp.noheader
85	echo "#include <machine/asm.h>" >tmphack.S
86	echo "ENTRY(_start)" >>tmphack.S
87	echo "bl _startC" >>tmphack.S
88	${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
89	    -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
90	eval $$(stat -s ${KERNEL_KO}.tmp) && \
91	    echo "#define KERNSIZE $$st_size" >>opt_kernname.h
92	${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
93	    tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
94	    ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp
95	${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
96	    ldscript.$M.tramp.noheader \
97	    tmphack.S $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
98	    ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
99	${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
100	    ${KERNEL_KO}.tramp.bin
101	${OBJCOPY} ${STRIP_FLAGS} ${KERNEL_KO}.tmp
102	echo "#define KERNNAME \"${KERNEL_KO}.tmp.gz\"" >opt_kernname.h
103	eval $$(stat -s ${KERNEL_KO}.tmp) && \
104	    echo "#define KERNSIZE $$st_size" >>opt_kernname.h
105	gzip -f9 ${KERNEL_KO}.tmp
106	eval $$(stat -s ${KERNEL_KO}.tmp.gz) && \
107	    echo "#define KERNCOMPSIZE $$st_size" >>opt_kernname.h
108	${CC} -O2 -ffreestanding -DKZIP -I. -I$S -c $S/kern/inflate.c -o \
109	    inflate-tramp.o
110	${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker ldscript.$M.tramp \
111	    -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
112	    $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.gz.tramp
113	${CC} -O -nostdlib -I. -I$S -Xlinker -T -Xlinker \
114	    ldscript.$M.tramp.noheader \
115	    -DKZIP tmphack.S $S/$M/$M/elf_trampoline.c inflate-tramp.o \
116	    $S/$M/$M/inckern.S ${FILES_CPU_FUNC} -o ${KERNEL_KO}.tramp.noheader
117	${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.noheader \
118	    ${KERNEL_KO}.gz.tramp.bin
119	rm ${KERNEL_KO}.tmp.gz ${KERNEL_KO}.tramp.noheader opt_kernname.h \
120	    inflate-tramp.o tmphack.S
121
122MKMODULESENV+=	MACHINE=${MACHINE}
123
124%BEFORE_DEPEND
125
126%OBJS
127
128%FILES.c
129
130%FILES.s
131
132%FILES.m
133
134%CLEAN
135
136CLEAN+=	ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
137
138CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
139	ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
140	${KERNEL_KO}.gz.tramp.bin
141
142ldscript.$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"
148