xref: /freebsd/sys/conf/Makefile.arm (revision cddbc3b40812213ff00041f79174cac0be360a2a)
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
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 -I$S/gnu/dts/include
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
42# We don't support gcc's thump interwork stuff, so disable it
43CFLAGS.gcc += -mno-thumb-interwork
44
45# We generally don't want fpu instructions in the kernel.
46CFLAGS.clang += -mfpu=none
47
48.if !empty(DDB_ENABLED)
49CFLAGS += -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
52CFLAGS += -mllvm -arm-enable-ehabi
53.endif
54.endif
55
56# "makeoptions KERNVIRTADDR=" is now optional, supply the default value.
57.if empty(KERNVIRTADDR)
58KERNVIRTADDR= 0xc0000000
59.endif
60
61# hack because genassym.c includes sys/bus.h which includes these.
62genassym.o: bus_if.h device_if.h
63
64SYSTEM_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 ${SYSTEM_OBJS} vers.o
68SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\
69		>ldscript.$M.noheader; \
70		${SYSTEM_LD_}; \
71		${OBJCOPY} -S -O binary ${FULLKERNEL}.noheader \
72		${KERNEL_KO}.bin; \
73		rm ${FULLKERNEL}.noheader
74
75FILES_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)
80KERNEL_EXTRA=trampoline
81KERNEL_EXTRA_INSTALL=kernel.gz.tramp
82trampoline: ${KERNEL_KO}.tramp
83${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 ${KERNEL_KO}.tramp.noheader opt_kernname.h \
145	    inflate-tramp.o tmphack.S
146.endif
147
148%BEFORE_DEPEND
149
150%OBJS
151
152%FILES.c
153
154%FILES.s
155
156%FILES.m
157
158%CLEAN
159
160CLEAN+=	ldscript.$M ${KERNEL_KO}.bin ldscript.$M.noheader
161
162CLEAN+= ${KERNEL_KO}.tramp ${KERNEL_KO}.tramp.bin ldscript.$M.tramp \
163	ldscript.$M.tramp.noheader ${KERNEL_KO}.gz.tramp \
164	${KERNEL_KO}.gz.tramp.bin
165
166ldscript.$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"
172