1 # Makefile.mips
2 # $FreeBSD$
3 #
4 # Makefile for FreeBSD
5 #
6 # This makefile is constructed from a machine description:
7 # config machineid
8 # Most changes should be made in the machine description
9 # /sys/mips/conf/``machineid''
10 # after which you should do
11 # config machineid
12 # Generic makefile changes should be made in
13 # /sys/conf/Makefile.mips
14 # after which config should be rerun for all machines.
15 #
16
17 # Which version of config(8) is required.
18 %VERSREQ= 600012
19
20 STD8X16FONT?= iso
21
22 .if !defined(S)
23 .if exists(./@/.)
24 S= ./@
25 .else
26 S= ../../..
27 .endif
28 .endif
29 .include "$S/conf/kern.pre.mk"
30
31 INCLUDES+= -I$S/contrib/libfdt
32
33 LDSCRIPT_NAME?=ldscript.$M
34 SYSTEM_LD:= ${SYSTEM_LD:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}
35 SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}
36
37 KERNLOADADDR?=0x80001000
38 # This obscure value is defined by CFE for WR160N
39 # To be changed later
40 TRAMPLOADADDR?=0x807963c0
41
42 # We default to the MIPS32 ISA, if none specified in the
43 # kernel configuration file.
44 ARCH_FLAGS?=-march=mips32
45 EXTRA_FLAGS=-fno-pic -mno-abicalls -G0 -DKERNLOADADDR=${KERNLOADADDR}
46
47 HACK_EXTRA_FLAGS=-shared
48
49 # We add the -fno-pic flag to kernels because otherwise performance
50 # is extremely poor, as well as -mno-abicalls to force no ABI usage.
51 CFLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
52 HACK_EXTRA_FLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
53 TRAMP_ARCH_FLAGS?=$(ARCH_FLAGS)
54 TRAMP_EXTRA_FLAGS=${EXTRA_FLAGS} ${TRAMP_ARCH_FLAGS}
55 .if ${MACHINE_ARCH:Mmips64*} != ""
56 TRAMP_ELFSIZE=64
57 .else
58 TRAMP_ELFSIZE=32
59 .endif
60
61 ASM_CFLAGS+=${CFLAGS} -D_LOCORE -DLOCORE
62
63 .if !defined(WITHOUT_KERNEL_TRAMPOLINE)
64 KERNEL_EXTRA=trampoline
65 KERNEL_EXTRA_INSTALL=${KERNEL_KO}.tramp.bin
66 trampoline: ${KERNEL_KO}.tramp.bin
67 ${KERNEL_KO}.tramp.bin: ${KERNEL_KO} $S/$M/$M/elf_trampoline.c \
68 $S/$M/$M/inckern.S
69 ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
70 -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
71 sed -e s/${KERNLOADADDR}/${TRAMPLOADADDR}/ -e s/" + SIZEOF_HEADERS"// \
72 ${LDSCRIPT_NAME} > ${LDSCRIPT_NAME}.tramp.noheader
73 ${CC} -O -nostdlib -I. -I$S ${TRAMP_EXTRA_FLAGS} ${TRAMP_LDFLAGS} -Xlinker \
74 -T -Xlinker ${LDSCRIPT_NAME}.tramp.noheader \
75 -DKERNNAME="\"${KERNEL_KO}.tmp\"" -DELFSIZE=${TRAMP_ELFSIZE} \
76 $S/$M/$M/inckern.S $S/$M/$M/elf_trampoline.c \
77 -o ${KERNEL_KO}.tramp.elf
78 ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.elf \
79 ${KERNEL_KO}.tramp.bin
80 .endif
81
82 %BEFORE_DEPEND
83
84 %OBJS
85
86 %FILES.c
87
88 %FILES.s
89
90 %FILES.m
91
92 %CLEAN
93
94 CLEAN+= ${LDSCRIPT_NAME} ${LDSCRIPT_NAME}.tramp.noheader \
95 ${KERNEL_KO}.tramp.elf ${KERNEL_KO}.tramp.bin
96
97 ${LDSCRIPT_NAME}: $S/conf/${LDSCRIPT_NAME}
98 sed s/KERNLOADADDR/${KERNLOADADDR}/g $S/conf/${LDSCRIPT_NAME} \
99 > ${LDSCRIPT_NAME}
100 %RULES
101
102 .include "$S/conf/kern.post.mk"
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