1 # 1 #
>> 2 # m68k/Makefile
>> 3 #
2 # This file is included by the global makefile 4 # This file is included by the global makefile so that you can add your own
3 # architecture-specific flags and dependencies !! 5 # architecture-specific flags and dependencies. Remember to do have actions
>> 6 # for "archclean" and "archdep" for cleaning up and making dependencies for
>> 7 # this architecture
4 # 8 #
5 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{ !! 9 # This file is subject to the terms and conditions of the GNU General Public
6 # Licensed under the GPL !! 10 # License. See the file "COPYING" in the main directory of this archive
>> 11 # for more details.
>> 12 #
>> 13 # Copyright (C) 1994 by Hamish Macdonald
>> 14 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
7 # 15 #
8 16
9 # select defconfig based on actual architectur !! 17 KBUILD_DEFCONFIG := multi_defconfig
10 ifeq ($(SUBARCH),x86) <<
11 ifeq ($(shell uname -m),x86_64) <<
12 KBUILD_DEFCONFIG := x86_64_defconfig <<
13 else <<
14 KBUILD_DEFCONFIG := i386_defconfig <<
15 endif <<
16 else <<
17 KBUILD_DEFCONFIG := $(SUBARCH)_defconf <<
18 endif <<
19 <<
20 ARCH_DIR := arch/um <<
21 # We require bash because the vmlinux link and <<
22 # features. <<
23 SHELL := bash <<
24 <<
25 MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/in <<
26 <<
27 HEADER_ARCH := $(SUBARCH) <<
28 <<
29 ifneq ($(filter $(SUBARCH),x86 x86_64 i386),) <<
30 HEADER_ARCH := x86 <<
31 endif <<
32 18
33 ifdef CONFIG_64BIT !! 19 ifneq ($(SUBARCH),$(ARCH))
34 KBUILD_CFLAGS += -mcmodel=large !! 20 ifeq ($(CROSS_COMPILE),)
>> 21 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 23 endif
35 endif 24 endif
36 25
37 HOST_DIR := arch/$(HEADER_ARCH) <<
38 <<
39 include $(srctree)/$(ARCH_DIR)/Makefile-skas <<
40 include $(srctree)/$(HOST_DIR)/Makefile.um <<
41 <<
42 core-y += $(HOST_DIR)/um/ <<
43 <<
44 SHARED_HEADERS := $(ARCH_DIR)/include/shared <<
45 ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADE <<
46 ARCH_INCLUDE += -I$(srctree)/$(HOST_DIR)/um <<
47 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/um <<
48 <<
49 # -Dvmap=kernel_vmap prevents anything from re <<
50 # named - it's a common symbol in libpcap, so <<
51 # <<
52 # Same things for in6addr_loopback and mktime <<
53 # only get link-time error, luckily. <<
54 # 26 #
55 # -Dlongjmp=kernel_longjmp prevents anything f !! 27 # Enable processor type. Ordering of these is important - we want to
56 # embedded copy of longjmp, same thing for set !! 28 # use the minimum processor type of the range we support. The logic
>> 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 30 # 680x0 type is specified - and no option is specified for 68030 or
>> 31 # 68020. The other m68k/ColdFire types always specify some type of
>> 32 # compiler cpu type flag.
57 # 33 #
58 # These apply to USER_CFLAGS to. !! 34 ifndef CONFIG_M68040
59 !! 35 cpuflags-$(CONFIG_M68060) := -m68060
60 KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arc !! 36 endif
61 $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap !! 37 ifndef CONFIG_M68060
62 -Dlongjmp=kernel_longjmp -Dsetjmp=kern !! 38 cpuflags-$(CONFIG_M68040) := -m68040
63 -Din6addr_loopback=kernel_in6addr_loop !! 39 endif
64 -Din6addr_any=kernel_in6addr_any -Dstr !! 40 cpuflags-$(CONFIG_M68030) :=
>> 41 cpuflags-$(CONFIG_M68020) :=
>> 42 cpuflags-$(CONFIG_M68360) := -m68332
>> 43 cpuflags-$(CONFIG_M68000) := -m68000
>> 44 cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e)
>> 45 cpuflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200)
>> 46 cpuflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200)
>> 47 cpuflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307)
>> 48 cpuflags-$(CONFIG_M537x) := $(call cc-option,-mcpu=537x,-m5307)
>> 49 cpuflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200)
>> 50 cpuflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307)
>> 51 cpuflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307)
>> 52 cpuflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307)
>> 53 cpuflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307)
>> 54 cpuflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307)
>> 55 cpuflags-$(CONFIG_M525x) := $(call cc-option,-mcpu=5253,-m5200)
>> 56 cpuflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200)
>> 57 cpuflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200)
>> 58 cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200)
>> 59 cpuflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200)
>> 60
>> 61 KBUILD_AFLAGS += $(cpuflags-y)
>> 62 KBUILD_CFLAGS += $(cpuflags-y)
>> 63
>> 64 KBUILD_CFLAGS += -pipe -ffreestanding
>> 65
>> 66 ifdef CONFIG_MMU
>> 67 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 68 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
>> 69 else
>> 70 # we can use a m68k-linux-gcc toolchain with these in place
>> 71 KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 72 KBUILD_CFLAGS += -D__uClinux__
>> 73 KBUILD_AFLAGS += -D__uClinux__
>> 74 endif
65 75
66 KBUILD_RUSTFLAGS += -Crelocation-model=pie !! 76 LDFLAGS := -m m68kelf
>> 77 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
67 78
68 KBUILD_AFLAGS += $(ARCH_INCLUDE) !! 79 ifdef CONFIG_SUN3
>> 80 LDFLAGS_vmlinux = -N
>> 81 endif
69 82
70 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$( !! 83 CHECKFLAGS += -D__mc68000__
71 $(ARCH_INCLUDE) $(MODE_INCLUDE <<
72 -D_FILE_OFFSET_BITS=64 -idiraf <<
73 -idirafter $(objtree)/include <<
74 84
75 #This will adjust *FLAGS accordingly to the pl <<
76 include $(srctree)/$(ARCH_DIR)/Makefile-os-Lin <<
77 85
78 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/in !! 86 ifdef CONFIG_KGDB
79 -I$(srctree)/$(HOST_DIR)/in !! 87 # If configured for kgdb support, include debugging infos and keep the
80 -I$(objtree)/$(HOST_DIR)/in !! 88 # frame pointer
81 -I$(objtree)/$(HOST_DIR)/in !! 89 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 90 endif
82 91
83 # -Derrno=kernel_errno - This turns all kernel <<
84 # kernel_errno to separate them from the libc <<
85 # in KBUILD_CFLAGS. Otherwise, it would cause <<
86 # errnos. <<
87 # These apply to kernelspace only. <<
88 # 92 #
89 # strip leading and trailing whitespace to mak !! 93 # Select the assembler head startup code. Order is important. The default
90 # defines more robust !! 94 # head code is first, processor specific selections can override it after.
91 !! 95 #
92 KERNEL_DEFINES = $(strip -Derrno=kernel_errno !! 96 head-y := arch/m68k/kernel/head.o
93 -Dmktime=kernel_mktim !! 97 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
94 KBUILD_CFLAGS += $(KERNEL_DEFINES) !! 98 head-$(CONFIG_M68360) := arch/m68k/68360/head.o
95 !! 99 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
96 PHONY += linux !! 100 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
97 !! 101
98 all: linux !! 102 core-y += arch/m68k/kernel/ arch/m68k/mm/
99 !! 103 libs-y += arch/m68k/lib/
100 linux: vmlinux !! 104
101 @echo ' LINK $@' !! 105 core-$(CONFIG_Q40) += arch/m68k/q40/
102 $(Q)ln -f $< $@ !! 106 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
103 !! 107 core-$(CONFIG_ATARI) += arch/m68k/atari/
104 define archhelp !! 108 core-$(CONFIG_MAC) += arch/m68k/mac/
105 echo '* linux - Binary kernel image !! 109 core-$(CONFIG_HP300) += arch/m68k/hp300/
106 echo ' compatibility only, !! 110 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
107 echo ' real kernel binary, !! 111 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
108 echo ' find in the kernel !! 112 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
109 endef !! 113 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
110 !! 114 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
111 archheaders: !! 115 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
112 $(Q)$(MAKE) -f $(srctree)/Makefile ARC !! 116 core-$(CONFIG_NATFEAT) += arch/m68k/emu/
113 !! 117 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
114 archprepare: !! 118 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
115 $(Q)$(MAKE) $(build)=$(HOST_DIR)/um in !! 119 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
116 !! 120 core-$(CONFIG_M68360) += arch/m68k/68360/
117 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static !! 121 core-$(CONFIG_M68000) += arch/m68k/68000/
118 ifdef CONFIG_LD_SCRIPT_DYN !! 122 core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
119 LINK-$(call gcc-min-version, 60100)$(CONFIG_CC !! 123
>> 124
>> 125 all: zImage
>> 126
>> 127 lilo: vmlinux
>> 128 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 129 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 130 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 131 cp System.map $(INSTALL_PATH)/System.map
>> 132 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 133
>> 134 zImage compressed: vmlinux.gz
>> 135
>> 136 vmlinux.gz: vmlinux
>> 137
>> 138 ifndef CONFIG_KGDB
>> 139 cp vmlinux vmlinux.tmp
>> 140 $(STRIP) vmlinux.tmp
>> 141 gzip -9c vmlinux.tmp >vmlinux.gz
>> 142 rm vmlinux.tmp
>> 143 else
>> 144 gzip -9c vmlinux >vmlinux.gz
120 endif 145 endif
121 LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpa <<
122 <<
123 CFLAGS_NO_HARDENING := $(call cc-option, -fno- <<
124 -fno-stack-protector $(call cc-option, <<
125 146
126 # Options used by linker script !! 147 bzImage: vmlinux.bz2
127 export LDS_START := $(START) <<
128 export LDS_ELF_ARCH := $(ELF_ARCH) <<
129 export LDS_ELF_FORMAT := $(ELF_FORMAT) <<
130 148
131 # The wrappers will select whether using "mall !! 149 vmlinux.bz2: vmlinux
132 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free <<
133 150
134 # Avoid binutils 2.39+ warnings by marking the !! 151 ifndef CONFIG_KGDB
135 # ignorning warnings for the kallsyms sections !! 152 cp vmlinux vmlinux.tmp
136 LDFLAGS_EXECSTACK = -z noexecstack !! 153 $(STRIP) vmlinux.tmp
137 ifeq ($(CONFIG_LD_IS_BFD),y) !! 154 bzip2 -1c vmlinux.tmp >vmlinux.bz2
138 LDFLAGS_EXECSTACK += $(call ld-option,--no-war !! 155 rm vmlinux.tmp
>> 156 else
>> 157 bzip2 -1c vmlinux >vmlinux.bz2
139 endif 158 endif
140 159
141 LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFL <<
142 <<
143 # Used by link-vmlinux.sh which has special su <<
144 export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAP <<
145 <<
146 # When cleaning we don't include .config, so w <<
147 # TT or skas makefiles and don't clean skas_pt <<
148 CLEAN_FILES += linux x.i gmon.out <<
149 MRPROPER_FILES += $(HOST_DIR)/include/generate <<
150 <<
151 archclean: 160 archclean:
152 @find . \( -name '*.bb' -o -name '*.bb !! 161 rm -f vmlinux.gz vmlinux.bz2
153 -o -name '*.gcov' \) -type f - <<
154 162
155 export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_ !! 163 install:
>> 164 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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