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.
4 # 6 #
5 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{ !! 7 # This file is subject to the terms and conditions of the GNU General Public
6 # Licensed under the GPL !! 8 # License. See the file "COPYING" in the main directory of this archive
>> 9 # for more details.
>> 10 #
>> 11 # Copyright (C) 1994 by Hamish Macdonald
>> 12 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
7 # 13 #
8 14
9 # select defconfig based on actual architectur !! 15 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 := $(SUBARCH) <<
28 16
29 ifneq ($(filter $(SUBARCH),x86 x86_64 i386),) !! 17 ifdef cross_compiling
30 HEADER_ARCH := x86 !! 18 ifeq ($(CROSS_COMPILE),)
>> 19 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 21 endif
31 endif 22 endif
32 23
33 ifdef CONFIG_64BIT !! 24 #
34 KBUILD_CFLAGS += -mcmodel=large !! 25 # Enable processor type. Ordering of these is important - we want to
>> 26 # use the minimum processor type of the range we support. The logic
>> 27 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 28 # 680x0 type is specified - and no option is specified for 68030 or
>> 29 # 68020. The other m68k/ColdFire types always specify some type of
>> 30 # compiler cpu type flag.
>> 31 #
>> 32 ifndef CONFIG_M68040
>> 33 cpuflags-$(CONFIG_M68060) = -m68060
35 endif 34 endif
>> 35 ifndef CONFIG_M68060
>> 36 cpuflags-$(CONFIG_M68040) = -m68040
>> 37 endif
>> 38 cpuflags-$(CONFIG_M68030) =
>> 39 cpuflags-$(CONFIG_M68020) =
>> 40 cpuflags-$(CONFIG_M68000) = -m68000
>> 41 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
>> 42 cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
>> 43 cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
>> 44 cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
>> 45 cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
>> 46 cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
>> 47 cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
>> 48 cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
>> 49 cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
>> 50 cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
>> 51 cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
>> 52 cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
>> 53 cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
>> 54 cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
>> 55 cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
>> 56 cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
>> 57
>> 58 # Evaluate tune cc-option calls now
>> 59 cpuflags-y := $(cpuflags-y)
36 60
37 HOST_DIR := arch/$(HEADER_ARCH) !! 61 KBUILD_AFLAGS += $(cpuflags-y)
38 !! 62 KBUILD_CFLAGS += $(cpuflags-y)
39 include $(srctree)/$(ARCH_DIR)/Makefile-skas <<
40 include $(srctree)/$(HOST_DIR)/Makefile.um <<
41 <<
42 core-y += $(HOST_DIR)/um/ <<
43 63
44 SHARED_HEADERS := $(ARCH_DIR)/include/shared !! 64 KBUILD_CFLAGS += -pipe -ffreestanding
45 ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADE <<
46 ARCH_INCLUDE += -I$(srctree)/$(HOST_DIR)/um <<
47 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/um <<
48 65
49 # -Dvmap=kernel_vmap prevents anything from re !! 66 ifdef CONFIG_MMU
50 # named - it's a common symbol in libpcap, so !! 67 KBUILD_CFLAGS += -ffixed-a2
51 # !! 68 else
52 # Same things for in6addr_loopback and mktime !! 69 # we can use a m68k-linux-gcc toolchain with these in place
53 # only get link-time error, luckily. !! 70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
54 # !! 71 KBUILD_CPPFLAGS += -D__uClinux__
55 # -Dlongjmp=kernel_longjmp prevents anything f !! 72 endif
56 # embedded copy of longjmp, same thing for set <<
57 # <<
58 # These apply to USER_CFLAGS to. <<
59 <<
60 KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arc <<
61 $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap <<
62 -Dlongjmp=kernel_longjmp -Dsetjmp=kern <<
63 -Din6addr_loopback=kernel_in6addr_loop <<
64 -Din6addr_any=kernel_in6addr_any -Dstr <<
65 73
66 KBUILD_RUSTFLAGS += -Crelocation-model=pie !! 74 KBUILD_LDFLAGS := -m m68kelf
67 75
68 KBUILD_AFLAGS += $(ARCH_INCLUDE) !! 76 ifdef CONFIG_SUN3
>> 77 LDFLAGS_vmlinux = -N
>> 78 endif
69 79
70 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$( !! 80 CHECKFLAGS += -D__mc68000__
71 $(ARCH_INCLUDE) $(MODE_INCLUDE <<
72 -D_FILE_OFFSET_BITS=64 -idiraf <<
73 -idirafter $(objtree)/include <<
74 81
75 #This will adjust *FLAGS accordingly to the pl <<
76 include $(srctree)/$(ARCH_DIR)/Makefile-os-Lin <<
77 82
78 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/in !! 83 ifdef CONFIG_KGDB
79 -I$(srctree)/$(HOST_DIR)/in !! 84 # If configured for kgdb support, include debugging infos and keep the
80 -I$(objtree)/$(HOST_DIR)/in !! 85 # frame pointer
81 -I$(objtree)/$(HOST_DIR)/in !! 86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 87 endif
82 88
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 # 89 #
89 # strip leading and trailing whitespace to mak !! 90 # Select the assembler head startup code. Order is important. The default
90 # defines more robust !! 91 # head code is first, processor specific selections can override it after.
91 !! 92 #
92 KERNEL_DEFINES = $(strip -Derrno=kernel_errno !! 93 head-y := arch/m68k/kernel/head.o
93 -Dmktime=kernel_mktim !! 94 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
94 KBUILD_CFLAGS += $(KERNEL_DEFINES) !! 95 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 96 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
95 97
96 PHONY += linux !! 98 libs-y += arch/m68k/lib/
97 99
98 all: linux <<
99 100
100 linux: vmlinux !! 101 all: zImage
101 @echo ' LINK $@' <<
102 $(Q)ln -f $< $@ <<
103 102
104 define archhelp !! 103 lilo: vmlinux
105 echo '* linux - Binary kernel image !! 104 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
106 echo ' compatibility only, !! 105 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
107 echo ' real kernel binary, !! 106 cat vmlinux > $(INSTALL_PATH)/vmlinux
108 echo ' find in the kernel !! 107 cp System.map $(INSTALL_PATH)/System.map
109 endef !! 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
110 109
111 archheaders: !! 110 zImage compressed: vmlinux.gz
112 $(Q)$(MAKE) -f $(srctree)/Makefile ARC <<
113 111
114 archprepare: !! 112 vmlinux.gz: vmlinux
115 $(Q)$(MAKE) $(build)=$(HOST_DIR)/um in <<
116 113
117 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static !! 114 ifndef CONFIG_KGDB
118 ifdef CONFIG_LD_SCRIPT_DYN !! 115 cp vmlinux vmlinux.tmp
119 LINK-$(call gcc-min-version, 60100)$(CONFIG_CC !! 116 $(STRIP) vmlinux.tmp
>> 117 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
>> 118 rm vmlinux.tmp
>> 119 else
>> 120 $(KGZIP) -9c vmlinux >vmlinux.gz
120 endif 121 endif
121 LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpa <<
122 122
123 CFLAGS_NO_HARDENING := $(call cc-option, -fno- !! 123 bzImage: vmlinux.bz2
124 -fno-stack-protector $(call cc-option, <<
125 124
126 # Options used by linker script !! 125 vmlinux.bz2: vmlinux
127 export LDS_START := $(START) <<
128 export LDS_ELF_ARCH := $(ELF_ARCH) <<
129 export LDS_ELF_FORMAT := $(ELF_FORMAT) <<
130 126
131 # The wrappers will select whether using "mall !! 127 ifndef CONFIG_KGDB
132 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free !! 128 cp vmlinux vmlinux.tmp
133 !! 129 $(STRIP) vmlinux.tmp
134 # Avoid binutils 2.39+ warnings by marking the !! 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
135 # ignorning warnings for the kallsyms sections !! 131 rm vmlinux.tmp
136 LDFLAGS_EXECSTACK = -z noexecstack !! 132 else
137 ifeq ($(CONFIG_LD_IS_BFD),y) !! 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2
138 LDFLAGS_EXECSTACK += $(call ld-option,--no-war <<
139 endif 134 endif
140 135
141 LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFL !! 136 CLEAN_FILES += vmlinux.gz vmlinux.bz2
142 137
143 # Used by link-vmlinux.sh which has special su !! 138 archheaders:
144 export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAP !! 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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: <<
152 @find . \( -name '*.bb' -o -name '*.bb <<
153 -o -name '*.gcov' \) -type f - <<
154 140
155 export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_ !! 141 install: KBUILD_IMAGE := vmlinux.gz
>> 142 install:
>> 143 $(call cmd,install)
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