1 # 1 #
2 # This file is included by the global makefile !! 2 # m68k/Makefile
3 # architecture-specific flags and dependencies <<
4 # <<
5 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{ <<
6 # Licensed under the GPL <<
7 # 3 #
>> 4 # This file is included by the global makefile so that you can add your own
>> 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
>> 8 #
>> 9 # This file is subject to the terms and conditions of the GNU General Public
>> 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 #
>> 15
>> 16 KBUILD_DEFCONFIG := multi_defconfig
>> 17
>> 18 # override top level makefile
>> 19 AS += -m68020
>> 20 LDFLAGS := -m m68kelf
>> 21 LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
>> 22 ifneq ($(SUBARCH),$(ARCH))
>> 23 ifeq ($(CROSS_COMPILE),)
>> 24 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 25 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 26 endif
>> 27 endif
8 28
9 # select defconfig based on actual architectur !! 29 ifdef CONFIG_SUN3
10 ifeq ($(SUBARCH),x86) !! 30 LDFLAGS_vmlinux = -N
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 := $(SUBARCH)_defconf <<
18 endif 31 endif
19 32
20 ARCH_DIR := arch/um !! 33 CHECKFLAGS += -D__mc68000__
21 # We require bash because the vmlinux link and <<
22 # features. <<
23 SHELL := bash <<
24 34
25 MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/in !! 35 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 36 KBUILD_CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
26 37
27 HEADER_ARCH := $(SUBARCH) !! 38 # enable processor switch if compiled only for a single cpu
>> 39 ifndef CONFIG_M68020
>> 40 ifndef CONFIG_M68030
28 41
29 ifneq ($(filter $(SUBARCH),x86 x86_64 i386),) !! 42 ifndef CONFIG_M68060
30 HEADER_ARCH := x86 !! 43 KBUILD_CFLAGS += -m68040
31 endif 44 endif
32 45
33 ifdef CONFIG_64BIT !! 46 ifndef CONFIG_M68040
34 KBUILD_CFLAGS += -mcmodel=large !! 47 KBUILD_CFLAGS += -m68060
35 endif 48 endif
36 49
37 HOST_DIR := arch/$(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 # <<
55 # -Dlongjmp=kernel_longjmp prevents anything f <<
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 <<
66 KBUILD_RUSTFLAGS += -Crelocation-model=pie <<
67 <<
68 KBUILD_AFLAGS += $(ARCH_INCLUDE) <<
69 <<
70 USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$( <<
71 $(ARCH_INCLUDE) $(MODE_INCLUDE <<
72 -D_FILE_OFFSET_BITS=64 -idiraf <<
73 -idirafter $(objtree)/include <<
74 <<
75 #This will adjust *FLAGS accordingly to the pl <<
76 include $(srctree)/$(ARCH_DIR)/Makefile-os-Lin <<
77 <<
78 KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/in <<
79 -I$(srctree)/$(HOST_DIR)/in <<
80 -I$(objtree)/$(HOST_DIR)/in <<
81 -I$(objtree)/$(HOST_DIR)/in <<
82 <<
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 # strip leading and trailing whitespace to mak <<
90 # defines more robust <<
91 <<
92 KERNEL_DEFINES = $(strip -Derrno=kernel_errno <<
93 -Dmktime=kernel_mktim <<
94 KBUILD_CFLAGS += $(KERNEL_DEFINES) <<
95 <<
96 PHONY += linux <<
97 <<
98 all: linux <<
99 <<
100 linux: vmlinux <<
101 @echo ' LINK $@' <<
102 $(Q)ln -f $< $@ <<
103 <<
104 define archhelp <<
105 echo '* linux - Binary kernel image <<
106 echo ' compatibility only, <<
107 echo ' real kernel binary, <<
108 echo ' find in the kernel <<
109 endef <<
110 <<
111 archheaders: <<
112 $(Q)$(MAKE) -f $(srctree)/Makefile ARC <<
113 <<
114 archprepare: <<
115 $(Q)$(MAKE) $(build)=$(HOST_DIR)/um in <<
116 <<
117 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static <<
118 ifdef CONFIG_LD_SCRIPT_DYN <<
119 LINK-$(call gcc-min-version, 60100)$(CONFIG_CC <<
120 endif 50 endif
121 LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpa !! 51 endif
122 52
123 CFLAGS_NO_HARDENING := $(call cc-option, -fno- !! 53 ifdef CONFIG_KGDB
124 -fno-stack-protector $(call cc-option, !! 54 # If configured for kgdb support, include debugging infos and keep the
>> 55 # frame pointer
>> 56 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 57 endif
125 58
126 # Options used by linker script !! 59 ifndef CONFIG_SUN3
127 export LDS_START := $(START) !! 60 head-y := arch/m68k/kernel/head.o
128 export LDS_ELF_ARCH := $(ELF_ARCH) !! 61 else
129 export LDS_ELF_FORMAT := $(ELF_FORMAT) !! 62 head-y := arch/m68k/kernel/sun3-head.o
>> 63 endif
130 64
131 # The wrappers will select whether using "mall !! 65 core-y += arch/m68k/kernel/ arch/m68k/mm/
132 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free !! 66 libs-y += arch/m68k/lib/
133 67
134 # Avoid binutils 2.39+ warnings by marking the !! 68 core-$(CONFIG_Q40) += arch/m68k/q40/
135 # ignorning warnings for the kallsyms sections !! 69 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
136 LDFLAGS_EXECSTACK = -z noexecstack !! 70 core-$(CONFIG_ATARI) += arch/m68k/atari/
137 ifeq ($(CONFIG_LD_IS_BFD),y) !! 71 core-$(CONFIG_MAC) += arch/m68k/mac/
138 LDFLAGS_EXECSTACK += $(call ld-option,--no-war !! 72 core-$(CONFIG_HP300) += arch/m68k/hp300/
>> 73 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
>> 74 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
>> 75 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
>> 76 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
>> 77 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
>> 78 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
>> 79 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
>> 80 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
>> 81 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
>> 82
>> 83 all: zImage
>> 84
>> 85 lilo: vmlinux
>> 86 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 87 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 88 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 89 cp System.map $(INSTALL_PATH)/System.map
>> 90 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 91
>> 92 zImage compressed: vmlinux.gz
>> 93
>> 94 vmlinux.gz: vmlinux
>> 95
>> 96 ifndef CONFIG_KGDB
>> 97 cp vmlinux vmlinux.tmp
>> 98 $(STRIP) vmlinux.tmp
>> 99 gzip -9c vmlinux.tmp >vmlinux.gz
>> 100 rm vmlinux.tmp
>> 101 else
>> 102 gzip -9c vmlinux >vmlinux.gz
139 endif 103 endif
140 104
141 LD_FLAGS_CMDLINE = $(foreach opt,$(KBUILD_LDFL !! 105 bzImage: vmlinux.bz2
142 106
143 # Used by link-vmlinux.sh which has special su !! 107 vmlinux.bz2: vmlinux
144 export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAP <<
145 108
146 # When cleaning we don't include .config, so w !! 109 ifndef CONFIG_KGDB
147 # TT or skas makefiles and don't clean skas_pt !! 110 cp vmlinux vmlinux.tmp
148 CLEAN_FILES += linux x.i gmon.out !! 111 $(STRIP) vmlinux.tmp
149 MRPROPER_FILES += $(HOST_DIR)/include/generate !! 112 bzip2 -1c vmlinux.tmp >vmlinux.bz2
>> 113 rm vmlinux.tmp
>> 114 else
>> 115 bzip2 -1c vmlinux >vmlinux.bz2
>> 116 endif
150 117
151 archclean: 118 archclean:
152 @find . \( -name '*.bb' -o -name '*.bb !! 119 rm -f vmlinux.gz vmlinux.bz2
153 -o -name '*.gcov' \) -type f - <<
154 120
155 export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_ !! 121 install:
>> 122 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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