1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # m68k/Makefile
>> 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 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
>> 15 #
>> 16
>> 17 KBUILD_DEFCONFIG := multi_defconfig
>> 18
>> 19 ifneq ($(SUBARCH),$(ARCH))
>> 20 ifeq ($(CROSS_COMPILE),)
>> 21 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 23 endif
>> 24 endif
>> 25
>> 26 #
>> 27 # Enable processor type. Ordering of these is important - we want to
>> 28 # use the minimum processor type of the range we support. The logic
>> 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 30 # 680x0 type is specified - and no option is specified for 68030 or
>> 31 # 68020. The other m68k/ColdFire types always specify some type of
>> 32 # compiler cpu type flag.
>> 33 #
>> 34 ifndef CONFIG_M68040
>> 35 cpuflags-$(CONFIG_M68060) := -m68060
>> 36 endif
>> 37 ifndef CONFIG_M68060
>> 38 cpuflags-$(CONFIG_M68040) := -m68040
>> 39 endif
>> 40 cpuflags-$(CONFIG_M68030) :=
>> 41 cpuflags-$(CONFIG_M68020) :=
>> 42 cpuflags-$(CONFIG_M68000) := -m68000
>> 43 cpuflags-$(CONFIG_M5441x) := $(call cc-option,-mcpu=54455,-mcfv4e)
>> 44 cpuflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200)
>> 45 cpuflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200)
>> 46 cpuflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307)
>> 47 cpuflags-$(CONFIG_M537x) := $(call cc-option,-mcpu=537x,-m5307)
>> 48 cpuflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200)
>> 49 cpuflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307)
>> 50 cpuflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307)
>> 51 cpuflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307)
>> 52 cpuflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307)
>> 53 cpuflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307)
>> 54 cpuflags-$(CONFIG_M525x) := $(call cc-option,-mcpu=5253,-m5200)
>> 55 cpuflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200)
>> 56 cpuflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200)
>> 57 cpuflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200)
>> 58 cpuflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200)
>> 59
>> 60 KBUILD_AFLAGS += $(cpuflags-y)
>> 61 KBUILD_CFLAGS += $(cpuflags-y)
>> 62
>> 63 KBUILD_CFLAGS += -pipe -ffreestanding
>> 64
>> 65 ifdef CONFIG_MMU
>> 66 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 67 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
>> 68 else
>> 69 # we can use a m68k-linux-gcc toolchain with these in place
>> 70 KBUILD_CFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 71 KBUILD_CFLAGS += -D__uClinux__
>> 72 KBUILD_AFLAGS += -D__uClinux__
>> 73 endif
>> 74
>> 75 LDFLAGS := -m m68kelf
>> 76 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
>> 77
>> 78 ifdef CONFIG_SUN3
>> 79 LDFLAGS_vmlinux = -N
>> 80 endif
>> 81
>> 82 CHECKFLAGS += -D__mc68000__
3 83
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" <<
5 84
6 # What CPU version are we building for, and cr !! 85 ifdef CONFIG_KGDB
7 # as major.minor.rev !! 86 # If configured for kgdb support, include debugging infos and keep the
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 87 # frame pointer
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) !! 88 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) !! 89 endif
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) !! 90
12 !! 91 #
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV !! 92 # Select the assembler head startup code. Order is important. The default
14 !! 93 # head code is first, processor specific selections can override it after.
15 # Use cpu-related CONFIG_ vars to set compile !! 94 #
16 # The various CONFIG_XILINX cpu features optio !! 95 head-y := arch/m68k/kernel/head.o
17 # rather than bools y/n !! 96 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
18 !! 97 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
19 # Work out HW multipler support. This is trick !! 98 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
20 # 1. Spartan2 has no HW multipliers. !! 99
21 # 2. MicroBlaze v3.x always uses them, except !! 100 core-y += arch/m68k/kernel/ arch/m68k/mm/
22 # 3. All other FPGa/CPU ver combos, we can tru !! 101 libs-y += arch/m68k/lib/
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M !! 102
24 ifeq ($(CPU_MAJOR),3) !! 103 core-$(CONFIG_Q40) += arch/m68k/q40/
25 CPUFLAGS-1 += -mno-xl-soft-mul !! 104 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
26 else !! 105 core-$(CONFIG_ATARI) += arch/m68k/atari/
27 # USE_HW_MUL can be 0, 1, or 2, defining a !! 106 core-$(CONFIG_MAC) += arch/m68k/mac/
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB !! 107 core-$(CONFIG_HP300) += arch/m68k/hp300/
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H !! 108 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
30 endif !! 109 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
31 endif !! 110 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) !! 111 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE !! 112 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ !! 113 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
35 !! 114 core-$(CONFIG_NATFEAT) += arch/m68k/emu/
36 ifdef CONFIG_CPU_BIG_ENDIAN !! 115 core-$(CONFIG_M68040) += arch/m68k/fpsp040/
37 KBUILD_CFLAGS += -mbig-endian !! 116 core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
38 KBUILD_AFLAGS += -mbig-endian !! 117 core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
39 KBUILD_LDFLAGS += -EB !! 118 core-$(CONFIG_M68000) += arch/m68k/68000/
>> 119 core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
>> 120
>> 121
>> 122 all: zImage
>> 123
>> 124 lilo: vmlinux
>> 125 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 126 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 127 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 128 cp System.map $(INSTALL_PATH)/System.map
>> 129 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 130
>> 131 zImage compressed: vmlinux.gz
>> 132
>> 133 vmlinux.gz: vmlinux
>> 134
>> 135 ifndef CONFIG_KGDB
>> 136 cp vmlinux vmlinux.tmp
>> 137 $(STRIP) vmlinux.tmp
>> 138 gzip -9c vmlinux.tmp >vmlinux.gz
>> 139 rm vmlinux.tmp
40 else 140 else
41 KBUILD_CFLAGS += -mlittle-endian !! 141 gzip -9c vmlinux >vmlinux.gz
42 KBUILD_AFLAGS += -mlittle-endian !! 142 endif
43 KBUILD_LDFLAGS += -EL !! 143
44 endif !! 144 bzImage: vmlinux.bz2
45 !! 145
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 146 vmlinux.bz2: vmlinux
47 !! 147
48 # r31 holds current when in kernel mode !! 148 ifndef CONFIG_KGDB
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C !! 149 cp vmlinux vmlinux.tmp
50 !! 150 $(STRIP) vmlinux.tmp
51 libs-y += arch/microblaze/lib/ !! 151 bzip2 -1c vmlinux.tmp >vmlinux.bz2
52 !! 152 rm vmlinux.tmp
53 boot := arch/microblaze/boot !! 153 else
54 !! 154 bzip2 -1c vmlinux >vmlinux.bz2
55 # Are we making a simpleImage.<boardname> targ !! 155 endif
56 DTB:=$(subst simpleImage.,,$(filter simpleImag !! 156
57 !! 157 archclean:
58 export DTB !! 158 rm -f vmlinux.gz vmlinux.bz2
59 <<
60 all: linux.bin <<
61 <<
62 archheaders: <<
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 <<
65 PHONY += linux.bin linux.bin.gz linux.bin.ub <<
66 linux.bin.ub linux.bin.gz: linux.bin <<
67 linux.bin: vmlinux <<
68 linux.bin linux.bin.gz linux.bin.ub: <<
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
70 @echo 'Kernel: $(boot)/$@ is ready' ' <<
71 <<
72 PHONY += simpleImage.$(DTB) <<
73 simpleImage.$(DTB): vmlinux <<
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref <<
75 @echo 'Kernel: $(boot)/$@ is ready' ' <<
76 <<
77 define archhelp <<
78 echo '* linux.bin - Create raw binary' <<
79 echo ' linux.bin.gz - Create compressed raw <<
80 echo ' linux.bin.ub - Create U-Boot wrapped <<
81 echo ' simpleImage.<dt> - Create the follow <<
82 echo ' simpleImage.<dt> <<
83 echo ' simpleImage.<dt>.u <<
84 echo ' simpleImage.<dt>.u <<
85 echo ' simpleImage.<dt>.s <<
86 echo ' Targets with <dt> embed a device tre <<
87 echo ' These targets support board with fir <<
88 echo ' support passing a device tree direct <<
89 echo ' name of a dts file from the arch/mic <<
90 echo ' (minus the .dts extension).' <<
91 endef <<
92 159
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 160 install:
>> 161 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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