1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 KBUILD_DEFCONFIG := mmu_defconfig !! 2 # m68k/Makefile
3 !! 3 #
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 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
5 25
6 # What CPU version are we building for, and cr !! 26 #
7 # as major.minor.rev !! 27 # Enable processor type. Ordering of these is important - we want to
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 28 # use the minimum processor type of the range we support. The logic
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) !! 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) !! 30 # 680x0 type is specified - and no option is specified for 68030 or
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) !! 31 # 68020. The other m68k/ColdFire types always specify some type of
12 !! 32 # compiler cpu type flag.
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV !! 33 #
14 !! 34 ifndef CONFIG_M68040
15 # Use cpu-related CONFIG_ vars to set compile !! 35 cpuflags-$(CONFIG_M68060) = -m68060
16 # The various CONFIG_XILINX cpu features optio !! 36 endif
17 # rather than bools y/n !! 37 ifndef CONFIG_M68060
18 !! 38 cpuflags-$(CONFIG_M68040) = -m68040
19 # Work out HW multipler support. This is trick !! 39 endif
20 # 1. Spartan2 has no HW multipliers. !! 40 cpuflags-$(CONFIG_M68030) =
21 # 2. MicroBlaze v3.x always uses them, except !! 41 cpuflags-$(CONFIG_M68020) =
22 # 3. All other FPGa/CPU ver combos, we can tru !! 42 cpuflags-$(CONFIG_M68000) = -m68000
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M !! 43 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
24 ifeq ($(CPU_MAJOR),3) !! 44 cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
25 CPUFLAGS-1 += -mno-xl-soft-mul !! 45 cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
26 else !! 46 cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
27 # USE_HW_MUL can be 0, 1, or 2, defining a !! 47 cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB !! 48 cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H !! 49 cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
30 endif !! 50 cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
31 endif !! 51 cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) !! 52 cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE !! 53 cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ !! 54 cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
35 !! 55 cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
36 ifdef CONFIG_CPU_BIG_ENDIAN !! 56 cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
37 KBUILD_CFLAGS += -mbig-endian !! 57 cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
38 KBUILD_AFLAGS += -mbig-endian !! 58 cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
39 KBUILD_LDFLAGS += -EB !! 59
>> 60 # Evaluate tune cc-option calls now
>> 61 cpuflags-y := $(cpuflags-y)
>> 62
>> 63 KBUILD_AFLAGS += $(cpuflags-y)
>> 64 KBUILD_CFLAGS += $(cpuflags-y)
>> 65
>> 66 KBUILD_CFLAGS += -pipe -ffreestanding
>> 67
>> 68 ifdef CONFIG_MMU
>> 69 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 70 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
40 else 71 else
41 KBUILD_CFLAGS += -mlittle-endian !! 72 # we can use a m68k-linux-gcc toolchain with these in place
42 KBUILD_AFLAGS += -mlittle-endian !! 73 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
43 KBUILD_LDFLAGS += -EL !! 74 KBUILD_CPPFLAGS += -D__uClinux__
>> 75 endif
>> 76
>> 77 KBUILD_LDFLAGS := -m m68kelf
>> 78 KBUILD_LDS_MODULE += $(srctree)/arch/m68k/kernel/module.lds
>> 79
>> 80 ifdef CONFIG_SUN3
>> 81 LDFLAGS_vmlinux = -N
44 endif 82 endif
45 83
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 84 CHECKFLAGS += -D__mc68000__
47 85
48 # r31 holds current when in kernel mode <<
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C <<
50 86
51 libs-y += arch/microblaze/lib/ !! 87 ifdef CONFIG_KGDB
>> 88 # If configured for kgdb support, include debugging infos and keep the
>> 89 # frame pointer
>> 90 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 91 endif
52 92
53 boot := arch/microblaze/boot !! 93 #
>> 94 # Select the assembler head startup code. Order is important. The default
>> 95 # head code is first, processor specific selections can override it after.
>> 96 #
>> 97 head-y := arch/m68k/kernel/head.o
>> 98 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
>> 99 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 100 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
>> 101
>> 102 core-y += arch/m68k/
>> 103 libs-y += arch/m68k/lib/
>> 104
>> 105
>> 106 all: zImage
>> 107
>> 108 lilo: vmlinux
>> 109 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 110 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 111 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 112 cp System.map $(INSTALL_PATH)/System.map
>> 113 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 114
>> 115 zImage compressed: vmlinux.gz
>> 116
>> 117 vmlinux.gz: vmlinux
>> 118
>> 119 ifndef CONFIG_KGDB
>> 120 cp vmlinux vmlinux.tmp
>> 121 $(STRIP) vmlinux.tmp
>> 122 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
>> 123 rm vmlinux.tmp
>> 124 else
>> 125 $(KGZIP) -9c vmlinux >vmlinux.gz
>> 126 endif
54 127
55 # Are we making a simpleImage.<boardname> targ !! 128 bzImage: vmlinux.bz2
56 DTB:=$(subst simpleImage.,,$(filter simpleImag <<
57 129
58 export DTB !! 130 vmlinux.bz2: vmlinux
59 131
60 all: linux.bin !! 132 ifndef CONFIG_KGDB
>> 133 cp vmlinux vmlinux.tmp
>> 134 $(STRIP) vmlinux.tmp
>> 135 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 136 rm vmlinux.tmp
>> 137 else
>> 138 $(KBZIP2) -1c vmlinux >vmlinux.bz2
>> 139 endif
61 140
62 archheaders: !! 141 CLEAN_FILES += vmlinux.gz vmlinux.bz2
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 142
65 PHONY += linux.bin linux.bin.gz linux.bin.ub !! 143 archheaders:
66 linux.bin.ub linux.bin.gz: linux.bin !! 144 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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 <<
92 145
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 146 install:
>> 147 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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