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.
>> 6 #
>> 7 # This file is subject to the terms and conditions of the GNU General Public
>> 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>
>> 13 #
>> 14
>> 15 KBUILD_DEFCONFIG := multi_defconfig
>> 16
>> 17 ifdef cross_compiling
>> 18 ifeq ($(CROSS_COMPILE),)
>> 19 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 21 endif
>> 22 endif
>> 23
>> 24 #
>> 25 # Enable processor type. Ordering of these is important - we want to
>> 26 # use the minimum processor type of the range we support. The logic
>> 27 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
>> 28 # 680x0 type is specified - and no option is specified for 68030 or
>> 29 # 68020. The other m68k/ColdFire types always specify some type of
>> 30 # compiler cpu type flag.
>> 31 #
>> 32 ifndef CONFIG_M68040
>> 33 cpuflags-$(CONFIG_M68060) = -m68060
>> 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)
3 60
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 61 KBUILD_AFLAGS += $(cpuflags-y)
>> 62 KBUILD_CFLAGS += $(cpuflags-y)
5 63
6 # What CPU version are we building for, and cr !! 64 KBUILD_CFLAGS += -pipe -ffreestanding
7 # as major.minor.rev !! 65
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 66 ifdef CONFIG_MMU
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) !! 67 KBUILD_CFLAGS += -ffixed-a2
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) <<
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) <<
12 <<
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV <<
14 <<
15 # Use cpu-related CONFIG_ vars to set compile <<
16 # The various CONFIG_XILINX cpu features optio <<
17 # rather than bools y/n <<
18 <<
19 # Work out HW multipler support. This is trick <<
20 # 1. Spartan2 has no HW multipliers. <<
21 # 2. MicroBlaze v3.x always uses them, except <<
22 # 3. All other FPGa/CPU ver combos, we can tru <<
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M <<
24 ifeq ($(CPU_MAJOR),3) <<
25 CPUFLAGS-1 += -mno-xl-soft-mul <<
26 else <<
27 # USE_HW_MUL can be 0, 1, or 2, defining a <<
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB <<
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H <<
30 endif <<
31 endif <<
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) <<
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE <<
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ <<
35 <<
36 ifdef CONFIG_CPU_BIG_ENDIAN <<
37 KBUILD_CFLAGS += -mbig-endian <<
38 KBUILD_AFLAGS += -mbig-endian <<
39 KBUILD_LDFLAGS += -EB <<
40 else 68 else
41 KBUILD_CFLAGS += -mlittle-endian !! 69 # we can use a m68k-linux-gcc toolchain with these in place
42 KBUILD_AFLAGS += -mlittle-endian !! 70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
43 KBUILD_LDFLAGS += -EL !! 71 KBUILD_CPPFLAGS += -D__uClinux__
44 endif 72 endif
45 73
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE !! 74 KBUILD_LDFLAGS := -m m68kelf
47 75
48 # r31 holds current when in kernel mode !! 76 ifdef CONFIG_SUN3
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C !! 77 LDFLAGS_vmlinux = -N
>> 78 endif
50 79
51 libs-y += arch/microblaze/lib/ !! 80 CHECKFLAGS += -D__mc68000__
52 81
53 boot := arch/microblaze/boot <<
54 82
55 # Are we making a simpleImage.<boardname> targ !! 83 ifdef CONFIG_KGDB
56 DTB:=$(subst simpleImage.,,$(filter simpleImag !! 84 # If configured for kgdb support, include debugging infos and keep the
>> 85 # frame pointer
>> 86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 87 endif
57 88
58 export DTB !! 89 #
>> 90 # Select the assembler head startup code. Order is important. The default
>> 91 # head code is first, processor specific selections can override it after.
>> 92 #
>> 93 head-y := arch/m68k/kernel/head.o
>> 94 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
>> 95 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 96 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
>> 97
>> 98 libs-y += arch/m68k/lib/
>> 99
>> 100
>> 101 all: zImage
>> 102
>> 103 lilo: vmlinux
>> 104 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
>> 105 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
>> 106 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 107 cp System.map $(INSTALL_PATH)/System.map
>> 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
>> 109
>> 110 zImage compressed: vmlinux.gz
>> 111
>> 112 vmlinux.gz: vmlinux
>> 113
>> 114 ifndef CONFIG_KGDB
>> 115 cp vmlinux vmlinux.tmp
>> 116 $(STRIP) vmlinux.tmp
>> 117 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
>> 118 rm vmlinux.tmp
>> 119 else
>> 120 $(KGZIP) -9c vmlinux >vmlinux.gz
>> 121 endif
59 122
60 all: linux.bin !! 123 bzImage: vmlinux.bz2
61 124
62 archheaders: !! 125 vmlinux.bz2: vmlinux
63 $(Q)$(MAKE) $(build)=arch/microblaze/k <<
64 126
65 PHONY += linux.bin linux.bin.gz linux.bin.ub !! 127 ifndef CONFIG_KGDB
66 linux.bin.ub linux.bin.gz: linux.bin !! 128 cp vmlinux vmlinux.tmp
67 linux.bin: vmlinux !! 129 $(STRIP) vmlinux.tmp
68 linux.bin linux.bin.gz linux.bin.ub: !! 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
69 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 131 rm vmlinux.tmp
70 @echo 'Kernel: $(boot)/$@ is ready' ' !! 132 else
71 !! 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2
72 PHONY += simpleImage.$(DTB) !! 134 endif
73 simpleImage.$(DTB): vmlinux !! 135
74 $(Q)$(MAKE) $(build)=$(boot) $(addpref !! 136 CLEAN_FILES += vmlinux.gz vmlinux.bz2
75 @echo 'Kernel: $(boot)/$@ is ready' ' !! 137
76 !! 138 archheaders:
77 define archhelp !! 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
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 <<
92 140
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 141 install:
>> 142 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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