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 #
>> 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
>> 28
>> 29 ifdef CONFIG_SUN3
>> 30 LDFLAGS_vmlinux = -N
>> 31 endif
>> 32
>> 33 CHECKFLAGS += -D__mc68000__
3 34
4 UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" !! 35 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 36 KBUILD_CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
>> 37
>> 38 # enable processor switch if compiled only for a single cpu
>> 39 ifndef CONFIG_M68020
>> 40 ifndef CONFIG_M68030
>> 41
>> 42 ifndef CONFIG_M68060
>> 43 KBUILD_CFLAGS += -m68040
>> 44 endif
5 45
6 # What CPU version are we building for, and cr !! 46 ifndef CONFIG_M68040
7 # as major.minor.rev !! 47 KBUILD_CFLAGS += -m68060
8 CPU_VER := $(CONFIG_XILINX_MICROBLAZE0_HW_VE !! 48 endif
9 CPU_MAJOR := $(word 1, $(subst ., , $(CPU_VER) !! 49
10 CPU_MINOR := $(word 2, $(subst ., , $(CPU_VER) !! 50 endif
11 CPU_REV := $(word 3, $(subst ., , $(CPU_VER) !! 51 endif
12 !! 52
13 export CPU_VER CPU_MAJOR CPU_MINOR CPU_REV !! 53 ifdef CONFIG_KGDB
14 !! 54 # If configured for kgdb support, include debugging infos and keep the
15 # Use cpu-related CONFIG_ vars to set compile !! 55 # frame pointer
16 # The various CONFIG_XILINX cpu features optio !! 56 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
17 # rather than bools y/n !! 57 endif
18 !! 58
19 # Work out HW multipler support. This is trick !! 59 ifndef CONFIG_SUN3
20 # 1. Spartan2 has no HW multipliers. !! 60 head-y := arch/m68k/kernel/head.o
21 # 2. MicroBlaze v3.x always uses them, except !! 61 else
22 # 3. All other FPGa/CPU ver combos, we can tru !! 62 head-y := arch/m68k/kernel/sun3-head.o
23 ifeq (,$(findstring spartan2,$(CONFIG_XILINX_M !! 63 endif
24 ifeq ($(CPU_MAJOR),3) !! 64
25 CPUFLAGS-1 += -mno-xl-soft-mul !! 65 core-y += arch/m68k/kernel/ arch/m68k/mm/
26 else !! 66 libs-y += arch/m68k/lib/
27 # USE_HW_MUL can be 0, 1, or 2, defining a !! 67
28 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROB !! 68 core-$(CONFIG_Q40) += arch/m68k/q40/
29 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_H !! 69 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
30 endif !! 70 core-$(CONFIG_ATARI) += arch/m68k/atari/
31 endif !! 71 core-$(CONFIG_MAC) += arch/m68k/mac/
32 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) !! 72 core-$(CONFIG_HP300) += arch/m68k/hp300/
33 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARRE !! 73 core-$(CONFIG_APOLLO) += arch/m68k/apollo/
34 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_ !! 74 core-$(CONFIG_MVME147) += arch/m68k/mvme147/
35 !! 75 core-$(CONFIG_MVME16x) += arch/m68k/mvme16x/
36 ifdef CONFIG_CPU_BIG_ENDIAN !! 76 core-$(CONFIG_BVME6000) += arch/m68k/bvme6000/
37 KBUILD_CFLAGS += -mbig-endian !! 77 core-$(CONFIG_SUN3X) += arch/m68k/sun3x/ arch/m68k/sun3/
38 KBUILD_AFLAGS += -mbig-endian !! 78 core-$(CONFIG_SUN3) += arch/m68k/sun3/ arch/m68k/sun3/prom/
39 KBUILD_LDFLAGS += -EB !! 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
>> 103 endif
>> 104
>> 105 bzImage: vmlinux.bz2
>> 106
>> 107 vmlinux.bz2: vmlinux
>> 108
>> 109 ifndef CONFIG_KGDB
>> 110 cp vmlinux vmlinux.tmp
>> 111 $(STRIP) vmlinux.tmp
>> 112 bzip2 -1c vmlinux.tmp >vmlinux.bz2
>> 113 rm vmlinux.tmp
40 else 114 else
41 KBUILD_CFLAGS += -mlittle-endian !! 115 bzip2 -1c vmlinux >vmlinux.bz2
42 KBUILD_AFLAGS += -mlittle-endian !! 116 endif
43 KBUILD_LDFLAGS += -EL !! 117
44 endif !! 118 archclean:
45 !! 119 rm -f vmlinux.gz vmlinux.bz2
46 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VE <<
47 <<
48 # r31 holds current when in kernel mode <<
49 KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-y) $(C <<
50 <<
51 libs-y += arch/microblaze/lib/ <<
52 <<
53 boot := arch/microblaze/boot <<
54 <<
55 # Are we making a simpleImage.<boardname> targ <<
56 DTB:=$(subst simpleImage.,,$(filter simpleImag <<
57 <<
58 export DTB <<
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 <<
92 120
93 MRPROPER_FILES += $(boot)/simpleImage.* !! 121 install:
>> 122 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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