1 # SPDX-License-Identifier: GPL-2.0-only !! 1 #
2 OBJCOPYFLAGS :=-O binary !! 2 # m68k/Makefile
3 GZFLAGS :=-9 !! 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 #
4 15
5 ifdef CONFIG_CPU_HAS_FPU !! 16 KBUILD_DEFCONFIG := multi_defconfig
6 FPUEXT = f <<
7 endif <<
8 17
9 ifdef CONFIG_CPU_HAS_VDSP !! 18 # override top level makefile
10 VDSPEXT = v !! 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 := $(call cc-cross-prefix, \
>> 25 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 26 endif
11 endif 27 endif
12 28
13 ifdef CONFIG_CPU_HAS_TEE !! 29 ifdef CONFIG_SUN3
14 TEEEXT = t !! 30 LDFLAGS_vmlinux = -N
15 endif 31 endif
16 32
17 ifdef CONFIG_CPU_CK610 !! 33 CHECKFLAGS += -D__mc68000__
18 CPUTYPE = ck610 <<
19 CSKYABI = abiv1 <<
20 endif <<
21 34
22 ifdef CONFIG_CPU_CK810 !! 35 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
23 CPUTYPE = ck810 !! 36 KBUILD_CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
24 CSKYABI = abiv2 <<
25 endif <<
26 37
27 ifdef CONFIG_CPU_CK807 !! 38 # enable processor switch if compiled only for a single cpu
28 CPUTYPE = ck807 !! 39 ifndef CONFIG_M68020
29 CSKYABI = abiv2 !! 40 ifndef CONFIG_M68030
>> 41
>> 42 ifndef CONFIG_M68060
>> 43 KBUILD_CFLAGS += -m68040
30 endif 44 endif
31 45
32 ifdef CONFIG_CPU_CK860 !! 46 ifndef CONFIG_M68040
33 CPUTYPE = ck860 !! 47 KBUILD_CFLAGS += -m68060
34 CSKYABI = abiv2 <<
35 endif 48 endif
36 49
37 ifneq ($(CSKYABI),) !! 50 endif
38 MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEE <<
39 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$( <<
40 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_S <<
41 KBUILD_CFLAGS += -msoft-float -mdiv <<
42 KBUILD_CFLAGS += -fno-tree-vectorize <<
43 endif 51 endif
44 52
45 KBUILD_CFLAGS += -pipe !! 53 ifdef CONFIG_KGDB
46 ifeq ($(CSKYABI),abiv2) !! 54 # If configured for kgdb support, include debugging infos and keep the
47 KBUILD_CFLAGS += -mno-stack-size !! 55 # frame pointer
>> 56 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
48 endif 57 endif
49 58
50 ifdef CONFIG_FRAME_POINTER !! 59 ifndef CONFIG_SUN3
51 KBUILD_CFLAGS += -mbacktrace !! 60 head-y := arch/m68k/kernel/head.o
>> 61 else
>> 62 head-y := arch/m68k/kernel/sun3-head.o
52 endif 63 endif
53 64
54 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI !! 65 core-y += arch/m68k/kernel/ arch/m68k/mm/
55 KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%in !! 66 libs-y += arch/m68k/lib/
56 67
57 KBUILD_CPPFLAGS += -mlittle-endian !! 68 core-$(CONFIG_Q40) += arch/m68k/q40/
58 LDFLAGS += -EL !! 69 core-$(CONFIG_AMIGA) += arch/m68k/amiga/
>> 70 core-$(CONFIG_ATARI) += arch/m68k/atari/
>> 71 core-$(CONFIG_MAC) += arch/m68k/mac/
>> 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/
59 82
60 KBUILD_AFLAGS += $(KBUILD_CFLAGS) !! 83 all: zImage
61 84
62 core-y += arch/csky/$(CSKYABI)/ !! 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
63 91
64 libs-y += arch/csky/lib/ \ !! 92 zImage compressed: vmlinux.gz
65 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLA <<
66 93
67 boot := arch/csky/boot !! 94 vmlinux.gz: vmlinux
68 95
69 all: zImage !! 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
>> 114 else
>> 115 bzip2 -1c vmlinux >vmlinux.bz2
>> 116 endif
70 117
71 zImage Image uImage: vmlinux !! 118 archclean:
72 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 119 rm -f vmlinux.gz vmlinux.bz2
73 120
74 define archhelp !! 121 install:
75 echo '* zImage - Compressed kernel im !! 122 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
76 echo ' Image - Uncompressed kernel <<
77 echo ' uImage - U-Boot wrapped zImag <<
78 endef <<
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