1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 # Makefile for the Hexagon arch !! 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__
>> 34
>> 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
>> 45
>> 46 ifndef CONFIG_M68040
>> 47 KBUILD_CFLAGS += -m68060
>> 48 endif
>> 49
>> 50 endif
>> 51 endif
>> 52
>> 53 ifdef CONFIG_KGDB
>> 54 # If configured for kgdb support, include debugging infos and keep the
>> 55 # frame pointer
>> 56 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 57 endif
>> 58
>> 59 ifndef CONFIG_SUN3
>> 60 head-y := arch/m68k/kernel/head.o
>> 61 else
>> 62 head-y := arch/m68k/kernel/sun3-head.o
>> 63 endif
>> 64
>> 65 core-y += arch/m68k/kernel/ arch/m68k/mm/
>> 66 libs-y += arch/m68k/lib/
>> 67
>> 68 core-$(CONFIG_Q40) += arch/m68k/q40/
>> 69 core-$(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/
>> 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
>> 114 else
>> 115 bzip2 -1c vmlinux >vmlinux.bz2
>> 116 endif
3 117
4 KBUILD_DEFCONFIG = comet_defconfig !! 118 archclean:
>> 119 rm -f vmlinux.gz vmlinux.bz2
5 120
6 # Do not use GP-relative jumps !! 121 install:
7 KBUILD_CFLAGS += -G0 !! 122 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
8 LDFLAGS_vmlinux += -G0 <<
9 <<
10 # Do not use single-byte enums; these will ove <<
11 KBUILD_CFLAGS += -fno-short-enums <<
12 <<
13 # We must use long-calls: <<
14 KBUILD_CFLAGS += -mlong-calls <<
15 <<
16 # Modules must use either long-calls, or use p <<
17 # Use long-calls for now, it's easier. And fa <<
18 # KBUILD_CFLAGS_MODULE += -fPIC <<
19 # KBUILD_LDFLAGS_MODULE += -shared <<
20 KBUILD_CFLAGS_MODULE += -mlong-calls <<
21 <<
22 cflags-y += $(call cc-option,-mv${CONFIG_HEXAG <<
23 aflags-y += $(call cc-option,-mv${CONFIG_HEXAG <<
24 ldflags-y += $(call cc-option,-mv${CONFIG_HEXA <<
25 <<
26 KBUILD_CFLAGS += $(cflags-y) <<
27 KBUILD_AFLAGS += $(aflags-y) <<
28 KBUILD_LDFLAGS += $(ldflags-y) <<
29 <<
30 # Thread-info register will be r19. This valu <<
31 # it is hard-coded in several files. <<
32 TIR_NAME := r19 <<
33 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADI <<
34 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME) <<
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