1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 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 # Copyright (C) 2002,2011 Greg Ungerer <gerg@snapgear.com>
4 # 15 #
5 16
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig !! 17 KBUILD_DEFCONFIG := multi_defconfig
7 18
8 ifeq ($(CROSS_COMPILE),) !! 19 ifneq ($(SUBARCH),$(ARCH))
9 CROSS_COMPILE := $(call cc-cross-prefix, arc-l !! 20 ifeq ($(CROSS_COMPILE),)
>> 21 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 22 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 23 endif
10 endif 24 endif
11 25
12 cflags-y += -fno-common -pipe -fno-buil !! 26 #
13 !! 27 # Enable processor type. Ordering of these is important - we want to
14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mc !! 28 # use the minimum processor type of the range we support. The logic
15 tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mc !! 29 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
16 !! 30 # 680x0 type is specified - and no option is specified for 68030 or
17 ifeq ($(CONFIG_ARC_TUNE_MCPU),) !! 31 # 68020. The other m68k/ColdFire types always specify some type of
18 cflags-y += $(t !! 32 # compiler cpu type flag.
19 else !! 33 #
20 tune-mcpu := $(C !! 34 ifndef CONFIG_M68040
21 ifneq ($(call cc-option,$(tune-mcpu)),) !! 35 cpuflags-$(CONFIG_M68060) = -m68060
22 cflags-y += $(t <<
23 else <<
24 # The flag provided by 'CONFIG_ARC_TUNE_MCPU' <<
25 # (probably the compiler is too old). Use ISA <<
26 $(warning ** WARNING ** CONFIG_ARC_TUNE_MCPU f <<
27 cflags-y += $(t <<
28 endif 36 endif
>> 37 ifndef CONFIG_M68060
>> 38 cpuflags-$(CONFIG_M68040) = -m68040
29 endif 39 endif
30 !! 40 cpuflags-$(CONFIG_M68030) =
31 ifdef CONFIG_ARC_CURR_IN_REG !! 41 cpuflags-$(CONFIG_M68020) =
32 # For a global register definition, make sure !! 42 cpuflags-$(CONFIG_M68000) = -m68000
33 # We had a customer reported bug where some co !! 43 cpuflags-$(CONFIG_M5441x) = $(call cc-option,-mcpu=54455,-mcfv4e)
34 # any kernel headers, and missing the global r !! 44 cpuflags-$(CONFIG_M54xx) = $(call cc-option,-mcpu=5475,-m5200)
35 # Can't do unconditionally because of recursiv !! 45 cpuflags-$(CONFIG_M5407) = $(call cc-option,-mcpu=5407,-m5200)
36 # due to <linux/thread_info.h> !! 46 cpuflags-$(CONFIG_M532x) = $(call cc-option,-mcpu=532x,-m5307)
37 LINUXINCLUDE += -include $(srctree)/arch/a !! 47 cpuflags-$(CONFIG_M537x) = $(call cc-option,-mcpu=537x,-m5307)
38 cflags-y += -ffixed-gp !! 48 cpuflags-$(CONFIG_M5307) = $(call cc-option,-mcpu=5307,-m5200)
>> 49 cpuflags-$(CONFIG_M528x) = $(call cc-option,-mcpu=528x,-m5307)
>> 50 cpuflags-$(CONFIG_M5275) = $(call cc-option,-mcpu=5275,-m5307)
>> 51 cpuflags-$(CONFIG_M5272) = $(call cc-option,-mcpu=5272,-m5307)
>> 52 cpuflags-$(CONFIG_M5271) = $(call cc-option,-mcpu=5271,-m5307)
>> 53 cpuflags-$(CONFIG_M523x) = $(call cc-option,-mcpu=523x,-m5307)
>> 54 cpuflags-$(CONFIG_M525x) = $(call cc-option,-mcpu=5253,-m5200)
>> 55 cpuflags-$(CONFIG_M5249) = $(call cc-option,-mcpu=5249,-m5200)
>> 56 cpuflags-$(CONFIG_M520x) = $(call cc-option,-mcpu=5208,-m5200)
>> 57 cpuflags-$(CONFIG_M5206e) = $(call cc-option,-mcpu=5206e,-m5200)
>> 58 cpuflags-$(CONFIG_M5206) = $(call cc-option,-mcpu=5206,-m5200)
>> 59
>> 60 # Evaluate tune cc-option calls now
>> 61 cpuflags-y := $(cpuflags-y)
>> 62
>> 63 KBUILD_AFLAGS += $(cpuflags-y)
>> 64 KBUILD_CFLAGS += $(cpuflags-y)
>> 65
>> 66 KBUILD_CFLAGS += -pipe -ffreestanding
>> 67
>> 68 ifdef CONFIG_MMU
>> 69 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
>> 70 KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
>> 71 else
>> 72 # we can use a m68k-linux-gcc toolchain with these in place
>> 73 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 74 KBUILD_CPPFLAGS += -D__uClinux__
39 endif 75 endif
40 76
41 cflags-y += -fs !! 77 KBUILD_LDFLAGS := -m m68kelf
42 <<
43 cflags-$(CONFIG_ARC_HAS_LLSC) += -ml <<
44 cflags-$(CONFIG_ARC_HAS_SWAPE) += -ms <<
45 78
46 ifdef CONFIG_ISA_ARCV2 !! 79 ifdef CONFIG_SUN3
47 !! 80 LDFLAGS_vmlinux = -N
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS <<
49 cflags-y += -mu <<
50 else <<
51 cflags-y += -mn <<
52 endif 81 endif
53 82
54 ifndef CONFIG_ARC_HAS_LL64 !! 83 CHECKFLAGS += -D__mc68000__
55 cflags-y += -mn <<
56 endif <<
57 84
58 ifndef CONFIG_ARC_HAS_DIV_REM <<
59 cflags-y += -mn <<
60 endif <<
61 85
>> 86 ifdef CONFIG_KGDB
>> 87 # If configured for kgdb support, include debugging infos and keep the
>> 88 # frame pointer
>> 89 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
62 endif 90 endif
63 91
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en !! 92 #
65 cflags-$(CONFIG_ARC_DW2_UNWIND) += -fa !! 93 # Select the assembler head startup code. Order is important. The default
66 !! 94 # head code is first, processor specific selections can override it after.
67 # small data is default for elf32 tool-chain. !! 95 #
68 # This also allows repurposing GP as scratch r !! 96 head-y := arch/m68k/kernel/head.o
69 disable_small_data := y !! 97 head-$(CONFIG_SUN3) := arch/m68k/kernel/sun3-head.o
70 cflags-$(disable_small_data) += -mn !! 98 head-$(CONFIG_M68000) := arch/m68k/68000/head.o
>> 99 head-$(CONFIG_COLDFIRE) := arch/m68k/coldfire/head.o
71 100
72 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb !! 101 core-y += arch/m68k/
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB !! 102 libs-y += arch/m68k/lib/
74 103
75 LIBGCC = $(shell $(CC) $(cflags-y) --print-li <<
76 104
77 # Modules with short calls might break for cal !! 105 all: zImage
78 KBUILD_CFLAGS_MODULE += -mlong-calls -mno-m <<
79 106
80 # Finally dump eveything into kernel build sys !! 107 lilo: vmlinux
81 KBUILD_CFLAGS += $(cflags-y) !! 108 if [ -f $(INSTALL_PATH)/vmlinux ]; then mv -f $(INSTALL_PATH)/vmlinux $(INSTALL_PATH)/vmlinux.old; fi
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS) !! 109 if [ -f $(INSTALL_PATH)/System.map ]; then mv -f $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
83 KBUILD_LDFLAGS += $(ldflags-y) !! 110 cat vmlinux > $(INSTALL_PATH)/vmlinux
>> 111 cp System.map $(INSTALL_PATH)/System.map
>> 112 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
84 113
85 # w/o this dtb won't embed into kernel binary !! 114 zImage compressed: vmlinux.gz
86 core-y += arch/arc/boot/dts/ <<
87 115
88 core-y += arch/arc/pl !! 116 vmlinux.gz: vmlinux
89 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/pl <<
90 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/pl <<
91 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/pl <<
92 117
93 libs-y += arch/arc/lib/ $(LIBGCC) !! 118 ifndef CONFIG_KGDB
>> 119 cp vmlinux vmlinux.tmp
>> 120 $(STRIP) vmlinux.tmp
>> 121 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz
>> 122 rm vmlinux.tmp
>> 123 else
>> 124 $(KGZIP) -9c vmlinux >vmlinux.gz
>> 125 endif
94 126
95 boot := arch/arc/boot !! 127 bzImage: vmlinux.bz2
96 128
97 boot_targets := uImage.bin uImage.gz uImage.lz !! 129 vmlinux.bz2: vmlinux
98 130
99 PHONY += $(boot_targets) !! 131 ifndef CONFIG_KGDB
100 $(boot_targets): vmlinux !! 132 cp vmlinux vmlinux.tmp
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 133 $(STRIP) vmlinux.tmp
>> 134 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 135 rm vmlinux.tmp
>> 136 else
>> 137 $(KBZIP2) -1c vmlinux >vmlinux.bz2
>> 138 endif
102 139
103 uimage-default-y := uIm !! 140 CLEAN_FILES += vmlinux.gz vmlinux.bz2
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm <<
105 uimage-default-$(CONFIG_KERNEL_LZMA) := uIm <<
106 141
107 PHONY += uImage !! 142 archheaders:
108 uImage: $(uimage-default-y) !! 143 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
109 @ln -sf $< $(boot)/uImage <<
110 @$(kecho) ' Image $(boot)/uImage is r <<
111 144
112 CLEAN_FILES += $(boot)/uImage !! 145 install:
>> 146 sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
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