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.
>> 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>
4 # 13 #
5 14
6 KBUILD_DEFCONFIG := haps_hs_smp_defconfig !! 15 KBUILD_DEFCONFIG := multi_defconfig
7 16
8 ifeq ($(CROSS_COMPILE),) !! 17 ifdef cross_compiling
9 CROSS_COMPILE := $(call cc-cross-prefix, arc-l !! 18 ifeq ($(CROSS_COMPILE),)
>> 19 CROSS_COMPILE := $(call cc-cross-prefix, \
>> 20 m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-)
>> 21 endif
10 endif 22 endif
11 23
12 cflags-y += -fno-common -pipe -fno-buil !! 24 #
13 !! 25 # Enable processor type. Ordering of these is important - we want to
14 tune-mcpu-def-$(CONFIG_ISA_ARCOMPACT) := -mc !! 26 # use the minimum processor type of the range we support. The logic
15 tune-mcpu-def-$(CONFIG_ISA_ARCV2) := -mc !! 27 # for 680x0 will only allow use of the -m68060 or -m68040 if no other
16 !! 28 # 680x0 type is specified - and no option is specified for 68030 or
17 ifeq ($(CONFIG_ARC_TUNE_MCPU),) !! 29 # 68020. The other m68k/ColdFire types always specify some type of
18 cflags-y += $(t !! 30 # compiler cpu type flag.
19 else !! 31 #
20 tune-mcpu := $(C !! 32 ifndef CONFIG_M68040
21 ifneq ($(call cc-option,$(tune-mcpu)),) !! 33 cpuflags-$(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 += $(t <<
28 endif <<
29 endif 34 endif
30 !! 35 ifndef CONFIG_M68060
31 ifdef CONFIG_ARC_CURR_IN_REG !! 36 cpuflags-$(CONFIG_M68040) = -m68040
32 # For a global register definition, make sure <<
33 # We had a customer reported bug where some co <<
34 # any kernel headers, and missing the global r <<
35 # Can't do unconditionally because of recursiv <<
36 # due to <linux/thread_info.h> <<
37 LINUXINCLUDE += -include $(srctree)/arch/a <<
38 cflags-y += -ffixed-gp <<
39 endif 37 endif
>> 38 cpuflags-$(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)
40 60
41 cflags-y += -fs !! 61 KBUILD_AFLAGS += $(cpuflags-y)
>> 62 KBUILD_CFLAGS += $(cpuflags-y)
42 63
43 cflags-$(CONFIG_ARC_HAS_LLSC) += -ml !! 64 KBUILD_CFLAGS += -pipe -ffreestanding
44 cflags-$(CONFIG_ARC_HAS_SWAPE) += -ms <<
45 65
46 ifdef CONFIG_ISA_ARCV2 !! 66 ifdef CONFIG_MMU
47 !! 67 KBUILD_CFLAGS += -ffixed-a2
48 ifdef CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS <<
49 cflags-y += -mu <<
50 else 68 else
51 cflags-y += -mn !! 69 # we can use a m68k-linux-gcc toolchain with these in place
>> 70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"
>> 71 KBUILD_CPPFLAGS += -D__uClinux__
52 endif 72 endif
53 73
54 ifndef CONFIG_ARC_HAS_LL64 !! 74 KBUILD_LDFLAGS := -m m68kelf
55 cflags-y += -mn <<
56 endif <<
57 75
58 ifndef CONFIG_ARC_HAS_DIV_REM !! 76 ifdef CONFIG_SUN3
59 cflags-y += -mn !! 77 LDFLAGS_vmlinux = -N
60 endif 78 endif
61 79
62 endif !! 80 CHECKFLAGS += -D__mc68000__
63 81
64 cfi := $(call as-instr,.cfi_startproc\n.cfi_en <<
65 cflags-$(CONFIG_ARC_DW2_UNWIND) += -fa <<
66 82
67 # small data is default for elf32 tool-chain. !! 83 ifdef CONFIG_KGDB
68 # This also allows repurposing GP as scratch r !! 84 # If configured for kgdb support, include debugging infos and keep the
69 disable_small_data := y !! 85 # frame pointer
70 cflags-$(disable_small_data) += -mn !! 86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
>> 87 endif
71 88
72 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb !! 89 #
73 ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB !! 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
74 97
75 LIBGCC = $(shell $(CC) $(cflags-y) --print-li !! 98 libs-y += arch/m68k/lib/
76 99
77 # Modules with short calls might break for cal <<
78 KBUILD_CFLAGS_MODULE += -mlong-calls -mno-m <<
79 100
80 # Finally dump eveything into kernel build sys !! 101 all: zImage
81 KBUILD_CFLAGS += $(cflags-y) <<
82 KBUILD_AFLAGS += $(KBUILD_CFLAGS) <<
83 KBUILD_LDFLAGS += $(ldflags-y) <<
84 102
85 # w/o this dtb won't embed into kernel binary !! 103 lilo: vmlinux
86 core-y += arch/arc/boot/dts/ !! 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 $(INSTALL_PATH)/System.map
>> 108 if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
87 109
88 core-y += arch/arc/pl !! 110 zImage compressed: vmlinux.gz
89 core-$(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 <<
92 111
93 libs-y += arch/arc/lib/ $(LIBGCC) !! 112 vmlinux.gz: vmlinux
94 113
95 boot := arch/arc/boot !! 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
>> 122
>> 123 bzImage: vmlinux.bz2
96 124
97 boot_targets := uImage.bin uImage.gz uImage.lz !! 125 vmlinux.bz2: vmlinux
98 126
99 PHONY += $(boot_targets) !! 127 ifndef CONFIG_KGDB
100 $(boot_targets): vmlinux !! 128 cp vmlinux vmlinux.tmp
101 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ !! 129 $(STRIP) vmlinux.tmp
>> 130 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2
>> 131 rm vmlinux.tmp
>> 132 else
>> 133 $(KBZIP2) -1c vmlinux >vmlinux.bz2
>> 134 endif
102 135
103 uimage-default-y := uIm !! 136 CLEAN_FILES += vmlinux.gz vmlinux.bz2
104 uimage-default-$(CONFIG_KERNEL_GZIP) := uIm <<
105 uimage-default-$(CONFIG_KERNEL_LZMA) := uIm <<
106 137
107 PHONY += uImage !! 138 archheaders:
108 uImage: $(uimage-default-y) !! 139 $(Q)$(MAKE) $(build)=arch/m68k/kernel/syscalls all
109 @ln -sf $< $(boot)/uImage <<
110 @$(kecho) ' Image $(boot)/uImage is r <<
111 140
112 CLEAN_FILES += $(boot)/uImage !! 141 install: KBUILD_IMAGE := vmlinux.gz
>> 142 install:
>> 143 $(call cmd,install)
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