1 # 1 #
2 # m68k/Makefile !! 2 # alpha/Makefile
3 # <<
4 # This file is included by the global makefile <<
5 # architecture-specific flags and dependencies <<
6 # 3 #
7 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
8 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
9 # for more details. 6 # for more details.
10 # 7 #
11 # Copyright (C) 1994 by Hamish Macdonald !! 8 # Copyright (C) 1994 by Linus Torvalds
12 # Copyright (C) 2002,2011 Greg Ungerer <gerg@sn <<
13 # 9 #
14 10
15 KBUILD_DEFCONFIG := multi_defconfig !! 11 NM := $(NM) -B
16 <<
17 ifdef cross_compiling <<
18 ifeq ($(CROSS_COMPILE),) <<
19 CROSS_COMPILE := $(call cc-cro <<
20 m68k-linux-gnu- m68k-l <<
21 endif <<
22 endif <<
23 <<
24 # <<
25 # Enable processor type. Ordering of the <<
26 # use the minimum processor type of the <<
27 # for 680x0 will only allow use of the - <<
28 # 680x0 type is specified - and no optio <<
29 # 68020. The other m68k/ColdFire types a <<
30 # compiler cpu type flag. <<
31 # <<
32 ifndef CONFIG_M68040 <<
33 cpuflags-$(CONFIG_M68060) = -m68060 <<
34 endif <<
35 ifndef CONFIG_M68060 <<
36 cpuflags-$(CONFIG_M68040) = -m68040 <<
37 endif <<
38 cpuflags-$(CONFIG_M68030) = <<
39 cpuflags-$(CONFIG_M68020) = <<
40 cpuflags-$(CONFIG_M68000) = -m68000 <<
41 cpuflags-$(CONFIG_M5441x) = $(call cc-op <<
42 cpuflags-$(CONFIG_M54xx) = $(call cc-op <<
43 cpuflags-$(CONFIG_M5407) = $(call cc-op <<
44 cpuflags-$(CONFIG_M532x) = $(call cc-op <<
45 cpuflags-$(CONFIG_M537x) = $(call cc-op <<
46 cpuflags-$(CONFIG_M5307) = $(call cc-op <<
47 cpuflags-$(CONFIG_M528x) = $(call cc-op <<
48 cpuflags-$(CONFIG_M5275) = $(call cc-op <<
49 cpuflags-$(CONFIG_M5272) = $(call cc-op <<
50 cpuflags-$(CONFIG_M5271) = $(call cc-op <<
51 cpuflags-$(CONFIG_M523x) = $(call cc-op <<
52 cpuflags-$(CONFIG_M525x) = $(call cc-op <<
53 cpuflags-$(CONFIG_M5249) = $(call cc-op <<
54 cpuflags-$(CONFIG_M520x) = $(call cc-op <<
55 cpuflags-$(CONFIG_M5206e) = $(call cc-op <<
56 cpuflags-$(CONFIG_M5206) = $(call cc-op <<
57 <<
58 # Evaluate tune cc-option calls now <<
59 cpuflags-y := $(cpuflags-y) <<
60 <<
61 KBUILD_AFLAGS += $(cpuflags-y) <<
62 KBUILD_CFLAGS += $(cpuflags-y) <<
63 <<
64 KBUILD_CFLAGS += -pipe -ffreestanding <<
65 <<
66 ifdef CONFIG_MMU <<
67 KBUILD_CFLAGS += -ffixed-a2 <<
68 else <<
69 # we can use a m68k-linux-gcc toolchain with t <<
70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\" <<
71 KBUILD_CPPFLAGS += -D__uClinux__ <<
72 endif <<
73 12
74 KBUILD_LDFLAGS := -m m68kelf !! 13 LDFLAGS_vmlinux := -static -N #-relax
>> 14 cflags-y := -pipe -mno-fp-regs -ffixed-8
75 15
76 ifdef CONFIG_SUN3 !! 16 # Determine if we can use the BWX instructions with GAS.
77 LDFLAGS_vmlinux = -N !! 17 old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi)
>> 18
>> 19 ifeq ($(old_gas),y)
>> 20 $(error The assembler '$(AS)' does not support the BWX instruction)
>> 21 endif
>> 22
>> 23 # Determine if GCC understands the -mcpu= option.
>> 24 have_mcpu := $(shell if $(CC) -mcpu=ev5 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 25
>> 26 have_mcpu_pca56 := $(shell if $(CC) -mcpu=pca56 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 27
>> 28 have_mcpu_ev6 := $(shell if $(CC) -mcpu=ev6 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 29
>> 30 have_mcpu_ev67 := $(shell if $(CC) -mcpu=ev67 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 31
>> 32 have_msmall_data := $(shell if $(CC) -msmall-data -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
>> 33
>> 34 cflags-$(have_msmall_data) += -msmall-data
>> 35
>> 36 # Turn on the proper cpu optimizations.
>> 37 ifeq ($(have_mcpu),y)
>> 38 mcpu_done := n
>> 39 # If GENERIC, make sure to turn off any instruction set extensions that
>> 40 # the host compiler might have on by default. Given that EV4 and EV5
>> 41 # have the same instruction set, prefer EV5 because an EV5 schedule is
>> 42 # more likely to keep an EV4 processor busy than vice-versa.
>> 43 ifeq ($(CONFIG_ALPHA_GENERIC),y)
>> 44 mcpu := ev5
>> 45 mcpu_done := y
>> 46 endif
>> 47 ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
>> 48 mcpu := pca56
>> 49 mcpu_done := y
>> 50 endif
>> 51 ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
>> 52 mcpu := pca56
>> 53 mcpu_done := y
>> 54 endif
>> 55 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
>> 56 mcpu := ev4
>> 57 mcpu_done := y
>> 58 endif
>> 59 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
>> 60 mcpu := ev56
>> 61 mcpu_done := y
>> 62 endif
>> 63 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
>> 64 mcpu := ev5
>> 65 mcpu_done := y
>> 66 endif
>> 67 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
>> 68 mcpu := ev67
>> 69 mcpu_done := y
>> 70 endif
>> 71 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
>> 72 ifeq ($(have_mcpu_ev6),y)
>> 73 mcpu := ev6
>> 74 else
>> 75 ifeq ($(have_mcpu_pca56),y)
>> 76 mcpu := pca56
>> 77 else
>> 78 mcpu=ev56
>> 79 endif
>> 80 endif
>> 81 mcpu_done := y
>> 82 endif
>> 83 cflags-$(mcpu_done) += -mcpu=$(mcpu)
78 endif 84 endif
79 85
80 CHECKFLAGS += -D__mc68000__ <<
81 86
>> 87 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 88 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 89 # BWX is most important, but we don't really want any emulation ever.
>> 90 CFLAGS += $(cflags-y) -Wa,-mev6
82 91
83 ifdef CONFIG_KGDB !! 92 head-y := arch/alpha/kernel/head.o
84 # If configured for kgdb support, include debu <<
85 # frame pointer <<
86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer, <<
87 endif <<
88 93
89 libs-y += arch/m68k/l !! 94 core-y += arch/alpha/kernel/ arch/alpha/mm/
>> 95 core-$(CONFIG_MATHEMU) += arch/alpha/math-emu/
>> 96 drivers-$(CONFIG_OPROFILE) += arch/alpha/oprofile/
>> 97 libs-y += arch/alpha/lib/
90 98
>> 99 # export what is needed by arch/alpha/boot/Makefile
>> 100 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
>> 101 export LIBS_Y
91 102
92 all: zImage !! 103 boot := arch/alpha/boot
93 104
94 lilo: vmlinux !! 105 #Default target when executing make with no arguments
95 if [ -f $(INSTALL_PATH)/vmlinux ]; the !! 106 all boot: $(boot)/vmlinux.gz
96 if [ -f $(INSTALL_PATH)/System.map ]; <<
97 cat vmlinux > $(INSTALL_PATH)/vmlinux <<
98 cp System.map $(INSTALL_PATH)/System.m <<
99 if [ -x /sbin/lilo ]; then /sbin/lilo; <<
100 107
101 zImage compressed: vmlinux.gz !! 108 $(boot)/vmlinux.gz: vmlinux
>> 109 $(Q)$(MAKE) -f scripts/Makefile.build obj=$(boot) $@
102 110
103 vmlinux.gz: vmlinux !! 111 bootimage bootpfile bootpzfile: vmlinux
>> 112 $(Q)$(MAKE) -f scripts/Makefile.build obj=$(boot) $(boot)/$@
104 113
105 ifndef CONFIG_KGDB <<
106 cp vmlinux vmlinux.tmp <<
107 $(STRIP) vmlinux.tmp <<
108 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz <<
109 rm vmlinux.tmp <<
110 else <<
111 $(KGZIP) -9c vmlinux >vmlinux.gz <<
112 endif <<
113 114
114 bzImage: vmlinux.bz2 !! 115 prepare: include/asm-$(ARCH)/asm_offsets.h
115 116
116 vmlinux.bz2: vmlinux !! 117 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 118 include/config/MARKER
117 119
118 ifndef CONFIG_KGDB !! 120 include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
119 cp vmlinux vmlinux.tmp !! 121 $(call filechk,gen-asm-offsets)
120 $(STRIP) vmlinux.tmp <<
121 $(KBZIP2) -1c vmlinux.tmp >vmlinux.bz2 <<
122 rm vmlinux.tmp <<
123 else <<
124 $(KBZIP2) -1c vmlinux >vmlinux.bz2 <<
125 endif <<
126 122
127 CLEAN_FILES += vmlinux.gz vmlinux.bz2 !! 123 archclean:
>> 124 $(Q)$(MAKE) -f scripts/Makefile.clean obj=$(boot)
128 125
129 archheaders: !! 126 CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h
130 $(Q)$(MAKE) $(build)=arch/m68k/kernel/ <<
131 127
132 install: KBUILD_IMAGE := vmlinux.gz !! 128 define archhelp
133 install: !! 129 echo '* boot - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
134 $(call cmd,install) !! 130 echo ' bootimage - SRM bootable image (arch/alpha/boot/bootimage)'
>> 131 echo ' bootpfile - BOOTP bootable image (arch/alpha/boot/bootpfile)'
>> 132 echo ' bootpzfile - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
>> 133 endef
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