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 := $(NM) -B
16 12
17 ifdef cross_compiling !! 13 LINKFLAGS = -static -T arch/alpha/vmlinux.lds -N #-relax
18 ifeq ($(CROSS_COMPILE),) !! 14 CFLAGS := $(CFLAGS) -pipe -mno-fp-regs -ffixed-8
19 CROSS_COMPILE := $(call cc-cro <<
20 m68k-linux-gnu- m68k-l <<
21 endif <<
22 endif <<
23 15
24 # !! 16 # Determine if we can use the BWX instructions with GAS.
25 # Enable processor type. Ordering of the !! 17 old_gas := $(shell if $(AS) --version 2>&1 | grep 'version 2.7' > /dev/null; then echo y; else echo n; fi)
26 # use the minimum processor type of the !! 18
27 # for 680x0 will only allow use of the - !! 19 # Determine if GCC understands the -mcpu= option.
28 # 680x0 type is specified - and no optio !! 20 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)
29 # 68020. The other m68k/ColdFire types a !! 21
30 # compiler cpu type flag. !! 22 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)
31 # !! 23
32 ifndef CONFIG_M68040 !! 24 have_mcpu_ev6 := $(shell if $(CC) -mcpu=ev6 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
33 cpuflags-$(CONFIG_M68060) = -m68060 !! 25
34 endif !! 26 have_mcpu_ev67 := $(shell if $(CC) -mcpu=ev67 -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo y; else echo n; fi)
35 ifndef CONFIG_M68060 !! 27
36 cpuflags-$(CONFIG_M68040) = -m68040 !! 28 # Turn on the proper cpu optimizations.
37 endif !! 29 ifeq ($(have_mcpu),y)
38 cpuflags-$(CONFIG_M68030) = !! 30 # If GENERIC, make sure to turn off any instruction set extensions that
39 cpuflags-$(CONFIG_M68020) = !! 31 # the host compiler might have on by default. Given that EV4 and EV5
40 cpuflags-$(CONFIG_M68000) = -m68000 !! 32 # have the same instruction set, prefer EV5 because an EV5 schedule is
41 cpuflags-$(CONFIG_M5441x) = $(call cc-op !! 33 # more likely to keep an EV4 processor busy than vice-versa.
42 cpuflags-$(CONFIG_M54xx) = $(call cc-op !! 34 mcpu_done := n
43 cpuflags-$(CONFIG_M5407) = $(call cc-op !! 35 ifeq ($(CONFIG_ALPHA_GENERIC),y)
44 cpuflags-$(CONFIG_M532x) = $(call cc-op !! 36 CFLAGS := $(CFLAGS) -mcpu=ev5
45 cpuflags-$(CONFIG_M537x) = $(call cc-op !! 37 mcpu_done := y
46 cpuflags-$(CONFIG_M5307) = $(call cc-op !! 38 endif
47 cpuflags-$(CONFIG_M528x) = $(call cc-op !! 39 ifeq ($(mcpu_done)$(CONFIG_ALPHA_SX164)$(have_mcpu_pca56),nyy)
48 cpuflags-$(CONFIG_M5275) = $(call cc-op !! 40 CFLAGS := $(CFLAGS) -mcpu=pca56
49 cpuflags-$(CONFIG_M5272) = $(call cc-op !! 41 mcpu_done := y
50 cpuflags-$(CONFIG_M5271) = $(call cc-op !! 42 endif
51 cpuflags-$(CONFIG_M523x) = $(call cc-op !! 43 ifeq ($(mcpu_done)$(CONFIG_ALPHA_POLARIS)$(have_mcpu_pca56),nyy)
52 cpuflags-$(CONFIG_M525x) = $(call cc-op !! 44 CFLAGS := $(CFLAGS) -mcpu=pca56
53 cpuflags-$(CONFIG_M5249) = $(call cc-op !! 45 mcpu_done := y
54 cpuflags-$(CONFIG_M520x) = $(call cc-op !! 46 endif
55 cpuflags-$(CONFIG_M5206e) = $(call cc-op !! 47 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV4),ny)
56 cpuflags-$(CONFIG_M5206) = $(call cc-op !! 48 CFLAGS := $(CFLAGS) -mcpu=ev4
57 !! 49 mcpu_done := y
58 # Evaluate tune cc-option calls now !! 50 endif
59 cpuflags-y := $(cpuflags-y) !! 51 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV56),ny)
60 !! 52 CFLAGS := $(CFLAGS) -mcpu=ev56
61 KBUILD_AFLAGS += $(cpuflags-y) !! 53 mcpu_done := y
62 KBUILD_CFLAGS += $(cpuflags-y) !! 54 endif
63 !! 55 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV5),ny)
64 KBUILD_CFLAGS += -pipe -ffreestanding !! 56 CFLAGS := $(CFLAGS) -mcpu=ev5
65 !! 57 mcpu_done := y
66 ifdef CONFIG_MMU !! 58 endif
67 KBUILD_CFLAGS += -ffixed-a2 !! 59 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV67)$(have_mcpu_ev67),nyy)
68 else !! 60 CFLAGS := $(CFLAGS) -mcpu=ev67
69 # we can use a m68k-linux-gcc toolchain with t !! 61 mcpu_done := y
70 KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\" !! 62 endif
71 KBUILD_CPPFLAGS += -D__uClinux__ !! 63 ifeq ($(mcpu_done)$(CONFIG_ALPHA_EV6),ny)
>> 64 ifeq ($(have_mcpu_ev6),y)
>> 65 CFLAGS := $(CFLAGS) -mcpu=ev6
>> 66 else
>> 67 ifeq ($(have_mcpu_pca56),y)
>> 68 CFLAGS := $(CFLAGS) -mcpu=pca56
>> 69 else
>> 70 CFLAGS := $(CFLAGS) -mcpu=ev56
>> 71 endif
>> 72 endif
>> 73 mcpu_done := y
>> 74 endif
72 endif 75 endif
73 76
74 KBUILD_LDFLAGS := -m m68kelf !! 77 # For TSUNAMI, we must have the assembler not emulate our instructions.
>> 78 # The same is true for IRONGATE, POLARIS, PYXIS.
>> 79 # BWX is most important, but we don't really want any emulation ever.
75 80
76 ifdef CONFIG_SUN3 !! 81 ifeq ($(old_gas),y)
77 LDFLAGS_vmlinux = -N !! 82 # How do we do #error in make?
>> 83 CFLAGS := --error-please-upgrade-your-assembler
78 endif 84 endif
>> 85 CFLAGS := $(CFLAGS) -Wa,-mev6
79 86
80 CHECKFLAGS += -D__mc68000__ !! 87 HEAD := arch/alpha/kernel/head.o
81 88
>> 89 SUBDIRS := $(SUBDIRS) arch/alpha/kernel arch/alpha/mm arch/alpha/lib \
>> 90 arch/alpha/math-emu
>> 91 CORE_FILES := arch/alpha/kernel/kernel.o arch/alpha/mm/mm.o $(CORE_FILES)
82 92
83 ifdef CONFIG_KGDB !! 93 ifeq ($(CONFIG_MATHEMU),y)
84 # If configured for kgdb support, include debu !! 94 CORE_FILES := $(CORE_FILES) arch/alpha/math-emu/math-emu.o
85 # frame pointer <<
86 KBUILD_CFLAGS := $(subst -fomit-frame-pointer, <<
87 endif 95 endif
88 96
89 libs-y += arch/m68k/l !! 97 LIBS := $(TOPDIR)/arch/alpha/lib/lib.a $(LIBS) $(TOPDIR)/arch/alpha/lib/lib.a
90 98
>> 99 MAKEBOOT = $(MAKE) -C arch/alpha/boot
91 100
92 all: zImage !! 101 rawboot:
>> 102 @$(MAKEBOOT) rawboot
93 103
94 lilo: vmlinux !! 104 #
95 if [ -f $(INSTALL_PATH)/vmlinux ]; the !! 105 # My boot writes directly to a specific disk partition, I doubt most
96 if [ -f $(INSTALL_PATH)/System.map ]; !! 106 # people will want to do that without changes..
97 cat vmlinux > $(INSTALL_PATH)/vmlinux !! 107 #
98 cp System.map $(INSTALL_PATH)/System.m !! 108 msb my-special-boot:
99 if [ -x /sbin/lilo ]; then /sbin/lilo; !! 109 @$(MAKEBOOT) msb
100 110
101 zImage compressed: vmlinux.gz !! 111 bootimage:
>> 112 @$(MAKEBOOT) bootimage
102 113
103 vmlinux.gz: vmlinux !! 114 srmboot:
>> 115 @$(MAKEBOOT) srmboot
104 116
105 ifndef CONFIG_KGDB !! 117 archclean:
106 cp vmlinux vmlinux.tmp !! 118 @$(MAKE) -C arch/alpha/kernel clean
107 $(STRIP) vmlinux.tmp !! 119 @$(MAKEBOOT) clean
108 $(KGZIP) -9c vmlinux.tmp >vmlinux.gz !! 120 rm -f arch/alpha/vmlinux.lds
109 rm vmlinux.tmp <<
110 else <<
111 $(KGZIP) -9c vmlinux >vmlinux.gz <<
112 endif <<
113 121
114 bzImage: vmlinux.bz2 !! 122 archmrproper:
115 123
116 vmlinux.bz2: vmlinux !! 124 archdep:
>> 125 @$(MAKEBOOT) dep
117 126
118 ifndef CONFIG_KGDB !! 127 vmlinux: arch/alpha/vmlinux.lds
119 cp vmlinux vmlinux.tmp <<
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 <<
126 128
127 CLEAN_FILES += vmlinux.gz vmlinux.bz2 !! 129 arch/alpha/vmlinux.lds: arch/alpha/vmlinux.lds.in
>> 130 $(CPP) $(CPPFLAGS) -xc -P arch/alpha/vmlinux.lds.in -o arch/alpha/vmlinux.lds
128 131
129 archheaders: !! 132 bootpfile:
130 $(Q)$(MAKE) $(build)=arch/m68k/kernel/ !! 133 @$(MAKEBOOT) bootpfile
131 134
132 install: KBUILD_IMAGE := vmlinux.gz !! 135 bootpzfile:
133 install: !! 136 @$(MAKEBOOT) bootpzfile
134 $(call cmd,install) <<
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