1 # !! 1 # This file is included by the global makefile so that you can add your own
2 # arch/sh/Makefile !! 2 # architecture-specific flags and dependencies.
3 # <<
4 # Copyright (C) 1999 Kaz Kojima <<
5 # Copyright (C) 2002 - 2008 Paul Mundt <<
6 # Copyright (C) 2002 M. R. Brown <<
7 # 3 #
8 # This file is subject to the terms and condit 4 # This file is subject to the terms and conditions of the GNU General Public
9 # License. See the file "COPYING" in the main 5 # License. See the file "COPYING" in the main directory of this archive
10 # for more details. 6 # for more details.
11 # 7 #
12 ifdef cross_compiling !! 8 # Copyright (C) 1994 by Linus Torvalds
13 ifeq ($(CROSS_COMPILE),) !! 9 # Changes for PPC by Gary Thomas
14 CROSS_COMPILE := $(call cc-cross-prefix, s !! 10 # Rewritten by Cort Dougan and Paul Mackerras
15 endif !! 11 #
16 endif <<
17 12
18 KBUILD_DEFCONFIG := shx3_defconfig !! 13 # This must match PAGE_OFFSET in include/asm-ppc/page.h.
>> 14 KERNELLOAD := $(CONFIG_KERNEL_START)
19 15
20 isa-y := any !! 16 LDFLAGS_vmlinux := -Ttext $(KERNELLOAD) -Bstatic
21 isa-$(CONFIG_SH_DSP) := sh !! 17 CPPFLAGS += -Iarch/$(ARCH)
22 isa-$(CONFIG_CPU_SH2) := sh2 !! 18 AFLAGS += -Iarch/$(ARCH)
23 isa-$(CONFIG_CPU_SH2A) := sh2 !! 19 cflags-y += -Iarch/$(ARCH) -msoft-float -pipe \
24 isa-$(CONFIG_CPU_SH3) := sh3 !! 20 -ffixed-r2 -Wno-uninitialized -mmultiple -mstring
25 isa-$(CONFIG_CPU_SH4) := sh4 !! 21 CPP = $(CC) -E $(CFLAGS)
26 isa-$(CONFIG_CPU_SH4A) := sh4 <<
27 isa-$(CONFIG_CPU_SH4AL_DSP) := sh4 <<
28 <<
29 isa-$(CONFIG_SH_DSP) := $(i <<
30 isa-y := $(i <<
31 <<
32 cflags-$(CONFIG_CPU_SH2) := $(c <<
33 cflags-$(CONFIG_CPU_J2) += $(c <<
34 cflags-$(CONFIG_CPU_SH2A) += $(c <<
35 $(c <<
36 $(c <<
37 cflags-$(CONFIG_CPU_SH3) := $(c <<
38 cflags-$(CONFIG_CPU_SH4) := $(c <<
39 $(call cc-option,-mno-implicit-fp,-m4- <<
40 cflags-$(CONFIG_CPU_SH4A) += $(c <<
41 $(c <<
42 cflags-$(CONFIG_CPU_SH4AL_DSP) += $(c <<
43 22
44 ifeq ($(cflags-y),) !! 23 cflags-$(CONFIG_4xx) += -Wa,-m405
45 # !! 24 cflags-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
46 # In the case where we are stuck with a compil <<
47 # restricted to a particular ISA, a favourite <<
48 # extensive multilib targets are not provided, <<
49 # regarding FP generation. This is intentional <<
50 # orders of magnitude less than GCC's default <<
51 # with a large number of multilib targets bett <<
52 # correctly for the target in mind. <<
53 # <<
54 cflags-y += $(shell $(CC) $(KBUILD_CFLA <<
55 grep nofpu | sed q | sed <<
56 # At this point, anything goes. <<
57 isaflags-y := $(call as-option,-Wa$(comma <<
58 else <<
59 # <<
60 # -Wa,-isa= tuning implies -Wa,-dsp for the ve <<
61 # support it, while -Wa,-dsp by itself limits <<
62 # on certain CPU subtypes. Try the ISA variant <<
63 # fall back on -Wa,-dsp for the old binutils v <<
64 # opcodes, we always want the best ISA tuning <<
65 # will provide. <<
66 # <<
67 isaflags-y := $(call as-option,-Wa$(comma <<
68 25
69 isaflags-$(CONFIG_SH_DSP) := \ !! 26 CFLAGS += $(cflags-y)
70 $(call as-option,-Wa$(comma)-isa=$(isa <<
71 endif <<
72 27
73 cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb <<
74 cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml <<
75 28
76 cflags-y += $(call cc-option,-mno-fdpic !! 29 head-y := arch/ppc/kernel/head.o
77 cflags-y += $(isaflags-y) -ffreestandin !! 30 head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o
>> 31 head-$(CONFIG_4xx) := arch/ppc/kernel/head_4xx.o
>> 32 head-$(CONFIG_44x) := arch/ppc/kernel/head_44x.o
78 33
79 OBJCOPYFLAGS := -O binary -R .note -R .note !! 34 head-$(CONFIG_6xx) += arch/ppc/kernel/idle_6xx.o
80 -R .stab -R .stabstr -S !! 35 head-$(CONFIG_POWER4) += arch/ppc/kernel/idle_power4.o
81 36
82 # Give the various platforms the opportunity t !! 37 core-y += arch/ppc/kernel/ arch/ppc/platforms/ \
83 defaultimage-y !! 38 arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
84 defaultimage-$(CONFIG_SH_SH7785LCR) !! 39 core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/
85 defaultimage-$(CONFIG_SH_RSK) !! 40 core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
86 defaultimage-$(CONFIG_SH_URQUELL) !! 41 core-$(CONFIG_XMON) += arch/ppc/xmon/
87 defaultimage-$(CONFIG_SH_MIGOR) !! 42 core-$(CONFIG_APUS) += arch/ppc/amiga/
88 defaultimage-$(CONFIG_SH_AP325RXA) !! 43 drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/
89 defaultimage-$(CONFIG_SH_SH7757LCR) !! 44 drivers-$(CONFIG_4xx) += arch/ppc/4xx_io/
90 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) !! 45 drivers-$(CONFIG_8260) += arch/ppc/8260_io/
91 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) !! 46 drivers-$(CONFIG_OCP) += arch/ppc/ocp/
92 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) <<
93 <<
94 # Set some sensible Kbuild defaults <<
95 boot := arch/sh/boot <<
96 KBUILD_IMAGE := $(boot)/$(defaultim <<
97 47
98 # !! 48 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
99 # Choosing incompatible machines durings confi <<
100 # error messages during linking. <<
101 # <<
102 UTS_MACHINE := sh <<
103 LDFLAGS_vmlinux += -e _stext <<
104 49
105 ifdef CONFIG_CPU_LITTLE_ENDIAN !! 50 .PHONY: $(BOOT_TARGETS)
106 ld-bfd := elf32-sh-linux <<
107 LDFLAGS_vmlinux += --defsym jiffies=ji <<
108 KBUILD_LDFLAGS += -EL <<
109 else <<
110 ld-bfd := elf32-shbig-linux <<
111 LDFLAGS_vmlinux += --defsym jiffies=ji <<
112 KBUILD_LDFLAGS += -EB <<
113 endif <<
114 51
115 export ld-bfd !! 52 all: zImage
116 53
117 # Mach groups !! 54 AFLAGS_vmlinux.lds.o := -Upowerpc
118 machdir-$(CONFIG_SOLUTION_ENGINE) <<
119 machdir-$(CONFIG_SH_DREAMCAST) <<
120 machdir-$(CONFIG_SH_SH03) <<
121 machdir-$(CONFIG_SH_MIGOR) <<
122 machdir-$(CONFIG_SH_KFR2R09) <<
123 machdir-$(CONFIG_SH_ECOVEC) <<
124 machdir-$(CONFIG_SH_SDK7786) <<
125 machdir-$(CONFIG_SH_X3PROTO) <<
126 machdir-$(CONFIG_SH_LANDISK) <<
127 machdir-y <<
128 55
129 # !! 56 # All the instructions talk about "make bzImage".
130 # CPU header paths !! 57 bzImage: zImage
131 # <<
132 # These are ordered by optimization level. A C <<
133 # of another (ie, SH-2A / SH-2), is picked up <<
134 # levels of genericness if nothing more suitab <<
135 # hierarchy. <<
136 # <<
137 # As an example, in order of preference, SH-2A <<
138 # <<
139 cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a <<
140 cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 <<
141 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 <<
142 cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a <<
143 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 <<
144 cpuincdir-y += cpu-common <<
145 <<
146 drivers-y += arch/sh/dri <<
147 <<
148 KBUILD_CPPFLAGS += $(addprefix -I $(sr <<
149 KBUILD_CFLAGS += -pipe $(cflags-y) <<
150 KBUILD_AFLAGS += $(cflags-y) <<
151 58
152 ifeq ($(CONFIG_MCOUNT),y) !! 59 boot := arch/$(ARCH)/boot
153 KBUILD_CFLAGS += -pg <<
154 endif <<
155 60
156 ifeq ($(CONFIG_DWARF_UNWINDER),y) !! 61 $(BOOT_TARGETS): vmlinux
157 KBUILD_CFLAGS += -fasynchronous-unwind-table !! 62 $(Q)$(MAKE) $(build)=$(boot) $@
158 endif <<
159 63
160 libs-y := arch/sh/lib/ $(libs !! 64 uImage: vmlinux
>> 65 $(Q)$(MAKE) $(build)=$(boot)/images $(boot)/images/$@
161 66
162 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uIm !! 67 define archhelp
163 uImage.srec uImage.bin zImage v !! 68 @echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/images/zImage.*)'
164 romImage !! 69 @echo ' uImage - Create a bootable image for U-Boot / PPCBoot'
165 PHONY += $(BOOT_TARGETS) !! 70 @echo ' install - Install kernel using'
>> 71 @echo ' (your) ~/bin/installkernel or'
>> 72 @echo ' (distribution) /sbin/installkernel or'
>> 73 @echo ' install to $$(INSTALL_PATH) and run lilo'
>> 74 @echo ' *_defconfig - Select default config from arch/$(ARCH)/ppc/configs'
>> 75 endef
166 76
167 all: $(notdir $(KBUILD_IMAGE)) !! 77 archclean:
>> 78 $(Q)$(MAKE) $(clean)=arch/ppc/boot
168 79
169 $(BOOT_TARGETS): vmlinux !! 80 prepare: include/asm-$(ARCH)/offsets.h checkbin
170 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$ <<
171 81
172 compressed: zImage !! 82 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
>> 83 include/config/MARKER
173 84
174 archprepare: !! 85 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
175 $(Q)$(MAKE) $(build)=arch/sh/tools inc !! 86 $(call filechk,gen-asm-offsets)
176 87
177 archheaders: !! 88 ifdef CONFIG_6xx
178 $(Q)$(MAKE) $(build)=arch/sh/kernel/sy !! 89 # Ensure this is binutils 2.12.1 (or 2.12.90.0.7) or later
>> 90 NEW_AS := $(shell echo dssall | $(AS) -o /dev/null >/dev/null 2>&1 ; echo $$?)
>> 91 GOODVER := 2.12.1
>> 92 else
>> 93 NEW_AS := 0
>> 94 endif
179 95
180 define archhelp !! 96 ifneq ($(NEW_AS),0)
181 @echo ' zImage - C !! 97 checkbin:
182 @echo ' romImage - C !! 98 @echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build'
183 @echo ' vmlinux.srec - C !! 99 @echo 'correctly with old versions of binutils.'
184 @echo ' vmlinux.bin - C !! 100 @echo '*** Please upgrade your binutils to ${GOODVER} or newer'
185 @echo '* uImage - A !! 101 @false
186 @echo ' uImage.srec - C !! 102 else
187 @echo ' uImage.bin - K !! 103 checkbin:
188 @echo '* uImage.gz - K !! 104 @true
189 @echo ' uImage.bz2 - K !! 105 endif
190 @echo ' uImage.lzma - K !! 106
191 @echo ' uImage.xz - K !! 107 CLEAN_FILES += include/asm-$(ARCH)/offsets.h \
192 @echo ' uImage.lzo - K !! 108 arch/$(ARCH)/kernel/asm-offsets.s
193 endef <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.