1 # This is far from simple, but I couldn't think of a good name. This is
2 # for making the 'zImage' or 'zImage.initrd' on a number of targets.
4 # Author: Tom Rini <trini@mvista.com>
7 # (1) For machines that do not want to use the ELF image directly (including
8 # stripping just the ELF header off), they must set the variables
9 # zimage-$(CONFIG_MACHINE) and zimagerd-$(CONFIG_MACHINE) to the target
10 # that produces the desired image and they must set end-$(CONFIG_MACHINE)
11 # to what will be suffixed to the image filename.
12 # (2) Regardless of (1), to have the resulting image be something other
13 # than 'zImage.elf', set end-$(CONFIG_MACHINE) to be the suffix used for
14 # the zImage, znetboot, and znetbootrd targets.
15 # (3) For machine targets which use the mktree program, you can optionally
16 # set entrypoint-$(CONFIG_MACHINE) to the location which the image should be
17 # loaded at. The optimal setting for entrypoint-$(CONFIG_MACHINE) is the link
19 # (4) It is advisable to pass in the memory size using BI_MEMSIZE and
20 # get_mem_size(), which is memory controller dependent. Add in the correct
21 # XXX_memory.o file for this to work, as well as editing the
22 # misc-$(CONFIG_MACHINE) variable.
25 common
:= $(boot
)/common
26 utils
:= $(boot
)/utils
27 bootlib
:= $(boot
)/lib
28 images
:= $(boot
)/images
29 of1275
:= $(boot
)/of1275
32 # Normally, we use the 'misc.c' file for decompress_kernel and
33 # whatnot. Sometimes we need to override this however.
36 # Normally, we have our images end in .elf, but something we want to
40 # Additionally, we normally don't need to mess with the L2 / L3 caches
41 # if present on 'classic' PPC.
42 cacheflag-y
:= -DCLEAR_CACHES
=""
43 # This file will flush / disable the L2, and L3 if present.
44 clear_L2_L3
:= $(boot
)/simple
/clear.S
47 # See arch/ppc/kconfig and arch/ppc/platforms/Kconfig
48 # for definition of what platform each config option refer to.
49 #----------------------------------------------------------------------------
50 zimage-
$(CONFIG_IBM_OPENBIOS
) := zImage-TREE
51 zimageinitrd-
$(CONFIG_IBM_OPENBIOS
) := zImage.initrd-TREE
52 end-
$(CONFIG_IBM_OPENBIOS
) := treeboot
53 misc-
$(CONFIG_IBM_OPENBIOS
) := misc-embedded.o
55 end-
$(CONFIG_EMBEDDEDBOOT
) := embedded
56 misc-
$(CONFIG_EMBEDDEDBOOT
) := misc-embedded.o
58 zimage-
$(CONFIG_EBONY
) := zImage-TREE
59 zimageinitrd-
$(CONFIG_EBONY
) := zImage.initrd-TREE
60 end-
$(CONFIG_EBONY
) := ebony
61 entrypoint-
$(CONFIG_EBONY
) := 0x01000000
63 zimage-
$(CONFIG_OCOTEA
) := zImage-TREE
64 zimageinitrd-
$(CONFIG_OCOTEA
) := zImage.initrd-TREE
65 end-
$(CONFIG_OCOTEA
) := ocotea
66 entrypoint-
$(CONFIG_OCOTEA
) := 0x01000000
67 extra.o-
$(CONFIG_OCOTEA
) := pibs.o
69 extra.o-
$(CONFIG_EV64260
) := direct.o misc-ev64260.o
70 end-
$(CONFIG_EV64260
) := ev64260
71 cacheflag-
$(CONFIG_EV64260
) := -include $(clear_L2_L3
)
73 zimage-
$(CONFIG_GEMINI
) := zImage-STRIPELF
74 zimageinitrd-
$(CONFIG_GEMINI
) := zImage.initrd-STRIPELF
75 end-
$(CONFIG_GEMINI
) := gemini
77 extra.o-
$(CONFIG_K2
) := prepmap.o
78 end-
$(CONFIG_K2
) := k2
79 cacheflag-
$(CONFIG_K2
) := -include $(clear_L2_L3
)
81 # kconfig 'feature', only one of these will ever be 'y' at a time.
82 # The rest will be unset.
83 motorola
:= $(CONFIG_MCPN765
)$(CONFIG_MVME5100
)$(CONFIG_PRPMC750
) \
84 $(CONFIG_PRPMC800
)$(CONFIG_LOPEC
)$(CONFIG_PPLUS
)
85 motorola
:= $(strip $(motorola
))
86 pcore
:= $(CONFIG_PCORE
)$(CONFIG_POWERPMC250
)
88 zimage-
$(motorola
) := zImage-PPLUS
89 zimageinitrd-
$(motorola
) := zImage.initrd-PPLUS
90 end-
$(motorola
) := pplus
92 # Overrides previous assingment
93 extra.o-
$(CONFIG_PPLUS
) := prepmap.o
94 extra.o-
$(CONFIG_LOPEC
) := mpc10x_memory.o
96 zimage-
$(pcore
) := zImage-STRIPELF
97 zimageinitrd-
$(pcore
) := zImage.initrd-STRIPELF
98 extra.o-
$(pcore
) := chrpmap.o
100 cacheflag-
$(pcore
) := -include $(clear_L2_L3
)
102 zimage-
$(CONFIG_PPC_PREP
) := zImage-PPLUS
103 zimageinitrd-
$(CONFIG_PPC_PREP
) := zImage.initrd-PPLUS
104 extra.o-
$(CONFIG_PPC_PREP
) := prepmap.o
105 misc-
$(CONFIG_PPC_PREP
) += misc-prep.o mpc10x_memory.o
106 end-
$(CONFIG_PPC_PREP
) := prep
108 end-
$(CONFIG_SANDPOINT
) := sandpoint
109 cacheflag-
$(CONFIG_SANDPOINT
) := -include $(clear_L2_L3
)
111 zimage-
$(CONFIG_SPRUCE
) := zImage-TREE
112 zimageinitrd-
$(CONFIG_SPRUCE
) := zImage.initrd-TREE
113 end-
$(CONFIG_SPRUCE
) := spruce
114 entrypoint-
$(CONFIG_SPRUCE
) := 0x00800000
115 misc-
$(CONFIG_SPRUCE
) += misc-spruce.o
117 zimage-
$(CONFIG_LITE5200
) := zImage-STRIPELF
118 zimageinitrd-
$(CONFIG_LITE5200
) := zImage.initrd-STRIPELF
119 end-
$(CONFIG_LITE5200
) := lite5200
120 cacheflag-
$(CONFIG_LITE5200
) := -include $(clear_L2_L3
)
123 # SMP images should have a '.smp' suffix.
124 end-
$(CONFIG_SMP
) := $(end-y
).smp
126 # This is a treeboot that needs init functions until the
127 # boot rom is sorted out (i.e. this is short lived)
128 extra-aflags-
$(CONFIG_REDWOOD_4
) := -Wa
,-m405
129 extra.o-
$(CONFIG_REDWOOD_4
) := rw4
/rw4_init.o rw4
/rw4_init_brd.o
130 EXTRA_AFLAGS
:= $(extra-aflags-y
)
131 # head.o needs to get the cacheflags defined.
132 AFLAGS_head.o
+= $(cacheflag-y
)
134 # Linker args. This specifies where the image will be run at.
135 LD_ARGS
:= -T
$(srctree
)/$(boot
)/ld.script \
136 -Ttext
$(CONFIG_BOOT_LOAD
) -Bstatic
137 OBJCOPY_ARGS
:= -O elf32-powerpc
139 # head.o and relocate.o must be at the start.
140 boot-y
:= head.o relocate.o
$(extra.o-y
) $(misc-y
)
141 boot-
$(CONFIG_40x
) += embed_config.o
142 boot-
$(CONFIG_8xx
) += embed_config.o
143 boot-
$(CONFIG_8260
) += embed_config.o
144 boot-
$(CONFIG_BSEIP
) += iic.o
145 boot-
$(CONFIG_MBX
) += iic.o pci.o qspan_pci.o
146 boot-
$(CONFIG_RPXCLASSIC
) += iic.o pci.o qspan_pci.o
147 boot-
$(CONFIG_RPXLITE
) += iic.o
148 # Different boards need different serial implementations.
149 ifeq ($(CONFIG_SERIAL_CPM_CONSOLE
),y
)
150 boot-
$(CONFIG_8xx
) += m8xx_tty.o
151 boot-
$(CONFIG_8260
) += m8260_tty.o
153 boot-
$(CONFIG_SERIAL_MPC52xx_CONSOLE
) += mpc52xx_tty.o
154 boot-
$(CONFIG_GT64260_CONSOLE
) += gt64260_tty.o
156 LIBS
:= $(common
)/lib.a
$(bootlib
)/lib.a
157 ifeq ($(CONFIG_PPC_PREP
),y
)
158 LIBS
+= $(of1275
)/lib.a
161 OBJS
:= $(addprefix $(obj
)/,$(boot-y
))
164 MKBUGBOOT
:= $(utils
)/mkbugboot
165 MKPREP
:= $(utils
)/mkprep
166 MKTREE
:= $(utils
)/mktree
170 $(obj
)/zvmlinux
: $(OBJS
) $(LIBS
) $(srctree
)/$(boot
)/ld.script \
171 $(images
)/vmlinux.gz
$(obj
)/dummy.o
172 $(OBJCOPY
) $(OBJCOPY_ARGS
) \
173 --add-section
=.image
=$(images
)/vmlinux.gz \
174 --set-section-flags
=.image
=contents
,alloc
,load
,readonly
,data \
175 $(obj
)/dummy.o
$(obj
)/image.o
176 $(LD
) $(LD_ARGS
) -o
$@
$(OBJS
) $(obj
)/image.o
$(LIBS
)
177 $(OBJCOPY
) $(OBJCOPY_ARGS
) $@
$@
-R .comment
-R .stab \
178 -R .stabstr
-R .ramdisk
-R .sysmap
180 $(obj
)/zvmlinux.initrd
: $(OBJS
) $(LIBS
) $(srctree
)/$(boot
)/ld.script \
181 $(images
)/vmlinux.gz
$(obj
)/dummy.o
182 $(OBJCOPY
) $(OBJCOPY_ARGS
) \
183 --add-section
=.ramdisk
=$(images
)/ramdisk.image.gz \
184 --set-section-flags
=.ramdisk
=contents
,alloc
,load
,readonly
,data \
185 --add-section
=.image
=$(images
)/vmlinux.gz \
186 --set-section-flags
=.image
=contents
,alloc
,load
,readonly
,data \
187 $(obj
)/dummy.o
$(obj
)/image.o
188 $(LD
) $(LD_ARGS
) -o
$@
$(OBJS
) $(obj
)/image.o
$(LIBS
)
189 $(OBJCOPY
) $(OBJCOPY_ARGS
) $@
$@
-R .comment
-R .stab \
190 -R .stabstr
-R .sysmap
192 # Sort-of dummy rules, that let us format the image we want.
193 zImage
: $(images
)/$(zimage-y
) $(obj
)/zvmlinux
194 cp
-f
$(obj
)/zvmlinux
$(images
)/zImage.elf
195 rm -f
$(obj
)/zvmlinux
197 zImage.initrd
: $(images
)/$(zimageinitrd-y
) $(obj
)/zvmlinux.initrd
198 cp
-f
$(obj
)/zvmlinux.initrd
$(images
)/zImage.initrd.elf
199 rm -f
$(obj
)/zvmlinux.initrd
202 cp
$(images
)/zImage.
$(end-y
) $(tftpboot
)/zImage.
$(end-y
)
204 znetboot.initrd
: zImage.initrd
205 cp
$(images
)/zImage.initrd.
$(end-y
) $(tftpboot
)/zImage.initrd.
$(end-y
)
207 $(images
)/zImage-STRIPELF
: $(obj
)/zvmlinux
208 dd if
=$(obj
)/zvmlinux of
=$(images
)/zImage.
$(end-y
) skip
=64 bs
=1k
210 $(images
)/zImage.initrd-STRIPELF
: $(obj
)/zvmlinux.initrd
211 dd if
=$(obj
)/zvmlinux.initrd of
=$(images
)/zImage.initrd.
$(end-y
) \
214 $(images
)/zImage-TREE
: $(obj
)/zvmlinux
$(MKTREE
)
215 $(MKTREE
) $(obj
)/zvmlinux
$(images
)/zImage.
$(end-y
) $(ENTRYPOINT
)
217 $(images
)/zImage.initrd-TREE
: $(obj
)/zvmlinux.initrd
$(MKTREE
)
218 $(MKTREE
) $(obj
)/zvmlinux.initrd
$(images
)/zImage.initrd.
$(end-y
) \
221 $(images
)/zImage-PPLUS
: $(obj
)/zvmlinux
$(MKPREP
) $(MKBUGBOOT
)
222 $(MKPREP
) -pbp
$(obj
)/zvmlinux
$(images
)/zImage.
$(end-y
)
223 $(MKBUGBOOT
) $(obj
)/zvmlinux
$(images
)/zImage.bugboot
225 $(images
)/zImage.initrd-PPLUS
: $(obj
)/zvmlinux.initrd
$(MKPREP
) $(MKBUGBOOT
)
226 $(MKPREP
) -pbp
$(obj
)/zvmlinux.initrd
$(images
)/zImage.initrd.
$(end-y
)
227 $(MKBUGBOOT
) $(obj
)/zvmlinux.initrd
$(images
)/zImage.initrd.bugboot
