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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.
3#
4# Author: Tom Rini <trini@mvista.com>
5#
6# Notes:
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
18# address.
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.
23
24boot := arch/ppc/boot
25common := $(boot)/common
26utils := $(boot)/utils
27bootlib := $(boot)/lib
28images := $(boot)/images
29of1275 := $(boot)/of1275
30tftpboot := /tftpboot
31
32# Normally, we use the 'misc.c' file for decompress_kernel and
33# whatnot. Sometimes we need to override this however.
34misc-y := misc.o
35
36# Normally, we have our images end in .elf, but something we want to
37# change this.
38end-y := elf
39
40# Additionally, we normally don't need to mess with the L2 / L3 caches
41# if present on 'classic' PPC.
42cacheflag-y := -DCLEAR_CACHES=""
43# This file will flush / disable the L2, and L3 if present.
44clear_L2_L3 := $(srctree)/$(boot)/simple/clear.S
45
46#
47# See arch/ppc/kconfig and arch/ppc/platforms/Kconfig
48# for definition of what platform each config option refer to.
49#----------------------------------------------------------------------------
50 zimage-$(CONFIG_CPCI690) := zImage-STRIPELF
51zimageinitrd-$(CONFIG_CPCI690) := zImage.initrd-STRIPELF
52 extra.o-$(CONFIG_CPCI690) := misc-cpci690.o
53 end-$(CONFIG_CPCI690) := cpci690
54 cacheflag-$(CONFIG_CPCI690) := -include $(clear_L2_L3)
55
56 zimage-$(CONFIG_IBM_OPENBIOS) := zImage-TREE
57zimageinitrd-$(CONFIG_IBM_OPENBIOS) := zImage.initrd-TREE
58 end-$(CONFIG_IBM_OPENBIOS) := treeboot
59 misc-$(CONFIG_IBM_OPENBIOS) := misc-embedded.o
60
61 end-$(CONFIG_EMBEDDEDBOOT) := embedded
62 misc-$(CONFIG_EMBEDDEDBOOT) := misc-embedded.o
63
64 zimage-$(CONFIG_EBONY) := zImage-TREE
65zimageinitrd-$(CONFIG_EBONY) := zImage.initrd-TREE
66 end-$(CONFIG_EBONY) := ebony
67 entrypoint-$(CONFIG_EBONY) := 0x01000000
68 extra.o-$(CONFIG_EBONY) := openbios.o
69
70 zimage-$(CONFIG_LUAN) := zImage-TREE
71zimageinitrd-$(CONFIG_LUAN) := zImage.initrd-TREE
72 end-$(CONFIG_LUAN) := luan
73 entrypoint-$(CONFIG_LUAN) := 0x01000000
74 extra.o-$(CONFIG_LUAN) := pibs.o
75
76 zimage-$(CONFIG_OCOTEA) := zImage-TREE
77zimageinitrd-$(CONFIG_OCOTEA) := zImage.initrd-TREE
78 end-$(CONFIG_OCOTEA) := ocotea
79 entrypoint-$(CONFIG_OCOTEA) := 0x01000000
80 extra.o-$(CONFIG_OCOTEA) := pibs.o
81
82 extra.o-$(CONFIG_EV64260) := misc-ev64260.o
83 end-$(CONFIG_EV64260) := ev64260
84 cacheflag-$(CONFIG_EV64260) := -include $(clear_L2_L3)
85
86 extra.o-$(CONFIG_CHESTNUT) := misc-chestnut.o
87 end-$(CONFIG_CHESTNUT) := chestnut
88
89 zimage-$(CONFIG_GEMINI) := zImage-STRIPELF
90zimageinitrd-$(CONFIG_GEMINI) := zImage.initrd-STRIPELF
91 end-$(CONFIG_GEMINI) := gemini
92
93 extra.o-$(CONFIG_K2) := prepmap.o
94 end-$(CONFIG_K2) := k2
95 cacheflag-$(CONFIG_K2) := -include $(clear_L2_L3)
96
97 extra.o-$(CONFIG_KATANA) := misc-katana.o
98 end-$(CONFIG_KATANA) := katana
99 cacheflag-$(CONFIG_KATANA) := -include $(clear_L2_L3)
100
101 extra.o-$(CONFIG_RADSTONE_PPC7D) := misc-radstone_ppc7d.o
102 end-$(CONFIG_RADSTONE_PPC7D) := radstone_ppc7d
103 cacheflag-$(CONFIG_RADSTONE_PPC7D) := -include $(clear_L2_L3)
104
105# kconfig 'feature', only one of these will ever be 'y' at a time.
106# The rest will be unset.
107motorola := $(CONFIG_MCPN765)$(CONFIG_MVME5100)$(CONFIG_PRPMC750) \
108$(CONFIG_PRPMC800)$(CONFIG_LOPEC)$(CONFIG_PPLUS)
109motorola := $(strip $(motorola))
110pcore := $(CONFIG_PCORE)$(CONFIG_POWERPMC250)
111
112 zimage-$(motorola) := zImage-PPLUS
113zimageinitrd-$(motorola) := zImage.initrd-PPLUS
114 end-$(motorola) := pplus
115
116# Overrides previous assingment
117 extra.o-$(CONFIG_PPLUS) := prepmap.o
118 extra.o-$(CONFIG_LOPEC) := mpc10x_memory.o
119
120 zimage-$(pcore) := zImage-STRIPELF
121zimageinitrd-$(pcore) := zImage.initrd-STRIPELF
122 extra.o-$(pcore) := chrpmap.o
123 end-$(pcore) := pcore
124 cacheflag-$(pcore) := -include $(clear_L2_L3)
125
126# Really only valid if CONFIG_6xx=y
127 zimage-$(CONFIG_PPC_PREP) := zImage-PPLUS
128zimageinitrd-$(CONFIG_PPC_PREP) := zImage.initrd-PPLUS
129ifeq ($(CONFIG_6xx),y)
130 extra.o-$(CONFIG_PPC_PREP) := prepmap.o
131 misc-$(CONFIG_PPC_PREP) += misc-prep.o mpc10x_memory.o
132endif
133 end-$(CONFIG_PPC_PREP) := prep
134
135 end-$(CONFIG_SANDPOINT) := sandpoint
136 cacheflag-$(CONFIG_SANDPOINT) := -include $(clear_L2_L3)
137
138 zimage-$(CONFIG_SPRUCE) := zImage-TREE
139zimageinitrd-$(CONFIG_SPRUCE) := zImage.initrd-TREE
140 end-$(CONFIG_SPRUCE) := spruce
141 entrypoint-$(CONFIG_SPRUCE) := 0x00800000
142 misc-$(CONFIG_SPRUCE) += misc-spruce.o
143
144 zimage-$(CONFIG_LITE5200) := zImage-STRIPELF
145zimageinitrd-$(CONFIG_LITE5200) := zImage.initrd-STRIPELF
146 end-$(CONFIG_LITE5200) := lite5200
147 cacheflag-$(CONFIG_LITE5200) := -include $(clear_L2_L3)
148
149
150# SMP images should have a '.smp' suffix.
151 end-$(CONFIG_SMP) := $(end-y).smp
152
153# This is a treeboot that needs init functions until the
154# boot rom is sorted out (i.e. this is short lived)
155extra-aflags-$(CONFIG_REDWOOD_4) := -Wa,-m405
156extra.o-$(CONFIG_REDWOOD_4) := rw4/rw4_init.o rw4/rw4_init_brd.o
157EXTRA_AFLAGS := $(extra-aflags-y)
158# head.o needs to get the cacheflags defined.
159AFLAGS_head.o += $(cacheflag-y)
160
161# Linker args. This specifies where the image will be run at.
162LD_ARGS := -T $(srctree)/$(boot)/ld.script \
163 -Ttext $(CONFIG_BOOT_LOAD) -Bstatic
164OBJCOPY_ARGS := -O elf32-powerpc
165
166# head.o and relocate.o must be at the start.
167boot-y := head.o relocate.o $(extra.o-y) $(misc-y)
168boot-$(CONFIG_40x) += embed_config.o
169boot-$(CONFIG_8xx) += embed_config.o
170boot-$(CONFIG_8260) += embed_config.o
171boot-$(CONFIG_BSEIP) += iic.o
172boot-$(CONFIG_MBX) += iic.o pci.o qspan_pci.o
173boot-$(CONFIG_MV64X60) += misc-mv64x60.o
174boot-$(CONFIG_RPXCLASSIC) += iic.o pci.o qspan_pci.o
175boot-$(CONFIG_RPXLITE) += iic.o
176# Different boards need different serial implementations.
177ifeq ($(CONFIG_SERIAL_CPM_CONSOLE),y)
178boot-$(CONFIG_8xx) += m8xx_tty.o
179boot-$(CONFIG_8260) += m8260_tty.o
180endif
181boot-$(CONFIG_SERIAL_MPC52xx_CONSOLE) += mpc52xx_tty.o
182boot-$(CONFIG_SERIAL_MPSC_CONSOLE) += mv64x60_tty.o
183
184LIBS := $(common)/lib.a $(bootlib)/lib.a
185ifeq ($(CONFIG_PPC_PREP),y)
186LIBS += $(of1275)/lib.a
187endif
188
189OBJS := $(addprefix $(obj)/,$(boot-y))
190
191# Tools
192MKBUGBOOT := $(utils)/mkbugboot
193MKPREP := $(utils)/mkprep
194MKTREE := $(utils)/mktree
195
196targets := dummy.o
197
198$(obj)/zvmlinux: $(OBJS) $(LIBS) $(srctree)/$(boot)/ld.script \
199 $(images)/vmlinux.gz $(obj)/dummy.o
200 $(OBJCOPY) $(OBJCOPY_ARGS) \
201 --add-section=.image=$(images)/vmlinux.gz \
202 --set-section-flags=.image=contents,alloc,load,readonly,data \
203 $(obj)/dummy.o $(obj)/image.o
204 $(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
205 $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
206 -R .stabstr -R .ramdisk -R .sysmap
207
208$(obj)/zvmlinux.initrd: $(OBJS) $(LIBS) $(srctree)/$(boot)/ld.script \
209 $(images)/vmlinux.gz $(obj)/dummy.o
210 $(OBJCOPY) $(OBJCOPY_ARGS) \
211 --add-section=.ramdisk=$(images)/ramdisk.image.gz \
212 --set-section-flags=.ramdisk=contents,alloc,load,readonly,data \
213 --add-section=.image=$(images)/vmlinux.gz \
214 --set-section-flags=.image=contents,alloc,load,readonly,data \
215 $(obj)/dummy.o $(obj)/image.o
216 $(LD) $(LD_ARGS) -o $@ $(OBJS) $(obj)/image.o $(LIBS)
217 $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab \
218 -R .stabstr -R .sysmap
219
220# Sort-of dummy rules, that let us format the image we want.
221zImage: $(images)/$(zimage-y) $(obj)/zvmlinux
222 cp -f $(obj)/zvmlinux $(images)/zImage.elf
223 rm -f $(obj)/zvmlinux
224
225zImage.initrd: $(images)/$(zimageinitrd-y) $(obj)/zvmlinux.initrd
226 cp -f $(obj)/zvmlinux.initrd $(images)/zImage.initrd.elf
227 rm -f $(obj)/zvmlinux.initrd
228
229znetboot: zImage
230 cp $(images)/zImage.$(end-y) $(tftpboot)/zImage.$(end-y)
231
232znetboot.initrd: zImage.initrd
233 cp $(images)/zImage.initrd.$(end-y) $(tftpboot)/zImage.initrd.$(end-y)
234
235$(images)/zImage-STRIPELF: $(obj)/zvmlinux
236 dd if=$(obj)/zvmlinux of=$(images)/zImage.$(end-y) skip=64 bs=1k
237
238$(images)/zImage.initrd-STRIPELF: $(obj)/zvmlinux.initrd
239 dd if=$(obj)/zvmlinux.initrd of=$(images)/zImage.initrd.$(end-y) \
240 skip=64 bs=1k
241
242$(images)/zImage-TREE: $(obj)/zvmlinux $(MKTREE)
243 $(MKTREE) $(obj)/zvmlinux $(images)/zImage.$(end-y) $(ENTRYPOINT)
244
245$(images)/zImage.initrd-TREE: $(obj)/zvmlinux.initrd $(MKTREE)
246 $(MKTREE) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.$(end-y) \
247 $(ENTRYPOINT)
248
249$(images)/zImage-PPLUS: $(obj)/zvmlinux $(MKPREP) $(MKBUGBOOT)
250 $(MKPREP) -pbp $(obj)/zvmlinux $(images)/zImage.$(end-y)
251 $(MKBUGBOOT) $(obj)/zvmlinux $(images)/zImage.bugboot
252
253$(images)/zImage.initrd-PPLUS: $(obj)/zvmlinux.initrd $(MKPREP) $(MKBUGBOOT)
254 $(MKPREP) -pbp $(obj)/zvmlinux.initrd $(images)/zImage.initrd.$(end-y)
255 $(MKBUGBOOT) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.bugboot