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1# SPDX-License-Identifier: GPL-2.0
2# Makefile for making ELF bootable images for booting on CHRP
3# using Open Firmware.
4#
5# Geert Uytterhoeven September 1997
6#
7# Based on coffboot by Paul Mackerras
8# Simplified for ppc64 by Todd Inglett
9#
10# NOTE: this code may be built for 32 bit in ELF32 format even though
11# it packages a 64 bit kernel. We do this to simplify the
12# bootloader and increase compatibility with OpenFirmware.
13#
14# To this end we need to define BOOTCC, etc, as the tools
15# needed to build the 32 bit image. That's normally the same
16# compiler for the rest of the kernel, with the -m32 flag added.
17# To make it easier to setup a cross compiler,
18# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
19# in the toplevel makefile.
20
21all: $(obj)/zImage
22
23ifdef CROSS32_COMPILE
24ifdef CONFIG_CC_IS_CLANG
25 BOOTCC := $(CROSS32_COMPILE)clang
26else
27 BOOTCC := $(CROSS32_COMPILE)gcc
28endif
29 BOOTAR := $(CROSS32_COMPILE)ar
30else
31 BOOTCC := $(CC)
32 BOOTAR := $(AR)
33endif
34
35BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
36 -fno-strict-aliasing -O2 -msoft-float -mno-altivec -mno-vsx \
37 $(call cc-option,-mno-spe) $(call cc-option,-mspe=no) \
38 -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
39 $(LINUXINCLUDE)
40
41ifdef CONFIG_PPC64_BOOT_WRAPPER
42ifdef CONFIG_CPU_LITTLE_ENDIAN
43BOOTCFLAGS += -m64 -mcpu=powerpc64le
44else
45BOOTCFLAGS += -m64 -mcpu=powerpc64
46endif
47else
48BOOTCFLAGS += -m32 -mcpu=powerpc
49endif
50
51BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include)
52
53ifdef CONFIG_CPU_BIG_ENDIAN
54BOOTCFLAGS += -mbig-endian
55else
56BOOTCFLAGS += -mlittle-endian
57endif
58ifdef CONFIG_PPC64_ELF_ABI_V2
59BOOTCFLAGS += $(call cc-option,-mabi=elfv2)
60endif
61
62BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -nostdinc
63
64BOOTARFLAGS := -crD
65
66ifdef CONFIG_CC_IS_CLANG
67BOOTCFLAGS += $(CLANG_FLAGS)
68BOOTAFLAGS += $(CLANG_FLAGS)
69endif
70
71ifdef CONFIG_DEBUG_INFO
72BOOTCFLAGS += -g
73endif
74
75ifeq ($(call cc-option-yn, -fstack-protector),y)
76BOOTCFLAGS += -fno-stack-protector
77endif
78
79BOOTCFLAGS += -include $(srctree)/include/linux/compiler_attributes.h
80BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
81
82DTC_FLAGS ?= -p 1024
83
84$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
85$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
86$(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
87$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
88$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
89$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
90$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
91$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
92$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405
93
94# The pre-boot decompressors pull in a lot of kernel headers and other source
95# files. This creates a bit of a dependency headache since we need to copy
96# these files into the build dir, fix up any includes and ensure that dependent
97# files are copied in the right order.
98
99# these need to be seperate variables because they are copied out of different
100# directories in the kernel tree. Sure you COULd merge them, but it's a
101# cure-is-worse-than-disease situation.
102zlib-decomp-$(CONFIG_KERNEL_GZIP) := decompress_inflate.c
103zlib-$(CONFIG_KERNEL_GZIP) := inffast.c inflate.c inftrees.c
104zlibheader-$(CONFIG_KERNEL_GZIP) := inffast.h inffixed.h inflate.h inftrees.h infutil.h
105zliblinuxheader-$(CONFIG_KERNEL_GZIP) := zlib.h zconf.h zutil.h
106
107$(addprefix $(obj)/, decompress.o): \
108 $(addprefix $(obj)/,$(zlib-decomp-y))
109
110$(addprefix $(obj)/, $(zlib-decomp-y)): \
111 $(addprefix $(obj)/,$(zliblinuxheader-y)) \
112 $(addprefix $(obj)/,$(zlibheader-y)) \
113 $(addprefix $(obj)/,$(zlib-y))
114
115$(addprefix $(obj)/,$(zlib-y)): \
116 $(addprefix $(obj)/,$(zliblinuxheader-y)) \
117 $(addprefix $(obj)/,$(zlibheader-y))
118
119libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c
120libfdtheader := fdt.h libfdt.h libfdt_internal.h
121
122$(addprefix $(obj)/,$(libfdt) libfdt-wrapper.o simpleboot.o epapr.o opal.o \
123 treeboot-akebono.o treeboot-currituck.o treeboot-iss4xx.o): \
124 $(addprefix $(obj)/,$(libfdtheader))
125
126src-wlib-y := string.S crt0.S stdio.c decompress.c main.c \
127 $(libfdt) libfdt-wrapper.c \
128 ns16550.c serial.c simple_alloc.c div64.S util.S \
129 elf_util.c $(zlib-y) devtree.c stdlib.c \
130 oflib.c ofconsole.c cuboot.c
131
132src-wlib-$(CONFIG_PPC_MPC52xx) += mpc52xx-psc.c
133src-wlib-$(CONFIG_PPC_POWERNV) += opal-calls.S opal.c
134ifndef CONFIG_PPC64_BOOT_WRAPPER
135src-wlib-y += crtsavres.S
136endif
137src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c
138src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c
139src-wlib-$(CONFIG_PPC_8xx) += mpc8xx.c planetcore.c fsl-soc.c
140src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c
141src-wlib-$(CONFIG_EMBEDDED6xx) += ugecon.c fsl-soc.c
142src-wlib-$(CONFIG_CPM) += cpm-serial.c
143
144src-plat-y := of.c epapr.c
145src-plat-$(CONFIG_40x) += fixed-head.S cuboot-hotfoot.c \
146 cuboot-acadia.c \
147 cuboot-kilauea.c simpleboot.c
148src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \
149 cuboot-bamboo.c cuboot-sam440ep.c \
150 cuboot-sequoia.c cuboot-rainier.c \
151 cuboot-taishan.c cuboot-katmai.c \
152 cuboot-warp.c cuboot-yosemite.c \
153 treeboot-iss4xx.c treeboot-currituck.c \
154 treeboot-akebono.c \
155 simpleboot.c fixed-head.S
156src-plat-$(CONFIG_PPC_8xx) += cuboot-8xx.c fixed-head.S ep88xc.c redboot-8xx.c
157src-plat-$(CONFIG_PPC_MPC52xx) += cuboot-52xx.c
158src-plat-$(CONFIG_PPC_82xx) += cuboot-pq2.c fixed-head.S ep8248e.c cuboot-824x.c
159src-plat-$(CONFIG_PPC_83xx) += cuboot-83xx.c fixed-head.S redboot-83xx.c
160src-plat-$(CONFIG_FSL_SOC_BOOKE) += cuboot-85xx.c cuboot-85xx-cpm2.c
161src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \
162 gamecube-head.S gamecube.c \
163 wii-head.S wii.c holly.c \
164 fixed-head.S mvme5100.c
165src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c
166src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c
167src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c
168src-plat-$(CONFIG_PPC_PSERIES) += pseries-head.S
169src-plat-$(CONFIG_PPC_POWERNV) += pseries-head.S
170src-plat-$(CONFIG_PPC_IBM_CELL_BLADE) += pseries-head.S
171src-plat-$(CONFIG_MVME7100) += motload-head.S mvme7100.c
172
173src-plat-$(CONFIG_PPC_MICROWATT) += fixed-head.S microwatt.c
174
175src-wlib := $(sort $(src-wlib-y))
176src-plat := $(sort $(src-plat-y))
177src-boot := $(src-wlib) $(src-plat) empty.c
178
179src-boot := $(addprefix $(obj)/, $(src-boot))
180obj-boot := $(addsuffix .o, $(basename $(src-boot)))
181obj-wlib := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-wlib))))
182obj-plat := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-plat))))
183obj-plat: $(libfdt)
184
185quiet_cmd_copy_kern_src = COPY $@
186 cmd_copy_kern_src = sed -f $(srctree)/arch/powerpc/boot/fixup-headers.sed $< > $@
187
188$(addprefix $(obj)/,$(zlib-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
189 $(call cmd,copy_kern_src)
190
191$(addprefix $(obj)/,$(zlibheader-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
192 $(call cmd,copy_kern_src)
193
194$(addprefix $(obj)/,$(zliblinuxheader-y)): $(obj)/%: $(srctree)/include/linux/%
195 $(call cmd,copy_kern_src)
196
197$(addprefix $(obj)/,$(zlib-decomp-y)): $(obj)/%: $(srctree)/lib/%
198 $(call cmd,copy_kern_src)
199
200quiet_cmd_copy_libfdt = COPY $@
201 cmd_copy_libfdt = cp $< $@
202
203$(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/%
204 $(call cmd,copy_libfdt)
205
206$(obj)/empty.c:
207 $(Q)touch $@
208
209$(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)/$(src)/%.S
210 $(Q)cp $< $@
211
212clean-files := $(zlib-) $(zlibheader-) $(zliblinuxheader-) \
213 $(zlib-decomp-) $(libfdt) $(libfdtheader) \
214 empty.c zImage.coff.lds zImage.ps3.lds zImage.lds
215
216quiet_cmd_bootcc = BOOTCC $@
217 cmd_bootcc = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
218
219quiet_cmd_bootas = BOOTAS $@
220 cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
221
222quiet_cmd_bootar = BOOTAR $@
223 cmd_bootar = $(BOOTAR) $(BOOTARFLAGS) $@.$$$$ $(real-prereqs); mv $@.$$$$ $@
224
225$(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE
226 $(call if_changed_dep,bootcc)
227$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE
228 $(Q)mkdir -p $(dir $@)
229 $(call if_changed_dep,bootcc)
230$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE
231 $(Q)mkdir -p $(dir $@)
232 $(call if_changed_dep,bootas)
233
234$(obj)/wrapper.a: $(obj-wlib) FORCE
235 $(call if_changed,bootar)
236
237hostprogs := addnote hack-coff mktree
238
239targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) zImage.lds
240extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
241 $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
242
243dtstree := $(srctree)/$(src)/dts
244
245wrapper :=$(srctree)/$(src)/wrapper
246wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \
247 $(wrapper) FORCE
248
249#############
250# Bits for building various flavours of zImage
251
252ifneq ($(CROSS32_COMPILE),)
253CROSSWRAP := -C "$(CROSS32_COMPILE)"
254else
255ifneq ($(CROSS_COMPILE),)
256CROSSWRAP := -C "$(CROSS_COMPILE)"
257endif
258endif
259
260compressor-$(CONFIG_KERNEL_GZIP) := gz
261compressor-$(CONFIG_KERNEL_XZ) := xz
262compressor-$(CONFIG_KERNEL_LZMA) := lzma
263compressor-$(CONFIG_KERNEL_LZO) := lzo
264
265# args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd
266quiet_cmd_wrap = WRAP $@
267 cmd_wrap =$(CONFIG_SHELL) $(wrapper) -Z $(compressor-y) -c -o $@ -p $2 \
268 $(CROSSWRAP) $(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) \
269 vmlinux
270
271image-$(CONFIG_PPC_PSERIES) += zImage.pseries
272image-$(CONFIG_PPC_POWERNV) += zImage.pseries
273image-$(CONFIG_PPC_MAPLE) += zImage.maple
274image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
275image-$(CONFIG_PPC_PS3) += dtbImage.ps3
276image-$(CONFIG_PPC_CHRP) += zImage.chrp
277image-$(CONFIG_PPC_EFIKA) += zImage.chrp
278image-$(CONFIG_PPC_PMAC) += zImage.pmac
279image-$(CONFIG_PPC_HOLLY) += dtbImage.holly
280image-$(CONFIG_DEFAULT_UIMAGE) += uImage
281image-$(CONFIG_EPAPR_BOOT) += zImage.epapr
282
283#
284# Targets which embed a device tree blob
285#
286# Theses are default targets to build images which embed device tree blobs.
287# They are only required on boards which do not have FDT support in firmware.
288# Boards with newish u-boot firmware can use the uImage target above
289#
290
291# Board ports in arch/powerpc/platform/40x/Kconfig
292image-$(CONFIG_HOTFOOT) += cuImage.hotfoot
293image-$(CONFIG_ACADIA) += cuImage.acadia
294image-$(CONFIG_OBS600) += uImage.obs600
295
296# Board ports in arch/powerpc/platform/44x/Kconfig
297image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
298image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
299image-$(CONFIG_SAM440EP) += cuImage.sam440ep
300image-$(CONFIG_SEQUOIA) += cuImage.sequoia
301image-$(CONFIG_RAINIER) += cuImage.rainier
302image-$(CONFIG_TAISHAN) += cuImage.taishan
303image-$(CONFIG_KATMAI) += cuImage.katmai
304image-$(CONFIG_WARP) += cuImage.warp
305image-$(CONFIG_YOSEMITE) += cuImage.yosemite
306image-$(CONFIG_ISS4xx) += treeImage.iss4xx \
307 treeImage.iss4xx-mpic
308image-$(CONFIG_CURRITUCK) += treeImage.currituck
309image-$(CONFIG_AKEBONO) += treeImage.akebono
310
311# Board ports in arch/powerpc/platform/8xx/Kconfig
312image-$(CONFIG_MPC86XADS) += cuImage.mpc866ads
313image-$(CONFIG_MPC885ADS) += cuImage.mpc885ads
314image-$(CONFIG_PPC_EP88XC) += dtbImage.ep88xc
315image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \
316 dtbImage.adder875-redboot
317
318# Board ports in arch/powerpc/platform/52xx/Kconfig
319image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200
320image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200b
321image-$(CONFIG_PPC_MEDIA5200) += cuImage.media5200
322
323# Board ports in arch/powerpc/platform/82xx/Kconfig
324image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads
325image-$(CONFIG_PQ2FADS) += cuImage.pq2fads
326image-$(CONFIG_EP8248E) += dtbImage.ep8248e
327
328# Board ports in arch/powerpc/platform/83xx/Kconfig
329image-$(CONFIG_MPC832x_MDS) += cuImage.mpc832x_mds
330image-$(CONFIG_MPC832x_RDB) += cuImage.mpc832x_rdb
331image-$(CONFIG_MPC834x_ITX) += cuImage.mpc8349emitx \
332 cuImage.mpc8349emitxgp
333image-$(CONFIG_MPC834x_MDS) += cuImage.mpc834x_mds
334image-$(CONFIG_MPC836x_MDS) += cuImage.mpc836x_mds
335image-$(CONFIG_ASP834x) += dtbImage.asp834x-redboot
336
337# Board ports in arch/powerpc/platform/85xx/Kconfig
338image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads
339image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads
340image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \
341 cuImage.mpc8548cds_32b \
342 cuImage.mpc8555cds
343image-$(CONFIG_MPC85xx_MDS) += cuImage.mpc8568mds
344image-$(CONFIG_MPC85xx_DS) += cuImage.mpc8544ds \
345 cuImage.mpc8572ds
346image-$(CONFIG_TQM8540) += cuImage.tqm8540
347image-$(CONFIG_TQM8541) += cuImage.tqm8541
348image-$(CONFIG_TQM8548) += cuImage.tqm8548
349image-$(CONFIG_TQM8555) += cuImage.tqm8555
350image-$(CONFIG_TQM8560) += cuImage.tqm8560
351image-$(CONFIG_KSI8560) += cuImage.ksi8560
352
353# Board ports in arch/powerpc/platform/86xx/Kconfig
354image-$(CONFIG_MVME7100) += dtbImage.mvme7100
355
356# Board ports in arch/powerpc/platform/embedded6xx/Kconfig
357image-$(CONFIG_STORCENTER) += cuImage.storcenter
358image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2
359image-$(CONFIG_GAMECUBE) += dtbImage.gamecube
360image-$(CONFIG_WII) += dtbImage.wii
361image-$(CONFIG_MVME5100) += dtbImage.mvme5100
362
363# Board port in arch/powerpc/platform/amigaone/Kconfig
364image-$(CONFIG_AMIGAONE) += cuImage.amigaone
365
366image-$(CONFIG_PPC_MICROWATT) += dtbImage.microwatt
367
368# For 32-bit powermacs, build the COFF and miboot images
369# as well as the ELF images.
370ifdef CONFIG_PPC32
371image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot
372endif
373
374# Allow extra targets to be added to the defconfig
375image-y += $(CONFIG_EXTRA_TARGETS)
376
377initrd- := $(patsubst zImage%, zImage.initrd%, $(image-))
378initrd-y := $(patsubst zImage%, zImage.initrd%, \
379 $(patsubst dtbImage%, dtbImage.initrd%, \
380 $(patsubst simpleImage%, simpleImage.initrd%, \
381 $(patsubst treeImage%, treeImage.initrd%, $(image-y)))))
382initrd-y := $(filter-out $(image-y), $(initrd-y))
383targets += $(image-y) $(initrd-y)
384targets += $(foreach x, dtbImage uImage cuImage simpleImage treeImage, \
385 $(patsubst $(x).%, dts/%.dtb, $(filter $(x).%, $(image-y))))
386targets += $(foreach x, dtbImage uImage cuImage simpleImage treeImage, \
387 $(patsubst $(x).%, dts/fsl/%.dtb, $(filter $(x).%, $(image-y))))
388
389$(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
390
391# Don't put the ramdisk on the pattern rule; when its missing make will try
392# the pattern rule with less dependencies that also matches (even with the
393# hard dependency listed).
394$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) FORCE
395 $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz)
396
397$(addprefix $(obj)/, $(sort $(filter zImage.%, $(image-y)))): vmlinux $(wrapperbits) FORCE
398 $(call if_changed,wrap,$(subst $(obj)/zImage.,,$@))
399
400# dtbImage% - a dtbImage is a zImage with an embedded device tree blob
401$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
402 $(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
403
404$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
405 $(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb)
406
407# This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
408# prefix
409$(obj)/vmlinux.strip: vmlinux
410 $(STRIP) -s -R .comment $< -o $@
411
412$(obj)/uImage: vmlinux $(wrapperbits) FORCE
413 $(call if_changed,wrap,uboot)
414
415$(obj)/uImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
416 $(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
417
418$(obj)/uImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
419 $(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb)
420
421$(obj)/cuImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
422 $(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
423
424$(obj)/cuImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
425 $(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb)
426
427$(obj)/simpleImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
428 $(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
429
430$(obj)/simpleImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
431 $(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb)
432
433$(obj)/treeImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
434 $(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
435
436$(obj)/treeImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
437 $(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb)
438
439# Needed for the above targets to work with dts/fsl files
440$(obj)/dts/%.dtb: $(obj)/dts/fsl/%.dtb
441 @cp $< $@
442
443# If there isn't a platform selected then just strip the vmlinux.
444ifeq (,$(image-y))
445image-y := vmlinux.strip
446endif
447
448$(obj)/zImage: $(addprefix $(obj)/, $(image-y))
449 $(Q)rm -f $@; ln $< $@
450$(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
451 $(Q)rm -f $@; ln $< $@
452
453# anything not in $(targets)
454clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
455 zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
456 zImage.miboot zImage.pmac zImage.pseries \
457 zImage.maple simpleImage.* otheros.bld
458
459# clean up files cached by wrapper
460clean-kernel-base := vmlinux.strip vmlinux.bin
461clean-kernel := $(addsuffix .gz,$(clean-kernel-base))
462clean-kernel += $(addsuffix .xz,$(clean-kernel-base))
463# clean-files are relative to $(obj).
464clean-files += $(addprefix ../../../, $(clean-kernel))
465
466WRAPPER_OBJDIR := /usr/lib/kernel-wrapper
467WRAPPER_DTSDIR := /usr/lib/kernel-wrapper/dts
468WRAPPER_BINDIR := /usr/sbin
469INSTALL := install
470
471extra-installed := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y))
472hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs))
473wrapper-installed := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper
474dts-installed := $(patsubst $(dtstree)/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(dtstree)/*.dts))
475
476all-installed := $(extra-installed) $(hostprogs-installed) $(wrapper-installed) $(dts-installed)
477
478quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
479 cmd_mkdir = mkdir -p $@
480
481quiet_cmd_install = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,%,$@)
482 cmd_install = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,$(obj)/%,$@) $@
483
484quiet_cmd_install_dts = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,dts/%,$@)
485 cmd_install_dts = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)/$(obj)/dts/%,$@) $@
486
487quiet_cmd_install_exe = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
488 cmd_install_exe = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(obj)/%,$@) $@
489
490quiet_cmd_install_wrapper = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
491 cmd_install_wrapper = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)/$(obj)/%,$@) $@ ;\
492 sed -i $@ -e 's%^object=.*%object=$(WRAPPER_OBJDIR)%' \
493 -e 's%^objbin=.*%objbin=$(WRAPPER_BINDIR)%' \
494
495
496$(DESTDIR)$(WRAPPER_OBJDIR) $(DESTDIR)$(WRAPPER_DTSDIR) $(DESTDIR)$(WRAPPER_BINDIR):
497 $(call cmd,mkdir)
498
499$(extra-installed) : $(DESTDIR)$(WRAPPER_OBJDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_OBJDIR)
500 $(call cmd,install)
501
502$(hostprogs-installed) : $(DESTDIR)$(WRAPPER_BINDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_BINDIR)
503 $(call cmd,install_exe)
504
505$(dts-installed) : $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)/$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR)
506 $(call cmd,install_dts)
507
508$(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)/$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR)
509 $(call cmd,install_wrapper)
510
511$(obj)/bootwrapper_install: $(all-installed)
1# SPDX-License-Identifier: GPL-2.0
2# Makefile for making ELF bootable images for booting on CHRP
3# using Open Firmware.
4#
5# Geert Uytterhoeven September 1997
6#
7# Based on coffboot by Paul Mackerras
8# Simplified for ppc64 by Todd Inglett
9#
10# NOTE: this code may be built for 32 bit in ELF32 format even though
11# it packages a 64 bit kernel. We do this to simplify the
12# bootloader and increase compatibility with OpenFirmware.
13#
14# To this end we need to define BOOTCC, etc, as the tools
15# needed to build the 32 bit image. That's normally the same
16# compiler for the rest of the kernel, with the -m32 flag added.
17# To make it easier to setup a cross compiler,
18# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
19# in the toplevel makefile.
20
21all: $(obj)/zImage
22
23ifdef CROSS32_COMPILE
24ifdef CONFIG_CC_IS_CLANG
25 BOOTCC := $(CROSS32_COMPILE)clang
26else
27 BOOTCC := $(CROSS32_COMPILE)gcc
28endif
29 BOOTAR := $(CROSS32_COMPILE)ar
30else
31 BOOTCC := $(CC)
32 BOOTAR := $(AR)
33endif
34
35BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
36 -fno-strict-aliasing -O2 -msoft-float -mno-altivec -mno-vsx \
37 -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
38 -include $(srctree)/include/linux/compiler_attributes.h \
39 $(LINUXINCLUDE)
40
41ifdef CONFIG_PPC64_BOOT_WRAPPER
42BOOTCFLAGS += -m64
43else
44BOOTCFLAGS += -m32
45endif
46
47BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include)
48
49ifdef CONFIG_CPU_BIG_ENDIAN
50BOOTCFLAGS += -mbig-endian
51else
52BOOTCFLAGS += -mlittle-endian
53BOOTCFLAGS += $(call cc-option,-mabi=elfv2)
54endif
55
56BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -nostdinc
57
58BOOTARFLAGS := -crD
59
60ifdef CONFIG_CC_IS_CLANG
61BOOTCFLAGS += $(CLANG_FLAGS)
62BOOTAFLAGS += $(CLANG_FLAGS)
63endif
64
65ifdef CONFIG_DEBUG_INFO
66BOOTCFLAGS += -g
67endif
68
69ifeq ($(call cc-option-yn, -fstack-protector),y)
70BOOTCFLAGS += -fno-stack-protector
71endif
72
73BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
74
75DTC_FLAGS ?= -p 1024
76
77$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
78$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
79$(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
80$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
81$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
82$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
83$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
84$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
85$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405
86
87# The pre-boot decompressors pull in a lot of kernel headers and other source
88# files. This creates a bit of a dependency headache since we need to copy
89# these files into the build dir, fix up any includes and ensure that dependent
90# files are copied in the right order.
91
92# these need to be seperate variables because they are copied out of different
93# directories in the kernel tree. Sure you COULd merge them, but it's a
94# cure-is-worse-than-disease situation.
95zlib-decomp-$(CONFIG_KERNEL_GZIP) := decompress_inflate.c
96zlib-$(CONFIG_KERNEL_GZIP) := inffast.c inflate.c inftrees.c
97zlibheader-$(CONFIG_KERNEL_GZIP) := inffast.h inffixed.h inflate.h inftrees.h infutil.h
98zliblinuxheader-$(CONFIG_KERNEL_GZIP) := zlib.h zconf.h zutil.h
99
100$(addprefix $(obj)/, decompress.o): \
101 $(addprefix $(obj)/,$(zlib-decomp-y))
102
103$(addprefix $(obj)/, $(zlib-decomp-y)): \
104 $(addprefix $(obj)/,$(zliblinuxheader-y)) \
105 $(addprefix $(obj)/,$(zlibheader-y)) \
106 $(addprefix $(obj)/,$(zlib-y))
107
108$(addprefix $(obj)/,$(zlib-y)): \
109 $(addprefix $(obj)/,$(zliblinuxheader-y)) \
110 $(addprefix $(obj)/,$(zlibheader-y))
111
112libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c
113libfdtheader := fdt.h libfdt.h libfdt_internal.h
114
115$(addprefix $(obj)/,$(libfdt) libfdt-wrapper.o simpleboot.o epapr.o opal.o \
116 treeboot-akebono.o treeboot-currituck.o treeboot-iss4xx.o): \
117 $(addprefix $(obj)/,$(libfdtheader))
118
119src-wlib-y := string.S crt0.S stdio.c decompress.c main.c \
120 $(libfdt) libfdt-wrapper.c \
121 ns16550.c serial.c simple_alloc.c div64.S util.S \
122 elf_util.c $(zlib-y) devtree.c stdlib.c \
123 oflib.c ofconsole.c cuboot.c
124
125src-wlib-$(CONFIG_PPC_MPC52xx) += mpc52xx-psc.c
126src-wlib-$(CONFIG_PPC64_BOOT_WRAPPER) += opal-calls.S opal.c
127ifndef CONFIG_PPC64_BOOT_WRAPPER
128src-wlib-y += crtsavres.S
129endif
130src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c
131src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c
132src-wlib-$(CONFIG_PPC_8xx) += mpc8xx.c planetcore.c fsl-soc.c
133src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c
134src-wlib-$(CONFIG_EMBEDDED6xx) += ugecon.c fsl-soc.c
135src-wlib-$(CONFIG_CPM) += cpm-serial.c
136
137src-plat-y := of.c epapr.c
138src-plat-$(CONFIG_40x) += fixed-head.S cuboot-hotfoot.c \
139 cuboot-acadia.c \
140 cuboot-kilauea.c simpleboot.c
141src-plat-$(CONFIG_44x) += treeboot-ebony.c cuboot-ebony.c treeboot-bamboo.c \
142 cuboot-bamboo.c cuboot-sam440ep.c \
143 cuboot-sequoia.c cuboot-rainier.c \
144 cuboot-taishan.c cuboot-katmai.c \
145 cuboot-warp.c cuboot-yosemite.c \
146 treeboot-iss4xx.c treeboot-currituck.c \
147 treeboot-akebono.c \
148 simpleboot.c fixed-head.S
149src-plat-$(CONFIG_PPC_8xx) += cuboot-8xx.c fixed-head.S ep88xc.c redboot-8xx.c
150src-plat-$(CONFIG_PPC_MPC52xx) += cuboot-52xx.c
151src-plat-$(CONFIG_PPC_82xx) += cuboot-pq2.c fixed-head.S ep8248e.c cuboot-824x.c
152src-plat-$(CONFIG_PPC_83xx) += cuboot-83xx.c fixed-head.S redboot-83xx.c
153src-plat-$(CONFIG_FSL_SOC_BOOKE) += cuboot-85xx.c cuboot-85xx-cpm2.c
154src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \
155 gamecube-head.S gamecube.c \
156 wii-head.S wii.c holly.c \
157 fixed-head.S mvme5100.c
158src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c
159src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c
160src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c
161src-plat-$(CONFIG_PPC_PSERIES) += pseries-head.S
162src-plat-$(CONFIG_PPC_POWERNV) += pseries-head.S
163src-plat-$(CONFIG_PPC_IBM_CELL_BLADE) += pseries-head.S
164src-plat-$(CONFIG_MVME7100) += motload-head.S mvme7100.c
165
166src-plat-$(CONFIG_PPC_MICROWATT) += fixed-head.S microwatt.c
167
168src-wlib := $(sort $(src-wlib-y))
169src-plat := $(sort $(src-plat-y))
170src-boot := $(src-wlib) $(src-plat) empty.c
171
172src-boot := $(addprefix $(obj)/, $(src-boot))
173obj-boot := $(addsuffix .o, $(basename $(src-boot)))
174obj-wlib := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-wlib))))
175obj-plat := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-plat))))
176obj-plat: $(libfdt)
177
178quiet_cmd_copy_kern_src = COPY $@
179 cmd_copy_kern_src = sed -f $(srctree)/arch/powerpc/boot/fixup-headers.sed $< > $@
180
181$(addprefix $(obj)/,$(zlib-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
182 $(call cmd,copy_kern_src)
183
184$(addprefix $(obj)/,$(zlibheader-y)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
185 $(call cmd,copy_kern_src)
186
187$(addprefix $(obj)/,$(zliblinuxheader-y)): $(obj)/%: $(srctree)/include/linux/%
188 $(call cmd,copy_kern_src)
189
190$(addprefix $(obj)/,$(zlib-decomp-y)): $(obj)/%: $(srctree)/lib/%
191 $(call cmd,copy_kern_src)
192
193quiet_cmd_copy_libfdt = COPY $@
194 cmd_copy_libfdt = cp $< $@
195
196$(addprefix $(obj)/,$(libfdt) $(libfdtheader)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/%
197 $(call cmd,copy_libfdt)
198
199$(obj)/empty.c:
200 $(Q)touch $@
201
202$(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)/$(src)/%.S
203 $(Q)cp $< $@
204
205clean-files := $(zlib-) $(zlibheader-) $(zliblinuxheader-) \
206 $(zlib-decomp-) $(libfdt) $(libfdtheader) \
207 empty.c zImage.coff.lds zImage.ps3.lds zImage.lds
208
209quiet_cmd_bootcc = BOOTCC $@
210 cmd_bootcc = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
211
212quiet_cmd_bootas = BOOTAS $@
213 cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
214
215quiet_cmd_bootar = BOOTAR $@
216 cmd_bootar = $(BOOTAR) $(BOOTARFLAGS) $@.$$$$ $(real-prereqs); mv $@.$$$$ $@
217
218$(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE
219 $(call if_changed_dep,bootcc)
220$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE
221 $(Q)mkdir -p $(dir $@)
222 $(call if_changed_dep,bootcc)
223$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE
224 $(Q)mkdir -p $(dir $@)
225 $(call if_changed_dep,bootas)
226
227$(obj)/wrapper.a: $(obj-wlib) FORCE
228 $(call if_changed,bootar)
229
230hostprogs := addnote hack-coff mktree
231
232targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) zImage.lds
233extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
234 $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
235
236dtstree := $(srctree)/$(src)/dts
237
238wrapper :=$(srctree)/$(src)/wrapper
239wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \
240 $(wrapper) FORCE
241
242#############
243# Bits for building various flavours of zImage
244
245ifneq ($(CROSS32_COMPILE),)
246CROSSWRAP := -C "$(CROSS32_COMPILE)"
247else
248ifneq ($(CROSS_COMPILE),)
249CROSSWRAP := -C "$(CROSS_COMPILE)"
250endif
251endif
252
253compressor-$(CONFIG_KERNEL_GZIP) := gz
254compressor-$(CONFIG_KERNEL_XZ) := xz
255compressor-$(CONFIG_KERNEL_LZMA) := lzma
256compressor-$(CONFIG_KERNEL_LZO) := lzo
257
258# args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd
259quiet_cmd_wrap = WRAP $@
260 cmd_wrap =$(CONFIG_SHELL) $(wrapper) -Z $(compressor-y) -c -o $@ -p $2 \
261 $(CROSSWRAP) $(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) \
262 vmlinux
263
264image-$(CONFIG_PPC_PSERIES) += zImage.pseries
265image-$(CONFIG_PPC_POWERNV) += zImage.pseries
266image-$(CONFIG_PPC_MAPLE) += zImage.maple
267image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
268image-$(CONFIG_PPC_PS3) += dtbImage.ps3
269image-$(CONFIG_PPC_CHRP) += zImage.chrp
270image-$(CONFIG_PPC_EFIKA) += zImage.chrp
271image-$(CONFIG_PPC_PMAC) += zImage.pmac
272image-$(CONFIG_PPC_HOLLY) += dtbImage.holly
273image-$(CONFIG_DEFAULT_UIMAGE) += uImage
274image-$(CONFIG_EPAPR_BOOT) += zImage.epapr
275
276#
277# Targets which embed a device tree blob
278#
279# Theses are default targets to build images which embed device tree blobs.
280# They are only required on boards which do not have FDT support in firmware.
281# Boards with newish u-boot firmware can use the uImage target above
282#
283
284# Board ports in arch/powerpc/platform/40x/Kconfig
285image-$(CONFIG_HOTFOOT) += cuImage.hotfoot
286image-$(CONFIG_ACADIA) += cuImage.acadia
287image-$(CONFIG_OBS600) += uImage.obs600
288
289# Board ports in arch/powerpc/platform/44x/Kconfig
290image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
291image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
292image-$(CONFIG_SAM440EP) += cuImage.sam440ep
293image-$(CONFIG_SEQUOIA) += cuImage.sequoia
294image-$(CONFIG_RAINIER) += cuImage.rainier
295image-$(CONFIG_TAISHAN) += cuImage.taishan
296image-$(CONFIG_KATMAI) += cuImage.katmai
297image-$(CONFIG_WARP) += cuImage.warp
298image-$(CONFIG_YOSEMITE) += cuImage.yosemite
299image-$(CONFIG_ISS4xx) += treeImage.iss4xx \
300 treeImage.iss4xx-mpic
301image-$(CONFIG_CURRITUCK) += treeImage.currituck
302image-$(CONFIG_AKEBONO) += treeImage.akebono
303
304# Board ports in arch/powerpc/platform/8xx/Kconfig
305image-$(CONFIG_MPC86XADS) += cuImage.mpc866ads
306image-$(CONFIG_MPC885ADS) += cuImage.mpc885ads
307image-$(CONFIG_PPC_EP88XC) += dtbImage.ep88xc
308image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \
309 dtbImage.adder875-redboot
310
311# Board ports in arch/powerpc/platform/52xx/Kconfig
312image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200
313image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200b
314image-$(CONFIG_PPC_MEDIA5200) += cuImage.media5200
315
316# Board ports in arch/powerpc/platform/82xx/Kconfig
317image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads
318image-$(CONFIG_PQ2FADS) += cuImage.pq2fads
319image-$(CONFIG_EP8248E) += dtbImage.ep8248e
320
321# Board ports in arch/powerpc/platform/83xx/Kconfig
322image-$(CONFIG_MPC832x_MDS) += cuImage.mpc832x_mds
323image-$(CONFIG_MPC832x_RDB) += cuImage.mpc832x_rdb
324image-$(CONFIG_MPC834x_ITX) += cuImage.mpc8349emitx \
325 cuImage.mpc8349emitxgp
326image-$(CONFIG_MPC834x_MDS) += cuImage.mpc834x_mds
327image-$(CONFIG_MPC836x_MDS) += cuImage.mpc836x_mds
328image-$(CONFIG_ASP834x) += dtbImage.asp834x-redboot
329
330# Board ports in arch/powerpc/platform/85xx/Kconfig
331image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads
332image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads
333image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \
334 cuImage.mpc8548cds_32b \
335 cuImage.mpc8555cds
336image-$(CONFIG_MPC85xx_MDS) += cuImage.mpc8568mds
337image-$(CONFIG_MPC85xx_DS) += cuImage.mpc8544ds \
338 cuImage.mpc8572ds
339image-$(CONFIG_TQM8540) += cuImage.tqm8540
340image-$(CONFIG_TQM8541) += cuImage.tqm8541
341image-$(CONFIG_TQM8548) += cuImage.tqm8548
342image-$(CONFIG_TQM8555) += cuImage.tqm8555
343image-$(CONFIG_TQM8560) += cuImage.tqm8560
344image-$(CONFIG_SBC8548) += cuImage.sbc8548
345image-$(CONFIG_KSI8560) += cuImage.ksi8560
346
347# Board ports in arch/powerpc/platform/86xx/Kconfig
348image-$(CONFIG_MVME7100) += dtbImage.mvme7100
349
350# Board ports in arch/powerpc/platform/embedded6xx/Kconfig
351image-$(CONFIG_STORCENTER) += cuImage.storcenter
352image-$(CONFIG_MPC7448HPC2) += cuImage.mpc7448hpc2
353image-$(CONFIG_GAMECUBE) += dtbImage.gamecube
354image-$(CONFIG_WII) += dtbImage.wii
355image-$(CONFIG_MVME5100) += dtbImage.mvme5100
356
357# Board port in arch/powerpc/platform/amigaone/Kconfig
358image-$(CONFIG_AMIGAONE) += cuImage.amigaone
359
360image-$(CONFIG_PPC_MICROWATT) += dtbImage.microwatt
361
362# For 32-bit powermacs, build the COFF and miboot images
363# as well as the ELF images.
364ifdef CONFIG_PPC32
365image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot
366endif
367
368# Allow extra targets to be added to the defconfig
369image-y += $(subst ",,$(CONFIG_EXTRA_TARGETS))
370
371initrd- := $(patsubst zImage%, zImage.initrd%, $(image-))
372initrd-y := $(patsubst zImage%, zImage.initrd%, \
373 $(patsubst dtbImage%, dtbImage.initrd%, \
374 $(patsubst simpleImage%, simpleImage.initrd%, \
375 $(patsubst treeImage%, treeImage.initrd%, $(image-y)))))
376initrd-y := $(filter-out $(image-y), $(initrd-y))
377targets += $(image-y) $(initrd-y)
378targets += $(foreach x, dtbImage uImage cuImage simpleImage treeImage, \
379 $(patsubst $(x).%, dts/%.dtb, $(filter $(x).%, $(image-y))))
380targets += $(foreach x, dtbImage uImage cuImage simpleImage treeImage, \
381 $(patsubst $(x).%, dts/fsl/%.dtb, $(filter $(x).%, $(image-y))))
382
383$(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
384
385# Don't put the ramdisk on the pattern rule; when its missing make will try
386# the pattern rule with less dependencies that also matches (even with the
387# hard dependency listed).
388$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) FORCE
389 $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz)
390
391$(addprefix $(obj)/, $(sort $(filter zImage.%, $(image-y)))): vmlinux $(wrapperbits) FORCE
392 $(call if_changed,wrap,$(subst $(obj)/zImage.,,$@))
393
394# dtbImage% - a dtbImage is a zImage with an embedded device tree blob
395$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
396 $(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
397
398$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
399 $(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb)
400
401# This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
402# prefix
403$(obj)/vmlinux.strip: vmlinux
404 $(STRIP) -s -R .comment $< -o $@
405
406$(obj)/uImage: vmlinux $(wrapperbits) FORCE
407 $(call if_changed,wrap,uboot)
408
409$(obj)/uImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
410 $(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
411
412$(obj)/uImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
413 $(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb)
414
415$(obj)/cuImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
416 $(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
417
418$(obj)/cuImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
419 $(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb)
420
421$(obj)/simpleImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
422 $(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
423
424$(obj)/simpleImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
425 $(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb)
426
427$(obj)/treeImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
428 $(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
429
430$(obj)/treeImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
431 $(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb)
432
433# Needed for the above targets to work with dts/fsl files
434$(obj)/dts/%.dtb: $(obj)/dts/fsl/%.dtb
435 @cp $< $@
436
437# If there isn't a platform selected then just strip the vmlinux.
438ifeq (,$(image-y))
439image-y := vmlinux.strip
440endif
441
442$(obj)/zImage: $(addprefix $(obj)/, $(image-y))
443 $(Q)rm -f $@; ln $< $@
444$(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
445 $(Q)rm -f $@; ln $< $@
446
447# Only install the vmlinux
448install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
449 sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)"
450
451# Install the vmlinux and other built boot targets.
452zInstall: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
453 sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $^
454
455PHONY += install zInstall
456
457# anything not in $(targets)
458clean-files += $(image-) $(initrd-) cuImage.* dtbImage.* treeImage.* \
459 zImage zImage.initrd zImage.chrp zImage.coff zImage.holly \
460 zImage.miboot zImage.pmac zImage.pseries \
461 zImage.maple simpleImage.* otheros.bld
462
463# clean up files cached by wrapper
464clean-kernel-base := vmlinux.strip vmlinux.bin
465clean-kernel := $(addsuffix .gz,$(clean-kernel-base))
466clean-kernel += $(addsuffix .xz,$(clean-kernel-base))
467# If not absolute clean-files are relative to $(obj).
468clean-files += $(addprefix $(objtree)/, $(clean-kernel))
469
470WRAPPER_OBJDIR := /usr/lib/kernel-wrapper
471WRAPPER_DTSDIR := /usr/lib/kernel-wrapper/dts
472WRAPPER_BINDIR := /usr/sbin
473INSTALL := install
474
475extra-installed := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y))
476hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs))
477wrapper-installed := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper
478dts-installed := $(patsubst $(dtstree)/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(dtstree)/*.dts))
479
480all-installed := $(extra-installed) $(hostprogs-installed) $(wrapper-installed) $(dts-installed)
481
482quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
483 cmd_mkdir = mkdir -p $@
484
485quiet_cmd_install = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,%,$@)
486 cmd_install = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,$(obj)/%,$@) $@
487
488quiet_cmd_install_dts = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,dts/%,$@)
489 cmd_install_dts = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)/$(obj)/dts/%,$@) $@
490
491quiet_cmd_install_exe = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
492 cmd_install_exe = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(obj)/%,$@) $@
493
494quiet_cmd_install_wrapper = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
495 cmd_install_wrapper = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)/$(obj)/%,$@) $@ ;\
496 sed -i $@ -e 's%^object=.*%object=$(WRAPPER_OBJDIR)%' \
497 -e 's%^objbin=.*%objbin=$(WRAPPER_BINDIR)%' \
498
499
500$(DESTDIR)$(WRAPPER_OBJDIR) $(DESTDIR)$(WRAPPER_DTSDIR) $(DESTDIR)$(WRAPPER_BINDIR):
501 $(call cmd,mkdir)
502
503$(extra-installed) : $(DESTDIR)$(WRAPPER_OBJDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_OBJDIR)
504 $(call cmd,install)
505
506$(hostprogs-installed) : $(DESTDIR)$(WRAPPER_BINDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_BINDIR)
507 $(call cmd,install_exe)
508
509$(dts-installed) : $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)/$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR)
510 $(call cmd,install_dts)
511
512$(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)/$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR)
513 $(call cmd,install_wrapper)
514
515$(obj)/bootwrapper_install: $(all-installed)