Makefile 13 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339
  1. # Makefile for making ELF bootable images for booting on CHRP
  2. # using Open Firmware.
  3. #
  4. # Geert Uytterhoeven September 1997
  5. #
  6. # Based on coffboot by Paul Mackerras
  7. # Simplified for ppc64 by Todd Inglett
  8. #
  9. # NOTE: this code is built for 32 bit in ELF32 format even though
  10. # it packages a 64 bit kernel. We do this to simplify the
  11. # bootloader and increase compatibility with OpenFirmware.
  12. #
  13. # To this end we need to define BOOTCC, etc, as the tools
  14. # needed to build the 32 bit image. That's normally the same
  15. # compiler for the rest of the kernel, with the -m32 flag added.
  16. # To make it easier to setup a cross compiler,
  17. # CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
  18. # in the toplevel makefile.
  19. all: $(obj)/zImage
  20. BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
  21. -fno-strict-aliasing -Os -msoft-float -pipe \
  22. -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \
  23. -isystem $(shell $(CROSS32CC) -print-file-name=include)
  24. BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
  25. ifdef CONFIG_DEBUG_INFO
  26. BOOTCFLAGS += -g
  27. endif
  28. ifeq ($(call cc-option-yn, -fstack-protector),y)
  29. BOOTCFLAGS += -fno-stack-protector
  30. endif
  31. BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) -I$(srctree)/$(src)/libfdt
  32. $(obj)/4xx.o: BOOTCFLAGS += -mcpu=440
  33. $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
  34. $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
  35. $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
  36. $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
  37. zlib := inffast.c inflate.c inftrees.c
  38. zlibheader := inffast.h inffixed.h inflate.h inftrees.h infutil.h
  39. zliblinuxheader := zlib.h zconf.h zutil.h
  40. $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \
  41. $(addprefix $(obj)/,$(zliblinuxheader)) $(addprefix $(obj)/,$(zlibheader))
  42. src-libfdt := fdt.c fdt_ro.c fdt_wip.c fdt_sw.c fdt_rw.c fdt_strerror.c
  43. src-wlib := string.S crt0.S stdio.c main.c \
  44. $(addprefix libfdt/,$(src-libfdt)) libfdt-wrapper.c \
  45. ns16550.c serial.c simple_alloc.c div64.S util.S \
  46. gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \
  47. 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \
  48. cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \
  49. fsl-soc.c mpc8xx.c pq2.c
  50. src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
  51. cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
  52. ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
  53. cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
  54. fixed-head.S ep88xc.c cuboot-hpc2.c ep405.c cuboot-taishan.c \
  55. cuboot-katmai.c
  56. src-boot := $(src-wlib) $(src-plat) empty.c
  57. src-boot := $(addprefix $(obj)/, $(src-boot))
  58. obj-boot := $(addsuffix .o, $(basename $(src-boot)))
  59. obj-wlib := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-wlib))))
  60. obj-plat := $(addsuffix .o, $(basename $(addprefix $(obj)/, $(src-plat))))
  61. quiet_cmd_copy_zlib = COPY $@
  62. cmd_copy_zlib = sed "s@__attribute_used__@@;s@<linux/\([^>]*\).*@\"\1\"@" $< > $@
  63. quiet_cmd_copy_zlibheader = COPY $@
  64. cmd_copy_zlibheader = sed "s@<linux/\([^>]*\).*@\"\1\"@" $< > $@
  65. # stddef.h for NULL
  66. quiet_cmd_copy_zliblinuxheader = COPY $@
  67. cmd_copy_zliblinuxheader = sed "s@<linux/string.h>@\"string.h\"@;s@<linux/kernel.h>@<stddef.h>@;s@<linux/\([^>]*\).*@\"\1\"@" $< > $@
  68. $(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
  69. $(call cmd,copy_zlib)
  70. $(addprefix $(obj)/,$(zlibheader)): $(obj)/%: $(srctree)/lib/zlib_inflate/%
  71. $(call cmd,copy_zlibheader)
  72. $(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/%
  73. $(call cmd,copy_zliblinuxheader)
  74. $(obj)/empty.c:
  75. @touch $@
  76. $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds: $(obj)/%: $(srctree)/$(src)/%.S
  77. @cp $< $@
  78. clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \
  79. empty.c zImage zImage.coff.lds zImage.ps3.lds zImage.lds
  80. quiet_cmd_bootcc = BOOTCC $@
  81. cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
  82. quiet_cmd_bootas = BOOTAS $@
  83. cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
  84. quiet_cmd_bootar = BOOTAR $@
  85. cmd_bootar = $(CROSS32AR) -cr $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@
  86. $(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c FORCE
  87. $(Q)mkdir -p $(dir $@)
  88. $(call if_changed_dep,bootcc)
  89. $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE
  90. $(Q)mkdir -p $(dir $@)
  91. $(call if_changed_dep,bootas)
  92. $(obj)/wrapper.a: $(obj-wlib) FORCE
  93. $(call if_changed,bootar)
  94. hostprogs-y := addnote addRamDisk hack-coff mktree dtc
  95. targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a)
  96. extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
  97. $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds
  98. wrapper :=$(srctree)/$(src)/wrapper
  99. wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree dtc) \
  100. $(wrapper) FORCE
  101. #############
  102. # Bits for building dtc
  103. # DTC_GENPARSER := 1 # Uncomment to rebuild flex/bison output
  104. dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o srcpos.o checks.o
  105. dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
  106. dtc-objs := $(addprefix dtc-src/, $(dtc-objs))
  107. # prerequisites on generated files needs to be explicit
  108. $(obj)/dtc-src/dtc-parser.tab.o: $(obj)/dtc-src/dtc-parser.tab.c $(obj)/dtc-src/dtc-parser.tab.h
  109. $(obj)/dtc-src/dtc-lexer.lex.o: $(obj)/dtc-src/dtc-lexer.lex.c $(obj)/dtc-src/dtc-parser.tab.h
  110. HOSTCFLAGS += -I$(src)/dtc-src/ -I$(src)/libfdt/
  111. targets += dtc-src/dtc-parser.tab.c
  112. targets += dtc-src/dtc-lexer.lex.c
  113. ifdef DTC_GENPARSER
  114. BISON = bison
  115. FLEX = flex
  116. quiet_cmd_bison = BISON $@
  117. cmd_bison = $(BISON) -o$@ -d $<; cp $@ $@_shipped
  118. quiet_cmd_flex = FLEX $@
  119. cmd_flex = $(FLEX) -o$@ $<; cp $@ $@_shipped
  120. $(obj)/dtc-src/dtc-parser.tab.c: $(src)/dtc-src/dtc-parser.y FORCE
  121. $(call if_changed,bison)
  122. $(obj)/dtc-src/dtc-parser.tab.h: $(obj)/dtc-src/dtc-parser.tab.c
  123. $(obj)/dtc-src/dtc-lexer.lex.c: $(src)/dtc-src/dtc-lexer.l FORCE
  124. $(call if_changed,flex)
  125. endif
  126. #############
  127. # Bits for building various flavours of zImage
  128. ifneq ($(CROSS32_COMPILE),)
  129. CROSSWRAP := -C "$(CROSS32_COMPILE)"
  130. else
  131. ifneq ($(CROSS_COMPILE),)
  132. CROSSWRAP := -C "$(CROSS_COMPILE)"
  133. endif
  134. endif
  135. # args (to if_changed): 1 = (this rule), 2 = platform, 3 = dts 4=dtb 5=initrd
  136. quiet_cmd_wrap = WRAP $@
  137. cmd_wrap =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
  138. $(if $3, -s $3)$(if $4, -d $4)$(if $5, -i $5) vmlinux
  139. image-$(CONFIG_PPC_PSERIES) += zImage.pseries
  140. image-$(CONFIG_PPC_MAPLE) += zImage.pseries
  141. image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
  142. image-$(CONFIG_PPC_PS3) += zImage.ps3
  143. image-$(CONFIG_PPC_CELLEB) += zImage.pseries
  144. image-$(CONFIG_PPC_CHRP) += zImage.chrp
  145. image-$(CONFIG_PPC_EFIKA) += zImage.chrp
  146. image-$(CONFIG_PPC_PMAC) += zImage.pmac
  147. image-$(CONFIG_PPC_HOLLY) += zImage.holly
  148. image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800
  149. image-$(CONFIG_PPC_ISERIES) += zImage.iseries
  150. image-$(CONFIG_DEFAULT_UIMAGE) += uImage
  151. ifneq ($(CONFIG_DEVICE_TREE),"")
  152. image-$(CONFIG_PPC_8xx) += cuImage.8xx
  153. image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc
  154. image-$(CONFIG_EP405) += zImage.ep405
  155. image-$(CONFIG_8260) += cuImage.pq2
  156. image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
  157. image-$(CONFIG_PPC_83xx) += cuImage.83xx
  158. image-$(CONFIG_PPC_85xx) += cuImage.85xx
  159. image-$(CONFIG_MPC7448HPC2) += cuImage.hpc2
  160. image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
  161. image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
  162. image-$(CONFIG_SEQUOIA) += cuImage.sequoia
  163. image-$(CONFIG_WALNUT) += treeImage.walnut
  164. image-$(CONFIG_TAISHAN) += cuImage.taishan
  165. image-$(CONFIG_KATMAI) += cuImage.katmai
  166. endif
  167. # For 32-bit powermacs, build the COFF and miboot images
  168. # as well as the ELF images.
  169. ifeq ($(CONFIG_PPC32),y)
  170. image-$(CONFIG_PPC_PMAC) += zImage.coff zImage.miboot
  171. endif
  172. initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-))
  173. initrd-y := $(patsubst zImage%, zImage.initrd%, \
  174. $(patsubst treeImage%, treeImage.initrd%, $(image-y)))
  175. initrd-y := $(filter-out $(image-y), $(initrd-y))
  176. targets += $(image-y) $(initrd-y)
  177. $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz
  178. # If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an
  179. # empty string, define 'dts' to be path to the dts
  180. # CONFIG_DEVICE_TREE will have "" around it, make sure to strip them
  181. ifeq ($(CONFIG_WANT_DEVICE_TREE),y)
  182. ifneq ($(CONFIG_DEVICE_TREE),"")
  183. dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\
  184. ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%)
  185. endif
  186. endif
  187. # Don't put the ramdisk on the pattern rule; when its missing make will try
  188. # the pattern rule with less dependencies that also matches (even with the
  189. # hard dependency listed).
  190. $(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts)
  191. $(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz)
  192. $(obj)/zImage.%: vmlinux $(wrapperbits) $(dts)
  193. $(call if_changed,wrap,$*,$(dts))
  194. # This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
  195. # prefix
  196. $(obj)/vmlinux.strip: vmlinux
  197. $(STRIP) -s -R .comment $< -o $@
  198. $(obj)/zImage.iseries: vmlinux
  199. $(STRIP) -s -R .comment $< -o $@
  200. $(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts
  201. $(STRIP) -s -R .comment $< -o vmlinux.strip
  202. $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,)
  203. $(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz
  204. $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz)
  205. $(obj)/uImage: vmlinux $(wrapperbits)
  206. $(call if_changed,wrap,uboot)
  207. $(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits)
  208. $(call if_changed,wrap,cuboot-$*,$(dts))
  209. $(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits)
  210. $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz)
  211. $(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits)
  212. $(call if_changed,wrap,treeboot-$*,$(dts))
  213. # If there isn't a platform selected then just strip the vmlinux.
  214. ifeq (,$(image-y))
  215. image-y := vmlinux.strip
  216. endif
  217. $(obj)/zImage: $(addprefix $(obj)/, $(image-y))
  218. @rm -f $@; ln $< $@
  219. $(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
  220. @rm -f $@; ln $< $@
  221. install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y))
  222. sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
  223. # anything not in $(targets)
  224. clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \
  225. otheros.bld
  226. # clean up files cached by wrapper
  227. clean-kernel := vmlinux.strip vmlinux.bin
  228. clean-kernel += $(addsuffix .gz,$(clean-kernel))
  229. # If not absolute clean-files are relative to $(obj).
  230. clean-files += $(addprefix $(objtree)/, $(clean-kernel))
  231. WRAPPER_OBJDIR := /usr/lib/kernel-wrapper
  232. WRAPPER_DTSDIR := /usr/lib/kernel-wrapper/dts
  233. WRAPPER_BINDIR := /usr/sbin
  234. INSTALL := install
  235. extra-installed := $(patsubst $(obj)/%, $(DESTDIR)$(WRAPPER_OBJDIR)/%, $(extra-y))
  236. hostprogs-installed := $(patsubst %, $(DESTDIR)$(WRAPPER_BINDIR)/%, $(hostprogs-y))
  237. wrapper-installed := $(DESTDIR)$(WRAPPER_BINDIR)/wrapper
  238. dts-installed := $(patsubst $(obj)/dts/%, $(DESTDIR)$(WRAPPER_DTSDIR)/%, $(wildcard $(obj)/dts/*.dts))
  239. all-installed := $(extra-installed) $(hostprogs-installed) $(wrapper-installed) $(dts-installed)
  240. quiet_cmd_mkdir = MKDIR $(patsubst $(INSTALL_HDR_PATH)/%,%,$@)
  241. cmd_mkdir = mkdir -p $@
  242. quiet_cmd_install = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,%,$@)
  243. cmd_install = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_OBJDIR)/%,$(obj)/%,$@) $@
  244. quiet_cmd_install_dts = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,dts/%,$@)
  245. cmd_install_dts = $(INSTALL) -m0644 $(patsubst $(DESTDIR)$(WRAPPER_DTSDIR)/%,$(srctree)/$(obj)/dts/%,$@) $@
  246. quiet_cmd_install_exe = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
  247. cmd_install_exe = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(obj)/%,$@) $@
  248. quiet_cmd_install_wrapper = INSTALL $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,%,$@)
  249. cmd_install_wrapper = $(INSTALL) -m0755 $(patsubst $(DESTDIR)$(WRAPPER_BINDIR)/%,$(srctree)/$(obj)/%,$@) $@ ;\
  250. sed -i $@ -e 's%^object=.*%object=$(WRAPPER_OBJDIR)%' \
  251. -e 's%^objbin=.*%objbin=$(WRAPPER_BINDIR)%' \
  252. $(DESTDIR)$(WRAPPER_OBJDIR) $(DESTDIR)$(WRAPPER_DTSDIR) $(DESTDIR)$(WRAPPER_BINDIR):
  253. $(call cmd,mkdir)
  254. $(extra-installed) : $(DESTDIR)$(WRAPPER_OBJDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_OBJDIR)
  255. $(call cmd,install)
  256. $(hostprogs-installed) : $(DESTDIR)$(WRAPPER_BINDIR)/% : $(obj)/% | $(DESTDIR)$(WRAPPER_BINDIR)
  257. $(call cmd,install_exe)
  258. $(dts-installed) : $(DESTDIR)$(WRAPPER_DTSDIR)/% : $(srctree)/$(obj)/dts/% | $(DESTDIR)$(WRAPPER_DTSDIR)
  259. $(call cmd,install_dts)
  260. $(wrapper-installed): $(DESTDIR)$(WRAPPER_BINDIR) $(srctree)/$(obj)/wrapper | $(DESTDIR)$(WRAPPER_BINDIR)
  261. $(call cmd,install_wrapper)
  262. $(obj)/bootwrapper_install: $(all-installed)