/arch/ppc/boot/openfirmware/Makefile

https://bitbucket.org/evzijst/gittest · Makefile · 188 lines · 140 code · 34 blank · 14 comment · 6 complexity · b7d548b7a1c1217182504c6e1347a765 MD5 · raw file 

    

  1. # Makefile for making bootable images on various OpenFirmware machines.
    2. 

  2. #
    3. 

  3. # Paul Mackerras	January 1997
    4. 

  4. #	XCOFF bootable images for PowerMacs
    5. 

  5. # Geert Uytterhoeven	September 1997
    6. 

  6. #	ELF bootable iamges for CHRP machines.
    7. 

  7. # Tom Rini		January 2001
    8. 

  8. # 	Cleaned up, moved into arch/ppc/boot/pmac
    9. 

  9. # Tom Rini		July/August 2002
    10. 

  10. #	Merged 'chrp' and 'pmac' into 'openfirmware', and cleaned up the
    11. 

  11. #	rules.
    12. 

  12. 

  13. zImage.initrd znetboot.initrd: del-ramdisk-sec	:= -R .ramdisk
    14. 

  14. zImage.initrd znetboot.initrd: initrd		:= .initrd
    15. 

  15. 

  16. 

  17. boot	:= arch/ppc/boot
    18. 

  18. common	:= $(boot)/common
    19. 

  19. utils	:= $(boot)/utils
    20. 

  20. bootlib	:= $(boot)/lib
    21. 

  21. of1275	:= $(boot)/of1275
    22. 

  22. images	:= $(boot)/images
    23. 

  23. 

  24. OBJCOPY_ARGS	:= -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
    25. 

  25. COFF_LD_ARGS	:= -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00500000 \
    26. 

  26. 			-Bstatic
    27. 

  27. CHRP_LD_ARGS	:= -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00800000
    28. 

  28. NEWWORLD_LD_ARGS:= -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x01000000
    29. 

  29. 

  30. COMMONOBJS	:= start.o misc.o common.o
    31. 

  31. COFFOBJS	:= coffcrt0.o $(COMMONOBJS) coffmain.o
    32. 

  32. CHRPOBJS	:= crt0.o     $(COMMONOBJS) chrpmain.o
    33. 

  33. NEWWORLDOBJS	:= crt0.o     $(COMMONOBJS) newworldmain.o
    34. 

  34. 

  35. targets 	:= $(COFFOBJS) $(CHRPOBJS) $(NEWWORLDOBJS) dummy.o
    36. 

  36. COFFOBJS	:= $(addprefix $(obj)/, $(COFFOBJS))
    37. 

  37. CHRPOBJS	:= $(addprefix $(obj)/, $(CHRPOBJS))
    38. 

  38. NEWWORLDOBJS	:= $(addprefix $(obj)/, $(NEWWORLDOBJS))
    39. 

  39. 

  40. LIBS		:= lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a
    41. 

  41. 

  42. HACKCOFF := $(utils)/hack-coff
    43. 

  43. 

  44. ifdef CONFIG_SMP
    45. 

  45. END := .smp
    46. 

  46. endif
    47. 

  47. ifdef CONFIG_PPC64BRIDGE
    48. 

  48. END += .64
    49. 

  49. endif
    50. 

  50. 

  51. 

  52. $(images)/ramdisk.image.gz:
    53. 

  53. 	@echo '  MISSING $@'
    54. 

  54. 	@echo '          RAM disk image must be provided separately'
    55. 

  55. 	@/bin/false
    56. 

  56. 

  57. objcpxmon-$(CONFIG_XMON) := --add-section=.sysmap=System.map \
    58. 

  58. 	--set-section-flags=.sysmap=contents,alloc,load,readonly,data
    59. 

  59. quiet_cmd_genimage = GEN     $@
    60. 

  60.       cmd_genimage = $(OBJCOPY) -R .comment       \
    61. 

  61. 	--add-section=.image=$(images)/vmlinux.gz \
    62. 

  62. 	--set-section-flags=.image=contents,alloc,load,readonly,data \
    63. 

  63. 	$(objcpxmon-y) $< $@
    64. 

  64. 

  65. targets += image.o
    66. 

  66. $(obj)/image.o: $(obj)/dummy.o $(images)/vmlinux.gz FORCE
    67. 

  67. 	$(call if_changed,genimage)
    68. 

  68. 

  69. # Place the ramdisk in the initrd image.
    70. 

  70. quiet_cmd_genimage-initrd = GEN     $@
    71. 

  71.       cmd_genimage-initrd = $(OBJCOPY) $< $@ \
    72. 

  72. 	--add-section=.ramdisk=$(images)/ramdisk.image.gz \
    73. 

  73. 	--set-section-flags=.ramdisk=contents,alloc,load,readonly,data
    74. 

  74. targets += image.initrd.o
    75. 

  75. $(obj)/image.initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz FORCE
    76. 

  76. 	$(call if_changed,genimage-initrd)
    77. 

  77. 

  78. # Create the note section for New-World PowerMacs.
    79. 

  79. quiet_cmd_mknote = MKNOTE  $@
    80. 

  80.      cmd_mknote  = $(utils)/mknote > $@
    81. 

  81. targets		+= note
    82. 

  82. $(obj)/note: $(utils)/mknote FORCE
    83. 

  83. 	$(call if_changed,mknote)
    84. 

  84. 

  85. 

  86. $(obj)/coffcrt0.o: EXTRA_AFLAGS := -traditional -DXCOFF
    87. 

  87. $(obj)/crt0.o:     EXTRA_AFLAGS := -traditional
    88. 

  88. targets += coffcrt0.o crt0.o
    89. 

  89. $(obj)/coffcrt0.o $(obj)/crt0.o: $(common)/crt0.S FORCE
    90. 

  90. 	$(call if_changed_dep,as_o_S)
    91. 

  91. 

  92. quiet_cmd_gencoffb = COFF    $@
    93. 

  93.       cmd_gencoffb = $(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) $< $(LIBS) && \
    94. 

  94.                      $(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec)
    95. 

  95. targets += coffboot
    96. 

  96. $(obj)/coffboot: $(obj)/image.o $(COFFOBJS) $(LIBS) $(srctree)/$(boot)/ld.script FORCE
    97. 

  97. 	$(call if_changed,gencoffb)
    98. 

  98. targets += coffboot.initrd
    99. 

  99. $(obj)/coffboot.initrd: $(obj)/image.initrd.o $(COFFOBJS) $(LIBS) \
    100. 

  100. 			$(srctree)/$(boot)/ld.script FORCE
    101. 

  101. 	$(call if_changed,gencoffb)
    102. 

  102. 

  103. 

  104. quiet_cmd_gen-coff = COFF    $@
    105. 

  105.       cmd_gen-coff = $(OBJCOPY) $(OBJCOPY_ARGS) $< $@ && \
    106. 

  106. 			$(HACKCOFF) $@ && \
    107. 

  107. 			ln -sf $(notdir $@) $(images)/zImage$(initrd).pmac
    108. 

  108. 

  109. $(images)/vmlinux.coff: $(obj)/coffboot
    110. 

  110. 	$(call cmd,gen-coff)
    111. 

  111. 

  112. $(images)/vmlinux.initrd.coff: $(obj)/coffboot.initrd
    113. 

  113. 	$(call cmd,gen-coff)
    114. 

  114. 

  115. quiet_cmd_gen-elf-pmac = ELF     $@
    116. 

  116.       cmd_gen-elf-pmac = $(LD) $(NEWWORLD_LD_ARGS) -o $@ \
    117. 

  117. 				$(NEWWORLDOBJS) $(LIBS) $< && \
    118. 

  118. 			$(OBJCOPY) $@ $@ --add-section=.note=$(obj)/note \
    119. 

  119. 					 -R .comment $(del-ramdisk-sec)
    120. 

  120. 

  121. $(images)/vmlinux.elf-pmac: $(obj)/image.o $(NEWWORLDOBJS) $(LIBS) \
    122. 

  122. 			$(obj)/note $(srctree)/$(boot)/ld.script
    123. 

  123. 	$(call cmd,gen-elf-pmac)
    124. 

  124. $(images)/vmlinux.initrd.elf-pmac: $(obj)/image.initrd.o $(NEWWORLDOBJS) \
    125. 

  125. 				   $(LIBS) $(obj)/note \
    126. 

  126. 				   $(srctree)/$(boot)/ld.script
    127. 

  127. 	$(call cmd,gen-elf-pmac)
    128. 

  128. 

  129. quiet_cmd_gen-chrp = CHRP    $@
    130. 

  130.       cmd_gen-chrp = $(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) $< $(LIBS) && \
    131. 

  131. 			$(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec)
    132. 

  132. 

  133. $(images)/zImage.chrp: $(obj)/image.o $(CHRPOBJS) $(LIBS) \
    134. 

  134. 				   $(srctree)/$(boot)/ld.script
    135. 

  135. 	$(call cmd,gen-chrp)
    136. 

  136. $(images)/zImage.initrd.chrp: $(obj)/image.initrd.o $(CHRPOBJS) $(LIBS) \
    137. 

  137. 				   $(srctree)/$(boot)/ld.script
    138. 

  138. 	$(call cmd,gen-chrp)
    139. 

  139. 

  140. quiet_cmd_addnote = ADDNOTE $@
    141. 

  141.       cmd_addnote = cat $< > $@ && $(utils)/addnote $@
    142. 

  142. $(images)/zImage.chrp-rs6k $(images)/zImage.initrd.chrp-rs6k: \
    143. 

  143. 	%-rs6k: %
    144. 

  144. 	$(call cmd,addnote)
    145. 

  145. 

  146. quiet_cmd_gen-miboot = GEN     $@
    147. 

  147.       cmd_gen-miboot = $(OBJCOPY) $(OBJCOPY_ARGS) \
    148. 

  148. 		       --add-section=$1=$(word 2, $^) $< $@
    149. 

  149. $(images)/miboot.image: $(obj)/dummy.o $(images)/vmlinux.gz
    150. 

  150. 	$(call cmd,gen-miboot,image)
    151. 

  151. 

  152. $(images)/miboot.initrd.image: $(images)/miboot.image $(images)/ramdisk.image.gz
    153. 

  153. 	$(call cmd,gen-miboot,initrd)
    154. 

  154. 

  155. # The targets used on the make command-line
    156. 

  156. 

  157. .PHONY: zImage zImage.initrd
    158. 

  158. zImage:		 $(images)/vmlinux.coff 	\
    159. 

  159. 		 $(images)/vmlinux.elf-pmac	\
    160. 

  160. 		 $(images)/zImage.chrp		\
    161. 

  161. 		 $(images)/zImage.chrp-rs6k	\
    162. 

  162. 		 $(images)/miboot.image
    163. 

  163. 	@echo '  kernel: $@ is ready ($<)'
    164. 

  164. zImage.initrd:	 $(images)/vmlinux.initrd.coff 		\
    165. 

  165. 		 $(images)/vmlinux.initrd.elf-pmac	\
    166. 

  166. 		 $(images)/zImage.initrd.chrp		\
    167. 

  167. 		 $(images)/zImage.initrd.chrp-rs6k	\
    168. 

  168. 		 $(images)/miboot.initrd.image
    169. 

  169. 	@echo '  kernel: $@ is ready ($<)'
    170. 

  170. 

  171. TFTPIMAGE	:= /tftpboot/zImage
    172. 

  172. 

  173. .PHONY: znetboot znetboot.initrd
    174. 

  174. znetboot:	$(images)/vmlinux.coff		\
    175. 

  175. 		$(images)/vmlinux.elf-pmac	\
    176. 

  176. 		$(images)/zImage.chrp
    177. 

  177. 	cp $(images)/vmlinux.coff     $(TFTPIMAGE).pmac$(END)
    178. 

  178. 	cp $(images)/vmlinux.elf-pmac $(TFTPIMAGE).pmac$(END).elf
    179. 

  179. 	cp $(images)/zImage.chrp      $(TFTPIMAGE).chrp$(END)
    180. 

  180. 	@echo '  kernel: $@ is ready ($<)'
    181. 

  181. znetboot.initrd:$(images)/vmlinux.initrd.coff		\
    182. 

  182. 		$(images)/vmlinux.initrd.elf-pmac	\
    183. 

  183. 		$(images)/zImage.initrd.chrp
    184. 

  184. 	cp $(images)/vmlinux.initrd.coff     $(TFTPIMAGE).pmac$(END)
    185. 

  185. 	cp $(images)/vmlinux.initrd.elf-pmac $(TFTPIMAGE).pmac$(END).elf
    186. 

  186. 	cp $(images)/zImage.initrd.chrp      $(TFTPIMAGE).chrp$(END)
    187. 

  187. 	@echo '  kernel: $@ is ready ($<)'
    188.