Makefile 18 KB

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  1. #
  2. # This file is subject to the terms and conditions of the GNU General Public
  3. # License. See the file "COPYING" in the main directory of this archive
  4. # for more details.
  5. #
  6. # Copyright (C) 1994, 95, 96, 2003 by Ralf Baechle
  7. # DECStation modifications by Paul M. Antoine, 1996
  8. # Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
  9. #
  10. # This file is included by the global makefile so that you can add your own
  11. # architecture-specific flags and dependencies. Remember to do have actions
  12. # for "archclean" cleaning up for this architecture.
  13. #
  14. KBUILD_DEFCONFIG := ip22_defconfig
  15. #
  16. # Select the object file format to substitute into the linker script.
  17. #
  18. ifdef CONFIG_CPU_LITTLE_ENDIAN
  19. 32bit-tool-archpref = mipsel
  20. 64bit-tool-archpref = mips64el
  21. 32bit-bfd = elf32-tradlittlemips
  22. 64bit-bfd = elf64-tradlittlemips
  23. 32bit-emul = elf32ltsmip
  24. 64bit-emul = elf64ltsmip
  25. else
  26. 32bit-tool-archpref = mips
  27. 64bit-tool-archpref = mips64
  28. 32bit-bfd = elf32-tradbigmips
  29. 64bit-bfd = elf64-tradbigmips
  30. 32bit-emul = elf32btsmip
  31. 64bit-emul = elf64btsmip
  32. endif
  33. ifdef CONFIG_32BIT
  34. tool-archpref = $(32bit-tool-archpref)
  35. UTS_MACHINE := mips
  36. endif
  37. ifdef CONFIG_64BIT
  38. tool-archpref = $(64bit-tool-archpref)
  39. UTS_MACHINE := mips64
  40. endif
  41. ifneq ($(SUBARCH),$(ARCH))
  42. ifeq ($(CROSS_COMPILE),)
  43. CROSS_COMPILE := $(call cc-cross-prefix, $(tool-archpref)-linux- $(tool-archpref)-linux-gnu- $(tool-archpref)-unknown-linux-gnu-)
  44. endif
  45. endif
  46. ifndef CONFIG_FUNCTION_TRACER
  47. cflags-y := -ffunction-sections
  48. endif
  49. ifdef CONFIG_FUNCTION_GRAPH_TRACER
  50. ifndef KBUILD_MCOUNT_RA_ADDRESS
  51. ifeq ($(call cc-option-yn,-mmcount-ra-address), y)
  52. cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS
  53. endif
  54. endif
  55. endif
  56. cflags-y += $(call cc-option, -mno-check-zero-division)
  57. ifdef CONFIG_32BIT
  58. ld-emul = $(32bit-emul)
  59. vmlinux-32 = vmlinux
  60. vmlinux-64 = vmlinux.64
  61. cflags-y += -mabi=32
  62. endif
  63. ifdef CONFIG_64BIT
  64. ld-emul = $(64bit-emul)
  65. vmlinux-32 = vmlinux.32
  66. vmlinux-64 = vmlinux
  67. cflags-y += -mabi=64
  68. endif
  69. all-$(CONFIG_BOOT_ELF32) := $(vmlinux-32)
  70. all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64)
  71. all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlinuz
  72. #
  73. # GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
  74. # code since it only slows down the whole thing. At some point we might make
  75. # use of global pointer optimizations but their use of $28 conflicts with
  76. # the current pointer optimization.
  77. #
  78. # The DECStation requires an ECOFF kernel for remote booting, other MIPS
  79. # machines may also. Since BFD is incredibly buggy with respect to
  80. # crossformat linking we rely on the elf2ecoff tool for format conversion.
  81. #
  82. cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
  83. cflags-y += -msoft-float
  84. LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
  85. MODFLAGS += -mlong-calls
  86. cflags-y += -ffreestanding
  87. #
  88. # We explicitly add the endianness specifier if needed, this allows
  89. # to compile kernels with a toolchain for the other endianness. We
  90. # carefully avoid to add it redundantly because gcc 3.3/3.4 complains
  91. # when fed the toolchain default!
  92. #
  93. # Certain gcc versions upto gcc 4.1.1 (probably 4.2-subversion as of
  94. # 2006-10-10 don't properly change the predefined symbols if -EB / -EL
  95. # are used, so we kludge that here. A bug has been filed at
  96. # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
  97. #
  98. undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
  99. undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
  100. predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
  101. predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
  102. cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
  103. cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
  104. cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
  105. cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
  106. -fno-omit-frame-pointer
  107. #
  108. # CPU-dependent compiler/assembler options for optimization.
  109. #
  110. cflags-$(CONFIG_CPU_R3000) += -march=r3000
  111. cflags-$(CONFIG_CPU_TX39XX) += -march=r3900
  112. cflags-$(CONFIG_CPU_R6000) += -march=r6000 -Wa,--trap
  113. cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap
  114. cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap
  115. cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
  116. cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
  117. cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
  118. -Wa,-mips32 -Wa,--trap
  119. cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
  120. -Wa,-mips32r2 -Wa,--trap
  121. cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
  122. -Wa,-mips64 -Wa,--trap
  123. cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
  124. -Wa,-mips64r2 -Wa,--trap
  125. cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
  126. cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
  127. -Wa,--trap
  128. cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
  129. -Wa,--trap
  130. cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
  131. -Wa,--trap
  132. cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
  133. -Wa,--trap
  134. cflags-$(CONFIG_CPU_RM9000) += $(call cc-option,-march=rm9000,-march=r5000) \
  135. -Wa,--trap
  136. cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
  137. -Wa,--trap
  138. cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
  139. cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
  140. -Wa,--trap
  141. cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += $(call cc-option,-march=octeon) -Wa,--trap
  142. ifeq (,$(findstring march=octeon, $(cflags-$(CONFIG_CPU_CAVIUM_OCTEON))))
  143. cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -Wa,-march=octeon
  144. endif
  145. cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,)
  146. cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,)
  147. cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,)
  148. ifdef CONFIG_CPU_SB1
  149. ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
  150. MODFLAGS += -msb1-pass1-workarounds
  151. endif
  152. endif
  153. #
  154. # Firmware support
  155. #
  156. libs-$(CONFIG_ARC) += arch/mips/fw/arc/
  157. libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
  158. libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
  159. libs-y += arch/mips/fw/lib/
  160. #
  161. # Kernel compression
  162. #
  163. ifdef SYS_SUPPORTS_ZBOOT
  164. COMPRESSION_FNAME = vmlinuz
  165. else
  166. COMPRESSION_FNAME = vmlinux
  167. endif
  168. #
  169. # Board-dependent options and extra files
  170. #
  171. include $(srctree)/arch/mips/Kbuild.platforms
  172. #
  173. # Wind River PPMC Board (4KC + GT64120)
  174. #
  175. core-$(CONFIG_WR_PPMC) += arch/mips/gt64120/wrppmc/
  176. cflags-$(CONFIG_WR_PPMC) += -I$(srctree)/arch/mips/include/asm/mach-wrppmc
  177. load-$(CONFIG_WR_PPMC) += 0xffffffff80100000
  178. #
  179. # MIPS Malta board
  180. #
  181. core-$(CONFIG_MIPS_MALTA) += arch/mips/mti-malta/
  182. cflags-$(CONFIG_MIPS_MALTA) += -I$(srctree)/arch/mips/include/asm/mach-malta
  183. load-$(CONFIG_MIPS_MALTA) += 0xffffffff80100000
  184. all-$(CONFIG_MIPS_MALTA) := $(COMPRESSION_FNAME).bin
  185. #
  186. # LASAT platforms
  187. #
  188. core-$(CONFIG_LASAT) += arch/mips/lasat/
  189. cflags-$(CONFIG_LASAT) += -I$(srctree)/arch/mips/include/asm/mach-lasat
  190. load-$(CONFIG_LASAT) += 0xffffffff80000000
  191. # NXP STB225
  192. core-$(CONFIG_SOC_PNX833X) += arch/mips/nxp/pnx833x/common/
  193. cflags-$(CONFIG_SOC_PNX833X) += -Iarch/mips/include/asm/mach-pnx833x
  194. libs-$(CONFIG_NXP_STB220) += arch/mips/nxp/pnx833x/stb22x/
  195. load-$(CONFIG_NXP_STB220) += 0xffffffff80001000
  196. libs-$(CONFIG_NXP_STB225) += arch/mips/nxp/pnx833x/stb22x/
  197. load-$(CONFIG_NXP_STB225) += 0xffffffff80001000
  198. #
  199. # Common NXP PNX8550
  200. #
  201. core-$(CONFIG_SOC_PNX8550) += arch/mips/nxp/pnx8550/common/
  202. cflags-$(CONFIG_SOC_PNX8550) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
  203. #
  204. # NXP PNX8550 JBS board
  205. #
  206. libs-$(CONFIG_PNX8550_JBS) += arch/mips/nxp/pnx8550/jbs/
  207. #cflags-$(CONFIG_PNX8550_JBS) += -I$(srctree)/arch/mips/include/asm/mach-pnx8550
  208. load-$(CONFIG_PNX8550_JBS) += 0xffffffff80060000
  209. # NXP PNX8550 STB810 board
  210. #
  211. libs-$(CONFIG_PNX8550_STB810) += arch/mips/nxp/pnx8550/stb810/
  212. load-$(CONFIG_PNX8550_STB810) += 0xffffffff80060000
  213. #
  214. # Common NEC EMMAXXX
  215. #
  216. core-$(CONFIG_SOC_EMMA2RH) += arch/mips/emma/common/
  217. cflags-$(CONFIG_SOC_EMMA2RH) += -I$(srctree)/arch/mips/include/asm/mach-emma2rh
  218. #
  219. # NEC EMMA2RH Mark-eins
  220. #
  221. core-$(CONFIG_NEC_MARKEINS) += arch/mips/emma/markeins/
  222. load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000
  223. #
  224. # Cisco PowerTV Platform
  225. #
  226. core-$(CONFIG_POWERTV) += arch/mips/powertv/
  227. cflags-$(CONFIG_POWERTV) += -I$(srctree)/arch/mips/include/asm/mach-powertv
  228. load-$(CONFIG_POWERTV) += 0xffffffff90800000
  229. #
  230. # SGI IP22 (Indy/Indigo2)
  231. #
  232. # Set the load address to >= 0xffffffff88069000 if you want to leave space for
  233. # symmon, 0xffffffff80002000 for production kernels. Note that the value must
  234. # be aligned to a multiple of the kernel stack size or the handling of the
  235. # current variable will break so for 64-bit kernels we have to raise the start
  236. # address by 8kb.
  237. #
  238. core-$(CONFIG_SGI_IP22) += arch/mips/sgi-ip22/
  239. cflags-$(CONFIG_SGI_IP22) += -I$(srctree)/arch/mips/include/asm/mach-ip22
  240. ifdef CONFIG_32BIT
  241. load-$(CONFIG_SGI_IP22) += 0xffffffff88002000
  242. endif
  243. ifdef CONFIG_64BIT
  244. load-$(CONFIG_SGI_IP22) += 0xffffffff88004000
  245. endif
  246. #
  247. # SGI IP28 (Indigo2 R10k)
  248. #
  249. # Set the load address to >= 0xa800000020080000 if you want to leave space for
  250. # symmon, 0xa800000020004000 for production kernels ? Note that the value must
  251. # be 16kb aligned or the handling of the current variable will break.
  252. # Simplified: what IP22 does at 128MB+ in ksegN, IP28 does at 512MB+ in xkphys
  253. #
  254. ifdef CONFIG_SGI_IP28
  255. ifeq ($(call cc-option-yn,-mr10k-cache-barrier=store), n)
  256. $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
  257. endif
  258. endif
  259. core-$(CONFIG_SGI_IP28) += arch/mips/sgi-ip22/
  260. cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
  261. load-$(CONFIG_SGI_IP28) += 0xa800000020004000
  262. #
  263. # SGI-IP32 (O2)
  264. #
  265. # Set the load address to >= 80069000 if you want to leave space for symmon,
  266. # 0xffffffff80004000 for production kernels. Note that the value must be aligned to
  267. # a multiple of the kernel stack size or the handling of the current variable
  268. # will break.
  269. #
  270. core-$(CONFIG_SGI_IP32) += arch/mips/sgi-ip32/
  271. cflags-$(CONFIG_SGI_IP32) += -I$(srctree)/arch/mips/include/asm/mach-ip32
  272. load-$(CONFIG_SGI_IP32) += 0xffffffff80004000
  273. #
  274. # Sibyte SB1250/BCM1480 SOC
  275. #
  276. # This is a LIB so that it links at the end, and initcalls are later
  277. # the sequence; but it is built as an object so that modules don't get
  278. # removed (as happens, even if they have __initcall/module_init)
  279. #
  280. core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/sb1250/
  281. core-$(CONFIG_SIBYTE_BCM112X) += arch/mips/sibyte/common/
  282. cflags-$(CONFIG_SIBYTE_BCM112X) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
  283. -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
  284. core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/sb1250/
  285. core-$(CONFIG_SIBYTE_SB1250) += arch/mips/sibyte/common/
  286. cflags-$(CONFIG_SIBYTE_SB1250) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
  287. -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL
  288. core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/bcm1480/
  289. core-$(CONFIG_SIBYTE_BCM1x55) += arch/mips/sibyte/common/
  290. cflags-$(CONFIG_SIBYTE_BCM1x55) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
  291. -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
  292. core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/bcm1480/
  293. core-$(CONFIG_SIBYTE_BCM1x80) += arch/mips/sibyte/common/
  294. cflags-$(CONFIG_SIBYTE_BCM1x80) += -I$(srctree)/arch/mips/include/asm/mach-sibyte \
  295. -DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL
  296. #
  297. # Sibyte BCM91120x (Carmel) board
  298. # Sibyte BCM91120C (CRhine) board
  299. # Sibyte BCM91125C (CRhone) board
  300. # Sibyte BCM91125E (Rhone) board
  301. # Sibyte SWARM board
  302. # Sibyte BCM91x80 (BigSur) board
  303. #
  304. core-$(CONFIG_SIBYTE_CARMEL) += arch/mips/sibyte/swarm/
  305. load-$(CONFIG_SIBYTE_CARMEL) := 0xffffffff80100000
  306. core-$(CONFIG_SIBYTE_CRHINE) += arch/mips/sibyte/swarm/
  307. load-$(CONFIG_SIBYTE_CRHINE) := 0xffffffff80100000
  308. core-$(CONFIG_SIBYTE_CRHONE) += arch/mips/sibyte/swarm/
  309. load-$(CONFIG_SIBYTE_CRHONE) := 0xffffffff80100000
  310. core-$(CONFIG_SIBYTE_RHONE) += arch/mips/sibyte/swarm/
  311. load-$(CONFIG_SIBYTE_RHONE) := 0xffffffff80100000
  312. core-$(CONFIG_SIBYTE_SENTOSA) += arch/mips/sibyte/swarm/
  313. load-$(CONFIG_SIBYTE_SENTOSA) := 0xffffffff80100000
  314. core-$(CONFIG_SIBYTE_SWARM) += arch/mips/sibyte/swarm/
  315. load-$(CONFIG_SIBYTE_SWARM) := 0xffffffff80100000
  316. core-$(CONFIG_SIBYTE_BIGSUR) += arch/mips/sibyte/swarm/
  317. load-$(CONFIG_SIBYTE_BIGSUR) := 0xffffffff80100000
  318. #
  319. # Broadcom BCM47XX boards
  320. #
  321. core-$(CONFIG_BCM47XX) += arch/mips/bcm47xx/
  322. cflags-$(CONFIG_BCM47XX) += -I$(srctree)/arch/mips/include/asm/mach-bcm47xx
  323. load-$(CONFIG_BCM47XX) := 0xffffffff80001000
  324. #
  325. # Broadcom BCM63XX boards
  326. #
  327. core-$(CONFIG_BCM63XX) += arch/mips/bcm63xx/
  328. cflags-$(CONFIG_BCM63XX) += -I$(srctree)/arch/mips/include/asm/mach-bcm63xx/
  329. load-$(CONFIG_BCM63XX) := 0xffffffff80010000
  330. #
  331. # SNI RM
  332. #
  333. core-$(CONFIG_SNI_RM) += arch/mips/sni/
  334. cflags-$(CONFIG_SNI_RM) += -I$(srctree)/arch/mips/include/asm/mach-rm
  335. ifdef CONFIG_CPU_LITTLE_ENDIAN
  336. load-$(CONFIG_SNI_RM) += 0xffffffff80600000
  337. else
  338. load-$(CONFIG_SNI_RM) += 0xffffffff80030000
  339. endif
  340. all-$(CONFIG_SNI_RM) := $(COMPRESSION_FNAME).ecoff
  341. #
  342. # Common TXx9
  343. #
  344. core-$(CONFIG_MACH_TX39XX) += arch/mips/txx9/generic/
  345. cflags-$(CONFIG_MACH_TX39XX) += -I$(srctree)/arch/mips/include/asm/mach-tx39xx
  346. load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000
  347. core-$(CONFIG_MACH_TX49XX) += arch/mips/txx9/generic/
  348. cflags-$(CONFIG_MACH_TX49XX) += -I$(srctree)/arch/mips/include/asm/mach-tx49xx
  349. load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000
  350. #
  351. # Toshiba JMR-TX3927 board
  352. #
  353. core-$(CONFIG_TOSHIBA_JMR3927) += arch/mips/txx9/jmr3927/
  354. #
  355. # Routerboard 532 board
  356. #
  357. core-$(CONFIG_MIKROTIK_RB532) += arch/mips/rb532/
  358. cflags-$(CONFIG_MIKROTIK_RB532) += -I$(srctree)/arch/mips/include/asm/mach-rc32434
  359. load-$(CONFIG_MIKROTIK_RB532) += 0xffffffff80101000
  360. #
  361. # Toshiba RBTX49XX boards
  362. #
  363. core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/txx9/rbtx4927/
  364. core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/
  365. core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/
  366. #
  367. # Cavium Octeon
  368. #
  369. core-$(CONFIG_CPU_CAVIUM_OCTEON) += arch/mips/cavium-octeon/
  370. cflags-$(CONFIG_CPU_CAVIUM_OCTEON) += -I$(srctree)/arch/mips/include/asm/mach-cavium-octeon
  371. core-$(CONFIG_CPU_CAVIUM_OCTEON) += arch/mips/cavium-octeon/executive/
  372. ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
  373. load-$(CONFIG_CPU_CAVIUM_OCTEON) += 0xffffffff84100000
  374. else
  375. load-$(CONFIG_CPU_CAVIUM_OCTEON) += 0xffffffff81100000
  376. endif
  377. cflags-y += -I$(srctree)/arch/mips/include/asm/mach-generic
  378. drivers-$(CONFIG_PCI) += arch/mips/pci/
  379. #
  380. # Automatically detect the build format. By default we choose
  381. # the elf format according to the load address.
  382. # We can always force a build with a 64-bits symbol format by
  383. # passing 'KBUILD_SYM32=no' option to the make's command line.
  384. #
  385. ifdef CONFIG_64BIT
  386. ifndef KBUILD_SYM32
  387. ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
  388. KBUILD_SYM32 = y
  389. endif
  390. endif
  391. ifeq ($(KBUILD_SYM32)$(call cc-option-yn,-msym32), yy)
  392. cflags-y += -msym32 -DKBUILD_64BIT_SYM32
  393. else
  394. ifeq ($(CONFIG_CPU_DADDI_WORKAROUNDS), y)
  395. $(error CONFIG_CPU_DADDI_WORKAROUNDS unsupported without -msym32)
  396. endif
  397. endif
  398. endif
  399. KBUILD_AFLAGS += $(cflags-y)
  400. KBUILD_CFLAGS += $(cflags-y)
  401. KBUILD_CPPFLAGS += -D"VMLINUX_LOAD_ADDRESS=$(load-y)"
  402. KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"
  403. LDFLAGS += -m $(ld-emul)
  404. ifdef CONFIG_MIPS
  405. CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
  406. egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
  407. sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
  408. ifdef CONFIG_64BIT
  409. CHECKFLAGS += -m64
  410. endif
  411. endif
  412. OBJCOPYFLAGS += --remove-section=.reginfo
  413. head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o
  414. libs-y += arch/mips/lib/
  415. # See arch/mips/Kbuild for content of core part of the kernel
  416. core-y += arch/mips/
  417. drivers-$(CONFIG_OPROFILE) += arch/mips/oprofile/
  418. # suspend and hibernation support
  419. drivers-$(CONFIG_PM) += arch/mips/power/
  420. ifdef CONFIG_LASAT
  421. rom.bin rom.sw: vmlinux
  422. $(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
  423. endif
  424. #
  425. # Some machines like the Indy need 32-bit ELF binaries for booting purposes.
  426. # Other need ECOFF, so we build a 32-bit ELF binary for them which we then
  427. # convert to ECOFF using elf2ecoff.
  428. #
  429. vmlinux.32: vmlinux
  430. $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
  431. #
  432. # The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
  433. # ELF files from 32-bit files by conversion.
  434. #
  435. vmlinux.64: vmlinux
  436. $(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@
  437. makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1)
  438. makezboot =$(Q)$(MAKE) $(build)=arch/mips/boot/compressed \
  439. VMLINUX_LOAD_ADDRESS=$(load-y) 32bit-bfd=$(32bit-bfd) $(1)
  440. all: $(all-y)
  441. vmlinuz: vmlinux FORCE
  442. +@$(call makezboot,$@)
  443. vmlinuz.bin: vmlinux
  444. +@$(call makezboot,$@)
  445. vmlinuz.ecoff: vmlinux
  446. +@$(call makezboot,$@)
  447. vmlinuz.srec: vmlinux
  448. +@$(call makezboot,$@)
  449. vmlinux.bin: $(vmlinux-32)
  450. +@$(call makeboot,$@)
  451. vmlinux.ecoff: $(vmlinux-32)
  452. +@$(call makeboot,$@)
  453. vmlinux.srec: $(vmlinux-32)
  454. +@$(call makeboot,$@)
  455. CLEAN_FILES += vmlinux.ecoff \
  456. vmlinux.srec
  457. archprepare:
  458. ifdef CONFIG_MIPS32_N32
  459. @echo ' Checking missing-syscalls for N32'
  460. $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
  461. endif
  462. ifdef CONFIG_MIPS32_O32
  463. @echo ' Checking missing-syscalls for O32'
  464. $(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
  465. endif
  466. install:
  467. $(Q)install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
  468. $(Q)install -D -m 755 vmlinuz $(INSTALL_PATH)/vmlinuz-$(KERNELRELEASE)
  469. $(Q)install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
  470. $(Q)install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
  471. archclean:
  472. @$(MAKE) $(clean)=arch/mips/boot
  473. @$(MAKE) $(clean)=arch/mips/boot/compressed
  474. @$(MAKE) $(clean)=arch/mips/lasat
  475. define archhelp
  476. echo ' install - install kernel into $(INSTALL_PATH)'
  477. echo ' vmlinux.ecoff - ECOFF boot image'
  478. echo ' vmlinux.bin - Raw binary boot image'
  479. echo ' vmlinux.srec - SREC boot image'
  480. echo ' vmlinuz - Compressed boot(zboot) image'
  481. echo ' vmlinuz.ecoff - ECOFF zboot image'
  482. echo ' vmlinuz.bin - Raw binary zboot image'
  483. echo ' vmlinuz.srec - SREC zboot image'
  484. echo
  485. echo ' These will be default as apropriate for a configured platform.'
  486. endef
  487. CLEAN_FILES += vmlinux.32 \
  488. vmlinux.64 \
  489. vmlinux.ecoff \
  490. vmlinuz \
  491. vmlinuz.ecoff \
  492. vmlinuz.bin \
  493. vmlinuz.srec