~pmdj/ubuntu/trusty/qemu/2.9+applesmc+fadtv3

real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)

real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))

# Add subdir path

extra-y := $(addprefix $(obj)/,$(extra-y))

always := $(addprefix $(obj)/,$(always))

targets := $(addprefix $(obj)/,$(targets))

modorder := $(addprefix $(obj)/,$(modorder))

obj-y := $(addprefix $(obj)/,$(obj-y))

obj-m := $(addprefix $(obj)/,$(obj-m))

lib-y := $(addprefix $(obj)/,$(lib-y))

subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y))

real-objs-y := $(addprefix $(obj)/,$(real-objs-y))

real-objs-m := $(addprefix $(obj)/,$(real-objs-m))

single-used-m := $(addprefix $(obj)/,$(single-used-m))

multi-used-y := $(addprefix $(obj)/,$(multi-used-y))

multi-used-m := $(addprefix $(obj)/,$(multi-used-m))

multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y))

multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m))

subdir-ym := $(addprefix $(obj)/,$(subdir-ym))

obj-dirs := $(addprefix $(obj)/,$(obj-dirs))

# These flags are needed for modversions and compiling, so we define them here

# already

# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will

# end up in (or would, if it gets compiled in)

# Note: Files that end up in two or more modules are compiled without the

# KBUILD_MODNAME definition. The reason is that any made-up name would

# differ in different configs.

name-fix = $(subst $(comma),_,$(subst -,_,$1))

100

basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"

101

modname_flags = $(if $(filter 1,$(words $(modname))),\

102

-D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")

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104

orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \

105

$(ccflags-y) $(CFLAGS_$(basetarget).o)

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_c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))

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_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \

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$(asflags-y) $(AFLAGS_$(basetarget).o)

109

_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F))

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111

112

# Enable gcov profiling flags for a file, directory or for all files depending

113

# on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL

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# (in this order)

115

116

ifeq ($(CONFIG_GCOV_KERNEL),y)

117

_c_flags += $(if $(patsubst n%,, \

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$(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \

119

$(CFLAGS_GCOV))

120

endif

121

122

# If building the kernel in a separate objtree expand all occurrences

123

# of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').

124

125

ifeq ($(KBUILD_SRC),)

126

__c_flags = $(_c_flags)

127

__a_flags = $(_a_flags)

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__cpp_flags = $(_cpp_flags)

129

else

130

131

# -I$(obj) locates generated .h files

132

# $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files

133

# and locates generated .h files

134

# FIXME: Replace both with specific CFLAGS* statements in the makefiles

135

__c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags)

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__a_flags = $(call flags,_a_flags)

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__cpp_flags = $(call flags,_cpp_flags)

138

endif

139

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# Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE

141

c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \

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$(__c_flags) $(modkern_cflags) \

143

-D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)

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145

a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \

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$(__a_flags) $(modkern_aflags)

147

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cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \

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$(__cpp_flags)

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ld_flags = $(LDFLAGS) $(ldflags-y)

152

153

# Modified for U-Boot

154

dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \

155

-I$(srctree)/arch/$(ARCH)/dts \

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-undef -D__DTS__

157

158

# Finds the multi-part object the current object will be linked into

159

modname-multi = $(sort $(foreach m,$(multi-used),\

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$(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))

161

162

ifdef REGENERATE_PARSERS

163

164

# GPERF

165

# ---------------------------------------------------------------------------

166

quiet_cmd_gperf = GPERF $@

167

cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $<

168

169

.PRECIOUS: $(src)/%.hash.c_shipped

170

$(src)/%.hash.c_shipped: $(src)/%.gperf

171

$(call cmd,gperf)

172

173

# LEX

174

# ---------------------------------------------------------------------------

175

LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy)

176

177

quiet_cmd_flex = LEX $@

178

cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $<

179

180

.PRECIOUS: $(src)/%.lex.c_shipped

181

$(src)/%.lex.c_shipped: $(src)/%.l

182

$(call cmd,flex)

183

184

# YACC

185

# ---------------------------------------------------------------------------

186

YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy)

187

188

quiet_cmd_bison = YACC $@

189

cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $<

190

191

.PRECIOUS: $(src)/%.tab.c_shipped

192

$(src)/%.tab.c_shipped: $(src)/%.y

193

$(call cmd,bison)

194

195

quiet_cmd_bison_h = YACC $@

196

cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $<

197

198

.PRECIOUS: $(src)/%.tab.h_shipped

199

$(src)/%.tab.h_shipped: $(src)/%.y

200

$(call cmd,bison_h)

201

202

endif

203

204

# Shipped files

205

# ===========================================================================

206

207

quiet_cmd_shipped = SHIPPED $@

208

cmd_shipped = cat $< > $@

209

210

$(obj)/%: $(src)/%_shipped

211

$(call cmd,shipped)

212

213

# Commands useful for building a boot image

214

# ===========================================================================

215

216

# Use as following:

217

218

# target: source(s) FORCE

219

# $(if_changed,ld/objcopy/gzip)

220

221

# and add target to extra-y so that we know we have to

222

# read in the saved command line

223

224

# Linking

225

# ---------------------------------------------------------------------------

226

227

quiet_cmd_ld = LD $@

228

cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \

229

$(filter-out FORCE,$^) -o $@

230

231

# Objcopy

232

# ---------------------------------------------------------------------------

233

234

quiet_cmd_objcopy = OBJCOPY $@

235

cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@

236

237

# Gzip

238

# ---------------------------------------------------------------------------

239

240

quiet_cmd_gzip = GZIP $@

241

cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \

242

(rm -f $@ ; false)

243

244

# DTC

245

# ---------------------------------------------------------------------------

246

247

# Generate an assembly file to wrap the output of the device tree compiler

248

quiet_cmd_dt_S_dtb= DTB $@

249

# Modified for U-Boot

250

cmd_dt_S_dtb= \

251

( \

252

echo '.section .dtb.init.rodata,"a"'; \

253

echo '.global __dtb_$(*F)_begin'; \

254

echo '__dtb_$(*F)_begin:'; \

255

echo '.incbin "$<" '; \

256

echo '__dtb_$(*F)_end:'; \

257

echo '.global __dtb_$(*F)_end'; \

258

) > $@

259

260

$(obj)/%.dtb.S: $(obj)/%.dtb

261

$(call cmd,dt_S_dtb)

262

263

quiet_cmd_dtc = DTC $@

264

# Modified for U-Boot

265

cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \

266

dtc -O dtb -o $@ -b 0 \

267

-i $(dir $<) $(DTC_FLAGS) \

268

-d $(depfile).dtc.tmp $(dtc-tmp) ; \

269

cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)

270

271

$(obj)/%.dtb: $(src)/%.dts FORCE

272

$(call if_changed_dep,dtc)

273

274

dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)

275

276

# Helper targets for Installing DTBs into the boot directory

277

quiet_cmd_dtb_install = INSTALL $<

278

cmd_dtb_install = cp $< $(2)

279

280

_dtbinst_pre_:

281

$(Q)if [ -d $(INSTALL_DTBS_PATH).old ]; then rm -rf $(INSTALL_DTBS_PATH).old; fi

282

$(Q)if [ -d $(INSTALL_DTBS_PATH) ]; then mv $(INSTALL_DTBS_PATH) $(INSTALL_DTBS_PATH).old; fi

283

$(Q)mkdir -p $(INSTALL_DTBS_PATH)

284

285

%.dtb_dtbinst_: $(obj)/%.dtb _dtbinst_pre_

286

$(call cmd,dtb_install,$(INSTALL_DTBS_PATH))

287

288

# Bzip2

289

# ---------------------------------------------------------------------------

290

291

# Bzip2 and LZMA do not include size in file... so we have to fake that;

292

# append the size as a 32-bit littleendian number as gzip does.

293

size_append = printf $(shell \

294

dec_size=0; \

295

for F in $1; do \

296

fsize=$$(stat -c "%s" $$F); \

297

dec_size=$$(expr $$dec_size + $$fsize); \

298

done; \

299

printf "%08x\n" $$dec_size | \

300

sed 's/$..$/\1 /g' | { \

301

read ch0 ch1 ch2 ch3; \

302

for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \

303

printf '%s%03o' '\\' $$((0x$$ch)); \

304

done; \

305

} \

306

)

307

308

quiet_cmd_bzip2 = BZIP2 $@

309

cmd_bzip2 = (cat $(filter-out FORCE,$^) | \

310

bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \

311

(rm -f $@ ; false)

312

313

# Lzma

314

# ---------------------------------------------------------------------------

315

316

quiet_cmd_lzma = LZMA $@

317

cmd_lzma = (cat $(filter-out FORCE,$^) | \

318

lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \

319

(rm -f $@ ; false)

320

321

quiet_cmd_lzo = LZO $@

322

cmd_lzo = (cat $(filter-out FORCE,$^) | \

323

lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \

324

(rm -f $@ ; false)

325

326

quiet_cmd_lz4 = LZ4 $@

327

cmd_lz4 = (cat $(filter-out FORCE,$^) | \

328

lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \

329

(rm -f $@ ; false)

330

331

# U-Boot mkimage

332

# ---------------------------------------------------------------------------

333

334

MKIMAGE := $(srctree)/scripts/mkuboot.sh

335

336

# SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces

337

# the number of overrides in arch makefiles

338

UIMAGE_ARCH ?= $(SRCARCH)

339

UIMAGE_COMPRESSION ?= $(if $(2),$(2),none)

340

UIMAGE_OPTS-y ?=

341

UIMAGE_TYPE ?= kernel

342

UIMAGE_LOADADDR ?= arch_must_set_this

343

UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR)

344

UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)'

345

UIMAGE_IN ?= $<

346

UIMAGE_OUT ?= $@

347

348

quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT)

349

cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \

350

-C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \

351

-T $(UIMAGE_TYPE) \

352

-a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \

353

-n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT)

354

355

# XZ

356

# ---------------------------------------------------------------------------

357

# Use xzkern to compress the kernel image and xzmisc to compress other things.

358

359

# xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage

360

# of the kernel decompressor. A BCJ filter is used if it is available for

361

# the target architecture. xzkern also appends uncompressed size of the data

362

# using size_append. The .xz format has the size information available at

363

# the end of the file too, but it's in more complex format and it's good to

364

# avoid changing the part of the boot code that reads the uncompressed size.

365

# Note that the bytes added by size_append will make the xz tool think that

366

# the file is corrupt. This is expected.

367

368

# xzmisc doesn't use size_append, so it can be used to create normal .xz

369

# files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very

370

# big dictionary would increase the memory usage too much in the multi-call

371

# decompression mode. A BCJ filter isn't used either.

372

quiet_cmd_xzkern = XZKERN $@

373

cmd_xzkern = (cat $(filter-out FORCE,$^) | \

374

sh $(srctree)/scripts/xz_wrap.sh && \

375

$(call size_append, $(filter-out FORCE,$^))) > $@ || \

376

(rm -f $@ ; false)

377

378

quiet_cmd_xzmisc = XZMISC $@

379

cmd_xzmisc = (cat $(filter-out FORCE,$^) | \

380

xz --check=crc32 --lzma2=dict=1MiB) > $@ || \

381

(rm -f $@ ; false)

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