summaryrefslogtreecommitdiffstats
blob: 5cd7a4741f0708150ad94e6dc4ad72f5aaf81592 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
########################################################################### ###
#@Title         Root build configuration.
#@Copyright     Copyright (c) Imagination Technologies Ltd. All Rights Reserved
#@License       Dual MIT/GPLv2
# 
# The contents of this file are subject to the MIT license as set out below.
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# Alternatively, the contents of this file may be used under the terms of
# the GNU General Public License Version 2 ("GPL") in which case the provisions
# of GPL are applicable instead of those above.
# 
# If you wish to allow use of your version of this file only under the terms of
# GPL, and not to allow others to use your version of this file under the terms
# of the MIT license, indicate your decision by deleting the provisions above
# and replace them with the notice and other provisions required by GPL as set
# out in the file called "GPL-COPYING" included in this distribution. If you do
# not delete the provisions above, a recipient may use your version of this file
# under the terms of either the MIT license or GPL.
# 
# This License is also included in this distribution in the file called
# "MIT-COPYING".
# 
# EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
# PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
### ###########################################################################

# Configuration wrapper for new build system. This file deals with
# configuration of the build. Add to this file anything that deals
# with switching driver options on/off and altering the defines or
# objects the build uses.
#
# At the end of this file is an exhaustive list of all variables
# that are passed between the platform/config stage and the generic
# build. PLEASE refrain from adding more variables than necessary
# to this stage -- almost all options can go through config.h.
#

################################# MACROS ####################################

# Write out a kernel GNU make option.
#
define KernelConfigMake
$$(shell echo "override $(1) := $(2)" >>$(CONFIG_KERNEL_MK).new)
$(if $(filter config,$(D)),$(info KernelConfigMake $(1) := $(2) 	# $(if $($(1)),$(origin $(1)),default)))
endef

# Write out a GNU make option for both user & kernel
#
define BothConfigMake
$$(eval $$(call KernelConfigMake,$(1),$(2)))
endef

# Conditionally write out a kernel GNU make option
#
define TunableKernelConfigMake
ifneq ($$($(1)),)
ifneq ($$($(1)),0)
$$(eval $$(call KernelConfigMake,$(1),$$($(1))))
endif
else
ifneq ($(2),)
$$(eval $$(call KernelConfigMake,$(1),$(2)))
endif
endif
endef

# Conditionally write out a GNU make option for both user & kernel
#
define TunableBothConfigMake
$$(eval $$(call TunableKernelConfigMake,$(1),$(2)))
endef

# Write out a kernel-only option
#
define KernelConfigC
$$(shell echo "#define $(1) $(2)" >>$(CONFIG_KERNEL_H).new)
$(if $(filter config,$(D)),$(info KernelConfigC    #define $(1) $(2) 	/* $(if $($(1)),$(origin $(1)),default) */),)
endef

# Write out an option for both user & kernel
#
define BothConfigC
$$(eval $$(call KernelConfigC,$(1),$(2)))
endef

# Conditionally write out a kernel-only option
#
define TunableKernelConfigC
ifneq ($$($(1)),)
ifneq ($$($(1)),0)
ifeq ($$($(1)),1)
$$(eval $$(call KernelConfigC,$(1),))
else
$$(eval $$(call KernelConfigC,$(1),$$($(1))))
endif
endif
else
ifneq ($(2),)
ifeq ($(2),1)
$$(eval $$(call KernelConfigC,$(1),))
else
$$(eval $$(call KernelConfigC,$(1),$(2)))
endif
endif
endif
endef

# Conditionally write out an option for both user & kernel
#
define TunableBothConfigC
$$(eval $$(call TunableKernelConfigC,$(1),$(2)))
endef

############################### END MACROS ##################################

# Check we have a new enough version of GNU make.
#
need := 3.81
ifeq ($(filter $(need),$(firstword $(sort $(MAKE_VERSION) $(need)))),)
$(error A version of GNU make >= $(need) is required - this is version $(MAKE_VERSION))
endif

# Try to guess EURASIAROOT if it wasn't set. Check this location.
#
_GUESSED_EURASIAROOT := $(abspath ../../../..)
ifneq ($(strip $(EURASIAROOT)),)
# We don't want to warn about EURASIAROOT if it's empty: this might mean that
# it's not set at all anywhere, but it could also mean that it's set like
# "export EURASIAROOT=" or "make EURASIAROOT= sometarget". If it is set but
# empty, we'll act as if it's unset and not warn.
ifneq ($(strip $(EURASIAROOT)),$(_GUESSED_EURASIAROOT))
nothing :=
space := $(nothing) $(nothing)
$(warning EURASIAROOT is set (via: $(origin EURASIAROOT)), but its value does not)
$(warning match the root of this source tree, so it is being ignored)
$(warning EURASIAROOT is set to: $(EURASIAROOT))
$(warning $(space)The detected root is: $(_GUESSED_EURASIAROOT))
$(warning To suppress this message, unset EURASIAROOT or set it empty)
endif
# else, EURASIAROOT matched the actual root of the source tree: don't warn
endif
override EURASIAROOT := $(_GUESSED_EURASIAROOT)
TOP := $(EURASIAROOT)

ifneq ($(words $(TOP)),1)
$(warning This source tree is located in a path which contains whitespace,)
$(warning which is not supported.)
$(warning $(space)The root is: $(TOP))
$(error Whitespace found in $$(TOP))
endif

$(call directory-must-exist,$(TOP))

include ../defs.mk

# Infer PVR_BUILD_DIR from the directory configuration is launched from.
# Check anyway that such a directory exists.
#
PVR_BUILD_DIR := $(notdir $(abspath .))
$(call directory-must-exist,$(TOP)/eurasiacon/build/linux2/$(PVR_BUILD_DIR))

# Output directory for configuration, object code,
# final programs/libraries, and install/rc scripts.
#
BUILD	?= release
ifneq ($(WINDOW_SYSTEM),)
OUT ?= $(TOP)/eurasiacon/binary_$(PVR_BUILD_DIR)_$(WINDOW_SYSTEM)_$(BUILD)
else
OUT ?= $(TOP)/eurasiacon/binary2_$(PVR_BUILD_DIR)_$(BUILD)
endif
override OUT := $(if $(filter /%,$(OUT)),$(OUT),$(TOP)/$(OUT))

CONFIG_MK			:= $(OUT)/config.mk
CONFIG_H			:= $(OUT)/config.h
CONFIG_KERNEL_MK	:= $(OUT)/config_kernel.mk
CONFIG_KERNEL_H		:= $(OUT)/config_kernel.h

# Convert commas to spaces in $(D). This is so you can say "make
# D=config-changes,freeze-config" and have $(filter config-changes,$(D))
# still work.
comma := ,
empty :=
space := $(empty) $(empty)
override D := $(subst $(comma),$(space),$(D))

# Create the OUT directory and delete any previous intermediary files
#
$(shell mkdir -p $(OUT))
$(shell \
	for file in $(CONFIG_MK).new $(CONFIG_H).new \
				$(CONFIG_KERNEL_MK).new $(CONFIG_KERNEL_H).new; do \
		rm -f $$file; \
	done)

# Some targets don't need information about any modules. If we only specify
# these targets on the make command line, set INTERNAL_CLOBBER_ONLY to
# indicate that toplevel.mk shouldn't read any makefiles
CLOBBER_ONLY_TARGETS := clean clobber help install
INTERNAL_CLOBBER_ONLY :=
ifneq ($(strip $(MAKECMDGOALS)),)
INTERNAL_CLOBBER_ONLY := \
$(if \
 $(strip $(foreach _cmdgoal,$(MAKECMDGOALS),\
          $(if $(filter $(_cmdgoal),$(CLOBBER_ONLY_TARGETS)),,x))),,true)
endif

# For a clobber-only build, we shouldn't regenerate any config files, or
# require things like SGXCORE to be set
ifneq ($(INTERNAL_CLOBBER_ONLY),true)

# These are defined by the core build system, but we might need them
# earlier to feature-check the compilers
#
_CC		:= $(if $(filter default,$(origin CC)),gcc,$(CC))
_CLANG	:= \
 $(shell $(TOP)/eurasiacon/build/linux2/tools/cc-check.sh --clang --cc $(_CC))
ifeq ($(_CLANG),true)
_CC		:= $(_CC) -target $(patsubst %-,%,$(CROSS_COMPILE))
else
_CC		:= $(CROSS_COMPILE)$(_CC)
endif
HOST_CC	?= gcc

-include ../config/user-defs.mk

# FIXME: Backwards compatibility remaps.
#
ifeq ($(SUPPORT_SLC),1)
SGX_FEATURE_SYSTEM_CACHE := 1
endif
ifeq ($(BYPASS_SLC),1)
SGX_BYPASS_SYSTEM_CACHE := 1
endif
ifeq ($(BYPASS_DCU),1)
SGX_BYPASS_DCU := 1
endif
ifneq ($(SGXCOREREV),)
SGX_CORE_REV := $(SGXCOREREV)
endif

# Core handling
#
ifeq ($(SGXCORE),)
$(error Must specify SGXCORE)
endif
ifeq ($(SGX_CORE_REV),)
override USE_SGX_CORE_REV_HEAD := 1
else ifeq ($(SGX_CORE_REV),000)
override USE_SGX_CORE_REV_HEAD := 1
override SGX_CORE_REV :=
else
override USE_SGX_CORE_REV_HEAD := 0
endif

# Enforced dependencies. Move this to an include.
#
ifeq ($(SUPPORT_LINUX_USING_WORKQUEUES),1)
override PVR_LINUX_USING_WORKQUEUES := 1
override PVR_LINUX_MISR_USING_PRIVATE_WORKQUEUE := 1
override PVR_LINUX_TIMERS_USING_WORKQUEUES := 1
ifneq ($(SUPPORT_ANDROID_FPGA),1)
override SYS_CUSTOM_POWERLOCK_WRAP := 1
endif
else ifeq ($(SUPPORT_LINUX_USING_SHARED_WORKQUEUES),1)
override PVR_LINUX_USING_WORKQUEUES := 1
override PVR_LINUX_MISR_USING_WORKQUEUE := 1
override PVR_LINUX_TIMERS_USING_SHARED_WORKQUEUE := 1
override SYS_CUSTOM_POWERLOCK_WRAP := 1
endif

ifneq ($(PDUMP),1)
override SUPPORT_PDUMP_MULTI_PROCESS := 0
endif

ifeq ($(SUPPORT_HYBRID_PB),1)
override SUPPORT_SHARED_PB := 1
override SUPPORT_PERCONTEXT_PB := 1
else ifeq ($(SUPPORT_PERCONTEXT_PB),1)
override SUPPORT_SHARED_PB := 0
endif

ifeq ($(NO_HARDWARE),1)
override SYS_USING_INTERRUPTS := 0
override SUPPORT_HW_RECOVERY := 0
override SUPPORT_ACTIVE_POWER_MANAGEMENT := 0
endif

ifeq ($(SGX_FEATURE_36BIT_MMU),1)
override IMG_ADDRSPACE_PHYSADDR_BITS := 64
else
override IMG_ADDRSPACE_PHYSADDR_BITS := 32
endif

ifeq ($(SGXCORE),535)
ifeq ($(PVRSRV_USSE_EDM_STATUS_DEBUG),1)
SUPPORT_SGX_HWPERF ?= not-overridden
ifeq ($(SUPPORT_SGX_HWPERF),not-overridden)
$(warning Setting SUPPORT_SGX_HWPERF=0 because PVRSRV_USSE_EDM_STATUS_DEBUG=1)
SUPPORT_SGX_HWPERF := 0
endif
endif
PVR2D_ALT_2DHW ?= 0
endif

# Multi-core handling must be done separately to other options
# Also do some sanity checks
#
ifeq ($(SGX_FEATURE_MP),1)
ifeq ($(SGX_FEATURE_MP_CORE_COUNT),)
ifeq ($(SGX_FEATURE_MP_CORE_COUNT_TA),)
$(error Must specify SGX_FEATURE_MP_CORE_COUNT or both SGX_FEATURE_MP_CORE_COUNT_TA and SGX_FEATURE_MP_CORE_COUNT_3D with SGX_FEATURE_MP)
else
$(eval $(call BothConfigC,SGX_FEATURE_MP_CORE_COUNT_TA,$(SGX_FEATURE_MP_CORE_COUNT_TA)))
endif
ifeq ($(SGX_FEATURE_MP_CORE_COUNT_3D),)
$(error Must specify SGX_FEATURE_MP_CORE_COUNT or both SGX_FEATURE_MP_CORE_COUNT_TA and SGX_FEATURE_MP_CORE_COUNT_3D with SGX_FEATURE_MP)
else
$(eval $(call BothConfigC,SGX_FEATURE_MP_CORE_COUNT_3D,$(SGX_FEATURE_MP_CORE_COUNT_3D)))
endif
else
$(eval $(call BothConfigC,SGX_FEATURE_MP_CORE_COUNT,$(SGX_FEATURE_MP_CORE_COUNT)))
endif
endif

# Rather than requiring the user to have to define two variables (one quoted,
# one not), make PVRSRV_MODNAME a non-tunable and give it an overridable
# default here.
#
PVRSRV_MODNAME ?= pvrsrvkm

# Normally builds don't touch this, but we use it to influence the components
# list. Make sure it is defined early enough to make this possible.
#
SUPPORT_PVRSRV_DEVICE_CLASS ?= 1

# The user didn't set CROSS_COMPILE. There's probably nothing wrong
# with that, but we'll let them know anyway.
#
ifeq ($(CROSS_COMPILE),)
$(warning CROSS_COMPILE is not set. Target components will be built with the host compiler)
endif

# The user is trying to set one of the old SUPPORT_ options on the
# command line or in the environment. This isn't supported any more
# and will often break the build. The user is generally only trying
# to remove a component from the list of targets to build, so we'll
# point them at the new way of doing this.
define sanity-check-support-option-origin
ifeq ($$(filter undefined file,$$(origin $(1))),)
$$(warning *** Setting $(1) via $$(origin $(1)) is deprecated)
$$(error If you are trying to disable a component, use e.g. EXCLUDED_APIS="opengles1 opengl")
endif
endef
$(foreach _o,SYS_CFLAGS SYS_CXXFLAGS SYS_INCLUDES SYS_COMMON_LDFLAGS SYS_EXE_LDFLAGS SYS_LIB_LDFLAGS SYS_EXE_LDFLAGS_CXX SYS_LIB_LDFLAGS_CXX SUPPORT_EWS SUPPORT_OPENGLES1 SUPPORT_OPENGLES2 SUPPORT_OPENCL SUPPORT_RSCOMPUTE SUPPORT_OPENGL SUPPORT_UNITTESTS SUPPORT_XORG,$(eval $(call sanity-check-support-option-origin,$(_o))))

# Check for words in EXCLUDED_APIS that aren't understood by the
# common/apis/*.mk files. This should be kept in sync with all the tests on
# EXCLUDED_APIS in those files
_excludable_apis := rscompute opencl opengl opengles1 opengles2 openvg ews unittests xorg xorg_unittests scripts composerhal camerahal memtrackhal
_excluded_apis := $(subst $(comma),$(space),$(EXCLUDED_APIS))
_unrecognised := $(strip $(filter-out $(_excludable_apis),$(_excluded_apis)))
ifneq ($(_unrecognised),)
$(warning *** Unrecognised entries in EXCLUDED_APIS: $(_unrecognised))
$(warning *** EXCLUDED_APIS was set via: $(origin EXCLUDED_APIS))
$(error Excludable APIs are: $(_excludable_apis))
endif

override EXCLUDED_APIS := $(filter $(_excludable_apis), $(_excluded_apis))

# Build's selected list of components
#
-include components.mk

# PDUMP needs extra components
#
ifeq ($(PDUMP),1)
ifneq ($(COMPONENTS),)
COMPONENTS += pdump
endif
ifeq ($(SUPPORT_DRI_DRM),1)
EXTRA_PVRSRVKM_COMPONENTS += dbgdrv
else
KERNEL_COMPONENTS += dbgdrv
endif
endif

ifeq ($(SUPPORT_PVR_REMOTE),1)
ifneq ($(filter pvr2d,$(COMPONENTS)),)
COMPONENTS += null_pvr2d_remote
endif
COMPONENTS += pvrvncsrv
COMPONENTS += pvrvncinput
endif

ifeq ($(HAVE_WINDOW_SYSTEM_MAKEFILE),)
  ifeq ($(WINDOW_SYSTEM_SET_INTERNALLY),)
   ifneq ($(WINDOW_SYSTEM),)
    $(error "The WINDOW_SYSTEM build variable is not supported on this platform")
   endif
  endif
  ifneq ($(MESA_EGL),)
   $(error "The MESA_EGL build variable is not supported on this platform")
  endif
  PVR_LWS_NODC :=
  PVR_LWS_NOBC :=
endif

ifneq ($(WINDOW_SYSTEM),)
endif
ifeq ($(MESA_EGL),1)
 SUPPORT_OPENGLES1_V1_ONLY := 1
 GLES1_EXTENSION_EGL_IMAGE_EXTERNAL := 1
 GLES2_EXTENSION_EGL_IMAGE_EXTERNAL := 1
else
 ifeq ($(SUPPORT_BUILD_LWS),1)
 else
 endif
endif

$(if $(filter config,$(D)),$(info Build configuration:))

################################# CONFIG ####################################

# If KERNELDIR is set, write it out to the config.mk, with
# KERNEL_COMPONENTS and KERNEL_ID
#
ifneq ($(strip $(KERNELDIR)),)
include ../kernel_version.mk
PVRSRV_MODULE_BASEDIR ?= /lib/modules/$(KERNEL_ID)/extra/
$(eval $(call KernelConfigMake,KERNELDIR,$(KERNELDIR)))
# Needed only by install script
$(eval $(call KernelConfigMake,KERNEL_COMPONENTS,$(KERNEL_COMPONENTS)))
$(eval $(call TunableKernelConfigMake,EXTRA_PVRSRVKM_COMPONENTS,))
$(eval $(call TunableKernelConfigMake,EXTRA_KBUILD_SOURCE,))

# If KERNEL_CROSS_COMPILE is set to "undef", this is magically
# equivalent to being unset. If it is unset, we use CROSS_COMPILE
# (which might also be unset). If it is set, use it directly.
ifneq ($(KERNEL_CROSS_COMPILE),undef)
KERNEL_CROSS_COMPILE ?= $(CROSS_COMPILE)
$(eval $(call TunableBothConfigMake,KERNEL_CROSS_COMPILE,))
endif

# Check the KERNELDIR has a kernel built.
VMLINUX := 
LINUXCFG := $(strip $(wildcard $(KERNELDIR)/.config))

ifneq ($(VMLINUX),)
ifneq ($(shell file $(KERNELDIR)/vmlinux | grep 64-bit >/dev/null && echo 1),$(shell $(_CC) -dM -E - </dev/null | grep __x86_64__ >/dev/null && echo 1))
$(error Attempting to build 64-bit DDK against 32-bit kernel, or 32-bit DDK against 64-bit kernel. This is not allowed.)
endif
VMLINUX_IS_64BIT := $(shell file $(VMLINUX) | grep 64-bit >/dev/null || echo false)
VMLINUX_HAS_PAE36 := $(shell cat $(LINUXCFG) | grep CONFIG_X86_PAE=y >/dev/null || echo false)
VMLINUX_HAS_PAE40 := $(shell cat $(LINUXCFG) | grep CONFIG_ARM_LPAE=y >/dev/null || echo false)
VMLINUX_HAS_DMA32 := $(shell cat $(LINUXCFG) | grep CONFIG_ZONE_DMA32=y >/dev/null || echo false)
VMLINUX_HAS_DMA := $(shell cat $(LINUXCFG) | grep CONFIG_ZONE_DMA=y >/dev/null || echo false)


# $(error 64BIT=$(VMLINUX_IS_64BIT) PAE36=$(VMLINUX_HAS_PAE36) PAE40=$(VMLINUX_HAS_PAE40) DMA=$(VMLINUX_HAS_DMA) DMA32=$(VMLINUX_HAS_DMA32) MMU36=$(SGX_FEATURE_36BIT_MMU))

ifneq ($(VMLINUX_IS_64BIT),false)
$(warning $$(KERNELDIR)/vmlinux: Note: vmlinux is 64-bit, which is supported but currently experimental.)
endif
else
$(warning $$(KERNELDIR)/vmlinux does not exist. Kbuild may fail.)
endif
endif

ifneq ($(VMLINUX_HAS_PAE40),false)
ifeq ($(VMLINUX_HAS_DMA),false)
$(warning SGX MMUs are currently supported up to only 36 bits max. Your Kernel is built with 40-bit PAE but does not have CONFIG_ZONE_DMA.)
$(warning This means you must ensure the runtime system has <= 4GB of RAM, or there will be BIG problems...)
endif 
endif

ifneq ($(SGX_FEATURE_36BIT_MMU),1)
ifneq ($(VMLINUX_IS_64BIT),false)
# Kernel is 64-bit
ifeq ($(VMLINUX_HAS_DMA32),false)
$(warning SGX is configured with 32-bit MMU. Your Kernel is 64-bit but does not have CONFIG_ZONE_DMA32.)
$(warning This means you must ensure the runtime system has <= 4GB of RAM, or there will be BIG problems...)
endif
else
 # Kernel is 32-bit
ifneq ($(VMLINUX_HAS_PAE36),false)
ifeq ($(VMLINUX_HAS_DMA),false)
$(warning SGX is configured with 32-bit MMU. Your Kernel is 32-bit PAE, but does not have CONFIG_ZONE_DMA. )
$(warning This means you must ensure the runtime system has <= 4GB of RAM, or there will be BIG problems...)
endif
endif
endif
endif


# Ideally configured by platform Makefiles, as necessary
#

# Invariant options for Linux
#
$(eval $(call BothConfigC,LINUX,))

$(eval $(call BothConfigC,PVR_BUILD_DIR,"\"$(PVR_BUILD_DIR)\""))
$(eval $(call BothConfigC,PVR_BUILD_TYPE,"\"$(BUILD)\""))
$(eval $(call BothConfigC,PVRSRV_MODNAME,"\"$(PVRSRV_MODNAME)\""))

$(eval $(call TunableBothConfigC,SGXCORE,))
$(eval $(call BothConfigC,SGX$(SGXCORE),))
$(eval $(call BothConfigC,SUPPORT_SGX$(SGXCORE),))

$(eval $(call TunableBothConfigC,SUPPORT_SGX,1))
$(eval $(call TunableBothConfigC,SGX_CORE_REV,))
$(eval $(call TunableBothConfigC,USE_SGX_CORE_REV_HEAD,))

$(eval $(call BothConfigC,TRANSFER_QUEUE,))
$(eval $(call BothConfigC,PVR_SECURE_HANDLES,))

# Support syncing LISR & MISR. This is required for OS's where
# on SPM platforms the LISR and MISR can run at the same time and
# thus during powerdown we need to drain all pending LISRs before
# proceeding to do the actual powerdown
$(eval $(call KernelConfigC,SUPPORT_LISR_MISR_SYNC))

ifneq ($(DISPLAY_CONTROLLER),)
$(eval $(call BothConfigC,DISPLAY_CONTROLLER,$(DISPLAY_CONTROLLER)))
endif

ifneq ($(DRM_DISPLAY_CONTROLLER),)
endif

ifneq ($(strip $(KERNELDIR)),)
PVR_LINUX_MEM_AREA_POOL_MAX_PAGES ?= 0
ifneq ($(PVR_LINUX_MEM_AREA_POOL_MAX_PAGES),0)
PVR_LINUX_MEM_AREA_USE_VMAP ?= 1
include ../kernel_version.mk
ifeq ($(call kernel-version-at-least,3,0),true)
PVR_LINUX_MEM_AREA_POOL_ALLOW_SHRINK ?= 1
endif
endif
$(eval $(call KernelConfigC,PVR_LINUX_MEM_AREA_POOL_MAX_PAGES,$(PVR_LINUX_MEM_AREA_POOL_MAX_PAGES)))
$(eval $(call TunableKernelConfigC,PVR_LINUX_MEM_AREA_USE_VMAP,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_MEM_AREA_POOL_ALLOW_SHRINK,))
endif


$(eval $(call BothConfigMake,PVR_SYSTEM,$(PVR_SYSTEM)))


# Build-type dependent options
#
$(eval $(call BothConfigMake,BUILD,$(BUILD)))

ifeq ($(BUILD),debug)
$(eval $(call BothConfigC,DEBUG,))
$(eval $(call KernelConfigC,DEBUG_LINUX_MEMORY_ALLOCATIONS,))
$(eval $(call KernelConfigC,DEBUG_LINUX_MEM_AREAS,))
$(eval $(call KernelConfigC,DEBUG_LINUX_MMAP_AREAS,))
$(eval $(call KernelConfigC,DEBUG_BRIDGE_KM,))
else ifeq ($(BUILD),release)
$(eval $(call BothConfigC,RELEASE,))
$(eval $(call TunableBothConfigMake,DEBUGLINK,1))
$(eval $(call TunableBothConfigC,PVR_DBGPRIV_LEVEL,))
else ifeq ($(BUILD),timing)
$(eval $(call BothConfigC,TIMING,))
$(eval $(call TunableBothConfigMake,DEBUGLINK,1))
else
$(error BUILD= must be either debug, release or timing)
endif

# User-configurable options
#
$(eval $(call TunableBothConfigC,SUPPORT_PERCONTEXT_PB,1))
$(eval $(call TunableBothConfigC,SUPPORT_SHARED_PB,))
$(eval $(call TunableBothConfigC,SUPPORT_HYBRID_PB,))
$(eval $(call TunableBothConfigC,SUPPORT_HW_RECOVERY,1))
$(eval $(call TunableBothConfigC,SUPPORT_ACTIVE_POWER_MANAGEMENT,1))
$(eval $(call TunableBothConfigC,SUPPORT_SGX_HWPERF,1))
$(eval $(call TunableBothConfigC,SUPPORT_SGX_LOW_LATENCY_SCHEDULING,1))
$(eval $(call TunableBothConfigC,SUPPORT_MEMINFO_IDS,))
$(eval $(call TunableBothConfigC,SUPPORT_SGX_NEW_STATUS_VALS,1))
$(eval $(call TunableBothConfigC,SUPPORT_PDUMP_MULTI_PROCESS,))
$(eval $(call TunableBothConfigC,SUPPORT_DBGDRV_EVENT_OBJECTS,1))
$(eval $(call TunableBothConfigC,SGX_FEATURE_SYSTEM_CACHE,))
$(eval $(call TunableBothConfigC,SGX_BYPASS_SYSTEM_CACHE,))
$(eval $(call TunableBothConfigC,SGX_BYPASS_DCU,))
$(eval $(call TunableBothConfigC,SGX_FAST_DPM_INIT,))
$(eval $(call TunableBothConfigC,SGX_FEATURE_MP,))
$(eval $(call TunableBothConfigC,SGX_FEATURE_MP_PLUS,))
$(eval $(call TunableBothConfigC,FPGA,))
$(eval $(call TunableBothConfigC,PDUMP,))
$(eval $(call TunableBothConfigC,MEM_TRACK_INFO_DEBUG,))
$(eval $(call TunableBothConfigC,PVRSRV_DEVMEM_TIME_STATS,))
$(eval $(call TunableBothConfigC,NO_HARDWARE,))
$(eval $(call TunableBothConfigC,PDUMP_DEBUG_OUTFILES,))
$(eval $(call TunableBothConfigC,PVRSRV_USSE_EDM_STATUS_DEBUG,))
$(eval $(call TunableBothConfigC,PVRSRV_RESET_ON_HWTIMEOUT,))
$(eval $(call TunableBothConfigC,SYS_USING_INTERRUPTS,1))
$(eval $(call TunableBothConfigC,SUPPORT_EXTERNAL_SYSTEM_CACHE,))
$(eval $(call TunableBothConfigC,PVRSRV_NEW_PVR_DPF,))
$(eval $(call TunableBothConfigC,PVRSRV_NEED_PVR_DPF,))
$(eval $(call TunableBothConfigC,PVRSRV_NEED_PVR_ASSERT,))
$(eval $(call TunableBothConfigC,PVRSRV_NEED_PVR_TRACE,))
$(eval $(call TunableBothConfigC,SUPPORT_SECURE_33657_FIX,))
$(eval $(call TunableBothConfigC,SUPPORT_ION,))
$(eval $(call TunableBothConfigC,SUPPORT_DMABUF,))
$(eval $(call TunableBothConfigC,SUPPORT_HWRECOVERY_TRACE_LIMIT,))
$(eval $(call TunableBothConfigC,SUPPORT_PVRSRV_DEVICE_CLASS,))
$(eval $(call TunableBothConfigC,SUPPORT_PVRSRV_GET_DC_SYSTEM_BUFFER,1))
$(eval $(call TunableBothConfigC,SUPPORT_NV12_FROM_2_HWADDRS,))
$(eval $(call TunableBothConfigC,SGX_FEATURE_36BIT_MMU,))
$(eval $(call TunableBothConfigC,IMG_ADDRSPACE_PHYSADDR_BITS,))
$(eval $(call TunableBothConfigC,PVRSRV_EXTRA_PB_DEBUG,))
$(eval $(call TunableBothConfigC,PVRSRV_DEBUG_CCB_MAX,))

$(eval $(call TunableKernelConfigC,SUPPORT_LINUX_X86_WRITECOMBINE,1))
$(eval $(call TunableKernelConfigC,SUPPORT_LINUX_X86_PAT,1))
$(eval $(call TunableKernelConfigC,SGX_DYNAMIC_TIMING_INFO,))
$(eval $(call TunableKernelConfigC,SYS_SGX_ACTIVE_POWER_LATENCY_MS,))
$(eval $(call TunableKernelConfigC,SYS_CUSTOM_POWERLOCK_WRAP,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_USING_WORKQUEUES,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_MISR_USING_WORKQUEUE,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_MISR_USING_PRIVATE_WORKQUEUE,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_TIMERS_USING_WORKQUEUES,))
$(eval $(call TunableKernelConfigC,PVR_LINUX_TIMERS_USING_SHARED_WORKQUEUE,))
$(eval $(call TunableKernelConfigC,LDM_PLATFORM,))
$(eval $(call TunableKernelConfigC,PVR_LDM_DEVICE_TREE,))
$(eval $(call TunableKernelConfigC,PVR_LDM_PLATFORM_PRE_REGISTERED,))
$(eval $(call TunableKernelConfigC,PVR_LDM_PLATFORM_PRE_REGISTERED_DEV,))
$(eval $(call TunableKernelConfigC,PVR_LDM_DRIVER_REGISTRATION_NAME,"\"$(PVRSRV_MODNAME)\""))
$(eval $(call TunableKernelConfigC,LDM_PCI,))
$(eval $(call TunableKernelConfigC,PVRSRV_DUMP_MK_TRACE,))
$(eval $(call TunableKernelConfigC,PVRSRV_DUMP_KERNEL_CCB,))
$(eval $(call TunableKernelConfigC,PVRSRV_REFCOUNT_DEBUG,))
$(eval $(call TunableKernelConfigC,PVRSRV_MMU_MAKE_READWRITE_ON_DEMAND,))
$(eval $(call TunableKernelConfigC,HYBRID_SHARED_PB_SIZE,))
$(eval $(call TunableKernelConfigC,SUPPORT_LARGE_GENERAL_HEAP,))
$(eval $(call TunableKernelConfigC,SUPPORT_OLD_ION_API,))
$(eval $(call TunableKernelConfigC,TTRACE,))
$(eval $(call TunableKernelConfigC,TTRACE_LARGE_BUFFER,))
$(eval $(call TunableKernelConfigC,SUPPORT_PDUMP_SYNC_DEBUG,))
$(eval $(call TunableKernelConfigC,SUPPORT_PER_SYNC_DEBUG,))
$(eval $(call TunableKernelConfigC,SUPPORT_FORCE_SYNC_DUMP,))



$(eval $(call TunableBothConfigMake,OPTIM,))
$(eval $(call TunableBothConfigMake,SUPPORT_ION,))
$(eval $(call TunableBothConfigMake,SUPPORT_DMABUF,))
$(eval $(call TunableBothConfigMake,SUPPORT_PVRSRV_DEVICE_CLASS,))


$(eval $(call TunableKernelConfigMake,TTRACE,))

endif # INTERNAL_CLOBBER_ONLY

export INTERNAL_CLOBBER_ONLY
export TOP
export OUT

MAKE_ETC := -Rr --no-print-directory -C $(TOP) TOP=$(TOP) OUT=$(OUT) \
	        -f eurasiacon/build/linux2/toplevel.mk

# This must match the default value of MAKECMDGOALS below, and the default
# goal in toplevel.mk
.DEFAULT_GOAL := build

ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS := build
else
# We can't pass autogen to toplevel.mk
MAKECMDGOALS := $(filter-out autogen,$(MAKECMDGOALS))
endif

.PHONY: autogen
autogen:
ifeq ($(INTERNAL_CLOBBER_ONLY),)
	@$(MAKE) -s --no-print-directory -C $(EURASIAROOT) \
		-f eurasiacon/build/linux2/prepare_tree.mk \
		LDM_PCI=$(LDM_PCI) LDM_PLATFORM=$(LDM_PLATFORM)
else
	@:
endif

# This deletes built-in suffix rules. Otherwise the submake isn't run when
# saying e.g. "make thingy.a"
.SUFFIXES:

# Because we have a match-anything rule below, we'll run the main build when
# we're actually trying to remake various makefiles after they're read in.
# These rules try to prevent that
%.mk: ;
Makefile%: ;
Makefile: ;

.PHONY: build kbuild install
build kbuild install: autogen
	@$(if $(MAKECMDGOALS),$(MAKE) $(MAKE_ETC) $(MAKECMDGOALS) $(eval MAKECMDGOALS :=),:)

%: autogen
	@$(if $(MAKECMDGOALS),$(MAKE) $(MAKE_ETC) $(MAKECMDGOALS) $(eval MAKECMDGOALS :=),:)