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lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export

Last change on this file since dbb3552 was f0defd2, checked in by Jakub Jermar <jakub@…>, 13 years ago
Basic infrastructure for system IPC ops.
Property mode set to `100644`
File size: 13.1 KB

Rev	Line
[e16e036a]	1	#
[df4ed85]	2	# Copyright (c) 2005 Martin Decky
[e16e036a]	3	# All rights reserved.
	4	#
	5	# Redistribution and use in source and binary forms, with or without
	6	# modification, are permitted provided that the following conditions
	7	# are met:
	8	#
	9	# - Redistributions of source code must retain the above copyright
	10	# notice, this list of conditions and the following disclaimer.
	11	# - Redistributions in binary form must reproduce the above copyright
	12	# notice, this list of conditions and the following disclaimer in the
	13	# documentation and/or other materials provided with the distribution.
	14	# - The name of the author may not be used to endorse or promote products
	15	# derived from this software without specific prior written permission.
	16	#
	17	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	18	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	19	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	20	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	21	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	22	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	23	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	24	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	25	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	26	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	27	#
	28
[4e9aaf5]	29	## Configuration
	30	#
	31
	32	ROOT_PATH = ..
	33
	34	VERSION_DEF = $(ROOT_PATH)/version
	35
	36	COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
	37	COMMON_HEADER = $(ROOT_PATH)/common.h
	38	COMMON_HEADER_ARCH = arch/$(KARCH)/include/common.h
	39
	40	CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
	41	CONFIG_HEADER = $(ROOT_PATH)/config.h
	42
	43	-include $(VERSION_DEF)
	44	-include $(COMMON_MAKEFILE)
	45	-include $(CONFIG_MAKEFILE)
	46
	47	## Common names
	48	#
	49
	50	DEPEND = Makefile.depend
	51	DEPEND_PREV = $(DEPEND).prev
	52	RAW = kernel.raw
	53	BIN = kernel.bin
	54	MAP = kernel.map
	55	JOB = kernel.job
	56	MAP_PREV = $(MAP).prev
	57	DISASM = kernel.disasm
	58	DUMP = kernel.dump
	59	REAL_MAP = generic/src/debug/real_map
	60
[c0699467]	61	ABI_INCLUDE = generic/include/abi
[4e9aaf5]	62	ARCH_INCLUDE = generic/include/arch
	63	GENARCH_INCLUDE = generic/include/genarch
	64
	65	GENMAP = tools/genmap.py
	66	JOBFILE = $(ROOT_PATH)/tools/jobfile.py
	67
	68	LINK = arch/$(KARCH)/_link.ld
	69	EMPTY_MAP = generic/src/debug/empty_map.o
	70	SIZEOK_MAP = generic/src/debug/sizeok_map.o
	71
[cc1f8d4]	72	.PHONY: all clean
[e16e036a]	73
[4e9aaf5]	74	all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(BIN) $(DISASM)
	75	-[ -f $(DEPEND) ] && cp -a $(DEPEND) $(DEPEND_PREV)
[c9ed176]	76
[e16e036a]	77	clean:
[c0699467]	78	rm -f $(DEPEND) $(DEPEND_PREV) $(RAW) $(BIN) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* $(ABI_INCLUDE) $(ARCH_INCLUDE) $(GENARCH_INCLUDE) arch//_link.ld arch//include/common.h
[839470f]	79	find generic/src/ arch//src/ genarch/src/ test/ -name '.o' -follow -exec rm \{\} \;
[4e9aaf5]	80
	81	## Common compiler flags
	82	#
	83
[7c682dd1]	84	INCLUDES = generic/include
[1cb092d]	85
	86	ifeq ($(CONFIG_OPTIMIZE_FOR_SIZE),y)
[938f227]	87	OPTIMIZATION = s
[1cb092d]	88	else
[f8d07859]	89	OPTIMIZATION = 3
[1cb092d]	90	endif
[7c682dd1]	91
[d9faae91]	92	DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
[4e9aaf5]	93
[7c682dd1]	94	GCC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
[4e9aaf5]	95	-fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
	96	-finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
[e8c5c11]	97	-std=gnu99 -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
[4e9aaf5]	98	-Werror-implicit-function-declaration -Wwrite-strings \
[e805e2f]	99	-pipe
[4e9aaf5]	100
[7c682dd1]	101	ICC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
[4e9aaf5]	102	-ffreestanding -fno-builtin -nostdlib -nostdinc -Wall -Wmissing-prototypes \
[e805e2f]	103	-Werror-implicit-function-declaration -wd170
[4e9aaf5]	104
[7c682dd1]	105	CLANG_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
[4e9aaf5]	106	-fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
	107	-finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
	108	-Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
	109	-Werror-implicit-function-declaration -Wwrite-strings \
	110	-pipe -arch $(CLANG_ARCH)
	111
[e805e2f]	112	ifeq ($(CONFIG_DEBUG),y)
	113	GCC_CFLAGS += -Werror
	114	ICC_CFLAGS += -Werror
	115	endif
	116
[cf84f1bf]	117	ifeq ($(CONFIG_LTO),y)
	118	GCC_CFLAGS += -flto
	119	endif
	120
[9ded977]	121	ifeq ($(CONFIG_LINE_DEBUG),y)
	122	GCC_CFLAGS += -g
	123	ICC_CFLAGS += -g
	124	CLANG_CFLAGS += -g
	125	endif
	126
[510bc07]	127	#
	128	# Mind the mutual ordering with the inclusion of the arch Makefile.inc.
	129	# AFLAGS and LFLAGS must be initialized before the inclusion.
	130	#
	131	AFLAGS =
[afdcc60e]	132	LFLAGS = -n -T $(LINK) -M
[510bc07]	133
	134	#
	135	# Mind the mutual ordering with the initialization of AFLAGS and LFLAGS.
	136	# The arch Makefile.inc must be included after the initialization.
	137	#
[4e9aaf5]	138	-include arch/$(KARCH)/Makefile.inc
	139	-include genarch/Makefile.inc
	140	-include $(DEPEND)
	141
	142	## The at-sign
	143	#
	144	# The $(ATSIGN) variable holds the ASCII character representing the at-sign
	145	# ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
	146	# don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
	147	# those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
	148	# defined as the percentile-sign ('%') in the architecture-dependent
	149	# Makefile.inc.
	150	#
	151
	152	ATSIGN ?= @
	153
	154	## Cross-platform assembly to start a symtab.data section
	155	#
	156
	157	SYMTAB_SECTION = ".section symtab.data, \"a\", $(ATSIGN)progbits;"
	158
	159	## Compilation options
	160	#
	161
	162	ifeq ($(COMPILER),gcc_native)
	163	CFLAGS = $(GCC_CFLAGS)
	164	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
[263bda2]	165	INSTRUMENTATION = -finstrument-functions
[4e9aaf5]	166	endif
	167
	168	ifeq ($(COMPILER),gcc_cross)
	169	CFLAGS = $(GCC_CFLAGS)
	170	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
[263bda2]	171	INSTRUMENTATION = -finstrument-functions
[4e9aaf5]	172	endif
	173
	174	ifeq ($(COMPILER),icc)
	175	CFLAGS = $(ICC_CFLAGS)
	176	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
[263bda2]	177	INSTRUMENTATION =
[4e9aaf5]	178	endif
	179
	180	ifeq ($(COMPILER),clang)
	181	CFLAGS = $(CLANG_CFLAGS)
	182	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
[263bda2]	183	INSTRUMENTATION =
[4e9aaf5]	184	endif
	185
[cf84f1bf]	186
[4e9aaf5]	187	## Generic kernel sources
	188	#
	189
	190	GENERIC_SOURCES = \
	191	generic/src/adt/avl.c \
	192	generic/src/adt/bitmap.c \
	193	generic/src/adt/btree.c \
	194	generic/src/adt/hash_table.c \
	195	generic/src/adt/list.c \
	196	generic/src/console/chardev.c \
	197	generic/src/console/console.c \
[f0d7bd9]	198	generic/src/console/prompt.c \
[4e9aaf5]	199	generic/src/cpu/cpu.c \
	200	generic/src/ddi/ddi.c \
	201	generic/src/ddi/irq.c \
	202	generic/src/ddi/device.c \
	203	generic/src/debug/symtab.c \
	204	generic/src/debug/stacktrace.c \
[06737a0]	205	generic/src/debug/panic.c \
[263bda2]	206	generic/src/debug/debug.c \
[4e9aaf5]	207	generic/src/interrupt/interrupt.c \
	208	generic/src/main/main.c \
	209	generic/src/main/kinit.c \
	210	generic/src/main/uinit.c \
	211	generic/src/main/version.c \
	212	generic/src/main/shutdown.c \
	213	generic/src/proc/program.c \
	214	generic/src/proc/scheduler.c \
	215	generic/src/proc/thread.c \
	216	generic/src/proc/task.c \
	217	generic/src/proc/the.c \
	218	generic/src/syscall/syscall.c \
	219	generic/src/syscall/copy.c \
[622f409]	220	generic/src/mm/km.c \
[630a8ef]	221	generic/src/mm/reserve.c \
[4e9aaf5]	222	generic/src/mm/buddy.c \
	223	generic/src/mm/frame.c \
	224	generic/src/mm/page.c \
	225	generic/src/mm/tlb.c \
	226	generic/src/mm/as.c \
	227	generic/src/mm/backend_anon.c \
	228	generic/src/mm/backend_elf.c \
	229	generic/src/mm/backend_phys.c \
	230	generic/src/mm/slab.c \
	231	generic/src/lib/func.c \
	232	generic/src/lib/memstr.c \
[3abfe9a8]	233	generic/src/lib/memfnc.c \
[4e9aaf5]	234	generic/src/lib/sort.c \
[19f857a]	235	generic/src/lib/str.c \
[4e9aaf5]	236	generic/src/lib/elf.c \
[9fe7d6c]	237	generic/src/lib/ra.c \
[4e9aaf5]	238	generic/src/lib/rd.c \
	239	generic/src/printf/printf_core.c \
	240	generic/src/printf/printf.c \
	241	generic/src/printf/snprintf.c \
	242	generic/src/printf/vprintf.c \
	243	generic/src/printf/vsnprintf.c \
	244	generic/src/time/clock.c \
	245	generic/src/time/timeout.c \
	246	generic/src/time/delay.c \
	247	generic/src/preempt/preemption.c \
	248	generic/src/synch/spinlock.c \
	249	generic/src/synch/condvar.c \
	250	generic/src/synch/mutex.c \
	251	generic/src/synch/semaphore.c \
	252	generic/src/synch/smc.c \
	253	generic/src/synch/waitq.c \
	254	generic/src/synch/futex.c \
	255	generic/src/smp/ipi.c \
	256	generic/src/smp/smp.c \
	257	generic/src/ipc/ipc.c \
	258	generic/src/ipc/sysipc.c \
[f0defd2]	259	generic/src/ipc/sysipc_ops.c \
	260	generic/src/ipc/ops/clnestab.c \
	261	generic/src/ipc/ops/conctmeto.c \
	262	generic/src/ipc/ops/concttome.c \
	263	generic/src/ipc/ops/connclone.c \
	264	generic/src/ipc/ops/dataread.c \
	265	generic/src/ipc/ops/datawrite.c \
	266	generic/src/ipc/ops/debug.c \
	267	generic/src/ipc/ops/sharein.c \
	268	generic/src/ipc/ops/shareout.c \
	269	generic/src/ipc/ops/stchngath.c \
[4e9aaf5]	270	generic/src/ipc/ipcrsc.c \
	271	generic/src/ipc/irq.c \
	272	generic/src/ipc/event.c \
	273	generic/src/security/cap.c \
[18b5402c]	274	generic/src/sysinfo/sysinfo.c \
[9dae191e]	275	generic/src/sysinfo/stats.c
[4e9aaf5]	276
	277	## Kernel console support
	278	#
	279
	280	ifeq ($(CONFIG_KCONSOLE),y)
	281	GENERIC_SOURCES += \
	282	generic/src/console/kconsole.c \
	283	generic/src/console/cmd.c
	284	endif
	285
	286	## Udebug interface sources
	287	#
	288
	289	ifeq ($(CONFIG_UDEBUG),y)
	290	GENERIC_SOURCES += \
	291	generic/src/ipc/kbox.c \
	292	generic/src/udebug/udebug.c \
	293	generic/src/udebug/udebug_ops.c \
	294	generic/src/udebug/udebug_ipc.c
	295	endif
	296
	297	## Test sources
	298	#
	299
	300	ifeq ($(CONFIG_TEST),y)
	301	CFLAGS += -Itest/
	302	GENERIC_SOURCES += \
	303	test/test.c \
	304	test/atomic/atomic1.c \
	305	test/btree/btree1.c \
	306	test/avltree/avltree1.c \
	307	test/fault/fault1.c \
	308	test/mm/falloc1.c \
	309	test/mm/falloc2.c \
	310	test/mm/mapping1.c \
	311	test/mm/slab1.c \
	312	test/mm/slab2.c \
	313	test/synch/semaphore1.c \
	314	test/synch/semaphore2.c \
	315	test/print/print1.c \
	316	test/print/print2.c \
	317	test/print/print3.c \
	318	test/print/print4.c \
[855e0d8]	319	test/print/print5.c \
[9528be02]	320	test/thread/thread1.c
[4e9aaf5]	321
	322	ifeq ($(KARCH),mips32)
	323	GENERIC_SOURCES += test/debug/mips1.c
	324	else
	325	GENERIC_SOURCES += test/debug/mips1_skip.c
	326	endif
	327
	328	ifeq ($(KARCH),ia64)
	329	GENERIC_SOURCES += test/mm/purge1.c
	330	else
	331	GENERIC_SOURCES += test/mm/purge1_skip.c
	332	endif
	333
	334	endif
	335
[263bda2]	336	## Sources where instrumentation is enabled
	337	#
	338
[da52547]	339	ifeq ($(CONFIG_TRACE),y)
[7a0359b]	340	INSTRUMENTED_SOURCES = \
	341	generic/src/adt/btree.c \
	342	generic/src/cpu/cpu.c \
	343	generic/src/ddi/ddi.c \
	344	generic/src/interrupt/interrupt.c \
	345	generic/src/main/main.c \
	346	generic/src/main/kinit.c \
	347	generic/src/proc/the.c \
	348	generic/src/mm/frame.c \
	349	generic/src/mm/page.c \
	350	generic/src/mm/tlb.c \
	351	generic/src/mm/as.c \
	352	generic/src/mm/slab.c \
	353	generic/src/sysinfo/sysinfo.c \
	354	generic/src/console/kconsole.c
	355	else
	356	INSTRUMENTED_SOURCES =
[263bda2]	357	endif
	358
[4e9aaf5]	359	GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
	360	ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
	361	GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
	362
[cf84f1bf]	363	LFLAGS_LTO := $(addprefix -Xlinker ,$(LFLAGS))
	364
[4e9aaf5]	365	ifeq ($(CONFIG_SYMTAB),y)
	366	SYMTAB_OBJECTS := generic/src/debug/real_map.o
	367	else
	368	SYMTAB_OBJECTS :=
	369	endif
	370
	371	$(BIN): $(RAW)
	372	$(OBJCOPY) -O $(BFD) $< $@
	373
	374	$(DISASM): $(RAW)
[9ded977]	375	ifeq ($(CONFIG_LINE_DEBUG),y)
	376	$(OBJDUMP) -d -S $< > $@
	377	else
[4e9aaf5]	378	$(OBJDUMP) -d $< > $@
[9ded977]	379	endif
[4e9aaf5]	380
	381	$(RAW): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
[cf84f1bf]	382	ifeq ($(CONFIG_LTO),y)
	383	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
	384	else
	385	$(LD) $(LFLAGS) -Map $(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
	386	endif
[1cb092d]	387	ifeq ($(CONFIG_STRIP_BINARIES),y)
[cf84f1bf]	388	$(STRIP) $(RAW)
[1cb092d]	389	endif
[4e9aaf5]	390
	391	$(LINK): $(LINK).in $(DEPEND)
	392	$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< \| grep -v "^\#" > $@
	393
	394	%.o: %.S $(DEPEND)
[cf84f1bf]	395	$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c -o $@ $<
[4e9aaf5]	396	ifeq ($(PRECHECK),y)
	397	$(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(GCC_CFLAGS) -D__ASM__
	398	endif
	399
	400	%.o: %.s $(DEPEND)
[7c682dd1]	401	$(AS) $(AFLAGS) -o $@ $<
[4e9aaf5]	402	ifeq ($(PRECHECK),y)
	403	$(JOBFILE) $(JOB) $< $@ as asm $(DEFS) $(CFLAGS) $(EXTRA_FLAGS)
	404	endif
	405
	406	%.o: %.c $(DEPEND)
[263bda2]	407	$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION)) -c -o $@ $<
[4e9aaf5]	408	ifeq ($(PRECHECK),y)
	409	$(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS)
	410	endif
	411
	412	$(REAL_MAP).o: $(REAL_MAP).bin
	413	echo $(SYMTAB_SECTION)" .incbin \"$<\"" \| $(AS) $(AFLAGS) -o $@
	414
	415	$(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
	416	echo $(SYMTAB_SECTION) \| $(AS) $(AFLAGS) -o $(EMPTY_MAP)
[cf84f1bf]	417	ifeq ($(CONFIG_LTO),y)
	418	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
	419	else
	420	$(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
	421	endif
[4e9aaf5]	422	$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
	423	$(GENMAP) $(MAP_PREV) $(DUMP) $@
	424
	425	# Do it once again, this time to get correct even the symbols
	426	# on architectures that have bss after symtab
	427
	428	echo $(SYMTAB_SECTION)" .incbin \"$@\"" \| $(AS) $(AFLAGS) -o $(SIZEOK_MAP)
[cf84f1bf]	429	ifeq ($(CONFIG_LTO),y)
	430	$(GCC) $(LFLAGS_LTO) -Xlinker -Map -Xlinker $(MAP_PREV) $(DEFS) $(GCC_CFLAGS) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
	431	else
	432	$(LD) $(LFLAGS) -Map $(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
	433	endif
[4e9aaf5]	434	$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
	435	$(GENMAP) $(MAP_PREV) $(DUMP) $@
	436
[c0699467]	437	$(DEPEND): $(ABI_INCLUDE) $(ARCH_INCLUDE) $(GENARCH_INCLUDE) $(COMMON_HEADER_ARCH)
[4e9aaf5]	438	makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > $@ 2> /dev/null
	439	-[ -f $(DEPEND_PREV) ] && diff -q $(DEPEND_PREV) $@ && mv -f $(DEPEND_PREV) $@
	440
[c0699467]	441	$(ABI_INCLUDE): ../abi/include/
	442	ln -sfn ../../$< $@
	443
[4e9aaf5]	444	$(ARCH_INCLUDE): arch/$(KARCH)/include/
	445	ln -sfn ../../$< $@
	446
	447	$(GENARCH_INCLUDE): genarch/include/
	448	ln -sfn ../../$< $@
	449
	450	$(COMMON_HEADER_ARCH): $(COMMON_HEADER)
	451	ln -sfn ../../../$< $@

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