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source: trunk/platforms/tsar_generic_iob/arch.py @ 1022

Last change on this file since 1022 was 1018, checked in by alain, 9 years ago
Increase the number of CMA channels.
Property svn:executable set to ``*
File size: 20.3 KB

Rev	Line
[938]	1	#!/usr/bin/env python
[707]	2
[802]	3	from math import log, ceil
[707]	4	from mapping import *
	5
[938]	6	##################################################################################
[714]	7	# file : arch.py (for the tsar_generic_iob architecture)
[707]	8	# date : may 2014
	9	# author : Alain Greiner
[938]	10	##################################################################################
[802]	11	# This file contains a mapping generator for the "tsar_generic_iob" platform.
[707]	12	# This includes both the hardware architecture (clusters, processors, peripherals,
[938]	13	# physical space segmentation) and the mapping of all boot and kernel objects
	14	# (global vsegs).
[714]	15	#
[966]	16	# This platform includes 7 external peripherals, accessible through an IOB
[938]	17	# components located in cluster [0,0] or in cluster [x_size-1, y_size-1].
[966]	18	# Available peripherals are: TTY, IOC, FBF, ROM, NIC, CMA, PIC.
[938]	19	#
	20	# All clusters contain (nb_procs) processors, one L2 cache, one XCU, and
[972]	21	# one optional hardware coprocessor connected to a MWMR_DMA controller.
[938]	22	#
[966]	23	# The "constructor" parameters (defined in Makefile) are:
[714]	24	# - x_size : number of clusters in a row
	25	# - y_size : number of clusters in a column
	26	# - nb_procs : number of processors per cluster
[874]	27	# - nb_ttys : number of TTY channels
[817]	28	# - fbf_width : frame_buffer width = frame_buffer heigth
[1002]	29	# - ioc_type : can be 'BDV','HBA','SDC', 'SPI' but not 'RDK'
[972]	30	#
[714]	31	#
[972]	32	# The other hardware parameters (defined in this script) are:
[714]	33	# - nb_nics : number of NIC channels
[938]	34	# - nb_cmas : number of CMA channels
[714]	35	# - x_io : cluster_io x coordinate
	36	# - y_io : cluster_io y coordinate
	37	# - x_width : number of bits for x coordinate
	38	# - y_width : number of bits for y coordinate
	39	# - paddr_width : number of bits for physical address
	40	# - irq_per_proc : number of input IRQs per processor
	41	# - use_ramdisk : use a ramdisk when True
[966]	42	# - vseg_increment : address increment for replicated vsegs
[972]	43	# - mwr_type : coprocessor type / can be 'GCD','DCT','NOPE'
	44	# - use_dma : one single channel DMA per cluster if non zero
[817]	45	#
[938]	46	# Regarding the boot and kernel vsegs mapping :
	47	# - We use one big physical page (2 Mbytes) for the preloader and the four
	48	# boot vsegs, all allocated in cluster[0,0].
	49	# - We use one big page per cluster for the replicated kernel code vsegs.
	50	# - We use one big page in cluster[0][0] for the kernel data vseg.
	51	# - We use one big page per cluster for the distributed kernel heap vsegs.
	52	# - We use one big page per cluster for the distributed ptab vsegs.
	53	# - We use small physical pages (4 Kbytes) per cluster for the schedulers.
	54	# - We use one big page for each external peripheral in IO cluster,
	55	# - We use one small page per cluster for each internal peripheral.
	56	##################################################################################
[707]	57
[714]	58	########################
	59	def arch( x_size = 2,
	60	y_size = 2,
[817]	61	nb_procs = 2,
[874]	62	nb_ttys = 1,
[965]	63	fbf_width = 128,
[1018]	64	ioc_type = 'BDV' ):
[714]	65
	66	### define architecture constants
	67
[913]	68	nb_nics = 1
[1018]	69	nb_cmas = 4
[817]	70	x_io = 0
	71	y_io = 0
	72	x_width = 4
	73	y_width = 4
	74	p_width = 4
	75	paddr_width = 40
[972]	76	irq_per_proc = 4
[966]	77	peri_increment = 0x10000
[1018]	78	mwr_type = 'GCD'
[802]	79
[972]	80	### constructor parameters checking
[714]	81
[802]	82	assert( nb_procs <= (1 << p_width) )
[707]	83
[802]	84	assert( (x_size == 1) or (x_size == 2) or (x_size == 4)
[764]	85	or (x_size == 8) or (x_size == 16) )
[707]	86
[802]	87	assert( (y_size == 1) or (y_size == 2) or (y_size == 4)
[707]	88	or (y_size == 8) or (y_size == 16) )
	89
[943]	90	assert( (nb_ttys >= 1) and (nb_ttys <= 8) )
[707]	91
	92	assert( ((x_io == 0) and (y_io == 0)) or
	93	((x_io == x_size-1) and (y_io == y_size-1)) )
	94
[1002]	95	assert( ioc_type in [ 'BDV' , 'HBA' , 'SDC' , 'SPI' ] )
[972]	96
	97	assert( mwr_type in [ 'GCD' , 'DCT' , 'CPY' , 'NONE' ] )
[965]	98
	99	### define platform name
[802]	100
[965]	101	platform_name = 'tsar_iob_%d_%d_%d' % ( x_size, y_size , nb_procs )
	102	platform_name += '_%d_%d_%s' % ( fbf_width , nb_ttys , ioc_type )
[707]	103
[938]	104	### define physical segments replicated in all clusters
	105
[707]	106	ram_base = 0x0000000000
[1018]	107	ram_size = 0x4000000 # 64 Mbytes
[707]	108
[802]	109	xcu_base = 0x00B0000000
	110	xcu_size = 0x1000 # 4 Kbytes
[707]	111
[972]	112	mwr_base = 0x00B1000000
	113	mwr_size = 0x1000 # 4 Kbytes
[707]	114
[802]	115	mmc_base = 0x00B2000000
[714]	116	mmc_size = 0x1000 # 4 Kbytes
[707]	117
[817]	118	### define physical segments for external peripherals
	119	## These segments are only defined in cluster_io
	120
[965]	121	ioc_base = 0x00B3000000
	122	ioc_size = 0x1000 # 4 Kbytes
[707]	123
[945]	124	tty_base = 0x00B4000000
[714]	125	tty_size = 0x4000 # 16 Kbytes
[707]	126
[945]	127	nic_base = 0x00B5000000
[714]	128	nic_size = 0x80000 # 512 kbytes
[707]	129
[945]	130	cma_base = 0x00B6000000
[1018]	131	cma_size = 0x1000 * nb_cmas # 4 kbytes * nb_cmas
[707]	132
[945]	133	fbf_base = 0x00B7000000
[1018]	134	fbf_size = fbf_width * fbf_width # fbf_width * fbf_width bytes
[707]	135
[945]	136	pic_base = 0x00B8000000
[714]	137	pic_size = 0x1000 # 4 Kbytes
[707]	138
[945]	139	iob_base = 0x00BE000000
[817]	140	iob_size = 0x1000 # 4 bytes
[707]	141
[945]	142	rom_base = 0x00BFC00000
[714]	143	rom_size = 0x4000 # 16 Kbytes
[707]	144
[754]	145	### define bootloader vsegs base addresses and sizes
[817]	146	### We want to pack these 4 vsegs in the same big page
[913]	147	### => boot cost is one BIG page in cluster[0][0]
[707]	148
[913]	149	boot_mapping_vbase = 0x00000000 # ident
	150	boot_mapping_size = 0x00080000 # 512 Kbytes
[707]	151
[913]	152	boot_code_vbase = 0x00080000 # ident
	153	boot_code_size = 0x00040000 # 256 Kbytes
[802]	154
[913]	155	boot_data_vbase = 0x000C0000 # ident
	156	boot_data_size = 0x000C0000 # 768 Kbytes
[707]	157
[913]	158	boot_stack_vbase = 0x00180000 # ident
	159	boot_stack_size = 0x00080000 # 512 Kbytes
[707]	160
[754]	161	### define kernel vsegs base addresses and sizes
[913]	162	### code, init, ptab, heap & sched vsegs are replicated in all clusters.
[817]	163	### data & uncdata vsegs are only mapped in cluster[0][0].
[707]	164
[802]	165	kernel_code_vbase = 0x80000000
[913]	166	kernel_code_size = 0x00100000 # 1 Mbytes per cluster
[707]	167
[913]	168	kernel_init_vbase = 0x80100000
	169	kernel_init_size = 0x00100000 # 1 Mbytes per cluster
[707]	170
[913]	171	kernel_data_vbase = 0x90000000
	172	kernel_data_size = 0x00200000 # 2 Mbytes in cluster[0,0]
[707]	173
[817]	174	kernel_ptab_vbase = 0xE0000000
[913]	175	kernel_ptab_size = 0x00200000 # 2 Mbytes per cluster
[707]	176
[913]	177	kernel_heap_vbase = 0xD0000000
[1018]	178	kernel_heap_size = 0x00400000 # 4 Mbytes per cluster
[707]	179
[817]	180	kernel_sched_vbase = 0xA0000000
	181	kernel_sched_size = 0x00002000*nb_procs # 8 Kbytes per proc per cluster
	182
[938]	183	#########################
[707]	184	### create mapping
[938]	185	#########################
[707]	186
[817]	187	mapping = Mapping( name = platform_name,
	188	x_size = x_size,
	189	y_size = y_size,
	190	nprocs = nb_procs,
	191	x_width = x_width,
	192	y_width = y_width,
[802]	193	p_width = p_width,
[817]	194	paddr_width = paddr_width,
	195	coherence = True,
	196	irq_per_proc = irq_per_proc,
[965]	197	use_ramdisk = (ioc_type == 'RDK'),
[817]	198	x_io = x_io,
[714]	199	y_io = y_io,
[802]	200	peri_increment = peri_increment,
	201	ram_base = ram_base,
	202	ram_size = ram_size )
[707]	203
	204
[938]	205	#############################
	206	### Hardware Components
	207	#############################
[707]	208
[938]	209	for x in xrange( x_size ):
	210	for y in xrange( y_size ):
	211	cluster_xy = (x << y_width) + y;
	212	offset = cluster_xy << (paddr_width - x_width - y_width)
[707]	213
[938]	214	### components replicated in all clusters
[972]	215	mapping.addRam( 'RAM', base = ram_base + offset,
[938]	216	size = ram_size )
[707]	217
[938]	218	xcu = mapping.addPeriph( 'XCU', base = xcu_base + offset,
	219	size = xcu_size, ptype = 'XCU',
[955]	220	channels = nb_procs * irq_per_proc,
[959]	221	arg0 = 32, arg1 = 32, arg2 = 32 )
[707]	222
[979]	223	mmc = mapping.addPeriph( 'MMC', base = mmc_base + offset,
	224	size = mmc_size, ptype = 'MMC' )
[707]	225
[972]	226	if ( mwr_type == 'GCD' ):
[975]	227	mwr = mapping.addPeriph( 'MWR', base = mwr_base + offset,
	228	size = mwr_size, ptype = 'MWR', subtype = 'GCD',
	229	arg0 = 2, arg1 = 1, arg2 = 1, arg3 = 0 )
[972]	230
	231	if ( mwr_type == 'DCT' ):
[975]	232	mwr = mapping.addPeriph( 'MWR', base = mwr_base + offset,
	233	size = mwr_size, ptype = 'MWR', subtype = 'DCT',
	234	arg0 = 1, arg1 = 1, arg2 = 1, arg3 = 0 )
[972]	235
	236	if ( mwr_type == 'CPY' ):
[975]	237	mwr = mapping.addPeriph( 'MWR', base = mwr_base + offset,
	238	size = mwr_size, ptype = 'MWR', subtype = 'CPY',
	239	arg0 = 1, arg1 = 1, arg2 = 1, arg3 = 0 )
[972]	240
[975]	241	mapping.addIrq( xcu, index = 0, src = mmc, isrtype = 'ISR_MMC' )
	242	mapping.addIrq( xcu, index = 1, src = mwr, isrtype = 'ISR_MWR' )
	243
[938]	244	for p in xrange ( nb_procs ):
[972]	245	mapping.addProc( x , y , p )
[707]	246
[938]	247	### external peripherals in cluster_io
	248	if ( (x==x_io) and (y==y_io) ):
[707]	249
[945]	250	iob = mapping.addPeriph( 'IOB', base = iob_base + offset, size = iob_size,
[938]	251	ptype = 'IOB' )
[707]	252
[965]	253	ioc = mapping.addPeriph( 'IOC', base = ioc_base + offset, size = ioc_size,
	254	ptype = 'IOC', subtype = ioc_type )
[707]	255
[945]	256	tty = mapping.addPeriph( 'TTY', base = tty_base + offset, size = tty_size,
[938]	257	ptype = 'TTY', channels = nb_ttys )
[710]	258
[945]	259	nic = mapping.addPeriph( 'NIC', base = nic_base + offset, size = nic_size,
[938]	260	ptype = 'NIC', channels = nb_nics )
[707]	261
[945]	262	cma = mapping.addPeriph( 'CMA', base = cma_base + offset, size = cma_size,
[938]	263	ptype = 'CMA', channels = nb_cmas )
[707]	264
[945]	265	fbf = mapping.addPeriph( 'FBF', base = fbf_base + offset, size = fbf_size,
[955]	266	ptype = 'FBF', arg0 = fbf_width, arg1 = fbf_width )
[707]	267
[945]	268	rom = mapping.addPeriph( 'ROM', base = rom_base + offset, size = rom_size,
[938]	269	ptype = 'ROM' )
[707]	270
[945]	271	pic = mapping.addPeriph( 'PIC', base = pic_base + offset, size = pic_size,
[938]	272	ptype = 'PIC', channels = 32 )
[707]	273
[975]	274	mapping.addIrq( pic, index = 0, src = nic,
	275	isrtype = 'ISR_NIC_RX', channel = 0 )
	276	mapping.addIrq( pic, index = 1, src = nic,
	277	isrtype = 'ISR_NIC_RX', channel = 1 )
[707]	278
[975]	279	mapping.addIrq( pic, index = 2, src = nic,
	280	isrtype = 'ISR_NIC_TX', channel = 0 )
	281	mapping.addIrq( pic, index = 3, src = nic,
	282	isrtype = 'ISR_NIC_TX', channel = 1 )
[710]	283
[975]	284	mapping.addIrq( pic, index = 4, src = cma,
	285	isrtype = 'ISR_CMA', channel = 0 )
	286	mapping.addIrq( pic, index = 5, src = cma,
	287	isrtype = 'ISR_CMA', channel = 1 )
	288	mapping.addIrq( pic, index = 6, src = cma,
	289	isrtype = 'ISR_CMA', channel = 2 )
	290	mapping.addIrq( pic, index = 7, src = cma,
	291	isrtype = 'ISR_CMA', channel = 3 )
[770]	292
[965]	293	if ( ioc_type == 'BDV' ): isr_ioc = 'ISR_BDV'
	294	if ( ioc_type == 'HBA' ): isr_ioc = 'ISR_HBA'
	295	if ( ioc_type == 'SDC' ): isr_ioc = 'ISR_SDC'
[1002]	296	if ( ioc_type == 'SPI' ): isr_ioc = 'ISR_SPI'
[707]	297
[975]	298	mapping.addIrq( pic, index = 8, src = ioc,
	299	isrtype = isr_ioc, channel = 0 )
	300	mapping.addIrq( pic, index = 16, src = tty,
	301	isrtype = 'ISR_TTY_RX', channel = 0 )
	302	mapping.addIrq( pic, index = 17, src = tty,
	303	isrtype = 'ISR_TTY_RX', channel = 1 )
	304	mapping.addIrq( pic, index = 18, src = tty,
	305	isrtype = 'ISR_TTY_RX', channel = 2 )
	306	mapping.addIrq( pic, index = 19, src = tty,
	307	isrtype = 'ISR_TTY_RX', channel = 3 )
	308	mapping.addIrq( pic, index = 20, src = tty,
	309	isrtype = 'ISR_TTY_RX', channel = 4 )
	310	mapping.addIrq( pic, index = 21, src = tty,
	311	isrtype = 'ISR_TTY_RX', channel = 5 )
	312	mapping.addIrq( pic, index = 22, src = tty,
	313	isrtype = 'ISR_TTY_RX', channel = 6 )
	314	mapping.addIrq( pic, index = 23, src = tty,
	315	isrtype = 'ISR_TTY_RX', channel = 7 )
[965]	316
[938]	317
	318	####################################
	319	### Boot & Kernel vsegs mapping
	320	####################################
	321
[817]	322	### global vsegs for boot_loader
	323	### we want to pack those 4 vsegs in the same big page
	324	### => same flags CXW_ / identity mapping / non local / big page
[707]	325
[730]	326	mapping.addGlobal( 'seg_boot_mapping', boot_mapping_vbase, boot_mapping_size,
[817]	327	'CXW_', vtype = 'BLOB' , x = 0, y = 0, pseg = 'RAM',
	328	identity = True , local = False, big = True )
[707]	329
[730]	330	mapping.addGlobal( 'seg_boot_code', boot_code_vbase, boot_code_size,
	331	'CXW_', vtype = 'BUFFER', x = 0, y = 0, pseg = 'RAM',
[817]	332	identity = True , local = False, big = True )
[707]	333
[730]	334	mapping.addGlobal( 'seg_boot_data', boot_data_vbase, boot_data_size,
[817]	335	'CXW_', vtype = 'BUFFER', x = 0, y = 0, pseg = 'RAM',
	336	identity = True , local = False, big = True )
[707]	337
[730]	338	mapping.addGlobal( 'seg_boot_stack', boot_stack_vbase, boot_stack_size,
[817]	339	'CXW_', vtype = 'BUFFER', x = 0, y = 0, pseg = 'RAM',
	340	identity = True , local = False, big = True )
[707]	341
[943]	342	### global vseg kernel_data : big / non local
	343	### Only mapped in cluster[0][0]
	344	mapping.addGlobal( 'seg_kernel_data', kernel_data_vbase, kernel_data_size,
	345	'CXW_', vtype = 'ELF', x = 0, y = 0, pseg = 'RAM',
[1005]	346	binpath = 'bin/kernel/kernel.elf',
[943]	347	local = False, big = True )
	348
[913]	349	### global vsegs kernel_code, kernel_init : big / local
[965]	350	### replicated in all clusters with indexed name & same vbase
[874]	351	for x in xrange( x_size ):
	352	for y in xrange( y_size ):
[965]	353	mapping.addGlobal( 'seg_kernel_code_%d_%d' %(x,y),
	354	kernel_code_vbase, kernel_code_size,
[817]	355	'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM',
[1005]	356	binpath = 'bin/kernel/kernel.elf',
[817]	357	local = True, big = True )
[707]	358
[965]	359	mapping.addGlobal( 'seg_kernel_init_%d_%d' %(x,y),
	360	kernel_init_vbase, kernel_init_size,
[817]	361	'CXW_', vtype = 'ELF', x = x , y = y , pseg = 'RAM',
[1005]	362	binpath = 'bin/kernel/kernel.elf',
[817]	363	local = True, big = True )
[707]	364
[938]	365	### Global vsegs kernel_ptab_x_y : big / non local
	366	### one vseg per cluster: name indexed by (x,y)
	367	for x in xrange( x_size ):
	368	for y in xrange( y_size ):
	369	offset = ((x << y_width) + y) * kernel_ptab_size
	370	base = kernel_ptab_vbase + offset
	371	mapping.addGlobal( 'seg_kernel_ptab_%d_%d' %(x,y), base, kernel_ptab_size,
	372	'CXW_', vtype = 'PTAB', x = x, y = y, pseg = 'RAM',
	373	local = False , big = True )
	374
[913]	375	### global vsegs kernel_sched_x_y : small / non local
[874]	376	### one vseg per cluster with name indexed by (x,y)
[817]	377	for x in xrange( x_size ):
	378	for y in xrange( y_size ):
[913]	379	offset = ((x << y_width) + y) * kernel_sched_size
[938]	380	mapping.addGlobal( 'seg_kernel_sched_%d_%d' %(x,y),
	381	kernel_sched_vbase + offset , kernel_sched_size,
[817]	382	'C_W_', vtype = 'SCHED', x = x , y = y , pseg = 'RAM',
	383	local = False, big = False )
[707]	384
[913]	385	### global vsegs kernel_heap_x_y : big / non local
	386	### one vseg per cluster with name indexed by (x,y)
	387	for x in xrange( x_size ):
	388	for y in xrange( y_size ):
	389	offset = ((x << y_width) + y) * kernel_heap_size
[938]	390	mapping.addGlobal( 'seg_kernel_heap_%d_%d' %(x,y),
	391	kernel_heap_vbase + offset , kernel_heap_size,
[913]	392	'C_W_', vtype = 'HEAP', x = x , y = y , pseg = 'RAM',
	393	local = False, big = True )
	394
[817]	395	### global vsegs for external peripherals : non local / big page
[802]	396	mapping.addGlobal( 'seg_iob', iob_base, iob_size, '__W_',
	397	vtype = 'PERI', x = 0, y = 0, pseg = 'IOB',
[817]	398	local = False, big = True )
[707]	399
[965]	400	mapping.addGlobal( 'seg_ioc', ioc_base, ioc_size, '__W_',
	401	vtype = 'PERI', x = 0, y = 0, pseg = 'IOC',
[817]	402	local = False, big = True )
[707]	403
[802]	404	mapping.addGlobal( 'seg_tty', tty_base, tty_size, '__W_',
[730]	405	vtype = 'PERI', x = 0, y = 0, pseg = 'TTY',
[817]	406	local = False, big = True )
[707]	407
[802]	408	mapping.addGlobal( 'seg_nic', nic_base, nic_size, '__W_',
[730]	409	vtype = 'PERI', x = 0, y = 0, pseg = 'NIC',
[817]	410	local = False, big = True )
[707]	411
[802]	412	mapping.addGlobal( 'seg_cma', cma_base, cma_size, '__W_',
[730]	413	vtype = 'PERI', x = 0, y = 0, pseg = 'CMA',
[817]	414	local = False, big = True )
[707]	415
[802]	416	mapping.addGlobal( 'seg_fbf', fbf_base, fbf_size, '__W_',
[730]	417	vtype = 'PERI', x = 0, y = 0, pseg = 'FBF',
[817]	418	local = False, big = True )
[707]	419
[802]	420	mapping.addGlobal( 'seg_pic', pic_base, pic_size, '__W_',
[730]	421	vtype = 'PERI', x = 0, y = 0, pseg = 'PIC',
[817]	422	local = False, big = True )
[707]	423
[802]	424	mapping.addGlobal( 'seg_rom', rom_base, rom_size, 'CXW_',
[730]	425	vtype = 'PERI', x = 0, y = 0, pseg = 'ROM',
[817]	426	local = False, big = True )
[707]	427
[817]	428	### global vsegs for internal peripherals : non local / small pages
	429	### allocated in all clusters with name indexed by (x,y)
	430	### as vbase address is incremented by (cluster_xy * vseg_increment)
[714]	431	for x in xrange( x_size ):
	432	for y in xrange( y_size ):
[817]	433	offset = ((x << y_width) + y) * peri_increment
[707]	434
[714]	435	mapping.addGlobal( 'seg_xcu_%d_%d' %(x,y), xcu_base + offset, xcu_size,
[817]	436	'__W_', vtype = 'PERI' , x = x , y = y , pseg = 'XCU',
	437	local = False, big = False )
[707]	438
[714]	439	mapping.addGlobal( 'seg_mmc_%d_%d' %(x,y), mmc_base + offset, mmc_size,
[817]	440	'__W_', vtype = 'PERI' , x = x , y = y , pseg = 'MMC',
	441	local = False, big = False )
[707]	442
[972]	443	if ( mwr_type != 'NONE' ):
	444	mapping.addGlobal( 'seg_mwr_%d_%d' %(x,y), mwr_base + offset, mwr_size,
	445	'__W_', vtype = 'PERI' , x = x , y = y , pseg = 'MWR',
	446	local = False, big = False )
	447
[707]	448	return mapping
	449
[938]	450	################################# platform test ####################################
[707]	451
	452	if __name__ == '__main__':
	453
[730]	454	mapping = arch( x_size = 2,
	455	y_size = 2,
	456	nb_procs = 2 )
[707]	457
	458	# print mapping.netbsd_dts()
	459
	460	print mapping.xml()
	461
	462	# print mapping.giet_vsegs()
	463
[802]	464
[707]	465	# Local Variables:
	466	# tab-width: 4;
	467	# c-basic-offset: 4;
	468	# c-file-offsets:((innamespace . 0)(inline-open . 0));
	469	# indent-tabs-mode: nil;
	470	# End:
	471	#
	472	# vim: filetype=python:expandtab:shiftwidth=4:tabstop=4:softtabstop=4
	473

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