Context Navigation

kernel_init.c @ 232

Last change on this file since 232 was 204, checked in by alain, 7 years ago

Bug fix in kernel_init
-This line, and those below, will be ignored--

M params.mk
M kernel_config.h
M Makefile
M hdd/virt_hdd.dmg
M tools/bootloader_tsar/boot.c
M kernel/libk/bits.h
M kernel/libk/elf.c
M kernel/libk/xhtab.c
M kernel/libk/elf.h
M kernel/libk/xhtab.h
M kernel/devices/dev_pic.c
M kernel/mm/vmm.c
M kernel/mm/mapper.c
M kernel/mm/mapper.h
M kernel/vfs/devfs.h
M kernel/vfs/vfs.c
M kernel/vfs/vfs.h
M kernel/vfs/devfs.c
M kernel/kern/chdev.h
M kernel/kern/kernel_init.c
M kernel/kern/process.c
M kernel/kern/process.h
M hal/tsar_mips32/core/hal_remote.c
M hal/tsar_mips32/drivers/soclib_pic.c

File size: 50.4 KB

Line
1	/*
2	* kernel_init.c - kernel parallel initialization
3	*
4	* Authors : Mohamed Lamine Karaoui (2015)
5	* Alain Greiner (2016,2017)
6	*
7	* Copyright (c) Sorbonne Universites
8	*
9	* This file is part of ALMOS-MKH.
10	*
11	* ALMOS-MKH is free software; you can redistribute it and/or modify it
12	* under the terms of the GNU General Public License as published by
13	* the Free Software Foundation; version 2.0 of the License.
14	*
15	* ALMOS-MKH is distributed in the hope that it will be useful, but
16	* WITHOUT ANY WARRANTY; without even the implied warranty of
17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18	* General Public License for more details.
19	*
20	* You should have received a copy of the GNU General Public License
21	* along with ALMOS-MKH; if not, write to the Free Software Foundation,
22	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23	*/
24
25	#include <kernel_config.h>
26	#include <errno.h>
27	#include <hal_types.h>
28	#include <hal_special.h>
29	#include <hal_context.h>
30	#include <barrier.h>
31	#include <remote_barrier.h>
32	#include <core.h>
33	#include <list.h>
34	#include <xlist.h>
35	#include <xhtab.h>
36	#include <thread.h>
37	#include <scheduler.h>
38	#include <kmem.h>
39	#include <cluster.h>
40	#include <string.h>
41	#include <memcpy.h>
42	#include <ppm.h>
43	#include <page.h>
44	#include <chdev.h>
45	#include <boot_info.h>
46	#include <dqdt.h>
47	#include <dev_icu.h>
48	#include <dev_mmc.h>
49	#include <dev_dma.h>
50	#include <dev_iob.h>
51	#include <dev_ioc.h>
52	#include <dev_txt.h>
53	#include <dev_pic.h>
54	#include <printk.h>
55	#include <vfs.h>
56	#include <hal_drivers.h>
57	#include <devfs.h>
58	#include <mapper.h>
59	#include <soclib_tty.h>
60
61	#define KERNEL_INIT_SYNCHRO 0xA5A5B5B5
62
63	///////////////////////////////////////////////////////////////////////////////////////////
64	// All these global variables are replicated in all clusters.
65	// They are initialised by the kernel_init() function.
66	//
67	// WARNING : The section names have been defined to control the base addresses of the
68	// boot_info structure and the idle thread descriptors, through the kernel.ld script:
69	// - the boot_info structure is built by the bootloader, and used by kernel_init.
70	// it must be the first object in the kdata segment.
71	// - the array of idle threads descriptors must be placed on the first page boundary after
72	// the boot_info structure in the kdata segment.
73	///////////////////////////////////////////////////////////////////////////////////////////
74
75	// This variable defines the local boot_info structure
76	__attribute__((section(".kinfo")))
77	boot_info_t boot_info;
78
79	// This variable defines the "idle" threads descriptors array
80	__attribute__((section(".kidle")))
81	char idle_threads[CONFIG_THREAD_DESC_SIZE *
82	CONFIG_MAX_LOCAL_CORES] CONFIG_PPM_PAGE_ALIGNED;
83
84	// This variable defines the local cluster manager
85	__attribute__((section(".kdata")))
86	cluster_t cluster_manager CONFIG_CACHE_LINE_ALIGNED;
87
88	// This variable defines the TXT0 kernel terminal
89	__attribute__((section(".kdata")))
90	chdev_t txt0_chdev CONFIG_CACHE_LINE_ALIGNED;
91
92	// This variables define the kernel process0 descriptor
93	__attribute__((section(".kdata")))
94	process_t process_zero CONFIG_CACHE_LINE_ALIGNED;
95
96	// This variable defines extended pointers on the distributed chdevs
97	__attribute__((section(".kdata")))
98	chdev_directory_t chdev_dir CONFIG_CACHE_LINE_ALIGNED;
99
100	// This variable contains the input IRQ indexes for the IOPIC controller
101	__attribute__((section(".kdata")))
102	iopic_input_t iopic_input CONFIG_CACHE_LINE_ALIGNED;
103
104	// This variable contains the input IRQ indexes for the LAPIC controller
105	__attribute__((section(".kdata")))
106	lapic_input_t lapic_input CONFIG_CACHE_LINE_ALIGNED;
107
108	// This variable defines the local cluster identifier
109	__attribute__((section(".kdata")))
110	cxy_t local_cxy CONFIG_CACHE_LINE_ALIGNED;
111
112	// This variable is used for CP0 cores synchronisation in kernel_init()
113	__attribute__((section(".kdata")))
114	remote_barrier_t global_barrier CONFIG_CACHE_LINE_ALIGNED;
115
116	// This variable is used for local cores synchronisation in kernel_init()
117	__attribute__((section(".kdata")))
118	barrier_t local_barrier CONFIG_CACHE_LINE_ALIGNED;
119
120	// This variable defines the array of supported File System contexts
121	__attribute__((section(".kdata")))
122	vfs_ctx_t fs_context[FS_TYPES_NR] CONFIG_CACHE_LINE_ALIGNED;
123
124
125	///////////////////////////////////////////////////////////////////////////////////////////
126	// This function displays the ALMOS_MKH banner.
127	///////////////////////////////////////////////////////////////////////////////////////////
128	static void print_banner( uint32_t nclusters , uint32_t ncores )
129	{
130	printk("\n"
131	" _ __ __ _____ ______ __ __ _ __ _ _ \n"
132	" /\\ \| \| \| \\ / \| / ___ \\ / _____\| \| \\ / \| \| \| / / \| \| \| \| \n"
133	" / \\ \| \| \| \\/ \| \| / \\ \| \| / \| \\/ \| \| \|/ / \| \| \| \| \n"
134	" / /\\ \\ \| \| \| \|\\ /\| \| \| \| \| \| \| \|_____ ___ \| \|\\ /\| \| \| / \| \|___\| \| \n"
135	" / /__\\ \\ \| \| \| \| \\/ \| \| \| \| \| \| \\_____ \\ \|___\| \| \| \\/ \| \| \| \\ \| ___ \| \n"
136	" / ______ \\ \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|\\ \\ \| \| \| \| \n"
137	" / / \\ \\ \| \|____ \| \| \| \| \| \\___/ \| _____/ \| \| \| \| \| \| \| \\ \\ \| \| \| \| \n"
138	" /_/ \\_\\ \|______\| \|_\| \|_\| \\_____/ \|______/ \|_\| \|_\| \|_\| \\_\\ \|_\| \|_\| \n"
139	"\n\n\t\t Advanced Locality Management Operating System / Multi Kernel Hybrid\n"
140	"\n\n\t\t\t Version 0.0 : %d clusters / %d cores per cluster\n\n", nclusters , ncores );
141	}
142
143
144	///////////////////////////////////////////////////////////////////////////////////////////
145	// This function initializes the TXT0 chdev descriptor, that is the "kernel terminal",
146	// shared by all kernel instances for debug messages.
147	// It is a global variable (replicated in all clusters), because this terminal is used
148	// before the kmem allocator initialisation, but only the instance in cluster containing
149	// the calling core is registered in the "chdev_dir" directory.
150	// As this TXT0 chdev supports only the TXT_SYNC_WRITE command, we don't create
151	// a server thread, we don't allocate a WTI, and we don't initialize the waiting queue.
152	///////////////////////////////////////////////////////////////////////////////////////////
153	// @ info : pointer on the local boot-info structure.
154	///////////////////////////////////////////////////////////////////////////////////////////
155	static void txt0_device_init( boot_info_t * info )
156	{
157	boot_device_t * dev_tbl; // pointer on array of devices in boot_info
158	uint32_t dev_nr; // actual number of devices in this cluster
159	xptr_t base; // remote pointer on segment base
160	uint32_t func; // device functional index
161	uint32_t impl; // device implementation index
162	uint32_t i; // device index in dev_tbl
163	uint32_t x; // X cluster coordinate
164	uint32_t y; // Y cluster coordinate
165	uint32_t channels; // number of channels
166
167	// get number of peripherals and base of devices array from boot_info
168	dev_nr = info->ext_dev_nr;
169	dev_tbl = info->ext_dev;
170
171	// loop on external peripherals to find TXT device
172	for( i = 0 ; i < dev_nr ; i++ )
173	{
174	base = dev_tbl[i].base;
175	func = FUNC_FROM_TYPE( dev_tbl[i].type );
176	impl = IMPL_FROM_TYPE( dev_tbl[i].type );
177	channels = dev_tbl[i].channels;
178
179	if (func == DEV_FUNC_TXT )
180	{
181	assert( (channels > 0) , __FUNCTION__ ,
182	"numner of TXT channels cannot be 0\n");
183
184	// initializes TXT0 basic fields
185	txt0_chdev.func = func;
186	txt0_chdev.impl = impl;
187	txt0_chdev.channel = 0;
188	txt0_chdev.base = base;
189	txt0_chdev.is_rx = false;
190
191	// initializes lock
192	remote_spinlock_init( XPTR( local_cxy , &txt0_chdev.wait_lock ) );
193
194	// TXT specific initialisation:
195	// no server thread & no IRQ routing for channel 0
196	dev_txt_init( &txt0_chdev );
197
198	// register the TXT0 in all chdev_dir[x][y] structures
199	for( x = 0 ; x < info->x_size ; x++ )
200	{
201	for( y = 0 ; y < info->y_size ; y++ )
202	{
203	cxy_t cxy = (x<<info->y_width) + y;
204	hal_remote_swd( XPTR( cxy , &chdev_dir.txt[0] ) ,
205	XPTR( local_cxy , &txt0_chdev ) );
206	}
207	}
208
209	kinit_dmsg("\n[INFO] %s created TXT0 chdev in cluster %x at cycle %d\n",
210	__FUNCTION__ , local_cxy , (uint32_t)hal_time_stamp() );
211	}
212	} // end loop on devices
213	} // end txt0_device_init()
214
215	///////////////////////////////////////////////////////////////////////////////////////////
216	// This function allocates memory and initializes the chdev descriptors for the internal
217	// peripherals contained in the local cluster, other than the LAPIC, as specified by
218	// the boot_info, including the linking with the driver for the specified implementation.
219	// The relevant entries in all copies of the devices directory are initialised.
220	///////////////////////////////////////////////////////////////////////////////////////////
221	// @ info : pointer on the local boot-info structure.
222	///////////////////////////////////////////////////////////////////////////////////////////
223	static void internal_devices_init( boot_info_t * info )
224	{
225	boot_device_t * dev_tbl; // pointer on array of internaldevices in boot_info
226	uint32_t dev_nr; // actual number of devices in this cluster
227	xptr_t base; // remote pointer on segment base
228	uint32_t func; // device functionnal index
229	uint32_t impl; // device implementation index
230	uint32_t i; // device index in dev_tbl
231	uint32_t x; // X cluster coordinate
232	uint32_t y; // Y cluster coordinate
233	uint32_t channels; // number of channels
234	uint32_t channel; // channel index
235	chdev_t * chdev_ptr; // local pointer on created chdev
236
237	// get number of internal peripherals and base from boot_info
238	dev_nr = info->int_dev_nr;
239	dev_tbl = info->int_dev;
240
241	// loop on internal peripherals
242	for( i = 0 ; i < dev_nr ; i++ )
243	{
244	base = dev_tbl[i].base;
245	channels = dev_tbl[i].channels;
246	func = FUNC_FROM_TYPE( dev_tbl[i].type );
247	impl = IMPL_FROM_TYPE( dev_tbl[i].type );
248
249	//////////////////////////
250	if( func == DEV_FUNC_MMC )
251	{
252	assert( (channels == 1) , __FUNCTION__ ,
253	"MMC device must be single channel\n" );
254
255	// create chdev in local cluster
256	chdev_ptr = chdev_create( func,
257	impl,
258	0, // channel
259	false, // direction
260	base );
261
262	assert( (chdev_ptr != NULL) , __FUNCTION__ ,
263	"cannot allocate memory for MMC chdev\n" );
264
265	// make MMC specific initialisation
266	dev_mmc_init( chdev_ptr );
267
268	// set the MMC field in all chdev_dir[x][y] structures
269	for( x = 0 ; x < info->x_size ; x++ )
270	{
271	for( y = 0 ; y < info->y_size ; y++ )
272	{
273	cxy_t cxy = (x<<info->y_width) + y;
274	hal_remote_swd( XPTR( cxy , &chdev_dir.mmc[local_cxy] ),
275	XPTR( local_cxy , chdev_ptr ) );
276	}
277	}
278
279	if( local_cxy == 0 )
280	kinit_dmsg("\n[INFO] %s created MMC chdev in cluster 0 at cycle %d\n",
281	__FUNCTION__ , local_cxy , (uint32_t)hal_time_stamp() );
282	}
283	///////////////////////////////
284	else if( func == DEV_FUNC_DMA )
285	{
286	// create one chdev per channel in local cluster
287	for( channel = 0 ; channel < channels ; channel++ )
288	{
289	// create chdev[channel] in local cluster
290	chdev_ptr = chdev_create( func,
291	impl,
292	channel,
293	false, // direction
294	base );
295
296	assert( (chdev_ptr != NULL) , __FUNCTION__ ,
297	"cannot allocate memory for DMA chdev" );
298
299	// make DMA specific initialisation
300	dev_dma_init( chdev_ptr );
301
302	// initialize only the DMA[channel] field in the local chdev_dir[x][y]
303	// structure because the DMA device is not remotely accessible.
304	chdev_dir.dma[channel] = XPTR( local_cxy , chdev_ptr );
305
306	kinit_dmsg("\n[INFO] %s created DMA[%d] chdev in cluster 0 at cycle %d\n",
307	__FUNCTION__ , channel , (uint32_t)hal_time_stamp() );
308	}
309	}
310	}
311	} // end internal_devices_init()
312
313	///////////////////////////////////////////////////////////////////////////////////////////
314	// This function allocates memory and initializes the chdev descriptors for the
315	// external (shared) peripherals other than the IOPIC, as specified by the boot_info,
316	// including the dynamic linking with the driver for the specified implementation.
317	// These chdev descriptors are distributed on all clusters, using a modulo on a global
318	// index, identically computed in all clusters: In each cluster, the local CP0 core
319	// computes the global index for all external chdevs, and creates only the chdevs that
320	// must be placed in the local cluster.
321	// The relevant entries in all copies of the devices directory are initialised.
322	///////////////////////////////////////////////////////////////////////////////////////////
323	// @ info : pointer on the local boot-info structure.
324	///////////////////////////////////////////////////////////////////////////////////////////
325	static void external_devices_init( boot_info_t * info )
326	{
327	boot_device_t * dev_tbl; // pointer on array of external devices in boot_info
328	uint32_t dev_nr; // actual number of external devices
329	xptr_t base; // remote pointer on segment base
330	uint32_t func; // device functionnal index
331	uint32_t impl; // device implementation index
332	uint32_t i; // device index in dev_tbl
333	uint32_t x; // X cluster coordinate
334	uint32_t y; // Y cluster coordinate
335	uint32_t channels; // number of channels
336	uint32_t channel; // channel index
337	uint32_t directions; // number of directions (1 or 2)
338	uint32_t rx; // direction index (0 or 1)
339	uint32_t first_channel; // used in loop on channels for TXT
340	chdev_t * chdev; // local pointer on one channel_device descriptor
341	uint32_t ext_chdev_gid; // global index of external chdev
342
343	// get number of peripherals and base of devices array from boot_info
344	dev_nr = info->ext_dev_nr;
345	dev_tbl = info->ext_dev;
346
347	// initializes global index (PIC is already placed in cluster 0
348	ext_chdev_gid = 1;
349
350	// loop on external peripherals
351	for( i = 0 ; i < dev_nr ; i++ )
352	{
353	base = dev_tbl[i].base;
354	channels = dev_tbl[i].channels;
355	func = FUNC_FROM_TYPE( dev_tbl[i].type );
356	impl = IMPL_FROM_TYPE( dev_tbl[i].type );
357
358	// There is one chdev per direction for NIC
359	if (func == DEV_FUNC_NIC) directions = 2;
360	else directions = 1;
361
362	// The TXT0 chdev has already been created
363	if (func == DEV_FUNC_TXT) first_channel = 1;
364	else first_channel = 0;
365
366	// do nothing for RO, that does not require a device descriptor.
367	if( func == DEV_FUNC_ROM ) continue;
368
369	// do nothing for PIC, that is already initialized
370	if( func == DEV_FUNC_PIC ) continue;
371
372	// check PIC device initialized
373	assert( (chdev_dir.pic != XPTR_NULL ) , __FUNCTION__ ,
374	"PIC device must be initialized before other devices\n" );
375
376	// check external device functionnal type
377	assert( ( (func == DEV_FUNC_IOB) \|\|
378	(func == DEV_FUNC_IOC) \|\|
379	(func == DEV_FUNC_TXT) \|\|
380	(func == DEV_FUNC_NIC) \|\|
381	(func == DEV_FUNC_FBF) ) , __FUNCTION__ ,
382	"undefined external peripheral type\n" );
383
384	// loops on channels
385	for( channel = first_channel ; channel < channels ; channel++ )
386	{
387	// loop on directions
388	for( rx = 0 ; rx < directions ; rx++ )
389	{
390	// compute target cluster for chdev[func,channel,direction]
391	uint32_t offset = ext_chdev_gid % ( info->x_size * info->y_size );
392	uint32_t cx = offset / info->y_size;
393	uint32_t cy = offset % info->y_size;
394	uint32_t target_cxy = (cx<<info->y_width) + cy;
395
396	// allocate and initialize a local chdev
397	// if local cluster matches target cluster
398	if( target_cxy == local_cxy )
399	{
400	chdev = chdev_create( func,
401	impl,
402	channel,
403	rx, // direction
404	base );
405
406	assert( (chdev != NULL), __FUNCTION__ ,
407	"cannot allocate external device" );
408
409	// make device type specific initialisation
410	if ( func == DEV_FUNC_IOB ) dev_iob_init( chdev );
411	else if( func == DEV_FUNC_IOC ) dev_ioc_init( chdev );
412	else if( func == DEV_FUNC_TXT ) dev_txt_init( chdev );
413	else if( func == DEV_FUNC_NIC ) dev_nic_init( chdev );
414	else if( func == DEV_FUNC_FBF ) dev_fbf_init( chdev );
415
416	// all external (shared) devices are remotely accessible
417	// initialize the replicated chdev_dir[x][y] structures
418	// defining the extended pointers on chdev descriptors
419	xptr_t * entry;
420
421	if(func==DEV_FUNC_IOB ) entry = &chdev_dir.iob;
422	if(func==DEV_FUNC_IOC ) entry = &chdev_dir.ioc[channel];
423	if(func==DEV_FUNC_TXT ) entry = &chdev_dir.txt[channel];
424	if(func==DEV_FUNC_FBF ) entry = &chdev_dir.fbf[channel];
425	if((func==DEV_FUNC_NIC) && (rx==0)) entry = &chdev_dir.nic_tx[channel];
426	if((func==DEV_FUNC_NIC) && (rx==1)) entry = &chdev_dir.nic_rx[channel];
427
428	for( x = 0 ; x < info->x_size ; x++ )
429	{
430	for( y = 0 ; y < info->y_size ; y++ )
431	{
432	cxy_t cxy = (x<<info->y_width) + y;
433	hal_remote_swd( XPTR( cxy , entry ),
434	XPTR( local_cxy , chdev ) );
435	}
436	}
437
438	kinit_dmsg("\n[INFO] %s create chdev %s[%d] in cluster %x at cycle %d\n",
439	__FUNCTION__ , chdev_func_str( func ), channel,
440	local_cxy , (uint32_t)hal_time_stamp() );
441
442	} // end if match
443
444	// increment chdev global index (matching or not)
445	ext_chdev_gid++;
446
447	} // end loop on directions
448	} // end loop on channels
449	} // end loop on devices
450	} // end external_devices_init()
451
452	///////////////////////////////////////////////////////////////////////////////////////////
453	// This function is called by CP0 in cluster 0 to allocate memory and initialize the PIC
454	// device, namely the informations attached to the external IOPIC controller.
455	// This initialisation must be done before other devices initialisation because the IRQ
456	// routing infrastructure is required for internal and external devices initialisation.
457	///////////////////////////////////////////////////////////////////////////////////////////
458	// @ info : pointer on the local boot-info structure.
459	///////////////////////////////////////////////////////////////////////////////////////////
460	static void iopic_init( boot_info_t * info )
461	{
462	boot_device_t * dev_tbl; // pointer on boot_info external devices array
463	uint32_t dev_nr; // actual number of external devices
464	xptr_t base; // remote pointer on segment base
465	uint32_t func; // device functionnal index
466	uint32_t impl; // device implementation index
467	uint32_t i; // device index in dev_tbl
468	uint32_t x; // cluster X coordinate
469	uint32_t y; // cluster Y coordinate
470	bool_t found; // IOPIC found
471	chdev_t * chdev; // pointer on PIC chdev descriptor
472
473	// get number of external peripherals and base of array from boot_info
474	dev_nr = info->ext_dev_nr;
475	dev_tbl = info->ext_dev;
476
477	// loop on external peripherals to get the IOPIC
478	for( i = 0 , found = false ; i < dev_nr ; i++ )
479	{
480	func = FUNC_FROM_TYPE( dev_tbl[i].type );
481
482	if( func == DEV_FUNC_PIC )
483	{
484	base = dev_tbl[i].base;
485	impl = IMPL_FROM_TYPE( dev_tbl[i].type );
486	found = true;
487	break;
488	}
489	}
490
491	assert( found , __FUNCTION__ , "PIC device not found\n" );
492
493	// allocate and initialize the PIC chdev in local cluster
494	chdev = chdev_create( func,
495	impl,
496	0, // channel
497	0, // direction,
498	base );
499
500	assert( (chdev != NULL), __FUNCTION__ , "no memory for PIC chdev\n" );
501
502	// make PIC device type specific initialisation
503	dev_pic_init( chdev );
504
505	// register extended pointer on PIC chdev in "chdev_dir" array in all clusters
506	xptr_t * entry = &chdev_dir.pic;
507
508	for( x = 0 ; x < info->x_size ; x++ )
509	{
510	for( y = 0 ; y < info->y_size ; y++ )
511	{
512	cxy_t cxy = (x<<info->y_width) + y;
513	hal_remote_swd( XPTR( cxy , entry ) ,
514	XPTR( local_cxy , chdev ) );
515	}
516	}
517
518	// initialize the "iopic_input" structure
519	// defining how external IRQs are connected to IOPIC
520	uint32_t id;
521	uint8_t valid;
522	uint32_t type;
523	uint8_t channel;
524	uint8_t is_rx;
525
526	for( id = 0 ; id < CONFIG_MAX_EXTERNAL_IRQS ; id++ )
527	{
528	valid = dev_tbl[i].irq[id].valid;
529	type = dev_tbl[i].irq[id].dev_type;
530	channel = dev_tbl[i].irq[id].channel;
531	is_rx = dev_tbl[i].irq[id].is_rx;
532
533	if( valid ) // only valid inputs are registered
534	{
535	uint32_t * index; // local pointer on one entry
536	uint16_t func = FUNC_FROM_TYPE( type );
537
538	if ( func == DEV_FUNC_TXT )
539	index = &iopic_input.txt[channel];
540	else if( func == DEV_FUNC_IOC )
541	index = &iopic_input.ioc[channel];
542	else if( (func == DEV_FUNC_NIC) && (is_rx == 0) )
543	index = &iopic_input.nic_tx[channel];
544	else if( (func == DEV_FUNC_NIC) && (is_rx != 0) )
545	index = &iopic_input.nic_rx[channel];
546	else if( func == DEV_FUNC_IOB )
547	index = &iopic_input.iob;
548	else
549	assert( false , __FUNCTION__ , "illegal source device for IOPIC input" );
550
551	// set entry in local structure
552	*index = id;
553	}
554	}
555
556	kinit_dmsg("\n[INFO] %s created PIC chdev in cluster %x at cycle %d\n",
557	__FUNCTION__ , local_cxy , (uint32_t)hal_time_stamp() );
558
559	} // end iopic_init()
560
561	///////////////////////////////////////////////////////////////////////////////////////////
562	// This function is called by all CP0s in all cluster to complete the PIC device
563	// initialisation, namely the informations attached to the LAPIC controller.
564	// This initialisation must be done after the IOPIC initialisation, but before other
565	// devices initialisation because the IRQ routing infrastructure is required for both
566	// internal and external devices initialisation.
567	///////////////////////////////////////////////////////////////////////////////////////////
568	// @ info : pointer on the local boot-info structure.
569	///////////////////////////////////////////////////////////////////////////////////////////
570	static void lapic_init( boot_info_t * info )
571	{
572	boot_device_t * dev_tbl; // pointer on boot_info internal devices array
573	uint32_t dev_nr; // number of internal devices
574	uint32_t i; // device index in dev_tbl
575	xptr_t base; // remote pointer on segment base
576	uint32_t func; // device functionnal type in boot_info
577	bool_t found; // LAPIC found
578
579	// get number of internal peripherals and base
580	dev_nr = info->int_dev_nr;
581	dev_tbl = info->int_dev;
582
583	// loop on internal peripherals to get the lapic device
584	for( i = 0 , found = false ; i < dev_nr ; i++ )
585	{
586	func = FUNC_FROM_TYPE( dev_tbl[i].type );
587
588	if( func == DEV_FUNC_ICU )
589	{
590	base = dev_tbl[i].base;
591	found = true;
592	break;
593	}
594	}
595
596	// if the LAPIC controller is not defined in the boot_info,
597	// we simply don't initialize the PIC extensions in the kernel,
598	// making the assumption that the LAPIC related informations
599	// are hidden in the hardware specific PIC driver.
600	if( found )
601	{
602	// initialise the PIC extensions for
603	// the core descriptor and core manager extensions
604	dev_pic_extend_init( (uint32_t *)GET_PTR( base ) );
605
606	// initialize the "lapic_input" structure
607	// defining how internal IRQs are connected to LAPIC
608	uint32_t id;
609	uint8_t valid;
610	uint8_t channel;
611	uint32_t func;
612
613	for( id = 0 ; id < CONFIG_MAX_INTERNAL_IRQS ; id++ )
614	{
615	valid = dev_tbl[i].irq[id].valid;
616	func = FUNC_FROM_TYPE( dev_tbl[i].irq[id].dev_type );
617	channel = dev_tbl[i].irq[id].channel;
618
619	if( valid ) // only valid local IRQs are registered
620	{
621	if ( func == DEV_FUNC_MMC ) lapic_input.mmc = id;
622	else if( func == DEV_FUNC_DMA ) lapic_input.dma[channel] = id;
623	else assert( false , __FUNCTION__ , "illegal source device for LAPIC input" );
624	}
625	}
626	}
627	} // end lapic_init()
628
629	///////////////////////////////////////////////////////////////////////////////////////////
630	// This static function returns the identifiers of the calling core.
631	///////////////////////////////////////////////////////////////////////////////////////////
632	// @ info : pointer on boot_info structure.
633	// @ lid : [out] core local index in cluster.
634	// @ cxy : [out] cluster identifier.
635	// @ lid : [out] core global identifier (hardware).
636	// @ return 0 if success / return EINVAL if not found.
637	///////////////////////////////////////////////////////////////////////////////////////////
638	static error_t get_core_identifiers( boot_info_t * info,
639	lid_t * lid,
640	cxy_t * cxy,
641	gid_t * gid )
642	{
643	uint32_t i;
644	gid_t global_id;
645
646	// get global identifier from hardware register
647	global_id = hal_get_gid();
648
649	// makes an associative search in boot_info to get (cxy,lid) from global_id
650	for( i = 0 ; i < info->cores_nr ; i++ )
651	{
652	if( global_id == info->core[i].gid )
653	{
654	*lid = info->core[i].lid;
655	*cxy = info->core[i].cxy;
656	*gid = global_id;
657	return 0;
658	}
659	}
660	return EINVAL;
661	}
662
663	///////////////////////////////////////////////////////////////////////////////////////////
664	// This function is the entry point for the kernel initialisation.
665	// It is executed by all cores in all clusters, but only core[0], called CP0,
666	// initializes the shared resources such as the cluster manager, or the local peripherals.
667	// To comply with the multi-kernels paradigm, it accesses only local cluster memory, using
668	// only information contained in the local boot_info_t structure, set by the bootloader.
669	// Only CP0 in cluster 0 print the log messages.
670	///////////////////////////////////////////////////////////////////////////////////////////
671	// @ info : pointer on the local boot-info structure.
672	///////////////////////////////////////////////////////////////////////////////////////////
673	void kernel_init( boot_info_t * info )
674	{
675	lid_t core_lid = -1; // running core local index
676	cxy_t core_cxy = -1; // running core cluster identifier
677	gid_t core_gid; // running core hardware identifier
678	cluster_t * cluster; // pointer on local cluster manager
679	core_t * core; // pointer on running core descriptor
680	thread_t * thread; // pointer on idle thread descriptor
681
682	xptr_t vfs_root_inode_xp; // extended pointer on VFS root inode
683	xptr_t devfs_dev_inode_xp; // extended pointer on DEVFS dev inode
684	xptr_t devfs_external_inode_xp; // extended pointer on DEVFS external inode
685	xptr_t devfs_internal_inode_xp; // extended pointer on DEVFS internal inode
686
687	error_t error;
688
689	cxy_t io_cxy = info->io_cxy;
690
691	/////////////////////////////////////////////////////////////////////////////////
692	// STEP 0 : Each core get its core identifier from boot_info, and makes
693	// a partial initialisation of its private idle thread descriptor.
694	// CP0 initializes the "local_cxy" global variable.
695	// CP0 in cluster IO initializes the TXT0 chdev to print log messages.
696	/////////////////////////////////////////////////////////////////////////////////
697
698	error = get_core_identifiers( info,
699	&core_lid,
700	&core_cxy,
701	&core_gid );
702
703	// CP0 initializes cluster identifier
704	if( core_lid == 0 ) local_cxy = info->cxy;
705
706	// each core gets a pointer on its private idle thread descriptor
707	thread = (thread_t )( idle_threads + (core_lid CONFIG_THREAD_DESC_SIZE) );
708
709	// each core registers this thread pointer in hardware register
710	hal_set_current_thread( thread );
711
712	// each core initializes the idle thread "locks_root" and "xlocks_root" fields
713	list_root_init( &thread->locks_root );
714	xlist_root_init( XPTR( local_cxy , &thread->xlocks_root ) );
715
716	// CP0 in I/O cluster initialises TXT0 chdev descriptor
717	if( (core_lid == 0) && (core_cxy == io_cxy) ) txt0_device_init( info );
718
719	/////////////////////////////////////////////////////////////////////////////////
720	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
721	(info->x_size * info->y_size) );
722	barrier_wait( &local_barrier , info->cores_nr );
723
724	if( (core_lid == 0) && (local_cxy == 0) )
725	kinit_dmsg("\n[INFO] %s exit barrier 0 at cycle %d : TXT0 initialized\n",
726	__FUNCTION__, (uint32_t)hal_time_stamp());
727
728	/////////////////////////////////////////////////////////////////////////////
729	// STEP 1 : all cores check its core identifier.
730	// CP0 initializes the local cluster manager.
731	// This includes the memory allocators.
732	/////////////////////////////////////////////////////////////////////////////
733
734	// all cores check identifiers
735	if( error )
736	{
737	nolock_printk("\n[PANIC] in %s : illegal core identifiers"
738	" gid = %x / cxy = %x / lid = %d\n",
739	__FUNCTION__ , core_lid , core_cxy , core_lid );
740	hal_core_sleep();
741	}
742
743	// CP0 initializes cluster manager
744	if( core_lid == 0 )
745	{
746	error = cluster_init( info );
747
748	if( error )
749	{
750	nolock_printk("\n[PANIC] in %s : cannot initialise cluster %x",
751	__FUNCTION__ , local_cxy );
752	hal_core_sleep();
753	}
754	}
755
756	/////////////////////////////////////////////////////////////////////////////////
757	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
758	(info->x_size * info->y_size) );
759	barrier_wait( &local_barrier , info->cores_nr );
760	/////////////////////////////////////////////////////////////////////////////////
761
762	if( (core_lid == 0) && (local_cxy == 0) )
763	kinit_dmsg("\n[INFO] %s exit barrier 1 at cycle %d : clusters initialised\n",
764	__FUNCTION__, (uint32_t)hal_time_stamp());
765
766	/////////////////////////////////////////////////////////////////////////////////
767	// STEP 2 : all CP0s initialize the process_zero descriptor.
768	// CP0 in cluster 0 initialises the IOPIC device.
769	// all CP0s complete the distibuted LAPIC initialization.
770	/////////////////////////////////////////////////////////////////////////////////
771
772	// all cores get pointer on local cluster manager & core descriptor
773	cluster = &cluster_manager;
774	core = &cluster->core_tbl[core_lid];
775
776	// all CP0s initialize the process_zero descriptor
777	if( core_lid == 0 ) process_reference_init( &process_zero , 0 , XPTR_NULL );
778
779	// CP0 in cluster 0 initializes the PIC chdev,
780	if( (core_lid == 0) && (local_cxy == 0) ) iopic_init( info );
781
782	// all CP0s initialize their local LAPIC extension,
783	if( core_lid == 0 ) lapic_init( info );
784
785	////////////////////////////////////////////////////////////////////////////////
786	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
787	(info->x_size * info->y_size) );
788	barrier_wait( &local_barrier , info->cores_nr );
789	////////////////////////////////////////////////////////////////////////////////
790
791	if( (core_lid == 0) && (local_cxy == 0) )
792	kinit_dmsg("\n[INFO] %s exit barrier 2 at cycle %d : PIC initialised\n",
793	__FUNCTION__, (uint32_t)hal_time_stamp());
794
795	////////////////////////////////////////////////////////////////////////////////
796	// STEP 3 : all CP0s initialize their local chdev descriptors
797	// (both internal devices and external devices).
798	////////////////////////////////////////////////////////////////////////////////
799
800	// CP0 scan the internal (private) peripherals,
801	// and allocates memory for the corresponding chdev descriptors.
802	if( core_lid == 0 ) internal_devices_init( info );
803
804
805	// All CP0s contribute to initialise external peripheral chdev descriptors.
806	// Each CP0[cxy] scan the set of external (shared) peripherals (but the TXT0),
807	// and allocates memory for the chdev descriptors that must be placed
808	// on the (cxy) cluster according to the global index value.
809
810	if( core_lid == 0 ) external_devices_init( info );
811
812	/////////////////////////////////////////////////////////////////////////////////
813	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
814	(info->x_size * info->y_size) );
815	barrier_wait( &local_barrier , info->cores_nr );
816	/////////////////////////////////////////////////////////////////////////////////
817
818	if( (core_lid == 0) && (local_cxy == 0) )
819	kinit_dmsg("\n[INFO] %s exit barrier 3 at cycle %d : all chdev initialised\n",
820	__FUNCTION__, (uint32_t)hal_time_stamp());
821
822	/////////////////////////////////////////////////////////////////////////////////
823	// STEP 4 : Alls cores initialize their private IDLE thread.
824	// Only CP0 in cluster 0 creates the VFS root inode.
825	// It access the boot device to initialize the file system context.
826	/////////////////////////////////////////////////////////////////////////////////
827
828	// all cores create idle thread descriptor
829	error = thread_kernel_init( thread,
830	THREAD_IDLE,
831	&thread_idle_func,
832	NULL,
833	core_lid );
834	if( error )
835	{
836	nolock_printk("\n[PANIC] in %s : core[%x][%d] cannot initialize idle thread\n",
837	__FUNCTION__ , local_cxy , core_lid );
838	hal_core_sleep();
839	}
840
841	// all cores register idle thread in scheduler
842	core->scheduler.idle = thread;
843
844	// all core activate the idle thread
845	thread_unblock( XPTR( local_cxy , thread ) , THREAD_BLOCKED_GLOBAL );
846
847	if( (core_lid == 0) && (local_cxy == 0) )
848	{
849	kinit_dmsg("\n[INFO] %s : created idle thread %x at cycle %d\n",
850	__FUNCTION__ , thread , (uint32_t)hal_time_stamp());
851	}
852
853	// CPO in cluster 0 creates the VFS root
854	if( (core_lid == 0) && (local_cxy == 0 ) )
855	{
856	vfs_root_inode_xp = XPTR_NULL;
857
858	// File System must be FATFS in this implementation,
859	// but other File System can be introduced here
860	if( CONFIG_VFS_ROOT_IS_FATFS )
861	{
862	// 1. create FATFS context in cluster 0
863	fatfs_ctx_t * fatfs_ctx = fatfs_ctx_alloc();
864
865	nolock_assert( (fatfs_ctx != NULL) , __FUNCTION__ ,
866	"cannot create FATFS context in cluster 0\n" );
867
868	// 2. access boot device to initialize FATFS context
869	fatfs_ctx_init( fatfs_ctx );
870
871	// 3. get various informations from FATFS context
872	uint32_t root_dir_cluster = fatfs_ctx->root_dir_cluster;
873	uint32_t cluster_size = fatfs_ctx->bytes_per_sector *
874	fatfs_ctx->sectors_per_cluster;
875	uint32_t total_clusters = fatfs_ctx->fat_sectors_count << 7;
876
877	// 4. create VFS root inode in cluster 0
878	error = vfs_inode_create( XPTR_NULL, // dentry_xp
879	FS_TYPE_FATFS, // fs_type
880	INODE_TYPE_DIR, // inode_type
881	(void *)(intptr_t)root_dir_cluster, // extend
882	0, // attr
883	0, // rights
884	0, // uid
885	0, // gid
886	&vfs_root_inode_xp ); // return
887
888	nolock_assert( (error == 0) , __FUNCTION__ ,
889	"cannot create VFS root inode\n" );
890
891	// 5. initialize VFS context for FAT in cluster 0
892	vfs_ctx_init( FS_TYPE_FATFS, // file system type
893	0, // attributes
894	total_clusters,
895	cluster_size,
896	vfs_root_inode_xp, // VFS root
897	fatfs_ctx ); // extend
898	}
899	else
900	{
901	nolock_printk("\n[PANIC] in %s : root FS must be FATFS\n", __FUNCTION__ );
902	hal_core_sleep();
903	}
904
905	// register VFS root inode in process_zero
906	process_zero.vfs_root_xp = vfs_root_inode_xp;
907	process_zero.vfs_cwd_xp = vfs_root_inode_xp;
908	}
909
910	/////////////////////////////////////////////////////////////////////////////////
911	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
912	(info->x_size * info->y_size) );
913	barrier_wait( &local_barrier , info->cores_nr );
914	/////////////////////////////////////////////////////////////////////////////////
915
916	if( (core_lid == 0) && (local_cxy == 0) )
917	kinit_dmsg("\n[INFO] %s exit barrier 4 at cycle %d : VFS OK in cluster 0\n",
918	__FUNCTION__, (uint32_t)hal_time_stamp());
919
920	/////////////////////////////////////////////////////////////////////////////////
921	// STEP 5 : Other CP0s allocate memory for the selected FS context,
922	// and initialise both the local FS context and the local VFS context
923	// from values stored in cluster 0.
924	// They get the VFS root inode extended pointer from cluster 0.
925	/////////////////////////////////////////////////////////////////////////////////
926
927	if( (core_lid == 0) && (local_cxy != 0) )
928	{
929	// File System must be FATFS in this implementation,
930	// but other File System can be introduced here
931	if( CONFIG_VFS_ROOT_IS_FATFS )
932	{
933	// allocate memory for FATFS context
934	fatfs_ctx_t * fatfs_ctx = fatfs_ctx_alloc();
935
936	nolock_assert( (fatfs_ctx != NULL) , __FUNCTION__ ,
937	"cannot create FATFS context\n" );
938
939	// get local pointer on VFS context for FATFS
940	vfs_ctx_t * vfs_ctx = &fs_context[FS_TYPE_FATFS];
941
942	// copy VFS context from cluster 0 to local cluster
943	hal_remote_memcpy( XPTR( local_cxy , vfs_ctx ),
944	XPTR( 0 , vfs_ctx ),
945	sizeof(vfs_ctx_t) );
946
947	// copy FATFS context from cluster 0 to local cluster
948	hal_remote_memcpy( XPTR( local_cxy , fatfs_ctx ),
949	XPTR( 0 , fatfs_ctx ),
950	sizeof(fatfs_ctx_t) );
951
952	// update extend field in local copy of VFS context
953	vfs_ctx->extend = fatfs_ctx;
954	}
955
956	// get extended pointer on VFS root inode from cluster 0
957	vfs_root_inode_xp = hal_remote_lwd( XPTR( 0 , process_zero.vfs_root_xp ) );
958
959	// update local process_zero descriptor
960	process_zero.vfs_root_xp = vfs_root_inode_xp;
961	process_zero.vfs_cwd_xp = vfs_root_inode_xp;
962	}
963
964	/////////////////////////////////////////////////////////////////////////////////
965	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
966	(info->x_size * info->y_size) );
967	barrier_wait( &local_barrier , info->cores_nr );
968	/////////////////////////////////////////////////////////////////////////////////
969
970	if( (core_lid == 0) && (local_cxy == 0) )
971	kinit_dmsg("\n[INFO] %s exit barrier 5 at cycle %d : VFS OK in all clusters\n",
972	__FUNCTION__, (uint32_t)hal_time_stamp());
973
974
975	/////////////////////////////////////////////////////////////////////////////////
976	// STEP 6 : CP0 in cluster IO makes the global DEVFS tree initialisation:
977	// It creates the DEVFS directory "dev", and the DEVFS "external"
978	// directory in cluster IO and mount these inodes into VFS.
979	/////////////////////////////////////////////////////////////////////////////////
980
981	if( (core_lid == 0) && (local_cxy == io_cxy) )
982	{
983	// create "dev" and "external" directories.
984	devfs_global_init( process_zero.vfs_root_xp,
985	&devfs_dev_inode_xp,
986	&devfs_external_inode_xp );
987
988	// creates the DEVFS context in cluster IO
989	devfs_ctx_t * devfs_ctx = devfs_ctx_alloc();
990
991	nolock_assert( (devfs_ctx != NULL) , __FUNCTION__ ,
992	"cannot create DEVFS context in cluster IO\n");
993
994	// register DEVFS root and external directories
995	devfs_ctx_init( devfs_ctx, devfs_dev_inode_xp, devfs_external_inode_xp );
996	}
997
998	/////////////////////////////////////////////////////////////////////////////////
999	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
1000	(info->x_size * info->y_size) );
1001	barrier_wait( &local_barrier , info->cores_nr );
1002	/////////////////////////////////////////////////////////////////////////////////
1003
1004	if( (core_lid == 0) && (local_cxy == 0) )
1005	kinit_dmsg("\n[INFO] %s exit barrier 6 at cycle %d : DEVFS OK in cluster IO\n",
1006	__FUNCTION__, (uint32_t)hal_time_stamp());
1007
1008	/////////////////////////////////////////////////////////////////////////////////
1009	// STEP 7 : All CP0s complete in parallel the DEVFS tree initialization.
1010	// Each CP0 get the "dev" and "external" extended pointers from
1011	// values stored in cluster IO.
1012	// Then CP0 in cluster(i) creates the DEVFS "internal directory,
1013	// and creates the pseudo-files for all chdevs in cluster (i).
1014	/////////////////////////////////////////////////////////////////////////////////
1015
1016	if( core_lid == 0 )
1017	{
1018	// get extended pointer on "extend" field of VFS context for DEVFS in cluster IO
1019	xptr_t extend_xp = XPTR( io_cxy , &fs_context[FS_TYPE_DEVFS].extend );
1020
1021	// get pointer on DEVFS context in cluster IO
1022	devfs_ctx_t * devfs_ctx = hal_remote_lpt( extend_xp );
1023
1024	devfs_dev_inode_xp = hal_remote_lwd( XPTR( io_cxy ,
1025	&devfs_ctx->dev_inode_xp ) );
1026	devfs_external_inode_xp = hal_remote_lwd( XPTR( io_cxy ,
1027	&devfs_ctx->external_inode_xp ) );
1028
1029	// populate DEVFS in all clusters
1030	devfs_local_init( devfs_dev_inode_xp,
1031	devfs_external_inode_xp,
1032	&devfs_internal_inode_xp );
1033	}
1034
1035	/////////////////////////////////////////////////////////////////////////////////
1036	if( core_lid == 0 ) remote_barrier( XPTR( io_cxy , &global_barrier ),
1037	(info->x_size * info->y_size) );
1038	barrier_wait( &local_barrier , info->cores_nr );
1039	/////////////////////////////////////////////////////////////////////////////////
1040
1041	if( (core_lid == 0) && (local_cxy == 0) )
1042	kinit_dmsg("\n[INFO] %s exit barrier 7 at cycle %d : DEVFS OK in all clusters\n",
1043	__FUNCTION__, (uint32_t)hal_time_stamp());
1044
1045	#if CONFIG_KINIT_DEBUG
1046	vfs_display( vfs_root_inode_xp );
1047	#endif
1048
1049	/////////////////////////////////////////////////////////////////////////////////
1050	// STEP 8 : CP0 in I/O cluster creates the first user process (process_init)
1051	/////////////////////////////////////////////////////////////////////////////////
1052
1053	if( (core_lid == 0) && (local_cxy == io_cxy) )
1054	{
1055	process_init_create();
1056	}
1057
1058	/////////////////////////////////////////////////////////////////////////////////
1059	if( core_lid == 0 ) remote_barrier( XPTR( info->io_cxy , &global_barrier ),
1060	(info->x_size * info->y_size) );
1061	barrier_wait( &local_barrier , info->cores_nr );
1062	/////////////////////////////////////////////////////////////////////////////////
1063
1064	if( (core_lid == 0) && (local_cxy == 0) )
1065	kinit_dmsg("\n[INFO] %s exit barrier 8 at cycle %d : process init created\n",
1066	__FUNCTION__ , (uint32_t)hal_time_stamp() );
1067
1068	/////////////////////////////////////////////////////////////////////////////////
1069	// STEP 9 : CP0 in cluster 0 print banner
1070	/////////////////////////////////////////////////////////////////////////////////
1071
1072	if( (core_lid == 0) && (local_cxy == io_cxy) )
1073	{
1074	print_banner( (info->x_size * info->y_size) , info->cores_nr );
1075
1076	kinit_dmsg("\n\n* memory fooprint of main kernet objects *\n"
1077	" - thread descriptor : %d bytes\n"
1078	" - process descriptor : %d bytes\n"
1079	" - cluster manager : %d bytes\n"
1080	" - chdev descriptor : %d bytes\n"
1081	" - core descriptor : %d bytes\n"
1082	" - scheduler : %d bytes\n"
1083	" - rpc fifo : %d bytes\n"
1084	" - page descriptor : %d bytes\n"
1085	" - mapper root : %d bytes\n"
1086	" - ppm manager : %d bytes\n"
1087	" - kcm manager : %d bytes\n"
1088	" - khm manager : %d bytes\n"
1089	" - vmm manager : %d bytes\n"
1090	" - gpt root : %d bytes\n"
1091	" - list item : %d bytes\n"
1092	" - xlist item : %d bytes\n"
1093	" - spinlock : %d bytes\n"
1094	" - remote spinlock : %d bytes\n"
1095	" - rwlock : %d bytes\n"
1096	" - remote rwlock : %d bytes\n",
1097	sizeof( thread_t ),
1098	sizeof( process_t ),
1099	sizeof( cluster_t ),
1100	sizeof( chdev_t ),
1101	sizeof( core_t ),
1102	sizeof( scheduler_t ),
1103	sizeof( rpc_fifo_t ),
1104	sizeof( page_t ),
1105	sizeof( mapper_t ),
1106	sizeof( ppm_t ),
1107	sizeof( kcm_t ),
1108	sizeof( khm_t ),
1109	sizeof( vmm_t ),
1110	sizeof( gpt_t ),
1111	sizeof( list_entry_t ),
1112	sizeof( xlist_entry_t ),
1113	sizeof( spinlock_t ),
1114	sizeof( remote_spinlock_t ),
1115	sizeof( rwlock_t ),
1116	sizeof( remote_rwlock_t ));
1117	}
1118
1119	// each core activates its private PTI IRQ
1120	dev_pic_enable_timer( CONFIG_SCHED_TICK_PERIOD );
1121
1122	if( (core_lid == 0) && (local_cxy == io_cxy) )
1123	thread_dmsg("\n[INFO] %s complete kernel init in cluster 0 at cycle %d\n"
1124	__FUNCTION__ , (uint32_t)hal_time_stamp() )
1125
1126	// each core jump to idle thread
1127	thread_idle_func();
1128	}
1129

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: trunk/kernel/kern/kernel_init.c @ 232

Download in other formats: