[apple/xnu.git] / osfmk / i386 / cpu_capabilities.h

/*
 * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
#ifdef	PRIVATE

#ifndef _I386_CPU_CAPABILITIES_H
#define _I386_CPU_CAPABILITIES_H

#ifndef	__ASSEMBLER__
#include <stdint.h>
#endif
 
/*
 * This is the authoritative way to determine from user mode what
 * implementation-specific processor features are available.
 * This API only supported for Apple internal use.
 * 
 */

/* Bit definitions for _cpu_capabilities: */

#define	kHasMMX				0x00000001
#define	kHasSSE				0x00000002
#define	kHasSSE2			0x00000004
#define	kHasSSE3			0x00000008
#define	kCache32			0x00000010	// cache line size is 32 bytes
#define	kCache64			0x00000020
#define	kCache128			0x00000040
#define	kFastThreadLocalStorage		0x00000080	// TLS ptr is kept in a user-mode-readable register

#define	kUP				0x00008000	// set if (kNumCPUs == 1)
#define	kNumCPUs			0x00FF0000	// number of CPUs (see _NumCPUs() below)

#define	kNumCPUsShift		16			// see _NumCPUs() below

#ifndef	__ASSEMBLER__
#include <sys/cdefs.h>

__BEGIN_DECLS
extern int  _get_cpu_capabilities( void );
__END_DECLS

inline static
int _NumCPUs( void )
{
	return (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift;
}

#endif /* __ASSEMBLER__ */


/*
 * The shared kernel/user "comm page(s)":
 *
 * The last eight pages of every address space are reserved for the kernel/user
 * "comm area". During system initialization, the kernel populates the comm page with
 * code customized for the particular processor and platform.
 *
 * Because Mach VM cannot map the last page of an address space, the max length of
 * the comm area is seven pages.
 */
 
#define	_COMM_PAGE_AREA_LENGTH	(19*4096)
					// reserved length of entire comm area
#define _COMM_PAGE_BASE_ADDRESS (-20*4096)
					// VM_MAX_ADDRESS-_COMM_PAGE_AREA_LENGTH
#define _COMM_PAGE_START_ADDRESS (-16*4096)
					// VM_MAX_ADDRESS-_COMM_PAGE_AREA_LENGTH
#define _COMM_PAGE_SIGS_OFFSET	0x8000
					// offset to routine signatures
 
/* data in the comm page */
 
#define _COMM_PAGE_SIGNATURE			(_COMM_PAGE_START_ADDRESS+0x000)	// first few bytes are a signature
#define _COMM_PAGE_VERSION				(_COMM_PAGE_START_ADDRESS+0x01E)	// 16-bit version#
#define	_COMM_PAGE_THIS_VERSION			3								// version of the commarea format
  
#define _COMM_PAGE_CPU_CAPABILITIES		(_COMM_PAGE_START_ADDRESS+0x020)	// uint32_t _cpu_capabilities
#define _COMM_PAGE_NCPUS				(_COMM_PAGE_START_ADDRESS+0x021)	// uint8_t number of configured CPUs
#define _COMM_PAGE_VECTOR_FLAVOR		(_COMM_PAGE_START_ADDRESS+0x024)	// uint8_t SSE/SSE2/SSE3 
#define _COMM_PAGE_CACHE_LINESIZE		(_COMM_PAGE_START_ADDRESS+0x026)	// uint16_t cache line size
 
#define _COMM_PAGE_UNUSED1				(_COMM_PAGE_START_ADDRESS+0x030)	// 16 unused bytes
 
#define _COMM_PAGE_2_TO_52				(_COMM_PAGE_START_ADDRESS+0x040)	// double float constant 2**52
#define _COMM_PAGE_10_TO_6				(_COMM_PAGE_START_ADDRESS+0x048)	// double float constant 10**6
 
#define _COMM_PAGE_UNUSED2				(_COMM_PAGE_START_ADDRESS+0x050)	// 16 unused bytes
 
#define _COMM_PAGE_TIMEBASE				(_COMM_PAGE_START_ADDRESS+0x060)	// used by gettimeofday()
#define _COMM_PAGE_TIMESTAMP			(_COMM_PAGE_START_ADDRESS+0x068)	// used by gettimeofday()
#define _COMM_PAGE_SEC_PER_TICK			(_COMM_PAGE_START_ADDRESS+0x070)	// used by gettimeofday()
 
 /* jump table (bla to this address, which may be a branch to the actual code somewhere else) */
 /* When new jump table entries are added, corresponding symbols should be added below         */

#define _COMM_PAGE_COMPARE_AND_SWAP32   (_COMM_PAGE_START_ADDRESS+0x080) // compare-and-swap word
#define _COMM_PAGE_COMPARE_AND_SWAP64   (_COMM_PAGE_START_ADDRESS+0x0c0) // compare-and-swap doubleword
#define _COMM_PAGE_ENQUEUE              (_COMM_PAGE_START_ADDRESS+0x100) // enqueue
#define _COMM_PAGE_DEQUEUE              (_COMM_PAGE_START_ADDRESS+0x140) // dequeue
#define _COMM_PAGE_MEMORY_BARRIER       (_COMM_PAGE_START_ADDRESS+0x180) // add atomic doubleword
#define _COMM_PAGE_ATOMIC_ADD32         (_COMM_PAGE_START_ADDRESS+0x1a0) // add atomic word
#define _COMM_PAGE_ATOMIC_ADD64         (_COMM_PAGE_START_ADDRESS+0x1c0) // add atomic doubleword

#define _COMM_PAGE_NANOTIME_INFO        (_COMM_PAGE_START_ADDRESS+0x1e0) // 32 bytes used by nanotime()
 
#define _COMM_PAGE_ABSOLUTE_TIME		(_COMM_PAGE_START_ADDRESS+0x200)	// mach_absolute_time()
#define _COMM_PAGE_SPINLOCK_TRY			(_COMM_PAGE_START_ADDRESS+0x220)	// spinlock_try()
#define _COMM_PAGE_SPINLOCK_LOCK		(_COMM_PAGE_START_ADDRESS+0x260)	// spinlock_lock()
#define _COMM_PAGE_SPINLOCK_UNLOCK		(_COMM_PAGE_START_ADDRESS+0x2a0)	// spinlock_unlock()
#define _COMM_PAGE_PTHREAD_GETSPECIFIC  (_COMM_PAGE_START_ADDRESS+0x2c0)	// pthread_getspecific()
#define _COMM_PAGE_GETTIMEOFDAY			(_COMM_PAGE_START_ADDRESS+0x2e0)	// used by gettimeofday()
#define _COMM_PAGE_FLUSH_DCACHE			(_COMM_PAGE_START_ADDRESS+0x4e0)	// sys_dcache_flush()
#define _COMM_PAGE_FLUSH_ICACHE			(_COMM_PAGE_START_ADDRESS+0x520)	// sys_icache_invalidate()
#define _COMM_PAGE_PTHREAD_SELF			(_COMM_PAGE_START_ADDRESS+0x580)	// pthread_self()
#define _COMM_PAGE_UNUSED4				(_COMM_PAGE_START_ADDRESS+0x5a0)	// 32 unused bytes
#define _COMM_PAGE_RELINQUISH			(_COMM_PAGE_START_ADDRESS+0x5c0) // used by spinlocks
 
#define _COMM_PAGE_BTS		        	(_COMM_PAGE_START_ADDRESS+0x5e0) // bit test-and-set 
#define _COMM_PAGE_BTC					(_COMM_PAGE_START_ADDRESS+0x5f0) // bit test-and-clear 
 
#define _COMM_PAGE_BZERO				(_COMM_PAGE_START_ADDRESS+0x600)	// bzero()
#define _COMM_PAGE_BCOPY				(_COMM_PAGE_START_ADDRESS+0x780)	// bcopy()
#define	_COMM_PAGE_MEMCPY				(_COMM_PAGE_START_ADDRESS+0x7a0)	// memcpy()
#define	_COMM_PAGE_MEMMOVE				(_COMM_PAGE_START_ADDRESS+0x7a0)	// memmove()

#define	_COMM_PAGE_NANOTIME				(_COMM_PAGE_START_ADDRESS+0xF80) // nanotime()

#define	_COMM_PAGE_BIGCOPY				(_COMM_PAGE_START_ADDRESS+0x1000)// very-long-operand copies

#define _COMM_PAGE_END					(_COMM_PAGE_START_ADDRESS+0x1600)// end of common page

#ifdef __ASSEMBLER__
#ifdef __COMM_PAGE_SYMBOLS

#define CREATE_COMM_PAGE_SYMBOL(symbol_name, symbol_address)		\
				.org	(symbol_address - (_COMM_PAGE_BASE_ADDRESS & 0xFFFFE000)) ;\
symbol_name: nop

	.text		// Required to make a well behaved symbol file

	CREATE_COMM_PAGE_SYMBOL(___compare_and_swap32, _COMM_PAGE_COMPARE_AND_SWAP32)
	CREATE_COMM_PAGE_SYMBOL(___compare_and_swap64, _COMM_PAGE_COMPARE_AND_SWAP64)
	CREATE_COMM_PAGE_SYMBOL(___atomic_enqueue, _COMM_PAGE_ENQUEUE)
	CREATE_COMM_PAGE_SYMBOL(___atomic_dequeue, _COMM_PAGE_DEQUEUE)
	CREATE_COMM_PAGE_SYMBOL(___memory_barrier, _COMM_PAGE_MEMORY_BARRIER)
	CREATE_COMM_PAGE_SYMBOL(___atomic_add32, _COMM_PAGE_ATOMIC_ADD32)
	CREATE_COMM_PAGE_SYMBOL(___atomic_add64, _COMM_PAGE_ATOMIC_ADD64)
	CREATE_COMM_PAGE_SYMBOL(___mach_absolute_time, _COMM_PAGE_ABSOLUTE_TIME)
	CREATE_COMM_PAGE_SYMBOL(___spin_lock_try, _COMM_PAGE_SPINLOCK_TRY)
	CREATE_COMM_PAGE_SYMBOL(___spin_lock, _COMM_PAGE_SPINLOCK_LOCK)
	CREATE_COMM_PAGE_SYMBOL(___spin_unlock, _COMM_PAGE_SPINLOCK_UNLOCK)
	CREATE_COMM_PAGE_SYMBOL(___pthread_getspecific, _COMM_PAGE_PTHREAD_GETSPECIFIC)
	CREATE_COMM_PAGE_SYMBOL(___gettimeofday, _COMM_PAGE_GETTIMEOFDAY)
	CREATE_COMM_PAGE_SYMBOL(___sys_dcache_flush, _COMM_PAGE_FLUSH_DCACHE)
	CREATE_COMM_PAGE_SYMBOL(___sys_icache_invalidate, _COMM_PAGE_FLUSH_ICACHE)
	CREATE_COMM_PAGE_SYMBOL(___pthread_self, _COMM_PAGE_PTHREAD_SELF)
	CREATE_COMM_PAGE_SYMBOL(___spin_lock_relinquish, _COMM_PAGE_RELINQUISH)
	CREATE_COMM_PAGE_SYMBOL(___bit_test_and_set, _COMM_PAGE_BTS)
	CREATE_COMM_PAGE_SYMBOL(___bit_test_and_clear, _COMM_PAGE_BTC)
	CREATE_COMM_PAGE_SYMBOL(___bzero, _COMM_PAGE_BZERO)
	CREATE_COMM_PAGE_SYMBOL(___bcopy, _COMM_PAGE_BCOPY)
	CREATE_COMM_PAGE_SYMBOL(___memcpy, _COMM_PAGE_MEMCPY)
//	CREATE_COMM_PAGE_SYMBOL(___memmove, _COMM_PAGE_MEMMOVE)
	CREATE_COMM_PAGE_SYMBOL(___bigcopy, _COMM_PAGE_BIGCOPY)
	CREATE_COMM_PAGE_SYMBOL(___nanotime, _COMM_PAGE_NANOTIME)
	CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END)

	.data		// Required to make a well behaved symbol file
	.long	0	// Required to make a well behaved symbol file

#endif /* __COMM_PAGE_SYMBOLS */
#endif /* __ASSEMBLER__ */

#endif /* _I386_CPU_CAPABILITIES_H */
#endif /* PRIVATE */
Commit	Line	Data
43866e37	1	/*
8f6c56a5	2	* Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.
43866e37	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
43866e37	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
43866e37	27	*/
91447636	28	#ifdef PRIVATE
43866e37 A	29
	30	#ifndef _I386_CPU_CAPABILITIES_H
	31	#define _I386_CPU_CAPABILITIES_H
	32
91447636 A	33	#ifndef __ASSEMBLER__
	34	#include <stdint.h>
	35	#endif
55e303ae	36
55e303ae	37	/*
8f6c56a5 A	38	* This is the authoritative way to determine from user mode what
8f6c56a5 A	39	* implementation-specific processor features are available.
43866e37	40	* This API only supported for Apple internal use.
8f6c56a5	41	*
43866e37 A	42	*/
43866e37 A	43
55e303ae A	44	/* Bit definitions for _cpu_capabilities: */
	45
	46	#define kHasMMX 0x00000001
	47	#define kHasSSE 0x00000002
	48	#define kHasSSE2 0x00000004
91447636	49	#define kHasSSE3 0x00000008
8f6c56a5	50	#define kCache32 0x00000010 // cache line size is 32 bytes
55e303ae A	51	#define kCache64 0x00000020
55e303ae A	52	#define kCache128 0x00000040
8f6c56a5	53	#define kFastThreadLocalStorage 0x00000080 // TLS ptr is kept in a user-mode-readable register
55e303ae	54
8f6c56a5 A	55	#define kUP 0x00008000 // set if (kNumCPUs == 1)
8f6c56a5 A	56	#define kNumCPUs 0x00FF0000 // number of CPUs (see _NumCPUs() below)
55e303ae	57
8f6c56a5	58	#define kNumCPUsShift 16 // see _NumCPUs() below
55e303ae	59
43866e37	60	#ifndef __ASSEMBLER__
91447636 A	61	#include <sys/cdefs.h>
	62
	63	__BEGIN_DECLS
	64	extern int _get_cpu_capabilities( void );
	65	__END_DECLS
55e303ae A	66
	67	inline static
	68	int _NumCPUs( void )
	69	{
	70	return (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift;
	71	}
	72
	73	#endif /* __ASSEMBLER__ */
	74
	75
	76	/*
	77	* The shared kernel/user "comm page(s)":
	78	*
8f6c56a5 A	79	* The last eight pages of every address space are reserved for the kernel/user
8f6c56a5 A	80	* "comm area". During system initialization, the kernel populates the comm page with
55e303ae A	81	* code customized for the particular processor and platform.
55e303ae A	82	*
8f6c56a5 A	83	* Because Mach VM cannot map the last page of an address space, the max length of
8f6c56a5 A	84	* the comm area is seven pages.
55e303ae A	85	*/
55e303ae A	86
8f6c56a5 A	87	#define _COMM_PAGE_AREA_LENGTH (19*4096)
	88	// reserved length of entire comm area
	89	#define _COMM_PAGE_BASE_ADDRESS (-20*4096)
	90	// VM_MAX_ADDRESS-_COMM_PAGE_AREA_LENGTH
	91	#define _COMM_PAGE_START_ADDRESS (-16*4096)
	92	// VM_MAX_ADDRESS-_COMM_PAGE_AREA_LENGTH
	93	#define _COMM_PAGE_SIGS_OFFSET 0x8000
	94	// offset to routine signatures
55e303ae A	95
55e303ae A	96	/* data in the comm page */
43866e37	97
8f6c56a5 A	98	#define _COMM_PAGE_SIGNATURE (_COMM_PAGE_START_ADDRESS+0x000) // first few bytes are a signature
	99	#define _COMM_PAGE_VERSION (_COMM_PAGE_START_ADDRESS+0x01E) // 16-bit version#
	100	#define _COMM_PAGE_THIS_VERSION 3 // version of the commarea format
55e303ae	101
8f6c56a5 A	102	#define _COMM_PAGE_CPU_CAPABILITIES (_COMM_PAGE_START_ADDRESS+0x020) // uint32_t _cpu_capabilities
	103	#define _COMM_PAGE_NCPUS (_COMM_PAGE_START_ADDRESS+0x021) // uint8_t number of configured CPUs
	104	#define _COMM_PAGE_VECTOR_FLAVOR (_COMM_PAGE_START_ADDRESS+0x024) // uint8_t SSE/SSE2/SSE3
	105	#define _COMM_PAGE_CACHE_LINESIZE (_COMM_PAGE_START_ADDRESS+0x026) // uint16_t cache line size
55e303ae	106
8f6c56a5	107	#define _COMM_PAGE_UNUSED1 (_COMM_PAGE_START_ADDRESS+0x030) // 16 unused bytes
8ad349bb	108
8f6c56a5 A	109	#define _COMM_PAGE_2_TO_52 (_COMM_PAGE_START_ADDRESS+0x040) // double float constant 2**52
8f6c56a5 A	110	#define _COMM_PAGE_10_TO_6 (_COMM_PAGE_START_ADDRESS+0x048) // double float constant 10**6
55e303ae	111
8f6c56a5 A	112	#define _COMM_PAGE_UNUSED2 (_COMM_PAGE_START_ADDRESS+0x050) // 16 unused bytes
	113
	114	#define _COMM_PAGE_TIMEBASE (_COMM_PAGE_START_ADDRESS+0x060) // used by gettimeofday()
	115	#define _COMM_PAGE_TIMESTAMP (_COMM_PAGE_START_ADDRESS+0x068) // used by gettimeofday()
	116	#define _COMM_PAGE_SEC_PER_TICK (_COMM_PAGE_START_ADDRESS+0x070) // used by gettimeofday()
8ad349bb	117
8f6c56a5 A	118	/* jump table (bla to this address, which may be a branch to the actual code somewhere else) */
8f6c56a5 A	119	/* When new jump table entries are added, corresponding symbols should be added below */
5d5c5d0d	120
8f6c56a5 A	121	#define _COMM_PAGE_COMPARE_AND_SWAP32 (_COMM_PAGE_START_ADDRESS+0x080) // compare-and-swap word
	122	#define _COMM_PAGE_COMPARE_AND_SWAP64 (_COMM_PAGE_START_ADDRESS+0x0c0) // compare-and-swap doubleword
	123	#define _COMM_PAGE_ENQUEUE (_COMM_PAGE_START_ADDRESS+0x100) // enqueue
	124	#define _COMM_PAGE_DEQUEUE (_COMM_PAGE_START_ADDRESS+0x140) // dequeue
	125	#define _COMM_PAGE_MEMORY_BARRIER (_COMM_PAGE_START_ADDRESS+0x180) // add atomic doubleword
	126	#define _COMM_PAGE_ATOMIC_ADD32 (_COMM_PAGE_START_ADDRESS+0x1a0) // add atomic word
	127	#define _COMM_PAGE_ATOMIC_ADD64 (_COMM_PAGE_START_ADDRESS+0x1c0) // add atomic doubleword
5d5c5d0d	128
8f6c56a5 A	129	#define _COMM_PAGE_NANOTIME_INFO (_COMM_PAGE_START_ADDRESS+0x1e0) // 32 bytes used by nanotime()
	130
	131	#define _COMM_PAGE_ABSOLUTE_TIME (_COMM_PAGE_START_ADDRESS+0x200) // mach_absolute_time()
	132	#define _COMM_PAGE_SPINLOCK_TRY (_COMM_PAGE_START_ADDRESS+0x220) // spinlock_try()
	133	#define _COMM_PAGE_SPINLOCK_LOCK (_COMM_PAGE_START_ADDRESS+0x260) // spinlock_lock()
	134	#define _COMM_PAGE_SPINLOCK_UNLOCK (_COMM_PAGE_START_ADDRESS+0x2a0) // spinlock_unlock()
	135	#define _COMM_PAGE_PTHREAD_GETSPECIFIC (_COMM_PAGE_START_ADDRESS+0x2c0) // pthread_getspecific()
	136	#define _COMM_PAGE_GETTIMEOFDAY (_COMM_PAGE_START_ADDRESS+0x2e0) // used by gettimeofday()
	137	#define _COMM_PAGE_FLUSH_DCACHE (_COMM_PAGE_START_ADDRESS+0x4e0) // sys_dcache_flush()
	138	#define _COMM_PAGE_FLUSH_ICACHE (_COMM_PAGE_START_ADDRESS+0x520) // sys_icache_invalidate()
	139	#define _COMM_PAGE_PTHREAD_SELF (_COMM_PAGE_START_ADDRESS+0x580) // pthread_self()
	140	#define _COMM_PAGE_UNUSED4 (_COMM_PAGE_START_ADDRESS+0x5a0) // 32 unused bytes
	141	#define _COMM_PAGE_RELINQUISH (_COMM_PAGE_START_ADDRESS+0x5c0) // used by spinlocks
	142
	143	#define _COMM_PAGE_BTS (_COMM_PAGE_START_ADDRESS+0x5e0) // bit test-and-set
	144	#define _COMM_PAGE_BTC (_COMM_PAGE_START_ADDRESS+0x5f0) // bit test-and-clear
	145
	146	#define _COMM_PAGE_BZERO (_COMM_PAGE_START_ADDRESS+0x600) // bzero()
	147	#define _COMM_PAGE_BCOPY (_COMM_PAGE_START_ADDRESS+0x780) // bcopy()
	148	#define _COMM_PAGE_MEMCPY (_COMM_PAGE_START_ADDRESS+0x7a0) // memcpy()
	149	#define _COMM_PAGE_MEMMOVE (_COMM_PAGE_START_ADDRESS+0x7a0) // memmove()
43866e37	150
8f6c56a5	151	#define _COMM_PAGE_NANOTIME (_COMM_PAGE_START_ADDRESS+0xF80) // nanotime()
55e303ae	152
8f6c56a5	153	#define _COMM_PAGE_BIGCOPY (_COMM_PAGE_START_ADDRESS+0x1000)// very-long-operand copies
55e303ae	154
8f6c56a5	155	#define _COMM_PAGE_END (_COMM_PAGE_START_ADDRESS+0x1600)// end of common page
55e303ae A	156
	157	#ifdef __ASSEMBLER__
	158	#ifdef __COMM_PAGE_SYMBOLS
	159
	160	#define CREATE_COMM_PAGE_SYMBOL(symbol_name, symbol_address) \
8f6c56a5	161	.org (symbol_address - (_COMM_PAGE_BASE_ADDRESS & 0xFFFFE000)) ;\
55e303ae A	162	symbol_name: nop
55e303ae A	163
8f6c56a5	164	.text // Required to make a well behaved symbol file
55e303ae	165
91447636 A	166	CREATE_COMM_PAGE_SYMBOL(___compare_and_swap32, _COMM_PAGE_COMPARE_AND_SWAP32)
	167	CREATE_COMM_PAGE_SYMBOL(___compare_and_swap64, _COMM_PAGE_COMPARE_AND_SWAP64)
	168	CREATE_COMM_PAGE_SYMBOL(___atomic_enqueue, _COMM_PAGE_ENQUEUE)
	169	CREATE_COMM_PAGE_SYMBOL(___atomic_dequeue, _COMM_PAGE_DEQUEUE)
	170	CREATE_COMM_PAGE_SYMBOL(___memory_barrier, _COMM_PAGE_MEMORY_BARRIER)
	171	CREATE_COMM_PAGE_SYMBOL(___atomic_add32, _COMM_PAGE_ATOMIC_ADD32)
	172	CREATE_COMM_PAGE_SYMBOL(___atomic_add64, _COMM_PAGE_ATOMIC_ADD64)
55e303ae A	173	CREATE_COMM_PAGE_SYMBOL(___mach_absolute_time, _COMM_PAGE_ABSOLUTE_TIME)
	174	CREATE_COMM_PAGE_SYMBOL(___spin_lock_try, _COMM_PAGE_SPINLOCK_TRY)
	175	CREATE_COMM_PAGE_SYMBOL(___spin_lock, _COMM_PAGE_SPINLOCK_LOCK)
	176	CREATE_COMM_PAGE_SYMBOL(___spin_unlock, _COMM_PAGE_SPINLOCK_UNLOCK)
	177	CREATE_COMM_PAGE_SYMBOL(___pthread_getspecific, _COMM_PAGE_PTHREAD_GETSPECIFIC)
	178	CREATE_COMM_PAGE_SYMBOL(___gettimeofday, _COMM_PAGE_GETTIMEOFDAY)
	179	CREATE_COMM_PAGE_SYMBOL(___sys_dcache_flush, _COMM_PAGE_FLUSH_DCACHE)
	180	CREATE_COMM_PAGE_SYMBOL(___sys_icache_invalidate, _COMM_PAGE_FLUSH_ICACHE)
	181	CREATE_COMM_PAGE_SYMBOL(___pthread_self, _COMM_PAGE_PTHREAD_SELF)
	182	CREATE_COMM_PAGE_SYMBOL(___spin_lock_relinquish, _COMM_PAGE_RELINQUISH)
91447636 A	183	CREATE_COMM_PAGE_SYMBOL(___bit_test_and_set, _COMM_PAGE_BTS)
91447636 A	184	CREATE_COMM_PAGE_SYMBOL(___bit_test_and_clear, _COMM_PAGE_BTC)
55e303ae A	185	CREATE_COMM_PAGE_SYMBOL(___bzero, _COMM_PAGE_BZERO)
	186	CREATE_COMM_PAGE_SYMBOL(___bcopy, _COMM_PAGE_BCOPY)
	187	CREATE_COMM_PAGE_SYMBOL(___memcpy, _COMM_PAGE_MEMCPY)
8f6c56a5 A	188	// CREATE_COMM_PAGE_SYMBOL(___memmove, _COMM_PAGE_MEMMOVE)
8f6c56a5 A	189	CREATE_COMM_PAGE_SYMBOL(___bigcopy, _COMM_PAGE_BIGCOPY)
91447636	190	CREATE_COMM_PAGE_SYMBOL(___nanotime, _COMM_PAGE_NANOTIME)
55e303ae A	191	CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END)
55e303ae A	192
8f6c56a5 A	193	.data // Required to make a well behaved symbol file
8f6c56a5 A	194	.long 0 // Required to make a well behaved symbol file
55e303ae A	195
	196	#endif /* __COMM_PAGE_SYMBOLS */
	197	#endif /* __ASSEMBLER__ */
43866e37	198
43866e37	199	#endif /* _I386_CPU_CAPABILITIES_H */
91447636	200	#endif /* PRIVATE */