xnu-792.6.56.tar.gz

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

diff --git a/osfmk/i386/cpu_capabilities.h b/osfmk/i386/cpu_capabilities.h
index cf5eaa44e70caeefea06cdc76a45ab68cb1e9db3..d6b380bec2b83f304fe4b53dcde448d7865376a8 100644 (file)
--- a/osfmk/i386/cpu_capabilities.h
+++ b/osfmk/i386/cpu_capabilities.h
@@ -1,10 +1,8 @@
 /*
 /*

- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_LICENSE_HEADER_START@
  * 

- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 

  * 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
  * 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


@@ -22,23 +20,15 @@
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
  * 
  * @APPLE_LICENSE_HEADER_END@
  */

+#ifdef PRIVATE

 
 #ifndef _I386_CPU_CAPABILITIES_H
 #define _I386_CPU_CAPABILITIES_H
 
 
 #ifndef _I386_CPU_CAPABILITIES_H
 #define _I386_CPU_CAPABILITIES_H
 

-/* Sadly, some clients of this interface misspell __APPLE_API_PRIVATE.
- * To avoid breaking them, we accept the incorrect _APPLE_API_PRIVATE.
- */
-#ifdef _APPLE_API_PRIVATE
-#ifndef __APPLE_API_PRIVATE
-#define        __APPLE_API_PRIVATE
-#endif /* __APPLE_API_PRIVATE */
-#endif /* _APPLE_API_PRIVATE */
+#ifndef        __ASSEMBLER__
+#include <stdint.h>
+#endif

  
  

-#ifndef __APPLE_API_PRIVATE
-#error cpu_capabilities.h is for Apple Internal use only
-#else  /* __APPLE_API_PRIVATE */
-

 /*
  * This is the authoritative way to determine from user mode what
  * implementation-specific processor features are available.
 /*
  * This is the authoritative way to determine from user mode what
  * implementation-specific processor features are available.


@@ -51,10 +41,11 @@
 #define        kHasMMX                         0x00000001
 #define        kHasSSE                         0x00000002
 #define        kHasSSE2                        0x00000004
 #define        kHasMMX                         0x00000001
 #define        kHasSSE                         0x00000002
 #define        kHasSSE2                        0x00000004

-#define        kHasPNI                         0x00000008  // Prescott New Instructions
+#define        kHasSSE3                        0x00000008

 #define        kCache32                        0x00000010      // cache line size is 32 bytes
 #define        kCache64                        0x00000020
 #define        kCache128                       0x00000040
 #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        kUP                             0x00008000      // set if (kNumCPUs == 1)
 #define        kNumCPUs                        0x00FF0000      // number of CPUs (see _NumCPUs() below)


@@ -62,8 +53,11 @@
 #define        kNumCPUsShift           16                      // see _NumCPUs() below
 
 #ifndef        __ASSEMBLER__
 #define        kNumCPUsShift           16                      // see _NumCPUs() below
 
 #ifndef        __ASSEMBLER__

- 
-extern uint32_t _get_cpu_capabilities( void );
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+extern int  _get_cpu_capabilities( void );
+__END_DECLS

 
 inline static
 int _NumCPUs( void )
 
 inline static
 int _NumCPUs( void )


@@ -85,61 +79,75 @@ int _NumCPUs( void )
  * the comm area is seven pages.
  */
  
  * the comm area is seven pages.
  */
  

-#define _COMM_PAGE_BASE_ADDRESS                        0xBFFF9000                                              // VM_MAX_ADDRESS - 7 * 4096 
-#define _COMM_PAGE_SIGS_OFFSET                 0x4000                                                  // offset to routine signatures
-#define        _COMM_PAGE_AREA_LENGTH                  ( 7*4096)                                               // reserved length of entire comm area
+#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 */
  
  
 /* data in the comm page */
  

-#define _COMM_PAGE_SIGNATURE                   (_COMM_PAGE_BASE_ADDRESS+0x000) // first few bytes are a signature
-#define _COMM_PAGE_VERSION                             (_COMM_PAGE_BASE_ADDRESS+0x01E) // 16-bit version#
-#define        _COMM_PAGE_THIS_VERSION                 1                                                               // this is version 1 of the commarea format
+#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_BASE_ADDRESS+0x020) // uint32_t _cpu_capabilities
-#define _COMM_PAGE_NCPUS                               (_COMM_PAGE_BASE_ADDRESS+0x021) // uint8_t number of configured CPUs
-#define _COMM_PAGE_VECTOR_FLAVOR               (_COMM_PAGE_BASE_ADDRESS+0x024) // uint8_t SSE/SSE2/PNI 
-#define _COMM_PAGE_CACHE_LINESIZE              (_COMM_PAGE_BASE_ADDRESS+0x026) // uint16_t cache line size
- 
-#define _COMM_PAGE_UNUSED1                             (_COMM_PAGE_BASE_ADDRESS+0x030) // 16 unused bytes
+#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_2_TO_52                             (_COMM_PAGE_BASE_ADDRESS+0x040) // double float constant 2**52
-#define _COMM_PAGE_10_TO_6                             (_COMM_PAGE_BASE_ADDRESS+0x048) // double float constant 10**6
+#define _COMM_PAGE_UNUSED1                             (_COMM_PAGE_START_ADDRESS+0x030)        // 16 unused bytes

  
  

-#define _COMM_PAGE_UNUSED2                             (_COMM_PAGE_BASE_ADDRESS+0x050) // 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_TIMEBASE                            (_COMM_PAGE_BASE_ADDRESS+0x060) // used by gettimeofday()
-#define _COMM_PAGE_TIMESTAMP                   (_COMM_PAGE_BASE_ADDRESS+0x068) // used by gettimeofday()
-#define _COMM_PAGE_SEC_PER_TICK                        (_COMM_PAGE_BASE_ADDRESS+0x070) // used by gettimeofday()
+#define _COMM_PAGE_UNUSED2                             (_COMM_PAGE_START_ADDRESS+0x050)        // 16 unused bytes

  
  

-#define _COMM_PAGE_UNUSED3                             (_COMM_PAGE_BASE_ADDRESS+0x080) // 384 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         */
  
  /* 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_BASE_ADDRESS+0x200) // mach_absolute_time()
-#define _COMM_PAGE_SPINLOCK_TRY                        (_COMM_PAGE_BASE_ADDRESS+0x220) // spinlock_try()
-#define _COMM_PAGE_SPINLOCK_LOCK               (_COMM_PAGE_BASE_ADDRESS+0x260) // spinlock_lock()
-#define _COMM_PAGE_SPINLOCK_UNLOCK             (_COMM_PAGE_BASE_ADDRESS+0x2a0) // spinlock_unlock()
-#define _COMM_PAGE_PTHREAD_GETSPECIFIC (_COMM_PAGE_BASE_ADDRESS+0x2c0) // pthread_getspecific()
-#define _COMM_PAGE_GETTIMEOFDAY                        (_COMM_PAGE_BASE_ADDRESS+0x2e0) // used by gettimeofday()
-#define _COMM_PAGE_FLUSH_DCACHE                        (_COMM_PAGE_BASE_ADDRESS+0x4e0) // sys_dcache_flush()
-#define _COMM_PAGE_FLUSH_ICACHE                        (_COMM_PAGE_BASE_ADDRESS+0x520) // sys_icache_invalidate()
-#define _COMM_PAGE_PTHREAD_SELF                        (_COMM_PAGE_BASE_ADDRESS+0x580) // pthread_self()
-#define _COMM_PAGE_UNUSED4                             (_COMM_PAGE_BASE_ADDRESS+0x5a0) // 32 unused bytes
-#define _COMM_PAGE_RELINQUISH                  (_COMM_PAGE_BASE_ADDRESS+0x5c0) // used by spinlocks
+#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_UNUSED5                              (_COMM_PAGE_BASE_ADDRESS+0x5e0) // 32 unused bytes
+#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_BASE_ADDRESS+0x600) // bzero()
-#define _COMM_PAGE_BCOPY                               (_COMM_PAGE_BASE_ADDRESS+0x780) // bcopy()
-#define        _COMM_PAGE_MEMCPY                               (_COMM_PAGE_BASE_ADDRESS+0x7a0) // memcpy()
-#define        _COMM_PAGE_MEMMOVE                              (_COMM_PAGE_BASE_ADDRESS+0x7a0) // memmove()
+#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_UNUSED6                              (_COMM_PAGE_BASE_ADDRESS+0xF80) // 128 unused bytes
+#define        _COMM_PAGE_NANOTIME                             (_COMM_PAGE_START_ADDRESS+0xF80) // nanotime()

 
 

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

 
 

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

 
 #ifdef __ASSEMBLER__
 #ifdef __COMM_PAGE_SYMBOLS
 
 #ifdef __ASSEMBLER__
 #ifdef __COMM_PAGE_SYMBOLS


@@ -150,6 +158,13 @@ symbol_name: nop
 
        .text           // Required to make a well behaved symbol file
 
 
        .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(___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)


@@ -160,11 +175,14 @@ symbol_name: nop
        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(___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(___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
        CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END)
 
        .data           // Required to make a well behaved symbol file


@@ -173,5 +191,5 @@ symbol_name: nop
 #endif /* __COMM_PAGE_SYMBOLS */
 #endif /* __ASSEMBLER__ */
 
 #endif /* __COMM_PAGE_SYMBOLS */
 #endif /* __ASSEMBLER__ */
 

-#endif /* __APPLE_API_PRIVATE */

 #endif /* _I386_CPU_CAPABILITIES_H */
 #endif /* _I386_CPU_CAPABILITIES_H */

+#endif /* PRIVATE */