cpu_capabilities.h [plain text]
#ifndef _I386_CPU_CAPABILITIES_H
#define _I386_CPU_CAPABILITIES_H
#ifdef _APPLE_API_PRIVATE
#ifndef __APPLE_API_PRIVATE
#define __APPLE_API_PRIVATE
#endif
#endif
#ifndef __APPLE_API_PRIVATE
#error cpu_capabilities.h is for Apple Internal use only
#else
#define kHasMMX 0x00000001
#define kHasSSE 0x00000002
#define kHasSSE2 0x00000004
#define kHasPNI 0x00000008 // Prescott New Instructions
#define kCache32 0x00000010 // cache line size is 32 bytes
#define kCache64 0x00000020
#define kCache128 0x00000040
#define kUP 0x00008000 // set if (kNumCPUs == 1)
#define kNumCPUs 0x00FF0000 // number of CPUs (see _NumCPUs() below)
#define kNumCPUsShift 16 // see _NumCPUs() below
#ifndef __ASSEMBLER__
extern uint32_t _get_cpu_capabilities( void );
inline static
int _NumCPUs( void )
{
return (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift;
}
#endif
#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_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_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_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_UNUSED2 (_COMM_PAGE_BASE_ADDRESS+0x050) // 16 unused bytes
#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_UNUSED3 (_COMM_PAGE_BASE_ADDRESS+0x080) // 384 unused bytes
#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_UNUSED5 (_COMM_PAGE_BASE_ADDRESS+0x5e0) // 32 unused bytes
#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_UNUSED6 (_COMM_PAGE_BASE_ADDRESS+0xF80) // 128 unused bytes
#define _COMM_PAGE_BIGCOPY (_COMM_PAGE_BASE_ADDRESS+0x1000)// very-long-operand copies
#define _COMM_PAGE_END (_COMM_PAGE_BASE_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
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(___bzero, _COMM_PAGE_BZERO)
CREATE_COMM_PAGE_SYMBOL(___bcopy, _COMM_PAGE_BCOPY)
CREATE_COMM_PAGE_SYMBOL(___memcpy, _COMM_PAGE_MEMCPY)
CREATE_COMM_PAGE_SYMBOL(___bigcopy, _COMM_PAGE_BIGCOPY)
CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END)
.data .long 0
#endif
#endif
#endif
#endif