X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..d26ffc64f583ab2d29df48f13518685602bc8832:/osfmk/i386/cpu_capabilities.h diff --git a/osfmk/i386/cpu_capabilities.h b/osfmk/i386/cpu_capabilities.h index 08d4f0bea..dff0ae545 100644 --- a/osfmk/i386/cpu_capabilities.h +++ b/osfmk/i386/cpu_capabilities.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2003-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2003-2009 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifdef PRIVATE @@ -29,10 +35,7 @@ #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: */ @@ -41,151 +44,258 @@ #define kHasSSE 0x00000002 #define kHasSSE2 0x00000004 #define kHasSSE3 0x00000008 -#define kCache32 0x00000010 // cache line size is 32 bytes +#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 kFastThreadLocalStorage 0x00000080 /* TLS ptr is kept in a user-mode-readable register */ +#define kHasSupplementalSSE3 0x00000100 +#define k64Bit 0x00000200 /* processor supports EM64T (not what mode you're running in) */ +#define kHasSSE4_1 0x00000400 +#define kHasSSE4_2 0x00000800 +#define kHasAES 0x00001000 +#define kInOrderPipeline 0x00002000 +#define kSlow 0x00004000 /* tsc < nanosecond */ +#define kUP 0x00008000 /* set if (kNumCPUs == 1) */ +#define kNumCPUs 0x00FF0000 /* number of CPUs (see _NumCPUs() below) */ +#define kNumCPUsShift 16 +#define kHasAVX1_0 0x01000000 +#define kHasRDRAND 0x02000000 +#define kHasF16C 0x04000000 +#define kHasENFSTRG 0x08000000 +#define kHasFMA 0x10000000 +#define kHasAVX2_0 0x20000000 +#define kHasBMI1 0x40000000 +#define kHasBMI2 0x80000000 +/* Extending into 64-bits from here: */ +#define kHasRTM 0x0000000100000000ULL +#define kHasHLE 0x0000000200000000ULL +#define kHasRDSEED 0x0000000800000000ULL +#define kHasADX 0x0000000400000000ULL +#define kHasMPX 0x0000001000000000ULL +#define kHasSGX 0x0000002000000000ULL +#if !defined(RC_HIDE_XNU_J137) +#define kHasAVX512F 0x0000004000000000ULL +#define kHasAVX512CD 0x0000008000000000ULL +#define kHasAVX512DQ 0x0000010000000000ULL +#define kHasAVX512BW 0x0000020000000000ULL +#define kHasAVX512IFMA 0x0000040000000000ULL +#define kHasAVX512VBMI 0x0000080000000000ULL +#define kHasAVX512VL 0x0000100000000000ULL +#endif /* not RC_HIDE_XNU_J137 */ -#define kNumCPUsShift 16 // see _NumCPUs() below #ifndef __ASSEMBLER__ #include +#include __BEGIN_DECLS -extern int _get_cpu_capabilities( void ); +extern uint64_t _get_cpu_capabilities( void ); __END_DECLS -inline static +__inline static int _NumCPUs( void ) { - return (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift; + return (int) (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift; } #endif /* __ASSEMBLER__ */ +/* The following macro is used to generate the 64-bit commpage address for a given + * routine, based on its 32-bit address. This is used in the kernel to compile + * the 64-bit commpage. Since the kernel can be a 32-bit object, cpu_capabilities.h + * only defines the 32-bit address. + */ +#define _COMM_PAGE_32_TO_64( ADDRESS ) ( ADDRESS + _COMM_PAGE64_START_ADDRESS - _COMM_PAGE32_START_ADDRESS ) + /* * 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 + * The last several pages of every address space are reserved for the kernel/user + * "comm area". During system initialization, the kernel populates the comm pages 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. + * Because Mach VM cannot map the last page of an address space, we don't use it. */ -#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 +#define _COMM_PAGE32_AREA_LENGTH ( 1 * 4096 ) /* reserved length of entire comm area */ +#define _COMM_PAGE32_BASE_ADDRESS ( 0xffff0000 ) /* base address of allocated memory */ +#define _COMM_PAGE32_START_ADDRESS ( _COMM_PAGE32_BASE_ADDRESS ) /* address traditional commpage code starts on */ +#define _COMM_PAGE32_AREA_USED ( 1 * 4096 ) /* this is the amt actually allocated */ +#define _COMM_PAGE32_SIGS_OFFSET 0x8000 /* offset to routine signatures */ + +#define _COMM_PAGE64_AREA_LENGTH ( 1 * 4096 ) /* reserved length of entire comm area (2MB) */ +#ifdef __ASSEMBLER__ +#define _COMM_PAGE64_BASE_ADDRESS ( 0x00007fffffe00000 ) /* base address of allocated memory */ +#else /* __ASSEMBLER__ */ +#define _COMM_PAGE64_BASE_ADDRESS ( 0x00007fffffe00000ULL ) /* base address of allocated memory */ +#endif /* __ASSEMBLER__ */ +#define _COMM_PAGE64_START_ADDRESS ( _COMM_PAGE64_BASE_ADDRESS ) /* address traditional commpage code starts on */ +#define _COMM_PAGE64_AREA_USED ( 1 * 4096 ) /* this is the amt actually populated */ + +/* no need for an Objective-C area on Intel */ +#define _COMM_PAGE32_OBJC_SIZE 0ULL +#define _COMM_PAGE32_OBJC_BASE 0ULL +#define _COMM_PAGE64_OBJC_SIZE 0ULL +#define _COMM_PAGE64_OBJC_BASE 0ULL + +#ifdef KERNEL_PRIVATE + +/* Inside the kernel, comm page addresses are absolute addresses + * assuming they are a part of the 32-bit commpage. They may + * be mapped somewhere else, especially for the 64-bit commpage. + */ +#define _COMM_PAGE_START_ADDRESS _COMM_PAGE32_START_ADDRESS +#define _COMM_PAGE_SIGS_OFFSET _COMM_PAGE32_SIGS_OFFSET + +#else /* !KERNEL_PRIVATE */ + +#if defined(__i386__) + +#define _COMM_PAGE_AREA_LENGTH _COMM_PAGE32_AREA_LENGTH +#define _COMM_PAGE_BASE_ADDRESS _COMM_PAGE32_BASE_ADDRESS +#define _COMM_PAGE_START_ADDRESS _COMM_PAGE32_START_ADDRESS +#define _COMM_PAGE_AREA_USED _COMM_PAGE32_AREA_USED +#define _COMM_PAGE_SIGS_OFFSET _COMM_PAGE32_SIGS_OFFSET + +#elif defined(__x86_64__) + +#define _COMM_PAGE_AREA_LENGTH _COMM_PAGE64_AREA_LENGTH +#define _COMM_PAGE_BASE_ADDRESS _COMM_PAGE64_BASE_ADDRESS +#define _COMM_PAGE_START_ADDRESS _COMM_PAGE64_START_ADDRESS +#define _COMM_PAGE_AREA_USED _COMM_PAGE64_AREA_USED + +#else +#error architecture not supported +#endif +#endif /* !KERNEL_PRIVATE */ + /* 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_SIGNATURE (_COMM_PAGE_START_ADDRESS+0x000) /* first 16 bytes are a signature */ +#define _COMM_PAGE_SIGNATURELEN (0x10) +#define _COMM_PAGE_CPU_CAPABILITIES64 (_COMM_PAGE_START_ADDRESS+0x010) /* uint64_t _cpu_capabilities */ +#define _COMM_PAGE_UNUSED (_COMM_PAGE_START_ADDRESS+0x018) /* 6 unused bytes */ +#define _COMM_PAGE_VERSION (_COMM_PAGE_START_ADDRESS+0x01E) /* 16-bit version# */ +#define _COMM_PAGE_THIS_VERSION 13 /* in ver 13, _COMM_PAGE_NT_SHIFT defaults to 0 (was 32) */ -#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_CPU_CAPABILITIES (_COMM_PAGE_START_ADDRESS+0x020) /* uint32_t _cpu_capabilities (retained for compatibility) */ +#define _COMM_PAGE_NCPUS (_COMM_PAGE_START_ADDRESS+0x022) /* uint8_t number of configured CPUs (hw.logicalcpu at boot time) */ +#define _COMM_PAGE_UNUSED0 (_COMM_PAGE_START_ADDRESS+0x024) /* 2 unused bytes, previouly reserved for expansion of cpu_capabilities */ +#define _COMM_PAGE_CACHE_LINESIZE (_COMM_PAGE_START_ADDRESS+0x026) /* uint16_t cache line size */ + +#define _COMM_PAGE_SCHED_GEN (_COMM_PAGE_START_ADDRESS+0x028) /* uint32_t scheduler generation number (count of pre-emptions) */ +#define _COMM_PAGE_MEMORY_PRESSURE (_COMM_PAGE_START_ADDRESS+0x02c) /* uint32_t copy of vm_memory_pressure */ +#define _COMM_PAGE_SPIN_COUNT (_COMM_PAGE_START_ADDRESS+0x030) /* uint32_t max spin count for mutex's */ + +#define _COMM_PAGE_ACTIVE_CPUS (_COMM_PAGE_START_ADDRESS+0x034) /* uint8_t number of active CPUs (hw.activecpu) */ +#define _COMM_PAGE_PHYSICAL_CPUS (_COMM_PAGE_START_ADDRESS+0x035) /* uint8_t number of physical CPUs (hw.physicalcpu_max) */ +#define _COMM_PAGE_LOGICAL_CPUS (_COMM_PAGE_START_ADDRESS+0x036) /* uint8_t number of logical CPUs (hw.logicalcpu_max) */ +#define _COMM_PAGE_UNUSED1 (_COMM_PAGE_START_ADDRESS+0x037) /* 1 unused bytes */ +#define _COMM_PAGE_MEMORY_SIZE (_COMM_PAGE_START_ADDRESS+0x038) /* uint64_t max memory size */ + +#define _COMM_PAGE_CPUFAMILY (_COMM_PAGE_START_ADDRESS+0x040) /* uint32_t hw.cpufamily, x86*/ +#define _COMM_PAGE_KDEBUG_ENABLE (_COMM_PAGE_START_ADDRESS+0x044) /* uint32_t export "kdebug_enable" to userspace */ +#define _COMM_PAGE_ATM_DIAGNOSTIC_CONFIG (_COMM_PAGE_START_ADDRESS+0x48) /* uint32_t export "atm_diagnostic_config" to userspace */ + +#define _COMM_PAGE_UNUSED2 (_COMM_PAGE_START_ADDRESS+0x04C) /* [0x4C,0x50) unused */ + +#define _COMM_PAGE_TIME_DATA_START (_COMM_PAGE_START_ADDRESS+0x050) /* base of offsets below (_NT_SCALE etc) */ +#define _COMM_PAGE_NT_TSC_BASE (_COMM_PAGE_START_ADDRESS+0x050) /* used by nanotime() */ +#define _COMM_PAGE_NT_SCALE (_COMM_PAGE_START_ADDRESS+0x058) /* used by nanotime() */ +#define _COMM_PAGE_NT_SHIFT (_COMM_PAGE_START_ADDRESS+0x05c) /* used by nanotime() */ +#define _COMM_PAGE_NT_NS_BASE (_COMM_PAGE_START_ADDRESS+0x060) /* used by nanotime() */ +#define _COMM_PAGE_NT_GENERATION (_COMM_PAGE_START_ADDRESS+0x068) /* used by nanotime() */ +#define _COMM_PAGE_GTOD_GENERATION (_COMM_PAGE_START_ADDRESS+0x06c) /* used by gettimeofday() */ +#define _COMM_PAGE_GTOD_NS_BASE (_COMM_PAGE_START_ADDRESS+0x070) /* used by gettimeofday() */ +#define _COMM_PAGE_GTOD_SEC_BASE (_COMM_PAGE_START_ADDRESS+0x078) /* used by gettimeofday() */ -#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 +/* NOTE: APPROX_TIME must be aligned to 64-byte cache line size: */ +#define _COMM_PAGE_APPROX_TIME (_COMM_PAGE_START_ADDRESS+0x080) /* used by mach_approximate_time() */ +#define _COMM_PAGE_APPROX_TIME_SUPPORTED (_COMM_PAGE_START_ADDRESS+0x088) /* used by mach_approximate_time() */ + +/* Align following entries to next cache line */ +#define _COMM_PAGE_CONT_TIMEBASE (_COMM_PAGE_START_ADDRESS+0x0C0) /* used by mach_continuous_time() */ +#define _COMM_PAGE_BOOTTIME_USEC (_COMM_PAGE_START_ADDRESS+0x0C8) /* uint64_t boottime */ +#define _COMM_PAGE_NEWTIMEOFDAY_DATA (_COMM_PAGE_START_ADDRESS+0x0D0) /* used by gettimeofday(). Currently, sizeof(new_commpage_timeofday_data_t) = 40*/ + +#define _COMM_PAGE_END (_COMM_PAGE_START_ADDRESS+0xfff) /* end of common page */ + +/* Warning: kernel commpage.h has a matching c typedef for the following. They must be kept in sync. */ +/* These offsets are from _COMM_PAGE_TIME_DATA_START */ + +#define _NT_TSC_BASE 0 +#define _NT_SCALE 8 +#define _NT_SHIFT 12 +#define _NT_NS_BASE 16 +#define _NT_GENERATION 24 +#define _GTOD_GENERATION 28 +#define _GTOD_NS_BASE 32 +#define _GTOD_SEC_BASE 40 -#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() + /* jump table (jmp 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 */ + /* New slots should be allocated with at least 16-byte alignment. Some like bcopy require */ + /* 32-byte alignment, and should be aligned as such in the assembly source before they are relocated */ +#define _COMM_PAGE_TEXT_START (_COMM_PAGE_START_ADDRESS+0x1000) +#define _COMM_PAGE32_TEXT_START (_COMM_PAGE32_BASE_ADDRESS+0x1000) /* start of text section */ +#define _COMM_PAGE64_TEXT_START (_COMM_PAGE64_BASE_ADDRESS+0x1000) +#define _COMM_PAGE_TEXT_AREA_USED ( 1 * 4096 ) +#define _COMM_PAGE_TEXT_AREA_LENGTH ( 1 * 4096 ) +#define _PFZ32_SLIDE_RANGE ( 14 ) /* pages between 0xfffff000 and _COMM_PAGE32_TEXT_START */ +#define _PFZ64_SLIDE_RANGE ( 510 ) /* pages between 0x00007ffffffff000 and _COMM_PAGE64_TEXT_START */ + +/* setup start offset in the commpage text region for each jump table entry + * the Comm Page Offset is shortened to _COMM_TEXT_[label]_OFFSET + */ -#define _COMM_PAGE_NANOTIME (_COMM_PAGE_START_ADDRESS+0xF80) // nanotime() +#define _COMM_TEXT_PREEMPT_OFFSET (0x5a0) /* called from withing pfz */ +#define _COMM_TEXT_BACKOFF_OFFSET (0x600) /* called from PFZ */ +#define _COMM_TEXT_RET_OFFSET (0x680) /* called from PFZ */ +#define _COMM_TEXT_PFZ_START_OFFSET (0xc00) /* offset for Preemption Free Zone */ +#define _COMM_TEXT_PFZ_ENQUEUE_OFFSET (0xc00) /* internal FIFO enqueue */ +#define _COMM_TEXT_PFZ_DEQUEUE_OFFSET (0xc80) /* internal FIFO dequeue */ +#define _COMM_TEXT_UNUSED_OFFSET (0xd00) /* end of routines in text page */ +#define _COMM_TEXT_PFZ_END_OFFSET (0xd00) /* offset for end of PFZ */ -#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 +#define _COMM_PAGE_PREEMPT (_COMM_PAGE_TEXT_START+_COMM_TEXT_PREEMPT_OFFSET) +#define _COMM_PAGE_BACKOFF (_COMM_PAGE_TEXT_START+_COMM_TEXT_BACKOFF_OFFSET) +#define _COMM_PAGE_RET (_COMM_PAGE_TEXT_START+_COMM_TEXT_RET_OFFSET) + +#define _COMM_PAGE_PFZ_START (_COMM_PAGE_TEXT_START+_COMM_PAGE_PFZ_START_OFFSET) + +#define _COMM_PAGE_PFZ_ENQUEUE (_COMM_PAGE_TEXT_START+_COMM_TEXT_PFZ_ENQUEUE_OFFSET) +#define _COMM_PAGE_PFZ_DEQUEUE (_COMM_PAGE_TEXT_START+_COMM_TEXT_PFZ_DEQUEUE_OFFSET) + +#define _COMM_PAGE_UNUSED6 (_COMM_PAGE_TEXT_START+_COMM_TEXT_UNUSED_OFFSET) +#define _COMM_PAGE_PFZ_END (_COMM_PAGE_TEXT_START+_COMM_TEXT_PFZ_END_OFFSET) +#define _COMM_PAGE_TEXT_END (_COMM_PAGE_TEXT_START+_COMM_TEXT_PFZ_END_OFFSET) /* end of common text page */ + +/* _COMM_PAGE_COMPARE_AND_SWAP{32,64}B are not used on x86 and are + * maintained here for source compatability. These will be removed at + * some point, so don't go relying on them. */ +#define _COMM_PAGE_COMPARE_AND_SWAP32B (_COMM_PAGE_START_ADDRESS+0xf80) /* compare-and-swap word w barrier */ +#define _COMM_PAGE_COMPARE_AND_SWAP64B (_COMM_PAGE_START_ADDRESS+0xfc0) /* compare-and-swap doubleword w barrier */ #ifdef __ASSEMBLER__ #ifdef __COMM_PAGE_SYMBOLS #define CREATE_COMM_PAGE_SYMBOL(symbol_name, symbol_address) \ - .org (symbol_address - (_COMM_PAGE_BASE_ADDRESS & 0xFFFFE000)) ;\ + .org (symbol_address - (_COMM_PAGE_START_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) + .text /* Required to make a well behaved symbol file */ + + CREATE_COMM_PAGE_SYMBOL(___preempt, _COMM_PAGE_PREEMPT) + CREATE_COMM_PAGE_SYMBOL(___backoff, _COMM_PAGE_BACKOFF) + CREATE_COMM_PAGE_SYMBOL(___pfz_enqueue, _COMM_PAGE_PFZ_ENQUEUE) + CREATE_COMM_PAGE_SYMBOL(___pfz_dequeue, _COMM_PAGE_PFZ_DEQUEUE) 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 + .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__ */