X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/bd504ef0e0b883cdd7917b73b3574eb9ce669905..ea3f04195ba4a5034c9c8e9b726d4f7ce96f1832:/osfmk/i386/cpu_capabilities.h?ds=inline diff --git a/osfmk/i386/cpu_capabilities.h b/osfmk/i386/cpu_capabilities.h index b8d5027af..89f8fc52d 100644 --- a/osfmk/i386/cpu_capabilities.h +++ b/osfmk/i386/cpu_capabilities.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2003-2009 Apple Inc. All rights reserved. + * Copyright (c) 2003-2019 Apple 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 @@ -11,10 +11,10 @@ * 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, @@ -22,64 +22,82 @@ * 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 +#ifdef PRIVATE #ifndef _I386_CPU_CAPABILITIES_H #define _I386_CPU_CAPABILITIES_H -#ifndef __ASSEMBLER__ +#ifndef __ASSEMBLER__ #include #endif - + /* * 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 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 - - -#ifndef __ASSEMBLER__ +#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 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 +#define kHasAVX512F 0x0000004000000000ULL +#define kHasAVX512CD 0x0000008000000000ULL +#define kHasAVX512DQ 0x0000010000000000ULL +#define kHasAVX512BW 0x0000020000000000ULL +#define kHasAVX512IFMA 0x0000040000000000ULL +#define kHasAVX512VBMI 0x0000080000000000ULL +#define kHasAVX512VL 0x0000100000000000ULL +#define kHasVAES 0x0000200000000000ULL +#define kHasVPCLMULQDQ 0x0000400000000000ULL +#define kHasAVX512VNNI 0x0000800000000000ULL +#define kHasAVX512BITALG 0x0001000000000000ULL +#define kHasAVX512VPOPCNTDQ 0x0002000000000000ULL + + +#ifndef __ASSEMBLER__ #include +#include __BEGIN_DECLS extern uint64_t _get_cpu_capabilities( void ); __END_DECLS -inline static -int _NumCPUs( void ) +__inline static +int +_NumCPUs( void ) { return (int) (_get_cpu_capabilities() & kNumCPUs) >> kNumCPUsShift; } @@ -91,7 +109,7 @@ int _NumCPUs( void ) * 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 ) +#define _COMM_PAGE_32_TO_64( ADDRESS ) ( ADDRESS + _COMM_PAGE64_START_ADDRESS - _COMM_PAGE32_START_ADDRESS ) /* @@ -103,27 +121,27 @@ int _NumCPUs( void ) * * Because Mach VM cannot map the last page of an address space, we don't use it. */ - -#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) */ + +#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 */ +#define _COMM_PAGE64_BASE_ADDRESS ( 0x00007fffffe00000 ) /* base address of allocated memory */ #else /* __ASSEMBLER__ */ -#define _COMM_PAGE64_BASE_ADDRESS ( 0x00007fffffe00000ULL ) /* base address of allocated memory */ +#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 */ +#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 +#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 @@ -131,146 +149,162 @@ int _NumCPUs( void ) * 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 +#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 +#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 +#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 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 (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_UNUSED2 (_COMM_PAGE_START_ADDRESS+0x044) /* [0x44,0x50) 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_END (_COMM_PAGE_START_ADDRESS+0xfff) /* end of common page */ + +#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 (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_DTRACE_DOF_ENABLED (_COMM_PAGE_START_ADDRESS+0x04C) /* uint8_t 0 if userspace DOF disable, 1 if enabled */ +#define _COMM_PAGE_UNUSED2 (_COMM_PAGE_START_ADDRESS+0x04D) /* [0x4D,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() */ + +/* 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 */ + +/* Resume packed values to the next cacheline */ +#define _COMM_PAGE_DYLD_SYSTEM_FLAGS (_COMM_PAGE_START_ADDRESS+0x100) /* uint64_t export kern.dyld_system_flags to userspace */ + +#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 - - /* 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 _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 + +/* 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 */ +#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 +/* 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_TEXT_PREEMPT_OFFSET (0x5a0) /* called from withing pfz */ -#define _COMM_TEXT_BACKOFF_OFFSET (0x600) /* 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_PFZ_MUTEX_LOCK_OFFSET (0xd00) /* internal pthread_mutex_lock() */ -#define _COMM_TEXT_UNUSED_OFFSET (0xd80) /* end of routines in text page */ -#define _COMM_TEXT_PFZ_END_OFFSET (0xfff) /* offset for end of PFZ */ +#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_PREEMPT (_COMM_PAGE_TEXT_START+_COMM_TEXT_PREEMPT_OFFSET) -#define _COMM_PAGE_BACKOFF (_COMM_PAGE_TEXT_START+_COMM_TEXT_BACKOFF_OFFSET) +#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_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_PFZ_MUTEX_LOCK (_COMM_PAGE_TEXT_START+_COMM_TEXT_PFZ_MUTEX_LOCK_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 */ +#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 */ +#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_START_ADDRESS & 0xFFFFE000)) ;\ +#define CREATE_COMM_PAGE_SYMBOL(symbol_name, symbol_address) \ + .org (symbol_address - (_COMM_PAGE_START_ADDRESS & 0xFFFFE000)) ;\ 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(___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(___pfz_mutex_lock, _COMM_PAGE_PFZ_MUTEX_LOCK) - CREATE_COMM_PAGE_SYMBOL(___end_comm_page, _COMM_PAGE_END) +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__ */