projects/ldc: druntime/src/compiler/ldc/util/cpuid.d annotate

annotate druntime/src/compiler/ldc/util/cpuid.d @ 1458:e0b2d67cfe7c

Added druntime (this should be removed once it works).

author	Robert Clipsham <robert@octarineparrot.com>
date	Tue, 02 Jun 2009 17:43:06 +0100
parents
children

rev	line source
1458 e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	1 /**
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	2 * Identify the characteristics of the host CPU, providing information
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	3 * about cache sizes and assembly optimisation hints.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	4 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	5 * Some of this information was extremely difficult to track down. Some of the
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	6 * documents below were found only in cached versions stored by search engines!
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	7 * This code relies on information found in:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	8
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	9 * - "Intel(R) 64 and IA-32 Architectures Software Developers Manual,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	10 * Volume 2A: Instruction Set Reference, A-M" (2007).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	11 * - "AMD CPUID Specification", Advanced Micro Devices, Rev 2.28 (2008).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	12 * - "AMD Processor Recognition Application Note For Processors Prior to AMD
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	13 * Family 0Fh Processors", Advanced Micro Devices, Rev 3.13 (2005).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	14 * - "AMD Geode(TM) GX Processors Data Book",
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	15 * Advanced Micro Devices, Publication ID 31505E, (2005).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	16 * - "AMD K6 Processor Code Optimisation", Advanced Micro Devices, Rev D (2000).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	17 * - "Application note 106: Software Customization for the 6x86 Family",
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	18 * Cyrix Corporation, Rev 1.5 (1998)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	19 * - http://ftp.intron.ac/pub/document/cpu/cpuid.htm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	20 * - "Geode(TM) GX1 Processor Series Low Power Integrated X86 Solution",
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	21 * National Semiconductor, (2002)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	22 * - "The VIA Isaiah Architecture", G. Glenn Henry, Centaur Technology, Inc (2008).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	23 * - http://www.sandpile.org/ia32/cpuid.htm
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	24 * - http://grafi.ii.pw.edu.pl/gbm/x86/cpuid.html
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	25 * - "What every programmer should know about memory",
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	26 * Ulrich Depper, Red Hat, Inc., (2007).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	27 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	28 * Bugs: Currently only works on x86 and Itanium CPUs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	29 * Many processors have bugs in their microcode for the CPUID instruction,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	30 * so sometimes the cache information may be incorrect.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	31 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	32 * Copyright: Copyright Don Clugston 2007 - 2009.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	33 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	34 * Authors: Don Clugston, Tomas Lindquist Olsen <tomas@famolsen.dk>
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	35 *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	36 * Copyright Don Clugston 2007 - 2009.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	37 * Distributed under the Boost Software License, Version 1.0.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	38 * (See accompanying file LICENSE_1_0.txt or copy at
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	39 * http://www.boost.org/LICENSE_1_0.txt)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	40 */
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	41 module rt.util.cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	42
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	43 // If optimizing for a particular processor, it is generally better
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	44 // to identify based on features rather than model. NOTE: Normally
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	45 // it's only worthwhile to optimise for the latest Intel and AMD CPU,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	46 // with a backup for other CPUs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	47 // Pentium -- preferPentium1()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	48 // PMMX -- + mmx()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	49 // PPro -- default
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	50 // PII -- + mmx()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	51 // PIII -- + mmx() + sse()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	52 // PentiumM -- + mmx() + sse() + sse2()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	53 // Pentium4 -- preferPentium4()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	54 // PentiumD -- + isX86_64()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	55 // Core2 -- default + isX86_64()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	56 // AMD K5 -- preferPentium1()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	57 // AMD K6 -- + mmx()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	58 // AMD K6-II -- + mmx() + 3dnow()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	59 // AMD K7 -- preferAthlon()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	60 // AMD K8 -- + sse2()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	61 // AMD K10 -- + isX86_64()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	62 // Cyrix 6x86 -- preferPentium1()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	63 // 6x86MX -- + mmx()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	64
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	65 public:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	66
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	67 /// Cache size and behaviour
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	68 struct CacheInfo
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	69 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	70 /// Size of the cache, in kilobytes, per CPU.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	71 /// For L1 unified (data + code) caches, this size is half the physical size.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	72 /// (we don't halve it for larger sizes, since normally
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	73 /// data size is much greater than code size for critical loops).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	74 uint size;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	75 /// Number of ways of associativity, eg:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	76 /// 1 = direct mapped
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	77 /// 2 = 2-way set associative
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	78 /// 3 = 3-way set associative
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	79 /// ubyte.max = fully associative
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	80 ubyte associativity;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	81 /// Number of bytes read into the cache when a cache miss occurs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	82 uint lineSize;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	83 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	84
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	85 public:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	86 /// Returns vendor string, for display purposes only.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	87 /// Do NOT use this to determine features!
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	88 /// Note that some CPUs have programmable vendorIDs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	89 char[] vendor() {return vendorID;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	90 /// Returns processor string, for display purposes only
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	91 char[] processor() {return processorName;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	92
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	93 /// The data caches. If there are fewer than 5 physical caches levels,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	94 /// the remaining levels are set to uint.max (== entire memory space)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	95 __gshared CacheInfo[5] datacache;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	96 /// Does it have an x87 FPU on-chip?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	97 bool x87onChip() {return (features&FPU_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	98 /// Is MMX supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	99 bool mmx() {return (features&MMX_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	100 /// Is SSE supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	101 bool sse() {return (features&SSE_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	102 /// Is SSE2 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	103 bool sse2() {return (features&SSE2_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	104 /// Is SSE3 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	105 bool sse3() {return (miscfeatures&SSE3_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	106 /// Is SSSE3 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	107 bool ssse3() {return (miscfeatures&SSSE3_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	108 /// Is SSE4.1 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	109 bool sse41() {return (miscfeatures&SSE41_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	110 /// Is SSE4.2 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	111 bool sse42() {return (miscfeatures&SSE42_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	112 /// Is SSE4a supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	113 bool sse4a() {return (amdmiscfeatures&SSE4A_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	114 /// Is SSE5 supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	115 bool sse5() {return (amdmiscfeatures&SSE5_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	116 /// Is AMD 3DNOW supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	117 bool amd3dnow() {return (amdfeatures&AMD_3DNOW_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	118 /// Is AMD 3DNOW Ext supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	119 bool amd3dnowExt() {return (amdfeatures&AMD_3DNOW_EXT_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	120 /// Are AMD extensions to MMX supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	121 bool amdMmx() {return (amdfeatures&AMD_MMX_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	122 /// Is fxsave/fxrstor supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	123 bool hasFxsr() {return (features&FXSR_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	124 /// Is cmov supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	125 bool hasCmov() {return (features&CMOV_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	126 /// Is rdtsc supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	127 bool hasRdtsc() {return (features&TIMESTAMP_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	128 /// Is cmpxchg8b supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	129 bool hasCmpxchg8b() {return (features&CMPXCHG8B_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	130 /// Is cmpxchg8b supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	131 bool hasCmpxchg16b() {return (miscfeatures&CMPXCHG16B_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	132 /// Is 3DNow prefetch supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	133 bool has3dnowPrefetch()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	134 {return (amdmiscfeatures&AMD_3DNOW_PREFETCH_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	135 /// Are LAHF and SAHF supported in 64-bit mode?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	136 bool hasLahfSahf() {return (amdmiscfeatures&LAHFSAHF_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	137 /// Is POPCNT supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	138 bool hasPopcnt() {return (miscfeatures&POPCNT_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	139 /// Is LZCNT supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	140 bool hasLzcnt() {return (amdmiscfeatures&LZCNT_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	141 /// Is this an Intel64 or AMD 64?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	142 bool isX86_64() {return (amdfeatures&AMD64_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	143
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	144 /// Is this an IA64 (Itanium) processor?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	145 bool isItanium() { return (features&IA64_BIT)!=0; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	146
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	147 /// Is hyperthreading supported?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	148 bool hyperThreading() { return maxThreads>maxCores; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	149 /// Returns number of threads per CPU
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	150 uint threadsPerCPU() {return maxThreads;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	151 /// Returns number of cores in CPU
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	152 uint coresPerCPU() {return maxCores;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	153
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	154 /// Optimisation hints for assembly code.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	155 /// For forward compatibility, the CPU is compared against different
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	156 /// microarchitectures. For 32-bit X86, comparisons are made against
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	157 /// the Intel PPro/PII/PIII/PM family.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	158 ///
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	159 /// The major 32-bit x86 microarchitecture 'dynasties' have been:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	160 /// (1) Intel P6 (PentiumPro, PII, PIII, PM, Core, Core2).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	161 /// (2) AMD Athlon (K7, K8, K10).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	162 /// (3) Intel NetBurst (Pentium 4, Pentium D).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	163 /// (4) In-order Pentium (Pentium1, PMMX)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	164 /// Other early CPUs (Nx586, AMD K5, K6, Centaur C3, Transmeta,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	165 /// Cyrix, Rise) were mostly in-order.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	166 /// Some new processors do not fit into the existing categories:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	167 /// Intel Atom 230/330 (family 6, model 0x1C) is an in-order core.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	168 /// Centaur Isiah = VIA Nano (family 6, model F) is an out-of-order core.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	169 ///
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	170 /// Within each dynasty, the optimisation techniques are largely
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	171 /// identical (eg, use instruction pairing for group 4). Major
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	172 /// instruction set improvements occur within each group.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	173
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	174 /// Does this CPU perform better on AMD K7 code than PentiumPro..Core2 code?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	175 bool preferAthlon() { return probablyAMD && family >=6; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	176 /// Does this CPU perform better on Pentium4 code than PentiumPro..Core2 code?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	177 bool preferPentium4() { return probablyIntel && family == 0xF; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	178 /// Does this CPU perform better on Pentium I code than Pentium Pro code?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	179 bool preferPentium1() { return family < 6 \|\| (family==6 && model < 0xF && !probablyIntel); }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	180
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	181 __gshared:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	182 public:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	183 /// Processor type (vendor-dependent).
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	184 /// This should be visible ONLY for display purposes.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	185 uint stepping, model, family;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	186 uint numCacheLevels = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	187 private:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	188 bool probablyIntel; // true = _probably_ an Intel processor, might be faking
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	189 bool probablyAMD; // true = _probably_ an AMD processor
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	190 char [12] vendorID;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	191 char [] processorName;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	192 char [48] processorNameBuffer;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	193 uint features = 0; // mmx, sse, sse2, hyperthreading, etc
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	194 uint miscfeatures = 0; // sse3, etc.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	195 uint amdfeatures = 0; // 3DNow!, mmxext, etc
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	196 uint amdmiscfeatures = 0; // sse4a, sse5, svm, etc
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	197 uint maxCores = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	198 uint maxThreads = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	199 // Note that this may indicate multi-core rather than hyperthreading.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	200 bool hyperThreadingBit() { return (features&HTT_BIT)!=0;}
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	201
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	202 // feature flags CPUID1_EDX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	203 enum : uint
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	204 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	205 FPU_BIT = 1,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	206 TIMESTAMP_BIT = 1<<4, // rdtsc
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	207 MDSR_BIT = 1<<5, // RDMSR/WRMSR
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	208 CMPXCHG8B_BIT = 1<<8,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	209 CMOV_BIT = 1<<15,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	210 MMX_BIT = 1<<23,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	211 FXSR_BIT = 1<<24,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	212 SSE_BIT = 1<<25,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	213 SSE2_BIT = 1<<26,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	214 HTT_BIT = 1<<28,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	215 IA64_BIT = 1<<30
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	216 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	217 // feature flags misc CPUID1_ECX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	218 enum : uint
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	219 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	220 SSE3_BIT = 1,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	221 PCLMULQDQ_BIT = 1<<1, // from AVX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	222 MWAIT_BIT = 1<<3,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	223 SSSE3_BIT = 1<<9,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	224 FMA_BIT = 1<<12, // from AVX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	225 CMPXCHG16B_BIT = 1<<13,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	226 SSE41_BIT = 1<<19,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	227 SSE42_BIT = 1<<20,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	228 POPCNT_BIT = 1<<23,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	229 AES_BIT = 1<<25, // AES instructions from AVX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	230 OSXSAVE_BIT = 1<<27, // Used for AVX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	231 AVX_BIT = 1<<28
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	232 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	233 /+
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	234 version(X86_64) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	235 bool hasAVXinHardware() {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	236 // This only indicates hardware support, not OS support.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	237 return (miscfeatures&AVX_BIT) && (miscfeatures&OSXSAVE_BIT);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	238 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	239 // Is AVX supported (in both hardware & OS)?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	240 bool Avx() {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	241 if (!hasAVXinHardware()) return false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	242 // Check for OS support
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	243 uint xfeatures;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	244 asm {mov ECX, 0; xgetbv; mov xfeatures, EAX; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	245 return (xfeatures&0x6)==6;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	246 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	247 bool hasAvxFma() {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	248 if (!AVX()) return false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	249 return (features&FMA_BIT)!=0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	250 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	251 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	252 +/
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	253 // AMD feature flags CPUID80000001_EDX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	254 enum : uint
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	255 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	256 AMD_MMX_BIT = 1<<22,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	257 // FXR_OR_CYRIXMMX_BIT = 1<<24, // Cyrix/NS: 6x86MMX instructions.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	258 FFXSR_BIT = 1<<25,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	259 PAGE1GB_BIT = 1<<26, // support for 1GB pages
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	260 RDTSCP_BIT = 1<<27,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	261 AMD64_BIT = 1<<29,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	262 AMD_3DNOW_EXT_BIT = 1<<30,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	263 AMD_3DNOW_BIT = 1<<31
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	264 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	265 // AMD misc feature flags CPUID80000001_ECX
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	266 enum : uint
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	267 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	268 LAHFSAHF_BIT = 1,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	269 LZCNT_BIT = 1<<5,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	270 SSE4A_BIT = 1<<6,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	271 AMD_3DNOW_PREFETCH_BIT = 1<<8,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	272 SSE5_BIT = 1<<11
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	273 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	274
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	275 version(GNU){
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	276 // GDC is a filthy liar. It can't actually do inline asm.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	277 } else version(D_InlineAsm_X86) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	278 version = Really_D_InlineAsm_X86;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	279 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	280
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	281 version(Really_D_InlineAsm_X86) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	282 // Note that this code will also work for Itanium in x86 mode.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	283
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	284 shared uint max_cpuid, max_extended_cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	285
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	286 // CPUID2: "cache and tlb information"
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	287 void getcacheinfoCPUID2()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	288 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	289 // We are only interested in the data caches
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	290 void decipherCpuid2(ubyte x) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	291 if (x==0) return;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	292 // Values from http://www.sandpile.org/ia32/cpuid.htm.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	293 // Includes Itanium and non-Intel CPUs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	294 //
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	295 immutable ubyte [47] ids = [
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	296 0x0A, 0x0C, 0x2C, 0x60, 0x0E, 0x66, 0x67, 0x68,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	297 // level 2 cache
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	298 0x41, 0x42, 0x43, 0x44, 0x45, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7F,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	299 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x49, 0x4E,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	300 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x48, 0x80, 0x81,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	301 // level 3 cache
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	302 0x22, 0x23, 0x25, 0x29, 0x46, 0x47, 0x4A, 0x4B, 0x4C, 0x4D
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	303 ];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	304 immutable uint [47] sizes = [
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	305 8, 16, 32, 16, 24, 8, 16, 32,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	306 128, 256, 512, 1024, 2048, 1024, 128, 256, 512, 1024, 2048, 512,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	307 256, 512, 1024, 2048, 512, 1024, 4096, 6*1024,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	308 128, 192, 128, 256, 384, 512, 3072, 512, 128,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	309 512, 1024, 2048, 4096, 4096, 8192, 61024, 8192, 121024, 16*1024
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	310 ];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	311 // CPUBUG: Pentium M reports 0x2C but tests show it is only 4-way associative
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	312 immutable ubyte [47] ways = [
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	313 2, 4, 8, 8, 6, 4, 4, 4,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	314 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 2,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	315 8, 8, 8, 8, 4, 8, 16, 24,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	316 4, 6, 2, 4, 6, 4, 12, 8, 8,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	317 4, 8, 8, 8, 4, 8, 12, 16, 12, 16
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	318 ];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	319 enum { FIRSTDATA2 = 8, FIRSTDATA3 = 28+9 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	320 for (int i=0; i< ids.length; ++i) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	321 if (x==ids[i]) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	322 int level = i< FIRSTDATA2 ? 0: i<FIRSTDATA3 ? 1 : 2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	323 if (x==0x49 && family==0xF && model==0x6) level=2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	324 datacache[level].size=sizes[i];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	325 datacache[level].associativity=ways[i];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	326 if (level == 3 \|\| x==0x2C \|\| (x>=0x48 && x<=0x80)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	327 \|\| x==0x86 \|\| x==0x87
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	328 \|\| (x>=0x66 && x<=0x68) \|\| (x>=0x39 && x<=0x3E)){
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	329 datacache[level].lineSize = 64;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	330 } else datacache[level].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	331 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	332 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	333 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	334
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	335 uint[4] a;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	336 bool firstTime = true;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	337 // On a multi-core system, this could theoretically fail, but it's only used
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	338 // for old single-core CPUs.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	339 uint numinfos = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	340 do {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	341 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	342 mov EAX, 2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	343 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	344 mov a, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	345 mov a+4, EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	346 mov a+8, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	347 mov a+12, EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	348 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	349 if (firstTime) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	350 if (a[0]==0x0000_7001 && a[3]==0x80 && a[1]==0 && a[2]==0) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	351 // Cyrix MediaGX MMXEnhanced returns: EAX= 00007001, EDX=00000080.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	352 // These are NOT standard Intel values
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	353 // (TLB = 32 entry, 4 way associative, 4K pages)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	354 // (L1 cache = 16K, 4way, linesize16)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	355 datacache[0].size=8;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	356 datacache[0].associativity=4;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	357 datacache[0].lineSize=16;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	358 return;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	359 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	360 // lsb of a is how many times to loop.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	361 numinfos = a[0] & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	362 // and otherwise it should be ignored
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	363 a[0] &= 0xFFFF_FF00;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	364 firstTime = false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	365 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	366 for (int c=0; c<4;++c) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	367 // high bit set == no info.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	368 if (a[c] & 0x8000_0000) continue;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	369 decipherCpuid2(cast(ubyte)(a[c] & 0xFF));
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	370 decipherCpuid2(cast(ubyte)((a[c]>>8) & 0xFF));
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	371 decipherCpuid2(cast(ubyte)((a[c]>>16) & 0xFF));
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	372 decipherCpuid2(cast(ubyte)((a[c]>>24) & 0xFF));
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	373 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	374 } while (--numinfos);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	375 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	376
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	377 // CPUID4: "Deterministic cache parameters" leaf
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	378 void getcacheinfoCPUID4()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	379 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	380 int cachenum = 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	381 for(;;) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	382 uint a, b, number_of_sets;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	383 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	384 mov EAX, 4;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	385 mov ECX, cachenum;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	386 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	387 mov a, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	388 mov b, EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	389 mov number_of_sets, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	390 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	391 ++cachenum;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	392 if ((a&0x1F)==0) break; // no more caches
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	393 uint numthreads = ((a>>14) & 0xFFF) + 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	394 uint numcores = ((a>>26) & 0x3F) + 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	395 if (numcores > maxCores) maxCores = numcores;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	396 if ((a&0x1F)!=1 && ((a&0x1F)!=3)) continue; // we only want data & unified caches
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	397
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	398 ++number_of_sets;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	399 ubyte level = cast(ubyte)(((a>>5)&7)-1);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	400 if (level > datacache.length) continue; // ignore deep caches
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	401 datacache[level].associativity = a & 0x200 ? ubyte.max :cast(ubyte)((b>>22)+1);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	402 datacache[level].lineSize = (b & 0xFFF)+ 1; // system coherency line size
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	403 uint line_partitions = ((b >> 12)& 0x3FF) + 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	404 // Size = number of sets * associativity * cachelinesize * linepartitions
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	405 // and must convert to Kb, also dividing by the number of hyperthreads using this cache.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	406 ulong sz = (datacache[level].associativity< ubyte.max)? number_of_sets *
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	407 datacache[level].associativity : number_of_sets;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	408 datacache[level].size = cast(uint)(
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	409 (sz * datacache[level].lineSize * line_partitions ) / (numthreads *1024));
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	410 if (level == 0 && (a&0xF)==3) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	411 // Halve the size for unified L1 caches
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	412 datacache[level].size/=2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	413 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	414 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	415 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	416
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	417 // CPUID8000_0005 & 6
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	418 void getAMDcacheinfo()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	419 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	420 uint c5, c6, d6;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	421 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	422 mov EAX, 0x8000_0005; // L1 cache
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	423 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	424 // EAX has L1_TLB_4M.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	425 // EBX has L1_TLB_4K
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	426 // EDX has L1 instruction cache
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	427 mov c5, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	428 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	429
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	430 datacache[0].size = ( (c5>>24) & 0xFF);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	431 datacache[0].associativity = cast(ubyte)( (c5 >> 16) & 0xFF);
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	432 datacache[0].lineSize = c5 & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	433
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	434 if (max_extended_cpuid >= 0x8000_0006) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	435 // AMD K6-III or K6-2+ or later.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	436 ubyte numcores = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	437 if (max_extended_cpuid >=0x8000_0008) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	438 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	439 mov EAX, 0x8000_0008;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	440 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	441 mov numcores, CL;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	442 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	443 ++numcores;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	444 if (numcores>maxCores) maxCores = numcores;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	445 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	446 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	447 mov EAX, 0x8000_0006; // L2/L3 cache
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	448 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	449 mov c6, ECX; // L2 cache info
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	450 mov d6, EDX; // L3 cache info
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	451 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	452
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	453 immutable ubyte [] assocmap = [ 0, 1, 2, 0, 4, 0, 8, 0, 16, 0, 32, 48, 64, 96, 128, 0xFF ];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	454 datacache[1].size = (c6>>16) & 0xFFFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	455 datacache[1].associativity = assocmap[(c6>>12)&0xF];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	456 datacache[1].lineSize = c6 & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	457
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	458 // The L3 cache value is TOTAL, not per core.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	459 datacache[2].size = ((d6>>18)512)/numcores; // could be up to 2 this, -1.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	460 datacache[2].associativity = assocmap[(d6>>12)&0xF];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	461 datacache[2].lineSize = d6 & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	462 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	463 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	464
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	465
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	466 void cpuidX86()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	467 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	468 char * venptr = vendorID.ptr;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	469 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	470 mov EAX, 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	471 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	472 mov max_cpuid, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	473 mov EAX, venptr;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	474 mov [EAX], EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	475 mov [EAX + 4], EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	476 mov [EAX + 8], ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	477 mov EAX, 0x8000_0000;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	478 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	479 mov max_extended_cpuid, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	480 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	481
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	482 probablyIntel = vendorID == "GenuineIntel";
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	483 probablyAMD = vendorID == "AuthenticAMD";
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	484 uint a, b, c, d;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	485 uint apic = 0; // brand index, apic id
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	486 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	487 mov EAX, 1; // model, stepping
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	488 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	489 mov a, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	490 mov apic, EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	491 mov miscfeatures, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	492 mov features, EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	493 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	494 amdfeatures = 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	495 amdmiscfeatures = 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	496 if (max_extended_cpuid >= 0x8000_0001) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	497 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	498 mov EAX, 0x8000_0001;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	499 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	500 mov amdmiscfeatures, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	501 mov amdfeatures, EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	502 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	503 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	504 // Try to detect fraudulent vendorIDs
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	505 if (amd3dnow) probablyIntel = false;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	506
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	507 stepping = a & 0xF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	508 uint fbase = (a >> 8) & 0xF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	509 uint mbase = (a >> 4) & 0xF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	510 family = ((fbase == 0xF) \|\| (fbase == 0)) ? fbase + (a >> 20) & 0xFF : fbase;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	511 model = ((fbase == 0xF) \|\| (fbase == 6 && probablyIntel) ) ?
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	512 mbase + ((a >> 12) & 0xF0) : mbase;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	513
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	514 if (!probablyIntel && max_extended_cpuid >= 0x8000_0008) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	515 // determine max number of cores for AMD
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	516 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	517 mov EAX, 0x8000_0008;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	518 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	519 mov c, ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	520 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	521 uint apicsize = (c>>12) & 0xF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	522 if (apicsize == 0) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	523 // use legacy method
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	524 if (hyperThreadingBit) maxCores = c & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	525 else maxCores = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	526 } else {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	527 // maxcores = 2^ apicsize
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	528 maxCores = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	529 while (apicsize) { maxCores<<=1; --apicsize; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	530 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	531 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	532
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	533 if (max_extended_cpuid >= 0x8000_0004) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	534 char *procptr = processorNameBuffer.ptr;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	535 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	536 push ESI;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	537 mov ESI, procptr;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	538 mov EAX, 0x8000_0002;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	539 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	540 mov [ESI], EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	541 mov [ESI+4], EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	542 mov [ESI+8], ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	543 mov [ESI+12], EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	544 mov EAX, 0x8000_0003;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	545 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	546 mov [ESI+16], EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	547 mov [ESI+20], EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	548 mov [ESI+24], ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	549 mov [ESI+28], EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	550 mov EAX, 0x8000_0004;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	551 cpuid;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	552 mov [ESI+32], EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	553 mov [ESI+36], EBX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	554 mov [ESI+40], ECX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	555 mov [ESI+44], EDX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	556 pop ESI;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	557 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	558 // Intel P4 and PM pad at front with spaces.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	559 // Other CPUs pad at end with nulls.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	560 int start = 0, end = 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	561 while (processorNameBuffer[start] == ' ') { ++start; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	562 while (processorNameBuffer[$-end-1] == 0) { ++end; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	563 processorName = processorNameBuffer[start..$-end];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	564 } else {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	565 processorName[] = "Unknown CPU";
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	566 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	567 // Determine cache sizes
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	568
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	569 // Intel docs specify that they return 0 for 0x8000_0005.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	570 // AMD docs do not specify the behaviour for 0004 and 0002.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	571 // Centaur/VIA and most other manufacturers use the AMD method,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	572 // except Cyrix MediaGX MMX Enhanced uses their OWN form of CPUID2!
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	573 // NS Geode GX1 provides CyrixCPUID2 _and_ does the same wrong behaviour
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	574 // for CPUID80000005. But Geode GX uses the AMD method
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	575
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	576 // Deal with Geode GX1 - make it same as MediaGX MMX.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	577 if (max_extended_cpuid==0x8000_0005 && max_cpuid==2) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	578 max_extended_cpuid = 0x8000_0004;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	579 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	580 // Therefore, we try the AMD method unless it's an Intel chip.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	581 // If we still have no info, try the Intel methods.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	582 datacache[0].size = 0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	583 if (max_cpuid<2 \|\| !probablyIntel) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	584 if (max_extended_cpuid >= 0x8000_0005) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	585 getAMDcacheinfo();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	586 } else if (probablyAMD) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	587 // According to AMDProcRecognitionAppNote, this means CPU
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	588 // K5 model 0, or Am5x86 (model 4), or Am4x86DX4 (model 4)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	589 // Am5x86 has 16Kb 4-way unified data & code cache.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	590 datacache[0].size = 8;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	591 datacache[0].associativity = 4;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	592 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	593 } else {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	594 // Some obscure CPU.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	595 // Values for Cyrix 6x86MX (family 6, model 0)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	596 datacache[0].size = 64;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	597 datacache[0].associativity = 4;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	598 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	599 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	600 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	601 if ((datacache[0].size == 0) && max_cpuid>=4) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	602 getcacheinfoCPUID4();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	603 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	604 if ((datacache[0].size == 0) && max_cpuid>=2) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	605 getcacheinfoCPUID2();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	606 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	607 if (datacache[0].size == 0) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	608 // Pentium, PMMX, late model 486, or an obscure CPU
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	609 if (mmx) { // Pentium MMX. Also has 8kB code cache.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	610 datacache[0].size = 16;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	611 datacache[0].associativity = 4;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	612 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	613 } else { // Pentium 1 (which also has 8kB code cache)
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	614 // or 486.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	615 // Cyrix 6x86: 16, 4way, 32 linesize
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	616 datacache[0].size = 8;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	617 datacache[0].associativity = 2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	618 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	619 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	620 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	621 if (hyperThreadingBit) maxThreads = (apic>>>16) & 0xFF;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	622 else maxThreads = maxCores;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	623 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	624
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	625 // Return true if the cpuid instruction is supported.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	626 // BUG(WONTFIX): Returns false for Cyrix 6x86 and 6x86L. They will be treated as 486 machines.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	627 bool hasCPUID()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	628 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	629 uint flags;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	630 asm {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	631 pushfd;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	632 pop EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	633 mov flags, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	634 xor EAX, 0x0020_0000;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	635 push EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	636 popfd;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	637 pushfd;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	638 pop EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	639 xor flags, EAX;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	640 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	641 return (flags & 0x0020_0000) !=0;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	642 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	643
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	644 } else { // inline asm X86
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	645
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	646 bool hasCPUID() { return false; }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	647
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	648 void cpuidX86()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	649 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	650 datacache[0].size = 8;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	651 datacache[0].associativity = 2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	652 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	653 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	654 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	655
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	656 // TODO: Implement this function with OS support
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	657 void cpuidPPC()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	658 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	659 enum :int { PPC601, PPC603, PPC603E, PPC604,
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	660 PPC604E, PPC620, PPCG3, PPCG4, PPCG5 };
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	661
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	662 // TODO:
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	663 // asm { mfpvr; } returns the CPU version but unfortunately it can
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	664 // only be used in kernel mode. So OS support is required.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	665 int cputype = PPC603;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	666
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	667 // 601 has a 8KB combined data & code L1 cache.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	668 uint sizes[] = [4, 8, 16, 16, 32, 32, 32, 32, 64];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	669 ubyte ways[] = [8, 2, 4, 4, 4, 8, 8, 8, 8];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	670 uint L2size[]= [0, 0, 0, 0, 0, 0, 0, 256, 512];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	671 uint L3size[]= [0, 0, 0, 0, 0, 0, 0, 2048, 0];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	672
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	673 datacache[0].size = sizes[cputype];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	674 datacache[0].associativity = ways[cputype];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	675 datacache[0].lineSize = (cputype==PPCG5)? 128 :
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	676 (cputype == PPC620 \|\| cputype == PPCG3)? 64 : 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	677 datacache[1].size = L2size[cputype];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	678 datacache[2].size = L3size[cputype];
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	679 datacache[1].lineSize = datacache[0].lineSize;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	680 datacache[2].lineSize = datacache[0].lineSize;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	681 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	682
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	683 // TODO: Implement this function with OS support
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	684 void cpuidSparc()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	685 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	686 // UltaSparcIIi : L1 = 16, 2way. L2 = 512, 4 way.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	687 // UltraSparcIII : L1 = 64, 4way. L2= 4096 or 8192.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	688 // UltraSparcIIIi: L1 = 64, 4way. L2= 1024, 4 way
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	689 // UltraSparcIV : L1 = 64, 4way. L2 = 16*1024.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	690 // UltraSparcIV+ : L1 = 64, 4way. L2 = 2048, L3=32*1024.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	691 // Sparc64V : L1 = 128, 2way. L2 = 4096 4way.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	692 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	693
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	694
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	695 static this()
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	696 {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	697 if (hasCPUID()) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	698 cpuidX86();
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	699 } else {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	700 // it's a 386 or 486, or a Cyrix 6x86.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	701 //Probably still has an external cache.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	702 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	703 if (datacache[0].size==0) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	704 // Guess same as Pentium 1.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	705 datacache[0].size = 8;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	706 datacache[0].associativity = 2;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	707 datacache[0].lineSize = 32;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	708 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	709 numCacheLevels = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	710 // And now fill up all the unused levels with full memory space.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	711 for (int i=1; i< datacache.length; ++i) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	712 if (datacache[i].size==0) {
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	713 // Set all remaining levels of cache equal to full address space.
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	714 datacache[i].size = uint.max/1024;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	715 datacache[i].associativity = 1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	716 datacache[i].lineSize = datacache[i-1].lineSize;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	717 } else numCacheLevels = i+1;
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	718 }
e0b2d67cfe7c Added druntime (this should be removed once it works). Robert Clipsham <robert@octarineparrot.com> parents: diff changeset	719 }

Mercurial > projects > ldc

annotate druntime/src/compiler/ldc/util/cpuid.d @ 1458:e0b2d67cfe7c