• ARM architectures


    https://gitorious.org/freebsd/freebsd/raw/56c5165837bf08f50ca4a08c6b2da91f73852960:sys/arm/include/acle-compat.h

    /*
     * Copyright (c) 2014 ARM Ltd
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the company may not be used to endorse or promote
     *    products derived from this software without specific prior written
     *    permission.
     *
     * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
     * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
     * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef __ARM_ARCH
    
    /* ACLE standardises a set of pre-defines that describe the ARM architecture.
       These were mostly implemented in GCC around GCC-4.8; older versions
       have no, or only partial support.  To provide a level of backwards
       compatibility we try to work out what the definitions should be, given
       the older pre-defines that GCC did produce.  This isn't complete, but
       it should be enough for use by routines that depend on this header.  */
    
    /* No need to handle ARMv8, GCC had ACLE support before that.  */
    
    #define __ARM_ACLE 101
    
    # ifdef __ARM_ARCH_7__
    /* The common subset of ARMv7 in all profiles.  */
    #  define __ARM_ARCH 7
    #  define __ARM_ARCH_ISA_THUMB 2
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_LDREX 7
    #  define __ARM_FEATURE_UNALIGNED
    # endif
    
    # if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__)
    #  define __ARM_ARCH 7
    #  define __ARM_ARCH_ISA_THUMB 2
    #  define __ARM_ARCH_ISA_ARM
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_SIMD32
    #  define __ARM_FEATURE_DSP
    #  define __ARM_FEATURE_QBIT
    #  define __ARM_FEATURE_SAT
    #  define __ARM_FEATURE_LDREX 15
    #  define __ARM_FEATURE_UNALIGNED
    #  ifdef __ARM_ARCH_7A__
    #   define __ARM_ARCH_PROFILE 'A'
    #  else
    #   define __ARM_ARCH_PROFILE 'R'
    #  endif
    # endif
    
    # ifdef __ARM_ARCH_7EM__
    #  define __ARM_ARCH 7
    #  define __ARM_ARCH_ISA_THUMB 2
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_SIMD32
    #  define __ARM_FEATURE_DSP
    #  define __ARM_FEATURE_QBIT
    #  define __ARM_FEATURE_SAT
    #  define __ARM_FEATURE_LDREX 7
    #  define __ARM_FEATURE_UNALIGNED
    #  define __ARM_ARCH_PROFILE 'M'
    # endif
    
    # ifdef __ARM_ARCH_7M__
    #  define __ARM_ARCH 7
    #  define __ARM_ARCH_ISA_THUMB 2
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_QBIT
    #  define __ARM_FEATURE_SAT
    #  define __ARM_FEATURE_LDREX 7
    #  define __ARM_FEATURE_UNALIGNED
    #  define __ARM_ARCH_PROFILE 'M'
    # endif
    
    # ifdef __ARM_ARCH_6T2__
    #  define __ARM_ARCH 6
    #  define __ARM_ARCH_ISA_THUMB 2
    #  define __ARM_ARCH_ISA_ARM
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_SIMD32
    #  define __ARM_FEATURE_DSP
    #  define __ARM_FEATURE_QBIT
    #  define __ARM_FEATURE_SAT
    #  define __ARM_FEATURE_LDREX 4
    #  define __ARM_FEATURE_UNALIGNED
    # endif
    
    # ifdef __ARM_ARCH_6M__
    #  define __ARM_ARCH 6
    #  define __ARM_ARCH_ISA_THUMB 1
    #  define __ARM_ARCH_PROFILE 'M'
    # endif
    
    # if defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6J__) 
      || defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6Z__) 
      || defined (__ARM_ARCH_6ZK__)
    #  define __ARM_ARCH 6
    #  define __ARM_ARCH_ISA_THUMB 1
    #  define __ARM_ARCH_ISA_ARM
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_SIMD32
    #  define __ARM_FEATURE_DSP
    #  define __ARM_FEATURE_QBIT
    #  define __ARM_FEATURE_SAT
    #  define __ARM_FEATURE_UNALIGNED
    #  ifndef __thumb__
    #   if defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__)
    #    define __ARM_FEATURE_LDREX 15
    #   else
    #    define __ARM_FEATURE_LDREX 4
    #   endif
    #  endif
    # endif
    
    # if defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5E__)
    #  define __ARM_ARCH 5
    #  define __ARM_ARCH_ISA_ARM
    #  ifdef __ARM_ARCH_5TE__
    #   define __ARM_ARCH_ISA_THUMB 1
    #  endif
    #  define __ARM_FEATURE_CLZ
    #  define __ARM_FEATURE_DSP
    # endif
    
    # if defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5__)
    #  define __ARM_ARCH 5
    #  define __ARM_ARCH_ISA_ARM
    #  ifdef __ARM_ARCH_5TE__
    #   define __ARM_ARCH_ISA_THUMB 1
    #  endif
    #  define __ARM_FEATURE_CLZ
    # endif
    
    # ifdef __ARM_ARCH_4T__
    #  define __ARM_ARCH 4
    #  define __ARM_ARCH_ISA_ARM
    #  define __ARM_ARCH_ISA_THUMB 1
    # endif
    
    # ifdef __ARM_ARCH_4__
    #  define __ARM_ARCH 4
    #  define __ARM_ARCH_ISA_ARM
    # endif
    
    # if defined (__ARM_ARCH_3__) || defined (__ARM_ARCH_3M__)
    #  define __ARM_ARCH 3
    #  define __ARM_ARCH_ISA_ARM
    # endif
    
    # ifdef __ARM_ARCH_2__
    #  define __ARM_ARCH 2
    #  define __ARM_ARCH_ISA_ARM
    # endif
    
    # ifdef __ARMEB__
    #  define __ARM_BIG_ENDIAN
    # endif
    
    /* If we still don't know what the target architecture is, then we're
       probably not using GCC.  */
    # ifndef __ARM_ARCH
    #  error Unable to determine architecture version.
    # endif
    
    #endif /* __ARM_ARCH  */

    http://en.wikipedia.org/wiki/ARM_architecture

    ArchitectureBit
    width
    Cores designed by ARM HoldingsCores designed by third partiesCortex profileReferences
    ARMv1
    32/26
    ARM1      
    ARMv2
    32/26
    ARM2ARM3 Amber, STORM Open Soft Core[28]    
    ARMv3
    32
    ARM6ARM7      
    ARMv4
    32
    ARM8 StrongARM, FA526    
    ARMv4T
    32
    ARM7TDMIARM9TDMI      
    ARMv5
    32
    ARM7EJARM9EARM10E XScale, FA626TE, Feroceon, PJ1/Mohawk    
    ARMv6
    32
    ARM11      
    ARMv6-M
    32
    ARM Cortex-M0ARM Cortex-M0+ARM Cortex-M1   Microcontroller  
    ARMv7-M
    32
    ARM Cortex-M3  
    Microcontroller
     
    ARMv7E-M
    32
    ARM Cortex-M4  
    Microcontroller
     
    ARMv7-R
    32
    ARM Cortex-R4ARM Cortex-R5ARM Cortex-R7  
    Real-time
     
    ARMv7-A
    32
    ARM Cortex-A5ARM Cortex-A7ARM Cortex-A8ARM Cortex-A9ARM Cortex-A12ARM Cortex-A15ARM Cortex-A17 KraitScorpion, PJ4/Sheeva, Apple A6/A6X (Swift)
    Application
     
    ARMv8-A
    64/32
    ARM Cortex-A53ARM Cortex-A57[29] X-GeneDenverApple A7 (Cyclone), AMD K12
    Application
    [30][31]
    ARMv8-R
    32
    No announcements yet  
    Real-time
    [32][33]

    A list of vendors who implement ARM cores in their design (application specific standard products (ASSP), microprocessor and microcontrollers) is provided by ARM Holdings.[34]

     

    Designed by ARM[edit]

    ARM familyARM architectureARM coreFeatureCache (I / D),MMUTypical MIPS @MHz
    ARM1 ARMv1 ARM1 First implementation None  
    ARM2 ARMv2 ARM2 ARMv2 added the MUL (multiply) instruction None 4 MIPS @ 8 MHz
    0.33 DMIPS/MHz
    ARMv2a ARM250 Integrated MEMC (MMU), graphics and I/O processor. ARMv2a added the SWP and SWPB (swap) instructions None, MEMC1a 7 MIPS @ 12 MHz
    ARM3 ARMv2a ARM3 First integrated memory cache KB unified 12 MIPS @ 25 MHz
    0.50 DMIPS/MHz
    ARM6 ARMv3 ARM60 ARMv3 first to support 32-bit memory address space (previously 26-bit) None 10 MIPS @ 12 MHz
    ARM600 As ARM60, cache and coprocessor bus (for FPA10 floating-point unit) 4 KB unified 28 MIPS @ 33 MHz
    ARM610 As ARM60, cache, no coprocessor bus 4 KB unified 17 MIPS @ 20 MHz
    0.65 DMIPS/MHz
    ARM7 ARMv3 ARM700   8 KB unified 40 MHz
    ARM710 As ARM700, no coprocessor bus 8 KB unified 40 MHz
    ARM710a As ARM710 8 KB unified 40 MHz
    0.68 DMIPS/MHz
    ARM7TDMI ARMv4T ARM7TDMI(-S) 3-stage pipeline, Thumb, ARMv4 first to drop legacy ARM26-bit addressing None 15 MIPS @ 16.8 MHz
    63 DMIPS @ 70 MHz
    ARM710T As ARM7TDMI, cache 8 KB unified, MMU 36 MIPS @ 40 MHz
    ARM720T As ARM7TDMI, cache 8 KB unified, MMU with FCSE (Fast Context Switch Extension) 60 MIPS @ 59.8 MHz
    ARM740T As ARM7TDMI, cache MPU  
    ARM7EJ ARMv5TEJ ARM7EJ-S 5-stage pipeline, Thumb, Jazelle DBX, Enhanced DSP instructions None  
    ARM8 ARMv4 ARM810[4][5] 5-stage pipeline, static branch prediction, double-bandwidth memory 8 KB unified, MMU 84 MIPS @ 72 MHz
    1.16 DMIPS/MHz
    ARM9TDMI ARMv4T ARM9TDMI 5-stage pipeline, Thumb None  
    ARM920T As ARM9TDMI, cache 16 KB / 16 KB, MMU with FCSE (Fast Context Switch Extension)[6] 200 MIPS @ 180 MHz
    ARM922T As ARM9TDMI, caches 8 KB / 8 KB, MMU  
    ARM940T As ARM9TDMI, caches 4 KB / 4 KB, MPU  
    ARM9E ARMv5TE ARM946E-S Thumb, Enhanced DSP instructions, caches Variable, tightly coupled memories, MPU  
    ARM966E-S Thumb, Enhanced DSP instructions No cache, TCMs  
    ARM968E-S As ARM966E-S No cache, TCMs  
    ARMv5TEJ ARM926EJ-S Thumb, Jazelle DBX, Enhanced DSP instructions Variable, TCMs, MMU 220 MIPS @ 200 MHz
    ARMv5TE ARM996HS Clockless processor, as ARM966E-S No caches, TCMs, MPU  
    ARM10E ARMv5TE ARM1020E 6-stage pipeline, Thumb, Enhanced DSP instructions, (VFP) 32 KB / 32 KB, MMU  
    ARM1022E As ARM1020E 16 KB / 16 KB, MMU  
    ARMv5TEJ ARM1026EJ-S Thumb, Jazelle DBX, Enhanced DSP instructions, (VFP) Variable, MMU or MPU  
    ARM11 ARMv6 ARM1136J(F)-S[7] 8-stage pipeline, SIMD, Thumb, Jazelle DBX, (VFP), Enhanced DSP instructions Variable, MMU 740 @ 532–665 MHz (i.MX31 SoC), 400–528 MHz
    ARMv6T2 ARM1156T2(F)-S 8-stage pipeline, SIMD, Thumb-2, (VFP), Enhanced DSP instructions Variable, MPU  
    ARMv6Z ARM1176JZ(F)-S As ARM1136EJ(F)-S Variable, MMU + TrustZone 965 DMIPS @ 772 MHz, up to 2,600 DMIPS with four processors[8]
    ARMv6K ARM11 MPCore As ARM1136EJ(F)-S, 1–4 core SMP Variable, MMU  
    SecurCore ARMv6-M SC000     0.9 DMIPS/MHz
    ARMv4T SC100      
    ARMv7-M SC300     1.25 DMIPS/MHz
    Cortex-M ARMv6-M Cortex-M0[9] Microcontroller profile, Thumb + Thumb-2 subset (BL, MRS, MSR, ISB, DSB, DMB),[10] hardware multiply instruction (optional small), optional system timer, optional bit-banding memory Optional cache, no TCM, no MPU 0.84 DMIPS/MHz
    Cortex-M0+[11] Microcontroller profile, Thumb + Thumb-2 subset (BL, MRS, MSR, ISB, DSB, DMB),[10] hardware multiply instruction (optional small), optional system timer, optional bit-banding memory Optional cache, no TCM, optional MPU with 8 regions 0.93 DMIPS/MHz
    Cortex-M1[12] Microcontroller profile, Thumb + Thumb-2 subset (BL, MRS, MSR, ISB, DSB, DMB),[10] hardware multiply instruction (optional small), OS option adds SVC / banked stack pointer, optional system timer, no bit-banding memory Optional cache, 0-1024 KB I-TCM, 0-1024 KB D-TCM, no MPU 136 DMIPS @ 170 MHz,[13](0.8 DMIPS/MHz FPGA-dependent)[14]
    ARMv7-M Cortex-M3[15] Microcontroller profile, Thumb / Thumb-2, hardware multiply and divide instructions, optional bit-banding memory Optional cache, no TCM, optional MPU with 8 regions 1.25 DMIPS/MHz
    ARMv7E-M Cortex-M4[16] Microcontroller profile, Thumb / Thumb-2 / DSP / optional FPv4 single-precision FPU, hardware multiply and divide instructions, optional bit-banding memory Optional cache, no TCM, optional MPU with 8 regions 1.25 DMIPS/MHz
    Cortex-R ARMv7-R Cortex-R4[17] Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU, hardware multiply and optional divide instructions, optional parity & ECC for internal buses / cache / TCM, 8-stage pipeline dual-core running lockstepwith fault logic 0–64 KB / 0–64 KB, 0–2 of 0–8 MB TCM, opt MPU with 8/12 regions  
    Cortex-R5 (MPCore)[18] Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU and precision, hardware multiply and optional divide instructions, optional parity & ECC for internal buses / cache / TCM, 8-stage pipeline dual-core running lock-step with fault logic / optional as 2 independent cores, low-latency peripheral port (LLPP), accelerator coherency port (ACP)[19] 0–64 KB / 0–64 KB, 0–2 of 0–8 MB TCM, opt MPU with 12/16 regions  
    Cortex-R7 (MPCore)[20] Real-time profile, Thumb / Thumb-2 / DSP / optional VFPv3 FPU and precision, hardware multiply and optional divide instructions, optional parity & ECC for internal buses / cache / TCM, 11-stage pipeline dual-core running lock-step with fault logic / out-of-order execution / dynamic register renaming / optional as 2 independent cores, low-latency peripheral port (LLPP), ACP[19] 0–64 KB / 0–64 KB, ? of 0–128 KB TCM, opt MPU with 16 regions  
    Cortex-A ARMv7-A Cortex-A5[21] Application profile, ARM / Thumb / Thumb-2 / DSP / SIMD / Optional VFPv4-D16 FPU / Optional NEON / Jazelle RCT and DBX, 1–4 cores / optional MPCore, snoop control unit (SCU), generic interrupt controller (GIC), accelerator coherence port (ACP) 4-64 KB / 4-64 KB L1, MMU + TrustZone 1.57 DMIPS/MHz per core
    Cortex-A7 MPCore[22] Application profile, ARM / Thumb / Thumb-2 / DSP / VFPv4-D16 FPU / NEON / Jazelle RCT and DBX / Hardware virtualization, in-order execution, superscalar, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), ACP, architecture and feature set are identical to A15, 8-10 stage pipeline, low-power design[23] 32 KB / 32 KB L1, 0–4 MB L2, MMU + TrustZone 1.9 DMIPS/MHz per core
    Cortex-A8[24] Application profile, ARM / Thumb / Thumb-2 / VFPv3 FPU / NEON / Jazelle RCT and DAC, 13-stage superscalarpipeline 16-32 KB / 16–32 KB L1, 0–1 MB L2 opt ECC, MMU + TrustZone Up to 2000 (2.0 DMIPS/MHz in speed from 600 MHz to greater than 1 GHz)
    Cortex-A9 MPCore[25] Application profile, ARM / Thumb / Thumb-2 / DSP / Optional VFPv3 FPU / Optional NEON / Jazelle RCT and DBX, out-of-order speculative issue superscalar, 1–4 SMP cores, snoop control unit (SCU), generic interrupt controller (GIC), accelerator coherence port (ACP) 16–64 KB / 16–64 KB L1, 0–8 MB L2 opt parity, MMU + TrustZone 2.5 DMIPS/MHz per core, 10,000 DMIPS @ 2 GHz on Performance Optimized TSMC40G (dual-core)
    Cortex-A12[26] Application profile, ARM / Thumb-2 / DSP / VFPv4 FPU / NEON / Hardware virtualization, out-of-order speculative issue superscalar, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), accelerator coherence port (ACP) 32-64 KB / 32 KB L1, 256 KB-8 MB L2 3.0 DMIPS/MHz per core
    Cortex-A15 MPCore[27] Application profile, ARM / Thumb / Thumb-2 / DSP / VFPv4 FPU / NEON / Integer divide / Fused MAC / Jazelle RCT / Hardware virtualization, out-of-order speculative issue superscalar, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), ACP, 15-24 stage pipeline[23] 32 KB w/parity / 32 KB w/ECCL1, 0–4 MB L2, L2 has ECC, MMU + TrustZone At least 3.5 DMIPS/MHz per core (up to 4.01 DMIPS/MHz depending on implementation)[28]
    Cortex-A17 MPCore Application profile, ARM / Thumb / Thumb-2 / DSP / VFPv4 FPU / NEON / Integer divide / Fused MAC / Jazelle RCT / Hardware virtualization, out-of-order speculative issue superscalar, 1–4 SMP cores, Large Physical Address Extensions (LPAE), snoop control unit (SCU), generic interrupt controller (GIC), ACP MMU + TrustZone  
    Cortex-A50 ARMv8-A Cortex-A53[29] Application profile, AArch32 and AArch64, 1-4 SMP cores, Trustzone, NEON advanced SIMD, VFPv4, hardware virtualization, dual issue, in-order pipeline 8-64 KB w/parity / 8-64 KB w/ECC L1 per core, 128 KB-2 MB L2 shared, 40-bit physical addresses 2.3 DMIPS/MHz
    Cortex-A57[30] Application profile, AArch32 and AArch64, 1-4 SMP cores, Trustzone, NEON advanced SIMD, VFPv4, hardware virtualization, multi-issue, deeply out-of-order pipeline 48 KB w/DED parity / 32 KB w/ECC L1 per core, 512 KB-2 MB L2 shared, 44-bit physical addresses At least 4.1 DMIPS/MHz per core (up to 4.76 DMIPS/MHz depending on implementation)
    ARM familyARM architectureARM coreFeatureCache (I / D),MMUTypical MIPS @ MHz

    Designed by third parties[edit]

    These cores implement the ARM instruction set, and were developed independently by companies with an architectural license from ARM.

    FamilyInstruction setMicroarchitectureFeatureCache (I / D), MMUTypical MIPS @ MHz
    StrongARM ARMv4 SA-110 5-stage pipeline 16 KB / 16 KB, MMU 100–206 MHz
    1.0 DMIPS/MHz
    SA-1100 derivative of the SA-110 16 KB / 8 KB, MMU  
    Faraday[31] ARMv4 FA510 6-stage pipeline Up to 32 KB / 32 KB cache, MPU 1.26 DMIPS/MHz
    100–200 MHz
    FA526 Up to 32 KB / 32 KB cache, MMU 1.26 MIPS/MHz
    166-300 MHz
    FA626 8-stage pipeline 32 KB / 32 KB cache, MMU 1.35 DMIPS/MHz
    500 MHz
    ARMv5TE FA606TE 5-stage pipeline No cache, no MMU 1.22 DMIPS/MHz
    200 MHz
    FA626TE 8-stage pipeline 32 KB / 32 KB cache, MMU 1.43 MIPS/MHz
    800 MHz
    FMP626TE 8-stage pipeline, SMP 1.43 MIPS/MHz
    500 MHz
    FA726TE 13 stage pipeline, dual issue 2.4 DMIPS/MHz
    1000 MHz
    XScale ARMv5TE XScale 7-stage pipeline, Thumb, Enhanced DSP instructions 32 KB / 32 KB, MMU 133–400 MHz
    Bulverde Wireless MMX, Wireless SpeedStep added 32 KB / 32 KB, MMU 312–624 MHz
    Monahans[32] Wireless MMX2 added 32 KB / 32 KB (L1), optional L2 cache up to 512 KB, MMU Up to 1.25 GHz
    MarvellSheeva ARMv5 Feroceon 5-8 stage pipeline, single-issue 16 KB / 16 KB, MMU 600–2000 MHz
    Jolteon 5-8 stage pipeline, dual-issue 32 KB / 32 KB, MMU
    PJ1 (Mohawk) 5-8 stage pipeline, single-issue, Wireless MMX2 32 KB / 32 KB, MMU 1.46 DMIPS/MHz
    1.06 GHz
    ARMv6 / ARMv7-A PJ4 6-9 stage pipeline, dual-issue, Wireless MMX2, SMP 32 KB / 32 KB, MMU 2.41 DMIPS/MHz
    1.6 GHz
    Snapdragon ARMv7-A Scorpion[33] 1 or 2 cores. ARM / Thumb / Thumb-2 / DSP / SIMD / VFPv3 FPU / NEON (128-bit wide) 256 KB L2 per core 2.1 DMIPS/MHz per core
    Krait[33] 1, 2, or 4 cores. ARM / Thumb / Thumb-2 / DSP / SIMD / VFPv4 FPU / NEON (128-bit wide) 4 KB / 4 KB L0, 16 KB / 16 KB L1, 512 KB L2 per core 3.3 DMIPS/MHz per core
    Apple A6,
    Apple A6X
    ARMv7-A Swift[34] 2 cores. ARM / Thumb / Thumb-2 / DSP / SIMD / VFPv4 FPU / NEON L1: 32 KB / 32 KB, L2: 1 MB 3.5 DMIPS/MHz per core
    Apple A7 ARMv8-A Cyclone 2 cores. ARM / Thumb / Thumb-2 / DSP / SIMD / VFPv4 FPU / NEON / TrustZone /AArch64 L1: 64 KB / 64 KB, L2: 1 MB 1.3 GHz
    Apple A8 ARMv8-A Cyclone gen 2 2 cores. ARM / Thumb / Thumb-2 / DSP / SIMD / VFPv4 FPU / NEON / TrustZone /AArch64 L1: (unknown);KB, L2: (unknown);MB 1.4 GHz
    X-Gene ARMv8-A X-Gene 64-bit, quad issue, SMP, 64 cores[35] Cache, MMU, virtualization 3 GHz
    Denver ARMv8-A Denver 64-bit 128 KB I / 64 KB D Up to 2.5 GHz
    ThunderX ARMv8-A ThunderX 8-16 / 24-48 cores (×2 w/two chips). 64-bit   Up to 2.5 GHz

    ARM core timeline[edit]

    The following table lists each core by the year it was announced.[36][37]

    YearClassic coresCortex cores
    ARM7ARM8ARM 9ARM10ARM11EmbeddedReal-timeApplication
    1996   ARM810        
    1997     ARM9TDMI    
    1998 ARM7TDMI(-S)        
    1999          
    2000          
    2001          
    2002         ARM1136J(F)-S
    2003     ARM966E-S
    ARM968E-S
      ARM1156T2(F)-S
    ARM1176JZ(F)-S
    2004           Cortex-M3    
    2005               Cortex-A8
    2006     ARM996HS          
    2007           Cortex-M1   Cortex-A9
    2008                
    2009           Cortex-M0   Cortex-A5
    2010           Cortex-M4   Cortex-A15
    2011             Cortex-R4
    Cortex-R5
    Cortex-R7
    Cortex-A7
    2012           Cortex-M0+   Cortex-A53
    Cortex-A57
    2013               Cortex-A12
    2014               Cortex-A17

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  • 原文地址:https://www.cnblogs.com/shangdawei/p/3969385.html
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