/* * Copyright (c) 2007-2016 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * ARM CPU identification */ #ifndef _MACHINE_CPUID_H_ #define _MACHINE_CPUID_H_ #include <stdint.h> #include <mach/boolean.h> #include <machine/machine_cpuid.h> typedef struct { uint32_t arm_rev : 4,/* 00:03 revision number */ arm_part : 12, /* 04:15 primary part number */ arm_arch : 4, /* 16:19 architecture */ arm_variant : 4, /* 20:23 variant */ arm_implementor : 8; /* 24:31 implementor (0x41) */ } arm_cpuid_bits_t; typedef union { arm_cpuid_bits_t arm_info; /* ARM9xx, ARM11xx, and later processors */ uint32_t value; } arm_cpu_info_t; /* Implementor codes */ #define CPU_VID_ARM 0x41 // ARM Limited #define CPU_VID_DEC 0x44 // Digital Equipment Corporation #define CPU_VID_MOTOROLA 0x4D // Motorola - Freescale Semiconductor Inc. #define CPU_VID_MARVELL 0x56 // Marvell Semiconductor Inc. #define CPU_VID_INTEL 0x69 // Intel ARM parts. #define CPU_VID_APPLE 0x61 // Apple Inc. /* ARM Architecture Codes */ #define CPU_ARCH_ARMv4 0x1 /* ARMv4 */ #define CPU_ARCH_ARMv4T 0x2 /* ARMv4 + Thumb */ #define CPU_ARCH_ARMv5 0x3 /* ARMv5 */ #define CPU_ARCH_ARMv5T 0x4 /* ARMv5 + Thumb */ #define CPU_ARCH_ARMv5TE 0x5 /* ARMv5 + Thumb + Extensions(?) */ #define CPU_ARCH_ARMv5TEJ 0x6 /* ARMv5 + Thumb + Extensions(?) + //Jazelle(?) XXX */ #define CPU_ARCH_ARMv6 0x7 /* ARMv6 */ #define CPU_ARCH_ARMv7 0x8 /* ARMv7 */ #define CPU_ARCH_ARMv7f 0x9 /* ARMv7 for Cortex A9 */ #define CPU_ARCH_ARMv7s 0xa /* ARMv7 for Swift */ #define CPU_ARCH_ARMv7k 0xb /* ARMv7 for Cortex A7 */ #define CPU_ARCH_ARMv8 0xc /* Subtype for CPU_TYPE_ARM64 */ /* special code indicating we need to look somewhere else for the architecture version */ #define CPU_ARCH_EXTENDED 0xF /* ARM Part Numbers */ /* * XXX: ARM Todo * Fill out these part numbers more completely */ /* ARM9 (ARMv4T architecture) */ #define CPU_PART_920T 0x920 #define CPU_PART_926EJS 0x926 /* ARM926EJ-S */ /* ARM11 (ARMv6 architecture) */ #define CPU_PART_1136JFS 0xB36 /* ARM1136JF-S or ARM1136J-S */ #define CPU_PART_1176JZFS 0xB76 /* ARM1176JZF-S */ /* G1 (ARMv7 architecture) */ #define CPU_PART_CORTEXA5 0xC05 /* M7 (ARMv7 architecture) */ #define CPU_PART_CORTEXA7 0xC07 /* H2 H3 (ARMv7 architecture) */ #define CPU_PART_CORTEXA8 0xC08 /* H4 (ARMv7 architecture) */ #define CPU_PART_CORTEXA9 0xC09 /* H5 (SWIFT architecture) */ #define CPU_PART_SWIFT 0x0 /* H6 (ARMv8 architecture) */ #define CPU_PART_CYCLONE 0x1 /* H7 (ARMv8 architecture) */ #define CPU_PART_TYPHOON 0x2 /* H7G (ARMv8 architecture) */ #define CPU_PART_TYPHOON_CAPRI 0x3 /* H8 (ARMv8 architecture) */ #define CPU_PART_TWISTER 0x4 /* H8G H8M (ARMv8 architecture) */ #define CPU_PART_TWISTER_ELBA_MALTA 0x5 /* H9 (ARMv8 architecture) */ #define CPU_PART_HURRICANE 0x6 /* H9G (ARMv8 architecture) */ #define CPU_PART_HURRICANE_MYST 0x7 /* H10 p-Core (ARMv8 architecture) */ #define CPU_PART_MONSOON 0x8 /* H10 e-Core (ARMv8 architecture) */ #define CPU_PART_MISTRAL 0x9 /* Cache type identification */ /* Supported Cache Types */ typedef enum { CACHE_WRITE_THROUGH, CACHE_WRITE_BACK, CACHE_READ_ALLOCATION, CACHE_WRITE_ALLOCATION, CACHE_UNKNOWN } cache_type_t; typedef struct { boolean_t c_unified; /* unified I & D cache? */ uint32_t c_isize; /* in Bytes (ARM caches can be 0.5 KB) */ boolean_t c_i_ppage; /* protected page restriction for I cache * (see B6-11 in ARM DDI 0100I document). */ uint32_t c_dsize; /* in Bytes (ARM caches can be 0.5 KB) */ boolean_t c_d_ppage; /* protected page restriction for I cache * (see B6-11 in ARM DDI 0100I document). */ cache_type_t c_type; /* WB or WT */ uint32_t c_linesz; /* number of bytes */ uint32_t c_assoc; /* n-way associativity */ uint32_t c_l2size; /* L2 size, if present */ uint32_t c_bulksize_op;/* bulk operation size limit. 0 if disabled */ uint32_t c_inner_cache_size; /* inner dache size */ } cache_info_t; typedef struct { uint32_t RB:4, /* 3:0 - 32x64-bit media register bank supported: 0x2 */ SP:4, /* 7:4 - Single precision supported in VFPv3: 0x2 */ DP:4, /* 8:11 - Double precision supported in VFPv3: 0x2 */ TE:4, /* 12-15 - Only untrapped exception handling can be selected: 0x0 */ D:4, /* 19:16 - VFP hardware divide supported: 0x1 */ SR:4, /* 23:20 - VFP hardware square root supported: 0x1 */ SV:4, /* 27:24 - VFP short vector supported: 0x1 */ RM:4; /* 31:28 - All VFP rounding modes supported: 0x1 */ } arm_mvfr0_t; typedef union { arm_mvfr0_t bits; uint32_t value; } arm_mvfr0_info_t; typedef struct { uint32_t FZ:4, /* 3:0 - Full denormal arithmetic supported for VFP: 0x1 */ DN:4, /* 7:4 - Propagation of NaN values supported for VFP: 0x1 */ LS:4, /* 11:8 - Load/store instructions supported for NEON: 0x1 */ I:4, /* 15:12 - Integer instructions supported for NEON: 0x1 */ SP:4, /* 19:16 - Single precision floating-point instructions supported for NEON: 0x1 */ HPFP:4, /* 23:20 - Half precision floating-point instructions supported */ RSVP:8; /* 31:24 - Reserved */ } arm_mvfr1_t; typedef union { arm_mvfr1_t bits; uint32_t value; } arm_mvfr1_info_t; typedef struct { uint32_t neon; uint32_t neon_hpfp; uint32_t neon_fp16; } arm_mvfp_info_t; #ifdef __cplusplus extern "C" { #endif extern void do_cpuid(void); extern arm_cpu_info_t *cpuid_info(void); extern int cpuid_get_cpufamily(void); extern void do_debugid(void); extern arm_debug_info_t *arm_debug_info(void); extern void do_cacheid(void); extern cache_info_t *cache_info(void); extern void do_mvfpid(void); extern arm_mvfp_info_t *arm_mvfp_info(void); #ifdef __cplusplus } #endif #endif // _MACHINE_CPUID_H_