1 /* 2 * Copyright (c) 2011 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef _ARM_CPUID_INTERNAL_H_ 30 #define _ARM_CPUID_INTERNAL_H_ 31 32 #include <arm/cpuid.h> 33 #include <machine/machine_cpuid.h> 34 35 void machine_do_debugid(void); 36 arm_debug_info_t *machine_arm_debug_info(void); 37 38 void machine_do_mvfpid(void); 39 arm_mvfp_info_t *machine_arm_mvfp_info(void); 40 41 uint32_t machine_read_midr(void); 42 uint32_t machine_read_clidr(void); 43 uint32_t machine_read_ccsidr(void); 44 45 // CSSELR_EL1.Level bits position 0b1110. 46 typedef enum { 47 CSSELR_L1 = 0, 48 CSSELR_L2 = 1 << 1, 49 CSSELR_L3 = 2 << 1, 50 CSSELR_L4 = 3 << 1, 51 CSSELR_L5 = 4 << 1, 52 CSSELR_L6 = 5 << 1, 53 CSSELR_L7 = 6 << 1, 54 } csselr_cache_level; 55 56 // CSSELR_EL1.InD bit position 0b1. 57 typedef enum { 58 CSSELR_DATA_UNIFIED = 0x0, 59 CSSELR_INSTR = 0x1 60 } csselr_cache_type; 61 62 void machine_write_csselr(csselr_cache_level level, csselr_cache_type type); 63 64 #endif /* _ARM_CPUID_INTERNAL_H_ */ 65