1 /** @file 2 3 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 4 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef __ARM_LIB_PRIVATE_H__ 16 #define __ARM_LIB_PRIVATE_H__ 17 18 #define CACHE_SIZE_4_KB (3UL) 19 #define CACHE_SIZE_8_KB (4UL) 20 #define CACHE_SIZE_16_KB (5UL) 21 #define CACHE_SIZE_32_KB (6UL) 22 #define CACHE_SIZE_64_KB (7UL) 23 #define CACHE_SIZE_128_KB (8UL) 24 25 #define CACHE_ASSOCIATIVITY_DIRECT (0UL) 26 #define CACHE_ASSOCIATIVITY_4_WAY (2UL) 27 #define CACHE_ASSOCIATIVITY_8_WAY (3UL) 28 29 #define CACHE_PRESENT (0UL) 30 #define CACHE_NOT_PRESENT (1UL) 31 32 #define CACHE_LINE_LENGTH_32_BYTES (2UL) 33 34 #define SIZE_FIELD_TO_CACHE_SIZE(x) (((x) >> 6) & 0x0F) 35 #define SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(x) (((x) >> 3) & 0x07) 36 #define SIZE_FIELD_TO_CACHE_PRESENCE(x) (((x) >> 2) & 0x01) 37 #define SIZE_FIELD_TO_CACHE_LINE_LENGTH(x) (((x) >> 0) & 0x03) 38 39 #define DATA_CACHE_SIZE_FIELD(x) (((x) >> 12) & 0x0FFF) 40 #define INSTRUCTION_CACHE_SIZE_FIELD(x) (((x) >> 0) & 0x0FFF) 41 42 #define DATA_CACHE_SIZE(x) (SIZE_FIELD_TO_CACHE_SIZE(DATA_CACHE_SIZE_FIELD(x))) 43 #define DATA_CACHE_ASSOCIATIVITY(x) (SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(DATA_CACHE_SIZE_FIELD(x))) 44 #define DATA_CACHE_PRESENT(x) (SIZE_FIELD_TO_CACHE_PRESENCE(DATA_CACHE_SIZE_FIELD(x))) 45 #define DATA_CACHE_LINE_LENGTH(x) (SIZE_FIELD_TO_CACHE_LINE_LENGTH(DATA_CACHE_SIZE_FIELD(x))) 46 47 #define INSTRUCTION_CACHE_SIZE(x) (SIZE_FIELD_TO_CACHE_SIZE(INSTRUCTION_CACHE_SIZE_FIELD(x))) 48 #define INSTRUCTION_CACHE_ASSOCIATIVITY(x) (SIZE_FIELD_TO_CACHE_ASSOCIATIVITY(INSTRUCTION_CACHE_SIZE_FIELD(x))) 49 #define INSTRUCTION_CACHE_PRESENT(x) (SIZE_FIELD_TO_CACHE_PRESENCE(INSTRUCTION_CACHE_SIZE_FIELD(x))) 50 #define INSTRUCTION_CACHE_LINE_LENGTH(x) (SIZE_FIELD_TO_CACHE_LINE_LENGTH(INSTRUCTION_CACHE_SIZE_FIELD(x))) 51 52 #define CACHE_TYPE(x) (((x) >> 25) & 0x0F) 53 #define CACHE_TYPE_WRITE_BACK (0x0EUL) 54 55 #define CACHE_ARCHITECTURE(x) (((x) >> 24) & 0x01) 56 #define CACHE_ARCHITECTURE_UNIFIED (0UL) 57 #define CACHE_ARCHITECTURE_SEPARATE (1UL) 58 59 VOID 60 CPSRMaskInsert ( 61 IN UINT32 Mask, 62 IN UINT32 Value 63 ); 64 65 UINT32 66 CPSRRead ( 67 VOID 68 ); 69 70 UINT32 71 ReadCCSIDR ( 72 IN UINT32 CSSELR 73 ); 74 75 UINT32 76 ReadCLIDR ( 77 VOID 78 ); 79 80 #endif // __ARM_LIB_PRIVATE_H__ 81