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      1 /** @file
      2 
      3   Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
      4   This program and the accompanying materials
      5   are licensed and made available under the terms and conditions of the BSD License
      6   which accompanies this distribution.  The full text of the license may be found at
      7   http://opensource.org/licenses/bsd-license.php.
      8 
      9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     11 
     12 **/
     13 
     14 #ifndef _CACHE_LIB_INTERNAL_H_
     15 #define _CACHE_LIB_INTERNAL_H_
     16 
     17 #define EFI_MSR_CACHE_VARIABLE_MTRR_BASE       0x00000200
     18 #define EFI_MSR_CACHE_VARIABLE_MTRR_END        0x0000020F
     19 #define   V_EFI_FIXED_MTRR_NUMBER                                      11
     20 
     21 #define EFI_MSR_IA32_MTRR_FIX64K_00000         0x00000250
     22 #define EFI_MSR_IA32_MTRR_FIX16K_80000         0x00000258
     23 #define EFI_MSR_IA32_MTRR_FIX16K_A0000         0x00000259
     24 #define EFI_MSR_IA32_MTRR_FIX4K_C0000          0x00000268
     25 #define EFI_MSR_IA32_MTRR_FIX4K_C8000          0x00000269
     26 #define EFI_MSR_IA32_MTRR_FIX4K_D0000          0x0000026A
     27 #define EFI_MSR_IA32_MTRR_FIX4K_D8000          0x0000026B
     28 #define EFI_MSR_IA32_MTRR_FIX4K_E0000          0x0000026C
     29 #define EFI_MSR_IA32_MTRR_FIX4K_E8000          0x0000026D
     30 #define EFI_MSR_IA32_MTRR_FIX4K_F0000          0x0000026E
     31 #define EFI_MSR_IA32_MTRR_FIX4K_F8000          0x0000026F
     32 #define EFI_MSR_CACHE_IA32_MTRR_DEF_TYPE       0x000002FF
     33 #define   B_EFI_MSR_CACHE_MTRR_VALID                                   BIT11
     34 #define   B_EFI_MSR_GLOBAL_MTRR_ENABLE                                 BIT11
     35 #define   B_EFI_MSR_FIXED_MTRR_ENABLE                                  BIT10
     36 #define   B_EFI_MSR_CACHE_MEMORY_TYPE                                  (BIT2 | BIT1 | BIT0)
     37 
     38 #define EFI_MSR_VALID_MASK                     0xFFFFFFFFF
     39 #define EFI_CACHE_VALID_ADDRESS                0xFFFFFF000
     40 #define EFI_SMRR_CACHE_VALID_ADDRESS           0xFFFFF000
     41 #define EFI_CACHE_VALID_EXTENDED_ADDRESS       0xFFFFFFFFFF000
     42 
     43 // Leave one MTRR pairs for OS use
     44 #define EFI_CACHE_NUM_VAR_MTRR_PAIRS_FOR_OS   1
     45 #define EFI_CACHE_LAST_VARIABLE_MTRR_FOR_BIOS (EFI_MSR_CACHE_VARIABLE_MTRR_END) - \
     46         (EFI_CACHE_NUM_VAR_MTRR_PAIRS_FOR_OS * 2)
     47 
     48 #define EFI_MSR_IA32_MTRR_CAP                  0x000000FE
     49 #define   B_EFI_MSR_IA32_MTRR_CAP_EMRR_SUPPORT                         BIT12
     50 #define   B_EFI_MSR_IA32_MTRR_CAP_SMRR_SUPPORT                         BIT11
     51 #define   B_EFI_MSR_IA32_MTRR_CAP_WC_SUPPORT                           BIT10
     52 #define   B_EFI_MSR_IA32_MTRR_CAP_FIXED_SUPPORT                        BIT8
     53 #define   B_EFI_MSR_IA32_MTRR_CAP_VARIABLE_SUPPORT                     (BIT7 | BIT6 | BIT5 | BIT4 | BIT3 | BIT2 | BIT1 | BIT0)
     54 
     55 #define CPUID_VIR_PHY_ADDRESS_SIZE                                    0x80000008
     56 #define CPUID_EXTENDED_FUNCTION                                       0x80000000
     57 
     58 #endif
     59 
     60