summaryrefslogtreecommitdiffstats
path: root/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessor.h
blob: 8eb285d154ad387ae41ceaa8c4cb6e06d63c20b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/** @file
  SMBIOS Processor Related Functions.

  Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef SMBIOS_PROCESSOR_H_
#define SMBIOS_PROCESSOR_H_

#include <Uefi.h>
#include <IndustryStandard/SmBios.h>

/** Returns the maximum cache level implemented by the current CPU.

    @return The maximum cache level implemented.
**/
UINT8
SmbiosProcessorGetMaxCacheLevel (
  VOID
  );

/** Returns whether or not the specified cache level has separate I/D caches.

    @param CacheLevel The cache level (L1, L2 etc.).

    @return TRUE if the cache level has separate I/D caches, FALSE otherwise.
**/
BOOLEAN
SmbiosProcessorHasSeparateCaches (
  UINT8  CacheLevel
  );

/** Gets the size of the specified cache.

    @param CacheLevel       The cache level (L1, L2 etc.).
    @param DataCache        Whether the cache is a dedicated data cache.
    @param UnifiedCache     Whether the cache is a unified cache.

    @return The cache size.
**/
UINT64
SmbiosProcessorGetCacheSize (
  IN UINT8    CacheLevel,
  IN BOOLEAN  DataCache,
  IN BOOLEAN  UnifiedCache
  );

/** Gets the associativity of the specified cache.

    @param CacheLevel       The cache level (L1, L2 etc.).
    @param DataCache        Whether the cache is a dedicated data cache.
    @param UnifiedCache     Whether the cache is a unified cache.

    @return The cache associativity.
**/
UINT32
SmbiosProcessorGetCacheAssociativity (
  IN UINT8    CacheLevel,
  IN BOOLEAN  DataCache,
  IN BOOLEAN  UnifiedCache
  );

/** Returns a value for the Processor ID field that conforms to SMBIOS
    requirements.

    @return Processor ID.
**/
UINT64
SmbiosGetProcessorId (
  VOID
  );

/** Returns the external clock frequency.

    @return The external CPU clock frequency.
**/
UINTN
SmbiosGetExternalClockFrequency (
  VOID
  );

/** Returns the SMBIOS ProcessorFamily field value.

    @return The value for the ProcessorFamily field.
**/
UINT8
SmbiosGetProcessorFamily (
  VOID
  );

/** Returns the ProcessorFamily2 field value.

    @return The value for the ProcessorFamily2 field.
**/
UINT16
SmbiosGetProcessorFamily2 (
  VOID
  );

/** Returns the SMBIOS Processor Characteristics.

    @return Processor Characteristics bitfield.
**/
PROCESSOR_CHARACTERISTIC_FLAGS
SmbiosGetProcessorCharacteristics (
  VOID
  );

#endif // SMBIOS_PROCESSOR_H_