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From: "wenyi,xie" <xiewenyi2@huawei.com>
To: Leif Lindholm <leif@nuviainc.com>, Rebecca Cran <rebecca@nuviainc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>, <devel@edk2.groups.io>
Subject: Re: [PATCH v2 1/1] ArmPkg: Move cache defs used in Universal/Smbios into ArmCache.h
Date: Mon, 21 Jun 2021 09:23:40 +0800	[thread overview]
Message-ID: <40fdb6a5-8e94-5e57-6f28-dc0d9b14ef01@huawei.com> (raw)
In-Reply-To: <20210618155426.bb42gb3hl2h4uszw@leviathan>

OK,I will handle this later.

Thanks
Wenyi

On 2021/6/18 23:54, Leif Lindholm wrote:
> Agh. *Actually* cc Wenyi.
> 
> On Fri, Jun 18, 2021 at 16:53:38 +0100, Leif Lindholm wrote:
>> +Wenyi
>>
>> On Mon, Jun 14, 2021 at 12:57:49 -0600, Rebecca Cran wrote:
>>> Many of the cache definitions in ArmLibPrivate.h are being used outside
>>> of ArmLib, in Universal/Smbios. Move them into ArmCache.h to make them
>>> public, and remove the include of ArmLibPrivate.h from files in
>>> Universal/Smbios.
>>>
>>> Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
>>
>> Reviewed-by: Leif Lindholm <leif@nuviainc.com>
>> Pushed as a63914d3f603. Thanks!
>>
>> I will note that this change breaks Silicon/Hisilicon/Hi1616 and
>> Silicon/Hisilicon/Hi1620, which use some of the macros moved by this
>> patch.
>> However, I am unable to build these anyway with recent iasl/gcc.
>>
>> Wenyi: can you have a look at making these platforms build?
>> This will now also involve dropping use of
>> Library/ArmLib/ArmLibPrivate.h.
>>
>> /
>>     Leif
>>
>>> ---
>>>  ArmPkg/Include/IndustryStandard/ArmCache.h                              | 112 ++++++++++++++++++
>>>  ArmPkg/Include/Library/ArmLib.h                                         |  36 +++++-
>>>  ArmPkg/Library/ArmLib/ArmLibPrivate.h                                   | 123 --------------------
>>>  ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c        |   2 +-
>>>  ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorAArch64.c   |   2 +-
>>>  ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArm.c       |   2 +-
>>>  ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArmCommon.c |   2 +-
>>>  7 files changed, 148 insertions(+), 131 deletions(-)
>>>
>>> diff --git a/ArmPkg/Include/IndustryStandard/ArmCache.h b/ArmPkg/Include/IndustryStandard/ArmCache.h
>>> new file mode 100644
>>> index 000000000000..f9de46b5bffd
>>> --- /dev/null
>>> +++ b/ArmPkg/Include/IndustryStandard/ArmCache.h
>>> @@ -0,0 +1,112 @@
>>> +/** @file
>>> +
>>> +  Copyright (c) 2020 - 2021, NUVIA Inc. All rights reserved.<BR>
>>> +
>>> +  SPDX-License-Identifier: BSD-2-Clause-Patent
>>> +
>>> +**/
>>> +
>>> +#ifndef ARM_CACHE_H_
>>> +#define ARM_CACHE_H_
>>> +
>>> +#include <Uefi/UefiBaseType.h>
>>> +
>>> +// The ARM Architecture Reference Manual for ARMv8-A defines up
>>> +// to 7 levels of cache, L1 through L7.
>>> +#define MAX_ARM_CACHE_LEVEL   7
>>> +
>>> +/// Defines the structure of the CSSELR (Cache Size Selection) register
>>> +typedef union {
>>> +  struct {
>>> +    UINT32    InD       :1;  ///< Instruction not Data bit
>>> +    UINT32    Level     :3;  ///< Cache level (zero based)
>>> +    UINT32    TnD       :1;  ///< Allocation not Data bit
>>> +    UINT32    Reserved  :27; ///< Reserved, RES0
>>> +  } Bits; ///< Bitfield definition of the register
>>> +  UINT32 Data; ///< The entire 32-bit value
>>> +} CSSELR_DATA;
>>> +
>>> +/// The cache type values for the InD field of the CSSELR register
>>> +typedef enum
>>> +{
>>> +  /// Select the data or unified cache
>>> +  CsselrCacheTypeDataOrUnified = 0,
>>> +  /// Select the instruction cache
>>> +  CsselrCacheTypeInstruction,
>>> +  CsselrCacheTypeMax
>>> +} CSSELR_CACHE_TYPE;
>>> +
>>> +/// Defines the structure of the CCSIDR (Current Cache Size ID) register
>>> +typedef union {
>>> +  struct {
>>> +    UINT64    LineSize           :3;  ///< Line size (Log2(Num bytes in cache) - 4)
>>> +    UINT64    Associativity      :10; ///< Associativity - 1
>>> +    UINT64    NumSets            :15; ///< Number of sets in the cache -1
>>> +    UINT64    Unknown            :4;  ///< Reserved, UNKNOWN
>>> +    UINT64    Reserved           :32; ///< Reserved, RES0
>>> +  } BitsNonCcidx; ///< Bitfield definition of the register when FEAT_CCIDX is not supported.
>>> +  struct {
>>> +    UINT64    LineSize           :3;  ///< Line size (Log2(Num bytes in cache) - 4)
>>> +    UINT64    Associativity      :21; ///< Associativity - 1
>>> +    UINT64    Reserved1          :8;  ///< Reserved, RES0
>>> +    UINT64    NumSets            :24; ///< Number of sets in the cache -1
>>> +    UINT64    Reserved2          :8;  ///< Reserved, RES0
>>> +  } BitsCcidxAA64; ///< Bitfield definition of the register when FEAT_IDX is supported.
>>> +  struct {
>>> +    UINT64    LineSize           : 3;
>>> +    UINT64    Associativity      : 21;
>>> +    UINT64    Reserved           : 8;
>>> +    UINT64    Unallocated        : 32;
>>> +  } BitsCcidxAA32;
>>> +  UINT64 Data; ///< The entire 64-bit value
>>> +} CCSIDR_DATA;
>>> +
>>> +/// Defines the structure of the AARCH32 CCSIDR2 register.
>>> +typedef union {
>>> +  struct {
>>> +    UINT32 NumSets               :24; ///< Number of sets in the cache - 1
>>> +    UINT32 Reserved              :8;  ///< Reserved, RES0
>>> +  } Bits; ///< Bitfield definition of the register
>>> +  UINT32 Data; ///< The entire 32-bit value
>>> +} CCSIDR2_DATA;
>>> +
>>> +/** Defines the structure of the CLIDR (Cache Level ID) register.
>>> + *
>>> + * The lower 32 bits are the same for both AARCH32 and AARCH64
>>> + * so we can use the same structure for both.
>>> +**/
>>> +typedef union {
>>> +  struct {
>>> +    UINT32    Ctype1   : 3; ///< Level 1 cache type
>>> +    UINT32    Ctype2   : 3; ///< Level 2 cache type
>>> +    UINT32    Ctype3   : 3; ///< Level 3 cache type
>>> +    UINT32    Ctype4   : 3; ///< Level 4 cache type
>>> +    UINT32    Ctype5   : 3; ///< Level 5 cache type
>>> +    UINT32    Ctype6   : 3; ///< Level 6 cache type
>>> +    UINT32    Ctype7   : 3; ///< Level 7 cache type
>>> +    UINT32    LoUIS    : 3; ///< Level of Unification Inner Shareable
>>> +    UINT32    LoC      : 3; ///< Level of Coherency
>>> +    UINT32    LoUU     : 3; ///< Level of Unification Uniprocessor
>>> +    UINT32    Icb      : 3; ///< Inner Cache Boundary
>>> +  } Bits; ///< Bitfield definition of the register
>>> +  UINT32 Data; ///< The entire 32-bit value
>>> +} CLIDR_DATA;
>>> +
>>> +/// The cache types reported in the CLIDR register.
>>> +typedef enum {
>>> +  /// No cache is present
>>> +  ClidrCacheTypeNone = 0,
>>> +  /// There is only an instruction cache
>>> +  ClidrCacheTypeInstructionOnly,
>>> +  /// There is only a data cache
>>> +  ClidrCacheTypeDataOnly,
>>> +  /// There are separate data and instruction caches
>>> +  ClidrCacheTypeSeparate,
>>> +  /// There is a unified cache
>>> +  ClidrCacheTypeUnified,
>>> +  ClidrCacheTypeMax
>>> +} CLIDR_CACHE_TYPE;
>>> +
>>> +#define CLIDR_GET_CACHE_TYPE(x, level) ((x >> (3 * (level))) & 0b111)
>>> +
>>> +#endif /* ARM_CACHE_H_ */
>>> diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
>>> index 5c232d779c83..79ea755777a9 100644
>>> --- a/ArmPkg/Include/Library/ArmLib.h
>>> +++ b/ArmPkg/Include/Library/ArmLib.h
>>> @@ -2,7 +2,7 @@
>>>  
>>>    Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
>>>    Copyright (c) 2011 - 2016, ARM Ltd. All rights reserved.<BR>
>>> -  Copyright (c) 2020, NUVIA Inc. All rights reserved.<BR>
>>> +  Copyright (c) 2020 - 2021, NUVIA Inc. All rights reserved.<BR>
>>>  
>>>    SPDX-License-Identifier: BSD-2-Clause-Patent
>>>  
>>> @@ -109,9 +109,37 @@ typedef enum {
>>>  #define GET_MPID(ClusterId, CoreId)   (((ClusterId) << 8) | (CoreId))
>>>  #define PRIMARY_CORE_ID       (PcdGet32(PcdArmPrimaryCore) & ARM_CORE_MASK)
>>>  
>>> -// The ARM Architecture Reference Manual for ARMv8-A defines up
>>> -// to 7 levels of cache, L1 through L7.
>>> -#define MAX_ARM_CACHE_LEVEL   7
>>> +/** Reads the CCSIDR register for the specified cache.
>>> +
>>> +  @param CSSELR The CSSELR cache selection register value.
>>> +
>>> +  @return The contents of the CCSIDR_EL1 register for the specified cache, when in AARCH64 mode.
>>> +          Returns the contents of the CCSIDR register in AARCH32 mode.
>>> +**/
>>> +UINTN
>>> +ReadCCSIDR (
>>> +  IN UINT32 CSSELR
>>> +  );
>>> +
>>> +/** Reads the CCSIDR2 for the specified cache.
>>> +
>>> +  @param CSSELR The CSSELR cache selection register value
>>> +
>>> +  @return The contents of the CCSIDR2 register for the specified cache.
>>> +**/
>>> +UINT32
>>> +ReadCCSIDR2 (
>>> +  IN UINT32 CSSELR
>>> +  );
>>> +
>>> +/** Reads the Cache Level ID (CLIDR) register.
>>> +
>>> +  @return The contents of the CLIDR_EL1 register.
>>> +**/
>>> +UINT32
>>> +ReadCLIDR (
>>> +  VOID
>>> +  );
>>>  
>>>  UINTN
>>>  EFIAPI
>>> diff --git a/ArmPkg/Library/ArmLib/ArmLibPrivate.h b/ArmPkg/Library/ArmLib/ArmLibPrivate.h
>>> index 5db83d620bfc..668aefd6a088 100644
>>> --- a/ArmPkg/Library/ArmLib/ArmLibPrivate.h
>>> +++ b/ArmPkg/Library/ArmLib/ArmLibPrivate.h
>>> @@ -52,101 +52,6 @@
>>>  #define CACHE_ARCHITECTURE_UNIFIED            (0UL)
>>>  #define CACHE_ARCHITECTURE_SEPARATE           (1UL)
>>>  
>>> -
>>> -/// Defines the structure of the CSSELR (Cache Size Selection) register
>>> -typedef union {
>>> -  struct {
>>> -    UINT32    InD       :1;  ///< Instruction not Data bit
>>> -    UINT32    Level     :3;  ///< Cache level (zero based)
>>> -    UINT32    TnD       :1;  ///< Allocation not Data bit
>>> -    UINT32    Reserved  :27; ///< Reserved, RES0
>>> -  } Bits; ///< Bitfield definition of the register
>>> -  UINT32 Data; ///< The entire 32-bit value
>>> -} CSSELR_DATA;
>>> -
>>> -/// The cache type values for the InD field of the CSSELR register
>>> -typedef enum
>>> -{
>>> -  /// Select the data or unified cache
>>> -  CsselrCacheTypeDataOrUnified = 0,
>>> -  /// Select the instruction cache
>>> -  CsselrCacheTypeInstruction,
>>> -  CsselrCacheTypeMax
>>> -} CSSELR_CACHE_TYPE;
>>> -
>>> -/// Defines the structure of the CCSIDR (Current Cache Size ID) register
>>> -typedef union {
>>> -  struct {
>>> -    UINT64    LineSize           :3;  ///< Line size (Log2(Num bytes in cache) - 4)
>>> -    UINT64    Associativity      :10; ///< Associativity - 1
>>> -    UINT64    NumSets            :15; ///< Number of sets in the cache -1
>>> -    UINT64    Unknown            :4;  ///< Reserved, UNKNOWN
>>> -    UINT64    Reserved           :32; ///< Reserved, RES0
>>> -  } BitsNonCcidx; ///< Bitfield definition of the register when FEAT_CCIDX is not supported.
>>> -  struct {
>>> -    UINT64    LineSize           :3;  ///< Line size (Log2(Num bytes in cache) - 4)
>>> -    UINT64    Associativity      :21; ///< Associativity - 1
>>> -    UINT64    Reserved1          :8;  ///< Reserved, RES0
>>> -    UINT64    NumSets            :24; ///< Number of sets in the cache -1
>>> -    UINT64    Reserved2          :8;  ///< Reserved, RES0
>>> -  } BitsCcidxAA64; ///< Bitfield definition of the register when FEAT_IDX is supported.
>>> -  struct {
>>> -    UINT64    LineSize           : 3;
>>> -    UINT64    Associativity      : 21;
>>> -    UINT64    Reserved           : 8;
>>> -    UINT64    Unallocated        : 32;
>>> -  } BitsCcidxAA32;
>>> -  UINT64 Data; ///< The entire 64-bit value
>>> -} CCSIDR_DATA;
>>> -
>>> -/// Defines the structure of the AARCH32 CCSIDR2 register.
>>> -typedef union {
>>> -  struct {
>>> -    UINT32 NumSets               :24; ///< Number of sets in the cache - 1
>>> -    UINT32 Reserved              :8;  ///< Reserved, RES0
>>> -  } Bits; ///< Bitfield definition of the register
>>> -  UINT32 Data; ///< The entire 32-bit value
>>> -} CCSIDR2_DATA;
>>> -
>>> -/** Defines the structure of the CLIDR (Cache Level ID) register.
>>> - *
>>> - * The lower 32 bits are the same for both AARCH32 and AARCH64
>>> - * so we can use the same structure for both.
>>> -**/
>>> -typedef union {
>>> -  struct {
>>> -    UINT32    Ctype1   : 3; ///< Level 1 cache type
>>> -    UINT32    Ctype2   : 3; ///< Level 2 cache type
>>> -    UINT32    Ctype3   : 3; ///< Level 3 cache type
>>> -    UINT32    Ctype4   : 3; ///< Level 4 cache type
>>> -    UINT32    Ctype5   : 3; ///< Level 5 cache type
>>> -    UINT32    Ctype6   : 3; ///< Level 6 cache type
>>> -    UINT32    Ctype7   : 3; ///< Level 7 cache type
>>> -    UINT32    LoUIS    : 3; ///< Level of Unification Inner Shareable
>>> -    UINT32    LoC      : 3; ///< Level of Coherency
>>> -    UINT32    LoUU     : 3; ///< Level of Unification Uniprocessor
>>> -    UINT32    Icb      : 3; ///< Inner Cache Boundary
>>> -  } Bits; ///< Bitfield definition of the register
>>> -  UINT32 Data; ///< The entire 32-bit value
>>> -} CLIDR_DATA;
>>> -
>>> -/// The cache types reported in the CLIDR register.
>>> -typedef enum {
>>> -  /// No cache is present
>>> -  ClidrCacheTypeNone = 0,
>>> -  /// There is only an instruction cache
>>> -  ClidrCacheTypeInstructionOnly,
>>> -  /// There is only a data cache
>>> -  ClidrCacheTypeDataOnly,
>>> -  /// There are separate data and instruction caches
>>> -  ClidrCacheTypeSeparate,
>>> -  /// There is a unified cache
>>> -  ClidrCacheTypeUnified,
>>> -  ClidrCacheTypeMax
>>> -} CLIDR_CACHE_TYPE;
>>> -
>>> -#define CLIDR_GET_CACHE_TYPE(x, level) ((x >> (3 * (level))) & 0b111)
>>> -
>>>  VOID
>>>  CPSRMaskInsert (
>>>    IN  UINT32  Mask,
>>> @@ -158,32 +63,4 @@ CPSRRead (
>>>    VOID
>>>    );
>>>  
>>> -/** Reads the CCSIDR register for the specified cache.
>>> -
>>> -  @param CSSELR The CSSELR cache selection register value.
>>> -
>>> -  @return The contents of the CCSIDR_EL1 register for the specified cache, when in AARCH64 mode.
>>> -          Returns the contents of the CCSIDR register in AARCH32 mode.
>>> -**/
>>> -UINTN
>>> -ReadCCSIDR (
>>> -  IN UINT32 CSSELR
>>> -  );
>>> -
>>> -/** Reads the CCSIDR2 for the specified cache.
>>> -
>>> -  @param CSSELR The CSSELR cache selection register value
>>> -
>>> -  @return The contents of the CCSIDR2 register for the specified cache.
>>> -**/
>>> -UINT32
>>> -ReadCCSIDR2 (
>>> -  IN UINT32 CSSELR
>>> -  );
>>> -
>>> -UINT32
>>> -ReadCLIDR (
>>> -  VOID
>>> -  );
>>> -
>>>  #endif // ARM_LIB_PRIVATE_H_
>>> diff --git a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
>>> index 0cb56c53975e..fb484086a457 100644
>>> --- a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
>>> +++ b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
>>> @@ -10,11 +10,11 @@
>>>  
>>>  #include <Uefi.h>
>>>  #include <Protocol/Smbios.h>
>>> +#include <IndustryStandard/ArmCache.h>
>>>  #include <IndustryStandard/ArmStdSmc.h>
>>>  #include <IndustryStandard/SmBios.h>
>>>  #include <Library/ArmLib.h>
>>>  #include <Library/ArmSmcLib.h>
>>> -#include <Library/ArmLib/ArmLibPrivate.h>
>>>  #include <Library/BaseLib.h>
>>>  #include <Library/BaseMemoryLib.h>
>>>  #include <Library/DebugLib.h>
>>> diff --git a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorAArch64.c b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorAArch64.c
>>> index ddd774b16f83..6fbb95afb215 100644
>>> --- a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorAArch64.c
>>> +++ b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorAArch64.c
>>> @@ -8,8 +8,8 @@
>>>  **/
>>>  
>>>  #include <Uefi.h>
>>> +#include <IndustryStandard/ArmCache.h>
>>>  #include <Library/ArmLib.h>
>>> -#include <Library/ArmLib/ArmLibPrivate.h>
>>>  
>>>  #include "SmbiosProcessor.h"
>>>  
>>> diff --git a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArm.c b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArm.c
>>> index c78bd41a7e06..7616fca425fd 100644
>>> --- a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArm.c
>>> +++ b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArm.c
>>> @@ -8,8 +8,8 @@
>>>  **/
>>>  
>>>  #include <Uefi.h>
>>> +#include <IndustryStandard/ArmCache.h>
>>>  #include <Library/ArmLib.h>
>>> -#include <Library/ArmLib/ArmLibPrivate.h>
>>>  
>>>  #include "SmbiosProcessor.h"
>>>  
>>> diff --git a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArmCommon.c b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArmCommon.c
>>> index bccb21cfbb41..292f10bf97eb 100644
>>> --- a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArmCommon.c
>>> +++ b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/SmbiosProcessorArmCommon.c
>>> @@ -8,10 +8,10 @@
>>>  **/
>>>  
>>>  #include <Uefi.h>
>>> +#include <IndustryStandard/ArmCache.h>
>>>  #include <IndustryStandard/ArmStdSmc.h>
>>>  #include <IndustryStandard/SmBios.h>
>>>  #include <Library/ArmLib.h>
>>> -#include <Library/ArmLib/ArmLibPrivate.h>
>>>  #include <Library/ArmSmcLib.h>
>>>  #include <Library/BaseMemoryLib.h>
>>>  
>>> -- 
>>> 2.26.2
>>>
> .
> 

      reply	other threads:[~2021-06-21  1:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-14 18:57 [PATCH v2 1/1] ArmPkg: Move cache defs used in Universal/Smbios into ArmCache.h Rebecca Cran
2021-06-16 14:23 ` Ard Biesheuvel
2021-06-18 15:53 ` Leif Lindholm
2021-06-18 15:54   ` Leif Lindholm
2021-06-21  1:23     ` wenyi,xie [this message]

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