[edk2-devel] [edk2-platforms: PATCH v2 2/6] MinPlatformPkg: Add SetCacheLib library class.

Nate DeSimone nathaniel.l.desimone at intel.com
Thu Oct 31 01:38:59 UTC 2019


Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>

-----Original Message-----
From: Chiu, Chasel <chasel.chiu at intel.com> 
Sent: Wednesday, October 30, 2019 5:30 PM
To: devel at edk2.groups.io
Cc: Kubacki, Michael A <michael.a.kubacki at intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone at intel.com>; Gao, Liming <liming.gao at intel.com>
Subject: [edk2-platforms: PATCH v2 2/6] MinPlatformPkg: Add SetCacheLib library class.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2314

MinPlatformPkg PlatformInit modules to consume SetCacheLib.

Cc: Michael Kubacki <michael.a.kubacki at intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
Cc: Liming Gao <liming.gao at intel.com>
Signed-off-by: Chasel Chiu <chasel.chiu at intel.com>
---
 Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.c   | 149 +----------------------------------------------------------------------------------------------------------------------------------------------------
 Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c    | 164 ++------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.inf |  11 +----------
 Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf  |   7 ++-----
 4 files changed, 6 insertions(+), 325 deletions(-)

diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.c b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.c
index 70e6b9a495..df64d4fc0d 100644
--- a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.c
+++ b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/Platfor
+++ mInitPostMem.c
@@ -13,8 +13,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent  #include <Library/PeiServicesLib.h>  #include <IndustryStandard/Pci30.h>  #include <Ppi/EndOfPeiPhase.h> -#include <Library/MtrrLib.h> -#include <Guid/SmramMemoryReserve.h>
 
 #include <Guid/FirmwareFileSystem2.h>
 #include <Protocol/FirmwareVolumeBlock.h> @@ -22,6 +20,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent  #include <Library/TimerLib.h>  #include <Library/BoardInitLib.h>  #include <Library/TestPointCheckLib.h>
+#include <Library/SetCacheLib.h>
 
 EFI_STATUS
 EFIAPI
@@ -38,152 +37,6 @@ static EFI_PEI_NOTIFY_DESCRIPTOR  mEndOfPeiNotifyList = {  };
 
 /**
-  Update MTRR setting and set write back as default memory attribute.
-
-  @retval  EFI_SUCCESS  The function completes successfully.
-  @retval  Others       Some error occurs.
-**/
-EFI_STATUS
-EFIAPI
-SetCacheMtrrAfterEndOfPei (
-  VOID
-  )
-{
-  EFI_STATUS                            Status;
-  MTRR_SETTINGS                         MtrrSetting;
-  EFI_PEI_HOB_POINTERS                  Hob;
-  UINT64                                MemoryBase;
-  UINT64                                MemoryLength;
-  UINT64                                Power2Length;
-  EFI_BOOT_MODE                         BootMode;
-  UINTN                                 Index;
-  UINT64                                SmramSize;
-  UINT64                                SmramBase;
-  EFI_SMRAM_HOB_DESCRIPTOR_BLOCK        *SmramHobDescriptorBlock;
-  Status = PeiServicesGetBootMode (&BootMode);
-  ASSERT_EFI_ERROR (Status);
-
-  if (BootMode == BOOT_ON_S3_RESUME) {
-    return EFI_SUCCESS;
-  }
-  //
-  // Clear the CAR Settings
-  //
-  ZeroMem(&MtrrSetting, sizeof(MTRR_SETTINGS));
-
-  //
-  // Default Cachable attribute will be set to WB to support large memory size/hot plug memory
-  //
-  MtrrSetting.MtrrDefType &= ~((UINT64)(0xFF));
-  MtrrSetting.MtrrDefType |= (UINT64) CacheWriteBack;
-
-  //
-  // Set fixed cache for memory range below 1MB
-  //
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                         &MtrrSetting,
-                         0x0,
-                         0xA0000,
-                         CacheWriteBack
-                         );
-  ASSERT_EFI_ERROR (Status);
-
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                         &MtrrSetting,
-                         0xA0000,
-                         0x20000,
-                         CacheUncacheable
-                         );
-  ASSERT_EFI_ERROR (Status);
-
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                         &MtrrSetting,
-                         0xC0000,
-                         0x40000,
-                         CacheWriteProtected
-                         );
-  ASSERT_EFI_ERROR ( Status);
-
-  //
-  // PI SMM IPL can't set SMRAM to WB because at that time CPU ARCH protocol is not available.
-  // Set cacheability of SMRAM to WB here to improve SMRAM initialization performance.
-  //
-  SmramSize = 0;
-  SmramBase = 0;
-  Status = PeiServicesGetHobList ((VOID **) &Hob.Raw);
-  while (!END_OF_HOB_LIST (Hob)) {
-    if (Hob.Header->HobType == EFI_HOB_TYPE_GUID_EXTENSION) {
-      if (CompareGuid (&Hob.Guid->Name, &gEfiSmmSmramMemoryGuid)) {
-        SmramHobDescriptorBlock = (EFI_SMRAM_HOB_DESCRIPTOR_BLOCK *) (Hob.Guid + 1);
-        for (Index = 0; Index < SmramHobDescriptorBlock->NumberOfSmmReservedRegions; Index++) {
-          if (SmramHobDescriptorBlock->Descriptor[Index].PhysicalStart > 0x100000) {
-            SmramSize += SmramHobDescriptorBlock->Descriptor[Index].PhysicalSize;
-            if (SmramBase == 0 || SmramBase > SmramHobDescriptorBlock->Descriptor[Index].CpuStart) {
-              SmramBase = SmramHobDescriptorBlock->Descriptor[Index].CpuStart;
-            }
-          }
-        }
-        break;
-      }
-    }
-    Hob.Raw = GET_NEXT_HOB (Hob);
-  }
-
-  //
-  // Set non system memory as UC
-  //
-  MemoryBase   = 0x100000000;
-
-  //
-  // Add IED size to set whole SMRAM as WB to save MTRR count
-  //
-  MemoryLength = MemoryBase - (SmramBase + SmramSize);
-  while (MemoryLength != 0) {
-    Power2Length = GetPowerOfTwo64 (MemoryLength);
-    MemoryBase -= Power2Length;
-    Status = MtrrSetMemoryAttributeInMtrrSettings (
-                &MtrrSetting,
-                MemoryBase,
-                Power2Length,
-                CacheUncacheable
-                );
-    ASSERT_EFI_ERROR (Status);
-    MemoryLength -= Power2Length;
-  }
-
-  DEBUG ((DEBUG_INFO, "PcdPciReservedMemAbove4GBLimit - 0x%lx\n", PcdGet64 (PcdPciReservedMemAbove4GBLimit)));
-  DEBUG ((DEBUG_INFO, "PcdPciReservedMemAbove4GBBase - 0x%lx\n", PcdGet64 (PcdPciReservedMemAbove4GBBase)));
-  if (PcdGet64 (PcdPciReservedMemAbove4GBLimit) > PcdGet64 (PcdPciReservedMemAbove4GBBase)) {
-    Status = MtrrSetMemoryAttributeInMtrrSettings (
-                           &MtrrSetting,
-                           PcdGet64 (PcdPciReservedMemAbove4GBBase),
-                           PcdGet64 (PcdPciReservedMemAbove4GBLimit) - PcdGet64 (PcdPciReservedMemAbove4GBBase) + 1,
-                           CacheUncacheable
-                           );
-    ASSERT_EFI_ERROR ( Status);
-  }
-
-  DEBUG ((DEBUG_INFO, "PcdPciReservedPMemAbove4GBLimit - 0x%lx\n", PcdGet64 (PcdPciReservedPMemAbove4GBLimit)));
-  DEBUG ((DEBUG_INFO, "PcdPciReservedPMemAbove4GBBase - 0x%lx\n", PcdGet64 (PcdPciReservedPMemAbove4GBBase)));
-  if (PcdGet64 (PcdPciReservedPMemAbove4GBLimit) > PcdGet64 (PcdPciReservedPMemAbove4GBBase)) {
-    Status = MtrrSetMemoryAttributeInMtrrSettings (
-                           &MtrrSetting,
-                           PcdGet64 (PcdPciReservedPMemAbove4GBBase),
-                           PcdGet64 (PcdPciReservedPMemAbove4GBLimit) - PcdGet64 (PcdPciReservedPMemAbove4GBBase) + 1,
-                           CacheUncacheable
-                           );
-    ASSERT_EFI_ERROR ( Status);
-  }
-
-  //
-  // Update MTRR setting from MTRR buffer
-  //
-  MtrrSetAllMtrrs (&MtrrSetting);
-
-  return Status;
-}
-
-/**
   This function handles PlatformInit task at the end of PEI
 
   @param[in]  PeiServices  Pointer to PEI Services Table.
diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c
index 2690511abe..731bc234b0 100644
--- a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c
+++ b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/Platfor
+++ mInitPreMem.c
@@ -1,7 +1,7 @@
 /** @file
   Source code file for Platform Init Pre-Memory PEI module
 
-Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -15,7 +15,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent  #include <Library/TimerLib.h>  #include <Library/BaseMemoryLib.h>  #include <Library/PeiServicesLib.h> -#include <Library/MtrrLib.h>  #include <Library/ReportFvLib.h>  #include <Ppi/ReadOnlyVariable2.h>  #include <Ppi/MemoryDiscovered.h> @@ -26,6 +25,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent  #include <Library/PeiServicesTablePointerLib.h>
 #include <Library/BoardInitLib.h>
 #include <Library/TestPointCheckLib.h>
+#include <Library/SetCacheLib.h>
 #include <Guid/MemoryTypeInformation.h>  #include <Ppi/PlatformMemorySize.h>  #include <Ppi/BaseMemoryTest.h> @@ -319,166 +319,6 @@ Done:
   return EFI_SUCCESS;
 }
 
-/**
-  Set Cache Mtrr.
-**/
-VOID
-SetCacheMtrr (
-  VOID
-  )
-{
-  EFI_STATUS                  Status;
-  EFI_PEI_HOB_POINTERS        Hob;
-  MTRR_SETTINGS               MtrrSetting;
-  UINT64                      MemoryBase;
-  UINT64                      MemoryLength;
-  UINT64                      LowMemoryLength;
-  UINT64                      HighMemoryLength;
-  EFI_BOOT_MODE               BootMode;
-  EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
-  UINT64                      CacheMemoryLength;
-
-  ///
-  /// Reset all MTRR setting.
-  ///
-  ZeroMem(&MtrrSetting, sizeof(MTRR_SETTINGS));
-
-  ///
-  /// Cache the Flash area as WP to boost performance
-  ///
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                &MtrrSetting,
-                (UINTN) PcdGet32 (PcdFlashAreaBaseAddress),
-                (UINTN) PcdGet32 (PcdFlashAreaSize),
-                CacheWriteProtected
-                );
-  ASSERT_EFI_ERROR (Status);
-
-  ///
-  /// Update MTRR setting from MTRR buffer for Flash Region to be WP to boost performance
-  ///
-  MtrrSetAllMtrrs (&MtrrSetting);
-
-  ///
-  /// Set low to 1 MB. Since 1MB cacheability will always be set
-  /// until override by CSM.
-  /// Initialize high memory to 0.
-  ///
-  LowMemoryLength   = 0x100000;
-  HighMemoryLength  = 0;
-  ResourceAttribute = (
-                       EFI_RESOURCE_ATTRIBUTE_PRESENT |
-                       EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
-                       EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
-                       EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
-                       EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
-                       EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE
-                       );
-
-  Status = PeiServicesGetBootMode (&BootMode);
-  ASSERT_EFI_ERROR (Status);
-
-  if (BootMode != BOOT_ON_S3_RESUME) {
-    ResourceAttribute |= EFI_RESOURCE_ATTRIBUTE_TESTED;
-  }
-
-  Status = PeiServicesGetHobList ((VOID **) &Hob.Raw);
-  while (!END_OF_HOB_LIST (Hob)) {
-    if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
-      if ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) ||
-          ((Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) &&
-           (Hob.ResourceDescriptor->ResourceAttribute == ResourceAttribute))
-         ) {
-        if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000000ULL) {
-          HighMemoryLength += Hob.ResourceDescriptor->ResourceLength;
-        } else if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000) {
-          LowMemoryLength += Hob.ResourceDescriptor->ResourceLength;
-        }
-      }
-    }
-
-    Hob.Raw = GET_NEXT_HOB (Hob);
-  }
-
-  DEBUG ((DEBUG_INFO, "Memory Length (Below 4GB) = %lx.\n", LowMemoryLength));
-  DEBUG ((DEBUG_INFO, "Memory Length (Above 4GB) = %lx.\n", HighMemoryLength));
-
-  ///
-  /// Assume size of main memory is multiple of 256MB
-  ///
-  MemoryLength = (LowMemoryLength + 0xFFFFFFF) & 0xF0000000;
-  MemoryBase = 0;
-
-  CacheMemoryLength = MemoryLength;
-  ///
-  /// Programming MTRRs to avoid override SPI region with UC when MAX TOLUD Length >= 3.5GB
-  ///
-  if (MemoryLength > 0xDC000000) {
-     CacheMemoryLength = 0xC0000000;
-     Status = MtrrSetMemoryAttributeInMtrrSettings (
-                &MtrrSetting,
-                MemoryBase,
-                CacheMemoryLength,
-                CacheWriteBack
-                );
-     ASSERT_EFI_ERROR (Status);
-
-     MemoryBase = 0xC0000000;
-     CacheMemoryLength = MemoryLength - 0xC0000000;
-     if (MemoryLength > 0xE0000000) {
-        CacheMemoryLength = 0x20000000;
-        Status = MtrrSetMemoryAttributeInMtrrSettings (
-                 &MtrrSetting,
-                 MemoryBase,
-                 CacheMemoryLength,
-                 CacheWriteBack
-                 );
-        ASSERT_EFI_ERROR (Status);
-
-        MemoryBase = 0xE0000000;
-        CacheMemoryLength = MemoryLength - 0xE0000000;
-     }
-  }
-
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                &MtrrSetting,
-                MemoryBase,
-                CacheMemoryLength,
-                CacheWriteBack
-                );
-  ASSERT_EFI_ERROR (Status);
-
-  if (LowMemoryLength != MemoryLength) {
-     MemoryBase = LowMemoryLength;
-     MemoryLength -= LowMemoryLength;
-     Status = MtrrSetMemoryAttributeInMtrrSettings (
-                   &MtrrSetting,
-                   MemoryBase,
-                   MemoryLength,
-                   CacheUncacheable
-                   );
-      ASSERT_EFI_ERROR (Status);
-  }
-
-  ///
-  /// VGA-MMIO - 0xA0000 to 0xC0000 to be UC
-  ///
-  Status = MtrrSetMemoryAttributeInMtrrSettings (
-                &MtrrSetting,
-                0xA0000,
-                0x20000,
-                CacheUncacheable
-                );
-  ASSERT_EFI_ERROR (Status);
-
-  ///
-  /// Update MTRR setting from MTRR buffer
-  ///
-  MtrrSetAllMtrrs (&MtrrSetting);
-
-  return ;
-}
-
 VOID
 ReportCpuHob (
   VOID
diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.inf b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.inf
index 0736c8d494..a14f20f150 100644
--- a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPostMem.inf
+++ b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/Platfor
+++ mInitPostMem.inf
@@ -23,15 +23,14 @@
   BaseMemoryLib
   HobLib
   PeiServicesLib
-  MtrrLib
   BoardInitLib
   TestPointCheckLib
+  SetCacheLib
 
 [Packages]
   MinPlatformPkg/MinPlatformPkg.dec
   MdeModulePkg/MdeModulePkg.dec
   MdePkg/MdePkg.dec
-  UefiCpuPkg/UefiCpuPkg.dec
 
 [Sources]
   PlatformInitPostMem.c
@@ -44,14 +43,6 @@
 
 [Protocols]
 
-[Guids]
-  gEfiSmmSmramMemoryGuid                        ## CONSUMES
-
 [Depex]
   gEfiPeiMemoryDiscoveredPpiGuid
 
-[Pcd]
-  gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemAbove4GBBase
-  gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemAbove4GBLimit
-  gMinPlatformPkgTokenSpaceGuid.PcdPciReservedPMemAbove4GBBase
-  gMinPlatformPkgTokenSpaceGuid.PcdPciReservedPMemAbove4GBLimit
diff --git a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf
index 2c3a13106e..de5f11f829 100644
--- a/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf
+++ b/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/Platfor
+++ mInitPreMem.inf
@@ -1,7 +1,7 @@
 ### @file
 # Component information file for the Platform Init Pre-Memory PEI module.
 #
-# Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2017 - 2019, Intel Corporation. All rights 
+reserved.<BR>
 #
 # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -22,23 +22,20 @@
   HobLib
   IoLib
   MemoryAllocationLib
-  MtrrLib
   PeimEntryPoint
   PeiServicesLib
   ReportFvLib
   TestPointCheckLib
   TimerLib
+  SetCacheLib
 
 [Packages]
   MinPlatformPkg/MinPlatformPkg.dec
   MdeModulePkg/MdeModulePkg.dec
   MdePkg/MdePkg.dec
-  UefiCpuPkg/UefiCpuPkg.dec
 
 [Pcd]
   gMinPlatformPkgTokenSpaceGuid.PcdFspWrapperBootMode          ## CONSUMES
-  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaBaseAddress        ## CONSUMES
-  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaSize               ## CONSUMES
   gMinPlatformPkgTokenSpaceGuid.PcdStopAfterDebugInit          ## CONSUMES
   gMinPlatformPkgTokenSpaceGuid.PcdStopAfterMemInit            ## CONSUMES
 
--
2.13.3.windows.1


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