From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com []) by mx.groups.io with SMTP id smtpd.web11.718.1572481837056118480 for ; Wed, 30 Oct 2019 17:30:38 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=fail (domain: intel.com, ip: , mailfrom: chasel.chiu@intel.com) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Oct 2019 17:30:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,248,1569308400"; d="scan'208";a="203359787" Received: from cchiu4-mobl1.gar.corp.intel.com ([10.5.240.37]) by orsmga003.jf.intel.com with ESMTP; 30 Oct 2019 17:30:27 -0700 From: "Chiu, Chasel" To: devel@edk2.groups.io Cc: Michael Kubacki , Nate DeSimone , Liming Gao Subject: [edk2-platforms: PATCH v2 1/6] MinPlatformPkg: Add SetCacheLib library class. Date: Thu, 31 Oct 2019 08:29:47 +0800 Message-Id: <20191031002952.3860-2-chasel.chiu@intel.com> X-Mailer: git-send-email 2.13.3.windows.1 In-Reply-To: <20191031002952.3860-1-chasel.chiu@intel.com> References: <20191031002952.3860-1-chasel.chiu@intel.com> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2314 MinPlatformPkg should contain the library class header (API) and the NULL library class instance. Cc: Michael Kubacki Cc: Nate DeSimone Cc: Liming Gao Signed-off-by: Chasel Chiu --- Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.c | 325 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.c | 37 +++++++++++++++++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/Include/Library/SetCacheLib.h | 34 ++++++++++++++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.inf | 44 ++++++++++++++++++++++++++++++++++++++++++++ Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.inf | 30 ++++++++++++++++++++++++++++++ 5 files changed, 470 insertions(+) diff --git a/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.c b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.c new file mode 100644 index 0000000000..b5c5041430 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.c @@ -0,0 +1,325 @@ +/** @file + +SetCache library functions. + +Copyright (c) 2019, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/** + Set Cache Mtrr. +**/ +VOID +EFIAPI +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 ; +} + +/** + 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; +} diff --git a/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.c b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.c new file mode 100644 index 0000000000..581bc7648b --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.c @@ -0,0 +1,37 @@ +/** @file + +NULL instances of SetCache library functions. + +Copyright (c) 2019, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include +#include +#include + +/** + Set Cache Mtrr. +**/ +VOID +EFIAPI +SetCacheMtrr ( + VOID + ) +{ + return; +} + +/** + Update MTRR setting and set write back as default memory attribute. + + @retval EFI_SUCCESS The function completes successfully. +**/ +EFI_STATUS +EFIAPI +SetCacheMtrrAfterEndOfPei ( + VOID + ) +{ + return EFI_SUCCESS; +} diff --git a/Platform/Intel/MinPlatformPkg/Include/Library/SetCacheLib.h b/Platform/Intel/MinPlatformPkg/Include/Library/SetCacheLib.h new file mode 100644 index 0000000000..d67426cef7 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Include/Library/SetCacheLib.h @@ -0,0 +1,34 @@ +/** @file + +Header for SetCache library functions. + +Copyright (c) 2019, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _SET_CACHE_LIB_H_ +#define _SET_CACHE_LIB_H_ + +/** + Set Cache Mtrr. +**/ +VOID +EFIAPI +SetCacheMtrr ( + VOID + ); + +/** + 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 + ); + +#endif diff --git a/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.inf b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.inf new file mode 100644 index 0000000000..a53aed858f --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLib.inf @@ -0,0 +1,44 @@ +## @file +# Component information file for Platform SetCache Library +# +# Copyright (c) 2019, Intel Corporation. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = SetCacheLib + FILE_GUID = 9F2A2899-3AD7-4176-9B89-33B3AC456A99 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = SetCacheLib + +[LibraryClasses] + BaseLib + PcdLib + DebugLib + HobLib + MtrrLib + PeiServicesLib + BaseMemoryLib + +[Packages] + MinPlatformPkg/MinPlatformPkg.dec + MdePkg/MdePkg.dec + UefiCpuPkg/UefiCpuPkg.dec + +[Sources] + SetCacheLib.c + +[Guids] + gEfiSmmSmramMemoryGuid ## CONSUMES + +[Pcd] + gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaBaseAddress ## CONSUMES + gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaSize ## CONSUMES + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemAbove4GBBase ## CONSUMES + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedMemAbove4GBLimit ## CONSUMES + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedPMemAbove4GBBase ## CONSUMES + gMinPlatformPkgTokenSpaceGuid.PcdPciReservedPMemAbove4GBLimit ## CONSUMES diff --git a/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.inf b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.inf new file mode 100644 index 0000000000..50419b398b --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Library/SetCacheLib/SetCacheLibNull.inf @@ -0,0 +1,30 @@ +## @file +# Component information file for Platform SetCache Library +# +# Copyright (c) 2019, Intel Corporation. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = SetCacheLibNull + FILE_GUID = D1ED4CD7-AD20-4943-9192-3ABE766A9411 + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = SetCacheLib + +[LibraryClasses] + BaseLib + PcdLib + DebugLib + +[Packages] + MinPlatformPkg/MinPlatformPkg.dec + MdePkg/MdePkg.dec + +[Sources] + SetCacheLibNull.c + +[Pcd] -- 2.13.3.windows.1