sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdeModulePkg: Update Dxe to handle unaccepted memory type

Browse Source 
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3937

Unaccepted memory is a kind of new memory type,
CoreInitializeGcdServices() and CoreGetMemoryMap() are updated to handle
the unaccepted memory type.

Ref: microsoft/mu_basecore@97e9c31

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Min Xu <min.m.xu@intel.com>
This commit is contained in:
Min M Xu
2022-11-01 13:13:44 +08:00
committed by mergify[bot]
parent 502c01c502
commit 43e306806e
2 changed files with 52 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
MdeModulePkg/Core/Dxe/Mem/Page.c
View File

@@ -9,6 +9,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include "DxeMain.h"
#include "Imem.h"
#include "HeapGuard.h"
#include <Pi/PrePiDxeCis.h>
//
// Entry for tracking the memory regions for each memory type to coalesce similar memory types
@@ -61,6 +62,7 @@ EFI_MEMORY_TYPE_STATISTICS mMemoryTypeStatistics[EfiMaxMemoryType + 1] = {
{ 0, MAX_ALLOC_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiMemoryMappedIOPortSpace
{ 0, MAX_ALLOC_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, TRUE }, // EfiPalCode
{ 0, MAX_ALLOC_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE }, // EfiPersistentMemory
{ 0, MAX_ALLOC_ADDRESS, 0, 0, EfiMaxMemoryType, TRUE, FALSE }, // EfiUnacceptedMemoryType
{ 0, MAX_ALLOC_ADDRESS, 0, 0, EfiMaxMemoryType, FALSE, FALSE } // EfiMaxMemoryType
};
@@ -68,22 +70,23 @@ EFI_PHYSICAL_ADDRESS mDefaultMaximumAddress = MAX_ALLOC_ADDRESS;
EFI_PHYSICAL_ADDRESS mDefaultBaseAddress = MAX_ALLOC_ADDRESS;
EFI_MEMORY_TYPE_INFORMATION gMemoryTypeInformation[EfiMaxMemoryType + 1] = {
{ EfiReservedMemoryType, 0 },
{ EfiLoaderCode, 0 },
{ EfiLoaderData, 0 },
{ EfiBootServicesCode, 0 },
{ EfiBootServicesData, 0 },
{ EfiRuntimeServicesCode, 0 },
{ EfiRuntimeServicesData, 0 },
{ EfiConventionalMemory, 0 },
{ EfiUnusableMemory, 0 },
{ EfiACPIReclaimMemory, 0 },
{ EfiACPIMemoryNVS, 0 },
{ EfiMemoryMappedIO, 0 },
{ EfiMemoryMappedIOPortSpace, 0 },
{ EfiPalCode, 0 },
{ EfiPersistentMemory, 0 },
{ EfiMaxMemoryType, 0 }
{ EfiReservedMemoryType, 0 },
{ EfiLoaderCode, 0 },
{ EfiLoaderData, 0 },
{ EfiBootServicesCode, 0 },
{ EfiBootServicesData, 0 },
{ EfiRuntimeServicesCode, 0 },
{ EfiRuntimeServicesData, 0 },
{ EfiConventionalMemory, 0 },
{ EfiUnusableMemory, 0 },
{ EfiACPIReclaimMemory, 0 },
{ EfiACPIMemoryNVS, 0 },
{ EfiMemoryMappedIO, 0 },
{ EfiMemoryMappedIOPortSpace, 0 },
{ EfiPalCode, 0 },
{ EfiPersistentMemory, 0 },
{ EFI_GCD_MEMORY_TYPE_UNACCEPTED, 0 },
{ EfiMaxMemoryType, 0 }
};
//
// Only used when load module at fixed address feature is enabled. True means the memory is alreay successfully allocated
@@ -1286,7 +1289,7 @@ CoreInternalAllocatePages (
}
if (((MemoryType >= EfiMaxMemoryType) && (MemoryType < MEMORY_TYPE_OEM_RESERVED_MIN)) ||
(MemoryType == EfiConventionalMemory) || (MemoryType == EfiPersistentMemory))
(MemoryType == EfiConventionalMemory) || (MemoryType == EfiPersistentMemory) || (MemoryType == EfiUnacceptedMemoryType))
{
return EFI_INVALID_PARAMETER;
}
@@ -1961,6 +1964,32 @@ CoreGetMemoryMap (
MemoryMap = MergeMemoryMapDescriptor (MemoryMapStart, MemoryMap, Size);
}
if (MergeGcdMapEntry.GcdMemoryType == EFI_GCD_MEMORY_TYPE_UNACCEPTED) {
//
// Page Align GCD range is required. When it is converted to EFI_MEMORY_DESCRIPTOR,
// it will be recorded as page PhysicalStart and NumberOfPages.
//
ASSERT ((MergeGcdMapEntry.BaseAddress & EFI_PAGE_MASK) == 0);
ASSERT (((MergeGcdMapEntry.EndAddress - MergeGcdMapEntry.BaseAddress + 1) & EFI_PAGE_MASK) == 0);
//
// Create EFI_MEMORY_DESCRIPTOR for every Unaccepted GCD entries
//
MemoryMap->PhysicalStart = MergeGcdMapEntry.BaseAddress;
MemoryMap->VirtualStart = 0;
MemoryMap->NumberOfPages = RShiftU64 ((MergeGcdMapEntry.EndAddress - MergeGcdMapEntry.BaseAddress + 1), EFI_PAGE_SHIFT);
MemoryMap->Attribute = MergeGcdMapEntry.Attributes |
(MergeGcdMapEntry.Capabilities & (EFI_MEMORY_RP | EFI_MEMORY_WP | EFI_MEMORY_XP | EFI_MEMORY_RO |
EFI_MEMORY_UC | EFI_MEMORY_UCE | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB));
MemoryMap->Type = EfiUnacceptedMemoryType;
//
// Check to see if the new Memory Map Descriptor can be merged with an
// existing descriptor if they are adjacent and have the same attributes
//
MemoryMap = MergeMemoryMapDescriptor (MemoryMapStart, MemoryMap, Size);
}
if (Link == &mGcdMemorySpaceMap) {
//
// break loop when arrive at head.