mirror of https://github.com/acidanthera/audk.git
IntelFrameworkModule/LegacyBios: Use reserved memory for legacy data
Certain Legacy USB implementation needs to access legacy data (BDA, etc.) from SMM environment. While currently it's not allowed to access BS memory from SMM after EndofDxe, change the legacy data to use reserved memory type. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
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Ruiyu Ni
parent
7cd8a57599
commit
b22a62be5c
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@ -1,6 +1,6 @@
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/** @file
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Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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@ -43,10 +43,10 @@ UINTN mStructureTablePages = 0;
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BOOLEAN mEndOfDxe = FALSE;
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/**
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Do an AllocatePages () of type AllocateMaxAddress for EfiBootServicesCode
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memory.
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Allocate memory for legacy usage.
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@param AllocateType Allocated Legacy Memory Type
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@param AllocateType The type of allocation to perform.
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@param MemoryType The type of memory to allocate.
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@param StartPageAddress Start address of range
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@param Pages Number of pages to allocate
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@param Result Result of allocation
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@ -58,6 +58,7 @@ BOOLEAN mEndOfDxe = FALSE;
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EFI_STATUS
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AllocateLegacyMemory (
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IN EFI_ALLOCATE_TYPE AllocateType,
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IN EFI_MEMORY_TYPE MemoryType,
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IN EFI_PHYSICAL_ADDRESS StartPageAddress,
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IN UINTN Pages,
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OUT EFI_PHYSICAL_ADDRESS *Result
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@ -72,7 +73,7 @@ AllocateLegacyMemory (
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MemPage = (EFI_PHYSICAL_ADDRESS) (UINTN) StartPageAddress;
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Status = gBS->AllocatePages (
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AllocateType,
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EfiBootServicesCode,
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MemoryType,
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Pages,
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&MemPage
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);
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@ -974,6 +975,7 @@ LegacyBiosInstall (
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//
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AllocateLegacyMemory (
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AllocateAddress,
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EfiReservedMemoryType,
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0,
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1,
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&MemoryAddress
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@ -999,6 +1001,7 @@ LegacyBiosInstall (
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Status = AllocateLegacyMemory (
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AllocateAddress,
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EfiReservedMemoryType,
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CONVENTIONAL_MEMORY_TOP - MemorySize,
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EFI_SIZE_TO_PAGES (MemorySize),
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&MemoryAddress
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@ -1027,6 +1030,7 @@ LegacyBiosInstall (
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for (MemStart = MemoryAddress; MemStart < MemoryAddress + MemorySize; MemStart += 0x1000) {
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Status = AllocateLegacyMemory (
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AllocateAddress,
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EfiBootServicesCode,
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MemStart,
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1,
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&StartAddress
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@ -1046,6 +1050,7 @@ LegacyBiosInstall (
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ASSERT ((MemorySize & 0xFFF) == 0);
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Status = AllocateLegacyMemory (
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AllocateMaxAddress,
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EfiBootServicesCode,
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CONVENTIONAL_MEMORY_TOP,
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EFI_SIZE_TO_PAGES (MemorySize),
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&MemoryAddressUnder1MB
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@ -1059,6 +1064,7 @@ LegacyBiosInstall (
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//
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Status = AllocateLegacyMemory (
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AllocateMaxAddress,
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EfiReservedMemoryType,
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CONVENTIONAL_MEMORY_TOP,
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(sizeof (LOW_MEMORY_THUNK) / EFI_PAGE_SIZE) + 2,
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&MemoryAddress
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@ -1086,6 +1092,7 @@ LegacyBiosInstall (
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//
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Status = AllocateLegacyMemory (
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AllocateMaxAddress,
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EfiBootServicesCode,
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0x1000000,
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EFI_SIZE_TO_PAGES (MemorySize),
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&MemoryAddress
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@ -1096,6 +1103,7 @@ LegacyBiosInstall (
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//
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Status = AllocateLegacyMemory (
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AllocateMaxAddress,
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EfiBootServicesCode,
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0xFFFFFFFF,
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EFI_SIZE_TO_PAGES (MemorySize),
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&MemoryAddress
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@ -1,6 +1,6 @@
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/** @file
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Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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@ -1261,10 +1261,10 @@ GenerateSoftInit (
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);
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/**
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Do an AllocatePages () of type AllocateMaxAddress for EfiBootServicesCode
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memory.
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Allocate memory for legacy usage.
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@param AllocateType Allocated Legacy Memory Type
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@param AllocateType The type of allocation to perform.
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@param MemoryType The type of memory to allocate.
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@param StartPageAddress Start address of range
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@param Pages Number of pages to allocate
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@param Result Result of allocation
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@ -1276,6 +1276,7 @@ GenerateSoftInit (
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EFI_STATUS
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AllocateLegacyMemory (
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IN EFI_ALLOCATE_TYPE AllocateType,
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IN EFI_MEMORY_TYPE MemoryType,
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IN EFI_PHYSICAL_ADDRESS StartPageAddress,
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IN UINTN Pages,
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OUT EFI_PHYSICAL_ADDRESS *Result
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