bc89fe4879
We'll soon increase the maximum guest-physical RAM size supported by OVMF. For more RAM, the DXE IPL is going to build more page tables, and for that it's going to need a bigger chunk from the permanent PEI RAM. Otherwise CreateIdentityMappingPageTables() would fail with: > DXE IPL Entry > Loading PEIM at 0x000BFF61000 EntryPoint=0x000BFF61260 DxeCore.efi > Loading DXE CORE at 0x000BFF61000 EntryPoint=0x000BFF61260 > AllocatePages failed: No 0x40201 Pages is available. > There is only left 0x3F1F pages memory resource to be allocated. > ASSERT .../MdeModulePkg/Core/DxeIplPeim/X64/VirtualMemory.c(123): > BigPageAddress != 0 (The above example belongs to the artificially high, maximal address width of 52, clamped by the DXE core to 48. The address width of 48 bits corresponds to 256 TB or RAM, and requires a bit more than 1GB for paging structures.) Cc: Maoming <maoming.maoming@huawei.com> Cc: Huangpeng (Peter) <peter.huangpeng@huawei.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: Brian J. Johnson <bjohnson@sgi.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Brian J. Johnson <bjohnson@sgi.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17719 6f19259b-4bc3-4df7-8a09-765794883524
111 lines
2.0 KiB
C
111 lines
2.0 KiB
C
/** @file
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Platform PEI module include file.
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Copyright (c) 2006 - 2014, 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 of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _PLATFORM_PEI_H_INCLUDED_
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#define _PLATFORM_PEI_H_INCLUDED_
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#include <IndustryStandard/E820.h>
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VOID
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AddIoMemoryBaseSizeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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UINT64 MemorySize
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);
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VOID
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AddIoMemoryRangeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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EFI_PHYSICAL_ADDRESS MemoryLimit
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);
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VOID
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AddMemoryBaseSizeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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UINT64 MemorySize
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);
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VOID
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AddMemoryRangeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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EFI_PHYSICAL_ADDRESS MemoryLimit
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);
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VOID
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AddUntestedMemoryBaseSizeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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UINT64 MemorySize
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);
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VOID
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AddReservedMemoryBaseSizeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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UINT64 MemorySize
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);
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VOID
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AddUntestedMemoryRangeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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EFI_PHYSICAL_ADDRESS MemoryLimit
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);
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VOID
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AddressWidthInitialization (
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VOID
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);
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EFI_STATUS
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PublishPeiMemory (
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VOID
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);
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UINT32
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GetSystemMemorySizeBelow4gb (
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VOID
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);
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VOID
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InitializeRamRegions (
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VOID
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);
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EFI_STATUS
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PeiFvInitialization (
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VOID
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);
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EFI_STATUS
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InitializeXen (
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VOID
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);
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BOOLEAN
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XenDetect (
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VOID
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);
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extern BOOLEAN mXen;
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VOID
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XenPublishRamRegions (
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VOID
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);
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extern EFI_BOOT_MODE mBootMode;
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extern BOOLEAN mS3Supported;
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extern UINT8 mPhysMemAddressWidth;
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#endif // _PLATFORM_PEI_H_INCLUDED_
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