24465c380a
When running as a Xen PVH guest, there is no CMOS to read the memory size from. Rework GetSystemMemorySize(Below|Above)4gb() so they can work without CMOS by reading the e820 table. Rework XenPublishRamRegions to also care for the reserved and ACPI entry in the e820 table. The region that was added by InitializeXen() isn't needed as that same entry is in the e820 table provided by hvmloader. MTRR settings aren't modified anymore, on HVM it's already done by hvmloader, on PVH it is supposed to have sane default. MTRR will need to be done properly but keeping what's already been done by programs that have run before OVMF will do for now. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20190813113119.14804-24-anthony.perard@citrix.com>
137 lines
2.0 KiB
C
137 lines
2.0 KiB
C
/** @file
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Platform PEI module include file.
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Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2019, Citrix Systems, Inc.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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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AddReservedMemoryBaseSizeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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UINT64 MemorySize,
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BOOLEAN Cacheable
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);
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VOID
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AddReservedMemoryRangeHob (
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EFI_PHYSICAL_ADDRESS MemoryBase,
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EFI_PHYSICAL_ADDRESS MemoryLimit,
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BOOLEAN Cacheable
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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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VOID
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Q35TsegMbytesInitialization (
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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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VOID
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InstallClearCacheCallback (
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VOID
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);
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EFI_STATUS
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XenConnect (
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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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BOOLEAN
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XenHvmloaderDetected (
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VOID
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);
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BOOLEAN
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XenPvhDetected (
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VOID
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);
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VOID
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AmdSevInitialize (
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VOID
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);
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VOID
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XenPublishRamRegions (
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VOID
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);
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EFI_STATUS
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XenGetE820Map (
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EFI_E820_ENTRY64 **Entries,
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UINT32 *Count
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);
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extern EFI_BOOT_MODE mBootMode;
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extern UINT8 mPhysMemAddressWidth;
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extern UINT16 mHostBridgeDevId;
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#endif // _PLATFORM_PEI_H_INCLUDED_
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