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OvmfPkg/PlatformPei: Add Xen support

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* Make PlatformPei aware of Xen
* Fix assigned PIO and MMIO ranges to be compatible with Xen
* Reserve Xen HVM address range
* Publish XenInfo HOB
* Don't program PIIX4 PMBA for Xen

Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Reviewed-by: gavinguan
Signed-off-by: jljusten

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12091 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2011-08-05 15:43:05 +00:00
parent 8379337c91
commit eec7d42017
4 changed files with 197 additions and 14 deletions
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50
OvmfPkg/PlatformPei/Platform.c
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@@ -1,7 +1,9 @@
/**@file
Platform PEI driver
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2011, Andrei Warkentin <andreiw@motorola.com>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -73,6 +75,22 @@ AddIoMemoryBaseSizeHob (
);
}
VOID
AddReservedMemoryBaseSizeHob (
EFI_PHYSICAL_ADDRESS MemoryBase,
UINT64 MemorySize
)
{
BuildResourceDescriptorHob (
EFI_RESOURCE_MEMORY_RESERVED,
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
EFI_RESOURCE_ATTRIBUTE_TESTED,
MemoryBase,
MemorySize
);
}
VOID
AddIoMemoryRangeHob (
@@ -164,19 +182,19 @@ MemMapInitialization (
//
BuildResourceDescriptorHob (
EFI_RESOURCE_IO,
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED,
0x1000,
0xF000
EFI_RESOURCE_ATTRIBUTE_PRESENT |
EFI_RESOURCE_ATTRIBUTE_INITIALIZED,
0xC000,
0x4000
);
//
// Add PCI MMIO space available to PCI resource allocations
//
if (TopOfMemory < BASE_2GB) {
AddIoMemoryBaseSizeHob (BASE_2GB, 0xFEC00000 - BASE_2GB);
AddIoMemoryBaseSizeHob (BASE_2GB, 0xFC000000 - BASE_2GB);
} else {
AddIoMemoryBaseSizeHob (TopOfMemory, 0xFEC00000 - TopOfMemory);
AddIoMemoryBaseSizeHob (TopOfMemory, 0xFC000000 - TopOfMemory);
}
//
@@ -198,6 +216,7 @@ MemMapInitialization (
VOID
MiscInitialization (
BOOLEAN Xen
)
{
//
@@ -210,10 +229,12 @@ MiscInitialization (
//
BuildCpuHob (36, 16);
//
// Set the PM I/O base address to 0x400
//
PciAndThenOr32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40), (UINT32) ~0xfc0, 0x400);
if (!Xen) {
//
// Set the PM I/O base address to 0x400
//
PciAndThenOr32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40), (UINT32) ~0xfc0, 0x400);
}
}
@@ -294,7 +315,9 @@ InitializePlatform (
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS TopOfMemory;
BOOLEAN Xen;
DEBUG ((EFI_D_ERROR, "Platform PEIM Loaded\n"));
@@ -302,13 +325,16 @@ InitializePlatform (
TopOfMemory = MemDetect ();
Status = InitializeXen ();
Xen = EFI_ERROR (Status) ? FALSE : TRUE;
ReserveEmuVariableNvStore ();
PeiFvInitialization ();
MemMapInitialization (TopOfMemory);
MiscInitialization ();
MiscInitialization (Xen);
BootModeInitialization ();