diff options
| author | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-05 15:43:05 +0000 |
|---|---|---|
| committer | jljusten <jljusten@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-05 15:43:05 +0000 |
| commit | eec7d420170b2e3b6a4f1ddd282328483a12de60 (patch) | |
| tree | 5f69b93b624dcba82d35b3f25782664ed843c731 /OvmfPkg/PlatformPei/Platform.c | |
| parent | 8379337c91e3b6da5ebc0d99d4147fb623afcd22 (diff) | |
| download | edk2-platforms-eec7d420170b2e3b6a4f1ddd282328483a12de60.tar.xz | |
OvmfPkg/PlatformPei: Add Xen support
* 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
Diffstat (limited to 'OvmfPkg/PlatformPei/Platform.c')
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.c | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c index 5479b76f4a..d395bc191a 100644 --- a/OvmfPkg/PlatformPei/Platform.c +++ b/OvmfPkg/PlatformPei/Platform.c @@ -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 ();
|