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OvmfPkg/AcpiPlatformDxe: Add Xen ACPI tables support

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This patch adds Xen ACPI tables support to OVMF.
Use EFI_ACPI_TABLE_PROTOCOL to publish all Xen ACPI tables in OVMF,
while keeping the Qemu and KVM support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Bei Guan <gbtju85@gmail.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13541 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
2012-07-18 22:33:33 +00:00
parent ad07c107f7
commit 377e758c3f
3 changed files with 370 additions and 52 deletions
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97
OvmfPkg/AcpiPlatformDxe/AcpiPlatform.c
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@@ -78,12 +78,9 @@ LocateFvInstanceWithTables (
return Status;
}
//
// Looking for FV with ACPI storage file
//
for (Index = 0; Index < NumberOfHandles; Index++) {
//
// Get the protocol on this handle
@@ -160,52 +157,34 @@ AcpiPlatformChecksum (
Buffer[ChecksumOffset] = CalculateCheckSum8(Buffer, Size);
}
/**
Entrypoint of Acpi Platform driver.
Find ACPI tables in an FV and parses them. This function is useful for QEMU and KVM.
@param ImageHandle
@param SystemTable
@return EFI_SUCCESS
@return EFI_LOAD_ERROR
@return EFI_OUT_OF_RESOURCES
@param AcpiTable Protocol instance pointer
**/
EFI_STATUS
EFIAPI
AcpiPlatformEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
FindAcpiTablesInFv (
IN EFI_ACPI_TABLE_PROTOCOL *AcpiTable
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
INTN Instance;
EFI_ACPI_COMMON_HEADER *CurrentTable;
UINTN TableHandle;
UINT32 FvStatus;
UINTN TableSize;
UINTN Size;
EFI_ACPI_TABLE_INSTALL_ACPI_TABLE TableInstallFunction;
EFI_STATUS Status;
EFI_FIRMWARE_VOLUME2_PROTOCOL *FwVol;
INTN Instance;
EFI_ACPI_COMMON_HEADER *CurrentTable;
UINTN TableHandle;
UINT32 FvStatus;
UINTN TableSize;
UINTN Size;
EFI_ACPI_TABLE_INSTALL_ACPI_TABLE TableInstallFunction;
Instance = 0;
CurrentTable = NULL;
TableHandle = 0;
//
// Find the AcpiTable protocol
//
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
if (QemuDetected ()) {
TableInstallFunction = QemuInstallAcpiTable;
} else if (XenDetected ()) {
TableInstallFunction = XenInstallAcpiTable;
} else {
TableInstallFunction = InstallAcpiTable;
}
@@ -231,7 +210,7 @@ AcpiPlatformEntryPoint (
&Size,
&FvStatus
);
if (!EFI_ERROR(Status)) {
if (!EFI_ERROR (Status)) {
//
// Add the table
//
@@ -275,3 +254,51 @@ AcpiPlatformEntryPoint (
return EFI_SUCCESS;
}
/**
Entrypoint of Acpi Platform driver.
@param ImageHandle
@param SystemTable
@return EFI_SUCCESS
@return EFI_LOAD_ERROR
@return EFI_OUT_OF_RESOURCES
**/
EFI_STATUS
EFIAPI
AcpiPlatformEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
//
// Find the AcpiTable protocol
//
Status = gBS->LocateProtocol (
&gEfiAcpiTableProtocolGuid,
NULL,
(VOID**)&AcpiTable
);
if (EFI_ERROR (Status)) {
return EFI_ABORTED;
}
if (XenDetected ()) {
Status = InstallXenTables (AcpiTable);
if (EFI_ERROR (Status)) {
Status = FindAcpiTablesInFv (AcpiTable);
}
} else {
Status = FindAcpiTablesInFv (AcpiTable);
}
if (EFI_ERROR (Status)) {
return Status;
}
return EFI_SUCCESS;
}