diff options
Diffstat (limited to 'OvmfPkg/AcpiPlatformDxe/Xen.c')
| -rw-r--r-- | OvmfPkg/AcpiPlatformDxe/Xen.c | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/OvmfPkg/AcpiPlatformDxe/Xen.c b/OvmfPkg/AcpiPlatformDxe/Xen.c deleted file mode 100644 index be2c5d6958..0000000000 --- a/OvmfPkg/AcpiPlatformDxe/Xen.c +++ /dev/null @@ -1,315 +0,0 @@ -/** @file
- OVMF ACPI Xen support
-
- Copyright (c) 2008 - 2012, Intel Corporation. All rights reserved.<BR>
- Copyright (c) 2012, Bei Guan <gbtju85@gmail.com>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Library/BaseLib.h> // CpuDeadLoop()
-#include <Library/DebugLib.h> // DEBUG()
-#include <Library/XenPlatformLib.h> // XenGetInfoHOB()
-
-#include "AcpiPlatform.h"
-
-#define XEN_ACPI_PHYSICAL_ADDRESS 0x000EA020
-#define XEN_BIOS_PHYSICAL_END 0x000FFFFF
-
-EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *XenAcpiRsdpStructurePtr = NULL;
-
-/**
- Get the address of Xen ACPI Root System Description Pointer (RSDP)
- structure.
-
- @param RsdpStructurePtr Return pointer to RSDP structure
-
- @return EFI_SUCCESS Find Xen RSDP structure successfully.
- @return EFI_NOT_FOUND Don't find Xen RSDP structure.
- @return EFI_ABORTED Find Xen RSDP structure, but it's not integrated.
-
-**/
-EFI_STATUS
-EFIAPI
-GetXenAcpiRsdp (
- OUT EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER **RsdpPtr
- )
-{
- EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *RsdpStructurePtr;
- UINT8 *XenAcpiPtr;
- UINT8 Sum;
- EFI_XEN_INFO *XenInfo;
-
- //
- // Detect the RSDP structure
- //
-
- //
- // First look for PVH one
- //
- XenInfo = XenGetInfoHOB ();
- ASSERT (XenInfo != NULL);
- if (XenInfo->RsdpPvh != NULL) {
- DEBUG ((DEBUG_INFO, "%a: Use ACPI RSDP table at 0x%p\n",
- gEfiCallerBaseName, XenInfo->RsdpPvh));
- *RsdpPtr = XenInfo->RsdpPvh;
- return EFI_SUCCESS;
- }
-
- //
- // Otherwise, look for the HVM one
- //
- for (XenAcpiPtr = (UINT8*)(UINTN) XEN_ACPI_PHYSICAL_ADDRESS;
- XenAcpiPtr < (UINT8*)(UINTN) XEN_BIOS_PHYSICAL_END;
- XenAcpiPtr += 0x10) {
-
- RsdpStructurePtr = (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER *)
- (UINTN) XenAcpiPtr;
-
- if (!AsciiStrnCmp ((CHAR8 *) &RsdpStructurePtr->Signature, "RSD PTR ", 8)) {
- //
- // RSDP ACPI 1.0 checksum for 1.0/2.0/3.0 table.
- // This is only the first 20 bytes of the structure
- //
- Sum = CalculateSum8 (
- (CONST UINT8 *)RsdpStructurePtr,
- sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER)
- );
- if (Sum != 0) {
- return EFI_ABORTED;
- }
-
- if (RsdpStructurePtr->Revision >= 2) {
- //
- // RSDP ACPI 2.0/3.0 checksum, this is the entire table
- //
- Sum = CalculateSum8 (
- (CONST UINT8 *)RsdpStructurePtr,
- sizeof (EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER)
- );
- if (Sum != 0) {
- return EFI_ABORTED;
- }
- }
- *RsdpPtr = RsdpStructurePtr;
- return EFI_SUCCESS;
- }
- }
-
- return EFI_NOT_FOUND;
-}
-
-/**
- Get Xen Acpi tables from the RSDP structure. And installs Xen ACPI tables
- into the RSDT/XSDT using InstallAcpiTable. Some signature of the installed
- ACPI tables are: FACP, APIC, HPET, WAET, SSDT, FACS, DSDT.
-
- @param AcpiProtocol Protocol instance pointer.
-
- @return EFI_SUCCESS The table was successfully inserted.
- @return EFI_INVALID_PARAMETER Either AcpiTableBuffer is NULL, TableHandle is
- NULL, or AcpiTableBufferSize and the size
- field embedded in the ACPI table pointed to
- by AcpiTableBuffer are not in sync.
- @return EFI_OUT_OF_RESOURCES Insufficient resources exist to complete the request.
-
-**/
-EFI_STATUS
-EFIAPI
-InstallXenTables (
- IN EFI_ACPI_TABLE_PROTOCOL *AcpiProtocol
- )
-{
- EFI_STATUS Status;
- UINTN TableHandle;
-
- EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
- EFI_ACPI_DESCRIPTION_HEADER *Xsdt;
- VOID *CurrentTableEntry;
- UINTN CurrentTablePointer;
- EFI_ACPI_DESCRIPTION_HEADER *CurrentTable;
- UINTN Index;
- UINTN NumberOfTableEntries;
- EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt2Table;
- EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *Fadt1Table;
- EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs2Table;
- EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *Facs1Table;
- EFI_ACPI_DESCRIPTION_HEADER *DsdtTable;
-
- Fadt2Table = NULL;
- Fadt1Table = NULL;
- Facs2Table = NULL;
- Facs1Table = NULL;
- DsdtTable = NULL;
- TableHandle = 0;
- NumberOfTableEntries = 0;
-
- //
- // Try to find Xen ACPI tables
- //
- Status = GetXenAcpiRsdp (&XenAcpiRsdpStructurePtr);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // If XSDT table is find, just install its tables.
- // Otherwise, try to find and install the RSDT tables.
- //
- if (XenAcpiRsdpStructurePtr->XsdtAddress) {
- //
- // Retrieve the addresses of XSDT and
- // calculate the number of its table entries.
- //
- Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN)
- XenAcpiRsdpStructurePtr->XsdtAddress;
- NumberOfTableEntries = (Xsdt->Length -
- sizeof (EFI_ACPI_DESCRIPTION_HEADER)) /
- sizeof (UINT64);
-
- //
- // Install ACPI tables found in XSDT.
- //
- for (Index = 0; Index < NumberOfTableEntries; Index++) {
- //
- // Get the table entry from XSDT
- //
- CurrentTableEntry = (VOID *) ((UINT8 *) Xsdt +
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) +
- Index * sizeof (UINT64));
- CurrentTablePointer = (UINTN) *(UINT64 *)CurrentTableEntry;
- CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTablePointer;
-
- //
- // Install the XSDT tables
- //
- Status = InstallAcpiTable (
- AcpiProtocol,
- CurrentTable,
- CurrentTable->Length,
- &TableHandle
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Get the FACS and DSDT table address from the table FADT
- //
- if (!AsciiStrnCmp ((CHAR8 *) &CurrentTable->Signature, "FACP", 4)) {
- Fadt2Table = (EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE *)
- (UINTN) CurrentTablePointer;
- Facs2Table = (EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)
- (UINTN) Fadt2Table->FirmwareCtrl;
- DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Fadt2Table->Dsdt;
- }
- }
- }
- else if (XenAcpiRsdpStructurePtr->RsdtAddress) {
- //
- // Retrieve the addresses of RSDT and
- // calculate the number of its table entries.
- //
- Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN)
- XenAcpiRsdpStructurePtr->RsdtAddress;
- NumberOfTableEntries = (Rsdt->Length -
- sizeof (EFI_ACPI_DESCRIPTION_HEADER)) /
- sizeof (UINT32);
-
- //
- // Install ACPI tables found in XSDT.
- //
- for (Index = 0; Index < NumberOfTableEntries; Index++) {
- //
- // Get the table entry from RSDT
- //
- CurrentTableEntry = (UINT32 *) ((UINT8 *) Rsdt +
- sizeof (EFI_ACPI_DESCRIPTION_HEADER) +
- Index * sizeof (UINT32));
- CurrentTablePointer = *(UINT32 *)CurrentTableEntry;
- CurrentTable = (EFI_ACPI_DESCRIPTION_HEADER *) CurrentTablePointer;
-
- //
- // Install the RSDT tables
- //
- Status = InstallAcpiTable (
- AcpiProtocol,
- CurrentTable,
- CurrentTable->Length,
- &TableHandle
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Get the FACS and DSDT table address from the table FADT
- //
- if (!AsciiStrnCmp ((CHAR8 *) &CurrentTable->Signature, "FACP", 4)) {
- Fadt1Table = (EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE *)
- (UINTN) CurrentTablePointer;
- Facs1Table = (EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)
- (UINTN) Fadt1Table->FirmwareCtrl;
- DsdtTable = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Fadt1Table->Dsdt;
- }
- }
- }
-
- //
- // Install the FACS table.
- //
- if (Fadt2Table) {
- //
- // FACS 2.0
- //
- Status = InstallAcpiTable (
- AcpiProtocol,
- Facs2Table,
- Facs2Table->Length,
- &TableHandle
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
- else if (Fadt1Table) {
- //
- // FACS 1.0
- //
- Status = InstallAcpiTable (
- AcpiProtocol,
- Facs1Table,
- Facs1Table->Length,
- &TableHandle
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- //
- // Install DSDT table. If we reached this point without finding the DSDT,
- // then we're out of sync with the hypervisor, and cannot continue.
- //
- if (DsdtTable == NULL) {
- DEBUG ((DEBUG_ERROR, "%a: no DSDT found\n", __FUNCTION__));
- ASSERT (FALSE);
- CpuDeadLoop ();
- }
-
- Status = InstallAcpiTable (
- AcpiProtocol,
- DsdtTable,
- DsdtTable->Length,
- &TableHandle
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
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