ac0a286f4d
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the OvmfPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Andrew Fish <afish@apple.com>
319 lines
10 KiB
C
319 lines
10 KiB
C
/** @file
|
|
OVMF ACPI Xen support
|
|
|
|
Copyright (C) 2021, Red Hat, Inc.
|
|
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 = AcpiProtocol->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 = AcpiProtocol->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 = AcpiProtocol->InstallAcpiTable (
|
|
AcpiProtocol,
|
|
Facs2Table,
|
|
Facs2Table->Length,
|
|
&TableHandle
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
} else if (Fadt1Table) {
|
|
//
|
|
// FACS 1.0
|
|
//
|
|
Status = AcpiProtocol->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 = AcpiProtocol->InstallAcpiTable (
|
|
AcpiProtocol,
|
|
DsdtTable,
|
|
DsdtTable->Length,
|
|
&TableHandle
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|