/** @file
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*
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* Copyright (c) 2018, Hisilicon Limited. All rights reserved.
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* Copyright (c) 2018, Linaro Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#include "ErrorSource/Ghes.h"
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#include "Hest.h"
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#include <IndustryStandard/Acpi62.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <PlatformArch.h>
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EFI_STATUS HestAddErrorSourceDescriptor (
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IN OUT HEST_CONTEXT *Context,
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IN VOID *ErrorSourceDescriptor,
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IN UINT32 SizeOfDescriptor
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)
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{
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UINT16 *pSourceId;
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VOID *Descriptor;
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EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
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if ((Context == NULL) || (ErrorSourceDescriptor == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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HestHeader = Context->HestHeader;
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if (HestHeader->Header.Length + SizeOfDescriptor > Context->OccupiedMemorySize) {
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DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: Hest Size Too small\n", __FUNCTION__, __LINE__));
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return EFI_BUFFER_TOO_SMALL;
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}
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Descriptor = (UINT8*)HestHeader + HestHeader->Header.Length;
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gBS->CopyMem ((VOID*)Descriptor , ErrorSourceDescriptor, SizeOfDescriptor);
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pSourceId = Descriptor + sizeof (UINT16);
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*pSourceId = HestHeader->ErrorSourceCount;
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HestHeader->Header.Length += SizeOfDescriptor;
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HestHeader->ErrorSourceCount++;
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Context->KeyErrorSource = Descriptor;
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return EFI_SUCCESS;
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}
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VOID
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HestSetAcpiTable (
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IN HEST_CONTEXT *Context
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)
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{
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UINTN AcpiTableHandle;
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EFI_STATUS Status;
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UINT8 Checksum;
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EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER *HestHeader;
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EFI_ACPI_SDT_HEADER *Table;
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EFI_ACPI_TABLE_VERSION TableVersion;
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UINTN TableKey;
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UINT32 Index;
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if (Context == NULL) {
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DEBUG ((DEBUG_ERROR, "[%a]:[%dL]: ERROR\n", __FUNCTION__, __LINE__));
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return;
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}
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HestHeader = Context->HestHeader;
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Checksum = CalculateCheckSum8 ((UINT8*)(HestHeader), HestHeader->Header.Length);
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HestHeader->Header.Checksum = Checksum;
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AcpiTableHandle = 0;
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// see AcpiTableProtocol.c InstallAcpiTable
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Status = mAcpiTableProtocol->InstallAcpiTable (
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mAcpiTableProtocol,
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HestHeader,
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HestHeader->Header.Length,
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&AcpiTableHandle);
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for (Index = 0; Index < EFI_ACPI_MAX_NUM_TABLES; Index++) {
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Status = mAcpiSdtProtocol->GetAcpiTable (Index, &Table, &TableVersion, &TableKey);
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if (EFI_ERROR (Status)) {
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break;
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}
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if (Table->Signature != EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE) {
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continue;
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}
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mApeiTrustedfirmwareData->HestTableAddress = (EFI_PHYSICAL_ADDRESS)Table;
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DEBUG ((DEBUG_INFO, "Acpi HestSetAcpiTable Table = 0x%x.\n", (EFI_PHYSICAL_ADDRESS)Table));
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}
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DEBUG ((DEBUG_INFO, "[%a]:[%dL]:OUT %llx, IN %llx \n", __FUNCTION__, __LINE__,
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AcpiTableHandle, Context->HestHeader));
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return;
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}
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EFI_STATUS
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HestHeaderCreator (
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HEST_CONTEXT *Context,
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UINT32 PreAllocatedHestSize
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)
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{
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if (PreAllocatedHestSize < sizeof (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER)) {
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return EFI_BUFFER_TOO_SMALL;
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}
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Context->HestHeader = AllocateReservedZeroPool (PreAllocatedHestSize);
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*Context->HestHeader = (EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER) {
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ARM_ACPI_HEADER (
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EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE,
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EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_HEADER,
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EFI_ACPI_6_1_HARDWARE_ERROR_SOURCE_TABLE_REVISION
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),
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0x0
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};
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Context->KeyErrorSource = Context->HestHeader + 1;
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Context->OccupiedMemorySize = PreAllocatedHestSize;
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return EFI_SUCCESS;
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}
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