1 files changed, 246 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiViewConfig.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiViewConfig.c
new file mode 100644
index 0000000000..759a915928
--- /dev/null
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiViewConfig.c
@@ -0,0 +1,246 @@
+/** @file
+  State and accessors for 'acpiview' configuration.
+
+  Copyright (c) 2016 - 2020, ARM Limited. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+
+#include "AcpiViewConfig.h"
+
+// Report variables
+STATIC BOOLEAN        mConsistencyCheck;
+STATIC BOOLEAN        mColourHighlighting;
+STATIC EREPORT_OPTION mReportType;
+STATIC BOOLEAN        mMandatoryTableValidate;
+STATIC UINTN          mMandatoryTableSpec;
+
+// User selection of which ACPI table should be checked
+SELECTED_ACPI_TABLE mSelectedAcpiTable;
+
+/**
+ Reset the AcpiView user configuration to defaults
+**/
+VOID
+EFIAPI
+AcpiConfigSetDefaults (
+  VOID
+  )
+{
+  mReportType = ReportAll;
+  mSelectedAcpiTable.Type = 0;
+  mSelectedAcpiTable.Name = NULL;
+  mSelectedAcpiTable.Found = FALSE;
+  mConsistencyCheck = TRUE;
+  mMandatoryTableValidate = FALSE;
+  mMandatoryTableSpec = 0;
+}
+
+/**
+  This function converts a string to ACPI table signature.
+
+  @param [in] Str   Pointer to the string to be converted to the
+                    ACPI table signature.
+
+  @retval The ACPI table signature.
+**/
+STATIC
+UINT32
+ConvertStrToAcpiSignature (
+  IN CONST CHAR16 *Str
+  )
+{
+  UINT8 Index;
+  CHAR8 Ptr[4];
+
+  ZeroMem (Ptr, sizeof (Ptr));
+  Index = 0;
+
+  // Convert to Upper case and convert to ASCII
+  while ((Index < 4) && (Str[Index] != 0)) {
+    if (Str[Index] >= L'a' && Str[Index] <= L'z') {
+      Ptr[Index] = (CHAR8)(Str[Index] - (L'a' - L'A'));
+    } else {
+      Ptr[Index] = (CHAR8)Str[Index];
+    }
+    Index++;
+  }
+  return *(UINT32 *) Ptr;
+}
+
+/**
+  This function selects an ACPI table in current context.
+  The string name of the table is converted into UINT32
+  table signature.
+
+  @param [in] TableName The name of the ACPI table to select.
+**/
+VOID
+EFIAPI
+SelectAcpiTable (
+  IN CONST CHAR16 *TableName
+  )
+{
+  ASSERT (TableName != NULL);
+
+  mSelectedAcpiTable.Name = TableName;
+  mSelectedAcpiTable.Type = ConvertStrToAcpiSignature (mSelectedAcpiTable.Name);
+}
+
+/**
+  This function returns the selected ACPI table.
+
+  @param [out] SelectedAcpiTable Pointer that will contain the returned struct.
+**/
+VOID
+EFIAPI
+GetSelectedAcpiTable (
+  OUT SELECTED_ACPI_TABLE **SelectedAcpiTable
+  )
+{
+  *SelectedAcpiTable = &mSelectedAcpiTable;
+}
+
+/**
+  This function returns the colour highlighting status.
+
+  @retval TRUE Colour highlighting is enabled.
+**/
+BOOLEAN
+EFIAPI
+GetColourHighlighting (
+  VOID
+  )
+{
+  return mColourHighlighting;
+}
+
+/**
+  This function sets the colour highlighting status.
+
+  @param [in] Highlight The highlight status.
+**/
+VOID
+EFIAPI
+SetColourHighlighting (
+  BOOLEAN Highlight
+  )
+{
+  mColourHighlighting = Highlight;
+}
+
+/**
+  This function returns the consistency checking status.
+
+  @retval TRUE Consistency checking is enabled.
+**/
+BOOLEAN
+EFIAPI
+GetConsistencyChecking (
+  VOID
+  )
+{
+  return mConsistencyCheck;
+}
+
+/**
+  This function sets the consistency checking status.
+
+  @param [in] ConsistencyChecking   The consistency checking status.
+**/
+VOID
+EFIAPI
+SetConsistencyChecking (
+  BOOLEAN ConsistencyChecking
+  )
+{
+  mConsistencyCheck = ConsistencyChecking;
+}
+
+/**
+  This function returns the report options.
+
+  @return The current report option.
+**/
+EREPORT_OPTION
+EFIAPI
+GetReportOption (
+  VOID
+  )
+{
+  return mReportType;
+}
+
+/**
+  This function sets the report options.
+
+  @param [in] ReportType The report option to set.
+**/
+VOID
+EFIAPI
+SetReportOption (
+  EREPORT_OPTION ReportType
+  )
+{
+  mReportType = ReportType;
+}
+
+/**
+  This function returns the ACPI table requirements validation flag.
+
+  @retval TRUE Check for mandatory table presence should be performed.
+**/
+BOOLEAN
+EFIAPI
+GetMandatoryTableValidate (
+  VOID
+  )
+{
+  return mMandatoryTableValidate;
+}
+
+/**
+  This function sets the ACPI table requirements validation flag.
+
+  @param [in] Validate Enable/Disable ACPI table requirements validation.
+**/
+VOID
+EFIAPI
+SetMandatoryTableValidate (
+  BOOLEAN Validate
+  )
+{
+  mMandatoryTableValidate = Validate;
+}
+
+/**
+  This function returns the identifier of specification to validate ACPI table
+  requirements against.
+
+  @return ID of specification listing mandatory tables.
+**/
+UINTN
+EFIAPI
+GetMandatoryTableSpec (
+  VOID
+  )
+{
+  return mMandatoryTableSpec;
+}
+
+/**
+  This function sets the identifier of specification to validate ACPI table
+  requirements against.
+
+  @param [in] Spec ID of specification listing mandatory tables.
+**/
+VOID
+EFIAPI
+SetMandatoryTableSpec (
+  UINTN Spec
+  )
+{
+  mMandatoryTableSpec = Spec;
+}