1 files changed, 71 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Facs/FacsParser.c b/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Facs/FacsParser.c
new file mode 100644
index 000000000..d6bea86bd
--- /dev/null
+++ b/roms/edk2/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Facs/FacsParser.c
@@ -0,0 +1,71 @@
+/** @file
+  FACS table parser
+
+  Copyright (c) 2019, ARM Limited. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Reference(s):
+    - ACPI 6.3 Specification - January 2019
+**/
+
+#include <IndustryStandard/Acpi.h>
+#include <Library/UefiLib.h>
+#include "AcpiParser.h"
+#include "AcpiTableParser.h"
+
+/**
+  An ACPI_PARSER array describing the ACPI FACS Table.
+**/
+STATIC CONST ACPI_PARSER FacsParser[] = {
+  {L"Signature", 4, 0, L"%c%c%c%c", Dump4Chars, NULL, NULL, NULL},
+  {L"Length", 4, 4, L"%d", NULL,  NULL, NULL, NULL},
+  {L"Hardware Signature", 4, 8, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"Firmware Waking Vector", 4, 12, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"Global Lock", 4, 16, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"Flags", 4, 20, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"X Firmware Walking Vector", 8, 24, L"0x%lx", NULL, NULL, NULL, NULL},
+  {L"Version", 1, 32, L"%d", NULL, NULL, NULL, NULL},
+  {L"Reserved", 3, 33, L"%x %x %x", Dump3Chars, NULL, NULL, NULL},
+  {L"OSPM Flags", 4, 36, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"Reserved", 8, 40, L"%x %x %x %x %x %x %x %x", Dump8Chars, NULL, NULL,
+    NULL},
+  {L"Reserved", 8, 48, L"%x %x %x %x %x %x %x %x", Dump8Chars, NULL, NULL,
+    NULL},
+  {L"Reserved", 8, 56, L"%x %x %x %x %x %x %x %x", Dump8Chars, NULL, NULL,
+    NULL}
+};
+
+/**
+  This function parses the ACPI FACS table.
+  When trace is enabled this function parses the FACS table and
+  traces the ACPI table fields.
+
+  This function also performs validation of the ACPI table fields.
+
+  @param [in] Trace              If TRUE, trace the ACPI fields.
+  @param [in] Ptr                Pointer to the start of the buffer.
+  @param [in] AcpiTableLength    Length of the ACPI table.
+  @param [in] AcpiTableRevision  Revision of the ACPI table.
+**/
+VOID
+EFIAPI
+ParseAcpiFacs (
+  IN BOOLEAN Trace,
+  IN UINT8*  Ptr,
+  IN UINT32  AcpiTableLength,
+  IN UINT8   AcpiTableRevision
+  )
+{
+  if (!Trace) {
+    return;
+  }
+
+  ParseAcpi (
+    Trace,
+    0,
+    "FACS",
+    Ptr,
+    AcpiTableLength,
+    PARSER_PARAMS (FacsParser)
+    );
+}