ShellPkg/AcpiView: RASF Parser

Add a new parser for the RASF Table as specified in ACPI6.5 Signed-off-by: Carsten Haitzler <[email protected]>
tianocore · Oct 2, 2024 · 5aaa564 · 5aaa564
1 parent 4f46738
commit 5aaa564
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diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.h
@@ -1029,6 +1029,29 @@ ParseAcpiRas2 (
   IN UINT8    AcpiTableRevision
   );
 
+/**
+  This function parses the ACPI RASF table.
+  When trace is enabled this function parses the RASF table and
+  traces the ACPI table fields.
+
+  This function parses the RASF ACPI table
+
+  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
+ParseAcpiRasf (
+  IN BOOLEAN  Trace,
+  IN UINT8    *Ptr,
+  IN UINT32   AcpiTableLength,
+  IN UINT8    AcpiTableRevision
+  );
+
 /**
   This function parses the ACPI RSDP table.
 

diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rasf/RasfParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rasf/RasfParser.c
@@ -0,0 +1,61 @@
+/** @file
+  RASF table parser
+
+  Copyright (c) 2024, Arm Limited. All rights reserved.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Reference(s):
+    - ACPI 6.5 Specification - August 2022
+**/
+
+#include <Library/PrintLib.h>
+#include <Library/BaseLib.h>
+#include <Library/UefiLib.h>
+#include "AcpiParser.h"
+#include "AcpiView.h"
+
+STATIC ACPI_DESCRIPTION_HEADER_INFO  AcpiHdrInfo;
+
+/**
+  An ACPI_PARSER array describing the ACPI RASF Table.
+**/
+STATIC CONST ACPI_PARSER  RasfParser[] = {
+  PARSE_ACPI_HEADER (&AcpiHdrInfo),
+  { L"RASF PCC Identifier",        12,36, L"%02X %02X %02X %02X - %02X %02X %02X %02X - %02X %02X %02X %02X", Dump12Chars, NULL, NULL, NULL }
+};
+
+/**
+  This function parses the ACPI RASF table.
+  When trace is enabled this function parses the RASF 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
+ParseAcpiRasf (
+  IN BOOLEAN  Trace,
+  IN UINT8    *Ptr,
+  IN UINT32   AcpiTableLength,
+  IN UINT8    AcpiTableRevision
+  )
+{
+  if (!Trace) {
+    return;
+  }
+
+  // Parse ACPI Header + RASF "fixed" fields
+  ParseAcpi (
+    Trace,
+    0,
+    "RASF",
+    Ptr,
+    AcpiTableLength,
+    PARSER_PARAMS (RasfParser)
+    );
+}
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.c
@@ -72,6 +72,7 @@ ACPI_TABLE_PARSER  ParserList[] = {
   { EFI_ACPI_6_4_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_STRUCTURE_SIGNATURE,
     ParseAcpiPptt },
   { EFI_ACPI_6_5_ACPI_RAS2_FEATURE_TABLE_SIGNATURE,                                                      ParseAcpiRas2 },
+  { EFI_ACPI_6_5_ACPI_RAS_FEATURE_TABLE_SIGNATURE,                                                       ParseAcpiRasf },
   { RSDP_TABLE_INFO,                                                                                     ParseAcpiRsdp },
   { EFI_ACPI_6_2_SYSTEM_LOCALITY_INFORMATION_TABLE_SIGNATURE,                                            ParseAcpiSlit },
   { EFI_ACPI_6_2_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,                                        ParseAcpiSpcr },

diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.inf b/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.inf
@@ -51,6 +51,7 @@
   Parsers/Pptt/PpttParser.c
   Parsers/Pptt/PpttParser.h
   Parsers/Ras2/Ras2Parser.c
+  Parsers/Rasf/RasfParser.c
   Parsers/Rsdp/RsdpParser.c
   Parsers/Slit/SlitParser.c
   Parsers/Spcr/SpcrParser.c