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-rw-r--r--ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rsdp/RsdpParser.c332
1 files changed, 166 insertions, 166 deletions
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rsdp/RsdpParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rsdp/RsdpParser.c
index bddf276356..ba0d58b20a 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rsdp/RsdpParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Rsdp/RsdpParser.c
@@ -1,166 +1,166 @@
-/** @file
- RSDP table parser
-
- Copyright (c) 2016 - 2019, ARM Limited. All rights reserved.
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- @par Reference(s):
- - ACPI 6.2 Specification - Errata A, September 2017
-**/
-
-#include <Library/UefiLib.h>
-#include "AcpiParser.h"
-#include "AcpiTableParser.h"
-
-// Local Variables
-STATIC CONST UINT64 *XsdtAddress;
-
-/**
- This function validates the RSDT Address.
-
- @param [in] Ptr Pointer to the start of the field data.
- @param [in] Context Pointer to context specific information e.g. this
- could be a pointer to the ACPI table header.
-**/
-STATIC
-VOID
-EFIAPI
-ValidateRsdtAddress (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- // Reference: Server Base Boot Requirements System Software on ARM Platforms
- // Section: 4.2.1.1 RSDP
- // Root System Description Pointer (RSDP), ACPI ? 5.2.5.
- // - Within the RSDP, the RsdtAddress field must be null (zero) and the
- // XsdtAddresss MUST be a valid, non-null, 64-bit value.
- UINT32 RsdtAddr;
-
- RsdtAddr = *(UINT32 *)Ptr;
-
- if (RsdtAddr != 0) {
- IncrementErrorCount ();
- Print (
- L"\nERROR: Rsdt Address = 0x%p. This must be NULL on ARM Platforms.",
- RsdtAddr
- );
- }
-
- #endif
-}
-
-/**
- This function validates the XSDT Address.
-
- @param [in] Ptr Pointer to the start of the field data.
- @param [in] Context Pointer to context specific information e.g. this
- could be a pointer to the ACPI table header.
-**/
-STATIC
-VOID
-EFIAPI
-ValidateXsdtAddress (
- IN UINT8 *Ptr,
- IN VOID *Context
- )
-{
- #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
- // Reference: Server Base Boot Requirements System Software on ARM Platforms
- // Section: 4.2.1.1 RSDP
- // Root System Description Pointer (RSDP), ACPI ? 5.2.5.
- // - Within the RSDP, the RsdtAddress field must be null (zero) and the
- // XsdtAddresss MUST be a valid, non-null, 64-bit value.
- UINT64 XsdtAddr;
-
- XsdtAddr = *(UINT64 *)Ptr;
-
- if (XsdtAddr == 0) {
- IncrementErrorCount ();
- Print (
- L"\nERROR: Xsdt Address = 0x%p. This must not be NULL on ARM Platforms.",
- XsdtAddr
- );
- }
-
- #endif
-}
-
-/**
- An array describing the ACPI RSDP Table.
-**/
-STATIC CONST ACPI_PARSER RsdpParser[] = {
- { L"Signature", 8, 0, NULL, Dump8Chars, NULL, NULL, NULL },
- { L"Checksum", 1, 8, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Oem ID", 6, 9, NULL, Dump6Chars, NULL, NULL, NULL },
- { L"Revision", 1, 15, L"%d", NULL, NULL, NULL, NULL },
- { L"RSDT Address", 4, 16, L"0x%x", NULL, NULL, ValidateRsdtAddress, NULL },
- { L"Length", 4, 20, L"%d", NULL, NULL, NULL, NULL },
- { L"XSDT Address", 8, 24, L"0x%lx", NULL, (VOID **)&XsdtAddress,
- ValidateXsdtAddress, NULL },
- { L"Extended Checksum", 1, 32, L"0x%x", NULL, NULL, NULL, NULL },
- { L"Reserved", 3, 33, L"%x %x %x", Dump3Chars, NULL, NULL, NULL }
-};
-
-/**
- This function parses the ACPI RSDP table.
-
- This function invokes the parser for the XSDT table.
- * Note - This function does not support parsing of RSDT table.
-
- This function also performs a RAW dump of the ACPI table and
- validates the checksum.
-
- @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
-ParseAcpiRsdp (
- IN BOOLEAN Trace,
- IN UINT8 *Ptr,
- IN UINT32 AcpiTableLength,
- IN UINT8 AcpiTableRevision
- )
-{
- if (Trace) {
- DumpRaw (Ptr, AcpiTableLength);
- VerifyChecksum (TRUE, Ptr, AcpiTableLength);
- }
-
- ParseAcpi (
- Trace,
- 0,
- "RSDP",
- Ptr,
- AcpiTableLength,
- PARSER_PARAMS (RsdpParser)
- );
-
- // Check if the values used to control the parsing logic have been
- // successfully read.
- if (XsdtAddress == NULL) {
- IncrementErrorCount ();
- Print (
- L"ERROR: Insufficient table length. AcpiTableLength = %d." \
- L"RSDP parsing aborted.\n",
- AcpiTableLength
- );
- return;
- }
-
- // This code currently supports parsing of XSDT table only
- // and does not parse the RSDT table. Platforms provide the
- // RSDT to enable compatibility with ACPI 1.0 operating systems.
- // Therefore the RSDT should not be used on ARM platforms.
- if ((*XsdtAddress) == 0) {
- IncrementErrorCount ();
- Print (L"ERROR: XSDT Pointer is not set. RSDP parsing aborted.\n");
- return;
- }
-
- ProcessAcpiTable ((UINT8 *)(UINTN)(*XsdtAddress));
-}
+/** @file
+ RSDP table parser
+
+ Copyright (c) 2016 - 2019, ARM Limited. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Reference(s):
+ - ACPI 6.2 Specification - Errata A, September 2017
+**/
+
+#include <Library/UefiLib.h>
+#include "AcpiParser.h"
+#include "AcpiTableParser.h"
+
+// Local Variables
+STATIC CONST UINT64 *XsdtAddress;
+
+/**
+ This function validates the RSDT Address.
+
+ @param [in] Ptr Pointer to the start of the field data.
+ @param [in] Context Pointer to context specific information e.g. this
+ could be a pointer to the ACPI table header.
+**/
+STATIC
+VOID
+EFIAPI
+ValidateRsdtAddress (
+ IN UINT8 *Ptr,
+ IN VOID *Context
+ )
+{
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ // Reference: Server Base Boot Requirements System Software on ARM Platforms
+ // Section: 4.2.1.1 RSDP
+ // Root System Description Pointer (RSDP), ACPI ? 5.2.5.
+ // - Within the RSDP, the RsdtAddress field must be null (zero) and the
+ // XsdtAddresss MUST be a valid, non-null, 64-bit value.
+ UINT32 RsdtAddr;
+
+ RsdtAddr = *(UINT32 *)Ptr;
+
+ if (RsdtAddr != 0) {
+ IncrementErrorCount ();
+ Print (
+ L"\nERROR: Rsdt Address = 0x%p. This must be NULL on ARM Platforms.",
+ RsdtAddr
+ );
+ }
+
+ #endif
+}
+
+/**
+ This function validates the XSDT Address.
+
+ @param [in] Ptr Pointer to the start of the field data.
+ @param [in] Context Pointer to context specific information e.g. this
+ could be a pointer to the ACPI table header.
+**/
+STATIC
+VOID
+EFIAPI
+ValidateXsdtAddress (
+ IN UINT8 *Ptr,
+ IN VOID *Context
+ )
+{
+ #if defined (MDE_CPU_ARM) || defined (MDE_CPU_AARCH64)
+ // Reference: Server Base Boot Requirements System Software on ARM Platforms
+ // Section: 4.2.1.1 RSDP
+ // Root System Description Pointer (RSDP), ACPI ? 5.2.5.
+ // - Within the RSDP, the RsdtAddress field must be null (zero) and the
+ // XsdtAddresss MUST be a valid, non-null, 64-bit value.
+ UINT64 XsdtAddr;
+
+ XsdtAddr = *(UINT64 *)Ptr;
+
+ if (XsdtAddr == 0) {
+ IncrementErrorCount ();
+ Print (
+ L"\nERROR: Xsdt Address = 0x%p. This must not be NULL on ARM Platforms.",
+ XsdtAddr
+ );
+ }
+
+ #endif
+}
+
+/**
+ An array describing the ACPI RSDP Table.
+**/
+STATIC CONST ACPI_PARSER RsdpParser[] = {
+ { L"Signature", 8, 0, NULL, Dump8Chars, NULL, NULL, NULL },
+ { L"Checksum", 1, 8, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"Oem ID", 6, 9, NULL, Dump6Chars, NULL, NULL, NULL },
+ { L"Revision", 1, 15, L"%d", NULL, NULL, NULL, NULL },
+ { L"RSDT Address", 4, 16, L"0x%x", NULL, NULL, ValidateRsdtAddress, NULL },
+ { L"Length", 4, 20, L"%d", NULL, NULL, NULL, NULL },
+ { L"XSDT Address", 8, 24, L"0x%lx", NULL, (VOID **)&XsdtAddress,
+ ValidateXsdtAddress, NULL },
+ { L"Extended Checksum", 1, 32, L"0x%x", NULL, NULL, NULL, NULL },
+ { L"Reserved", 3, 33, L"%x %x %x", Dump3Chars, NULL, NULL, NULL }
+};
+
+/**
+ This function parses the ACPI RSDP table.
+
+ This function invokes the parser for the XSDT table.
+ * Note - This function does not support parsing of RSDT table.
+
+ This function also performs a RAW dump of the ACPI table and
+ validates the checksum.
+
+ @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
+ParseAcpiRsdp (
+ IN BOOLEAN Trace,
+ IN UINT8 *Ptr,
+ IN UINT32 AcpiTableLength,
+ IN UINT8 AcpiTableRevision
+ )
+{
+ if (Trace) {
+ DumpRaw (Ptr, AcpiTableLength);
+ VerifyChecksum (TRUE, Ptr, AcpiTableLength);
+ }
+
+ ParseAcpi (
+ Trace,
+ 0,
+ "RSDP",
+ Ptr,
+ AcpiTableLength,
+ PARSER_PARAMS (RsdpParser)
+ );
+
+ // Check if the values used to control the parsing logic have been
+ // successfully read.
+ if (XsdtAddress == NULL) {
+ IncrementErrorCount ();
+ Print (
+ L"ERROR: Insufficient table length. AcpiTableLength = %d." \
+ L"RSDP parsing aborted.\n",
+ AcpiTableLength
+ );
+ return;
+ }
+
+ // This code currently supports parsing of XSDT table only
+ // and does not parse the RSDT table. Platforms provide the
+ // RSDT to enable compatibility with ACPI 1.0 operating systems.
+ // Therefore the RSDT should not be used on ARM platforms.
+ if ((*XsdtAddress) == 0) {
+ IncrementErrorCount ();
+ Print (L"ERROR: XSDT Pointer is not set. RSDP parsing aborted.\n");
+ return;
+ }
+
+ ProcessAcpiTable ((UINT8 *)(UINTN)(*XsdtAddress));
+}
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