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audk/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiView.c

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/** @file
Copyright (c) 2016 - 2019, ARM Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
#include <Library/ShellLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include "AcpiParser.h"
#include "AcpiTableParser.h"
#include "AcpiView.h"
#include "UefiShellAcpiViewCommandLib.h"
EFI_HII_HANDLE gShellAcpiViewHiiHandle = NULL;
// Report variables
STATIC UINT32 mSelectedAcpiTable;
STATIC CONST CHAR16* mSelectedAcpiTableName;
STATIC BOOLEAN mSelectedAcpiTableFound;
STATIC EREPORT_OPTION mReportType;
STATIC UINT32 mTableCount;
STATIC UINT32 mBinTableCount;
STATIC BOOLEAN mConsistencyCheck;
STATIC BOOLEAN mColourHighlighting;
/**
An array of acpiview command line parameters.
**/
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
{L"-q", TypeFlag},
{L"-d", TypeFlag},
{L"-h", TypeFlag},
{L"-l", TypeFlag},
{L"-s", TypeValue},
{NULL, TypeMax}
};
/**
This function returns the colour highlighting status.
@retval TRUE if colour highlighting is enabled.
**/
BOOLEAN
GetColourHighlighting (
VOID
)
{
return mColourHighlighting;
}
/**
This function sets the colour highlighting status.
@param Highlight The Highlight status.
**/
VOID
SetColourHighlighting (
BOOLEAN Highlight
)
{
mColourHighlighting = Highlight;
}
/**
This function returns the consistency checking status.
@retval TRUE if consistency checking is enabled.
**/
BOOLEAN
GetConsistencyChecking (
VOID
)
{
return mConsistencyCheck;
}
/**
This function sets the consistency checking status.
@param ConsistencyChecking The consistency checking status.
**/
VOID
SetConsistencyChecking (
BOOLEAN ConsistencyChecking
)
{
mConsistencyCheck = ConsistencyChecking;
}
/**
This function returns the report options.
@retval Returns the report option.
**/
STATIC
EREPORT_OPTION
GetReportOption (
VOID
)
{
return mReportType;
}
/**
This function returns the selected ACPI table.
@retval Returns signature of the selected ACPI table.
**/
STATIC
UINT32
GetSelectedAcpiTable (
VOID
)
{
return mSelectedAcpiTable;
}
/**
This function dumps the ACPI table to a file.
@param [in] Ptr Pointer to the ACPI table data.
@param [in] Length The length of the ACPI table.
@retval TRUE Success.
@retval FALSE Failure.
**/
STATIC
BOOLEAN
DumpAcpiTableToFile (
IN CONST UINT8* Ptr,
IN CONST UINTN Length
)
{
EFI_STATUS Status;
CHAR16 FileNameBuffer[MAX_FILE_NAME_LEN];
SHELL_FILE_HANDLE DumpFileHandle;
UINTN TransferBytes;
DumpFileHandle = NULL;
TransferBytes = Length;
UnicodeSPrint (
FileNameBuffer,
sizeof (FileNameBuffer),
L".\\%s%04d.bin",
mSelectedAcpiTableName,
mBinTableCount++
);
Status = ShellOpenFileByName (
FileNameBuffer,
&DumpFileHandle,
EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE,
0
);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_READONLY_MEDIA),
gShellAcpiViewHiiHandle,
L"acpiview"
);
return FALSE;
}
Print (L"Dumping ACPI table to : %s ... ", FileNameBuffer);
Status = ShellWriteFile (
DumpFileHandle,
&TransferBytes,
(VOID*)Ptr
);
if (EFI_ERROR (Status)) {
Print (L"ERROR: Failed to dump table to binary file.\n");
TransferBytes = 0;
} else {
Print (L"DONE.\n");
}
ShellCloseFile (&DumpFileHandle);
return (Length == TransferBytes);
}
/**
This function processes the table reporting options for the ACPI table.
@param [in] Signature The ACPI table Signature.
@param [in] TablePtr Pointer to the ACPI table data.
@param [in] Length The length fo the ACPI table.
@retval Returns TRUE if the ACPI table should be traced.
**/
BOOLEAN
ProcessTableReportOptions (
IN CONST UINT32 Signature,
IN CONST UINT8* TablePtr,
IN CONST UINT32 Length
)
{
UINTN OriginalAttribute;
UINT8* SignaturePtr;
BOOLEAN Log;
BOOLEAN HighLight;
//
// set local variables to suppress incorrect compiler/analyzer warnings
//
OriginalAttribute = 0;
SignaturePtr = (UINT8*)(UINTN)&Signature;
Log = FALSE;
HighLight = GetColourHighlighting ();
switch (GetReportOption ()) {
case ReportAll:
Log = TRUE;
break;
case ReportSelected:
if (Signature == GetSelectedAcpiTable ()) {
Log = TRUE;
mSelectedAcpiTableFound = TRUE;
}
break;
case ReportTableList:
if (mTableCount == 0) {
if (HighLight) {
OriginalAttribute = gST->ConOut->Mode->Attribute;
gST->ConOut->SetAttribute (
gST->ConOut,
EFI_TEXT_ATTR(EFI_CYAN,
((OriginalAttribute&(BIT4|BIT5|BIT6))>>4))
);
}
Print (L"\nInstalled Table(s):\n");
if (HighLight) {
gST->ConOut->SetAttribute (gST->ConOut, OriginalAttribute);
}
}
Print (
L"\t%4d. %c%c%c%c\n",
++mTableCount,
SignaturePtr[0],
SignaturePtr[1],
SignaturePtr[2],
SignaturePtr[3]
);
break;
case ReportDumpBinFile:
if (Signature == GetSelectedAcpiTable ()) {
mSelectedAcpiTableFound = TRUE;
DumpAcpiTableToFile (TablePtr, Length);
}
break;
case ReportMax:
// We should never be here.
// This case is only present to prevent compiler warning.
break;
} // switch
if (Log) {
if (HighLight) {
OriginalAttribute = gST->ConOut->Mode->Attribute;
gST->ConOut->SetAttribute (
gST->ConOut,
EFI_TEXT_ATTR(EFI_LIGHTBLUE,
((OriginalAttribute&(BIT4|BIT5|BIT6))>>4))
);
}
Print (
L"\n\n --------------- %c%c%c%c Table --------------- \n\n",
SignaturePtr[0],
SignaturePtr[1],
SignaturePtr[2],
SignaturePtr[3]
);
if (HighLight) {
gST->ConOut->SetAttribute (gST->ConOut, OriginalAttribute);
}
}
return Log;
}
/**
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 iterates the configuration table entries in the
system table, retrieves the RSDP pointer and starts parsing the ACPI tables.
@param [in] SystemTable Pointer to the EFI system table.
@retval Returns EFI_NOT_FOUND if the RSDP pointer is not found.
Returns EFI_UNSUPPORTED if the RSDP version is less than 2.
Returns EFI_SUCCESS if successful.
**/
STATIC
EFI_STATUS
EFIAPI
AcpiView (
IN EFI_SYSTEM_TABLE* SystemTable
)
{
EFI_STATUS Status;
UINTN Index;
EFI_CONFIGURATION_TABLE* EfiConfigurationTable;
BOOLEAN FoundAcpiTable;
UINTN OriginalAttribute;
UINTN PrintAttribute;
EREPORT_OPTION ReportOption;
UINT8* RsdpPtr;
UINT32 RsdpLength;
UINT8 RsdpRevision;
PARSE_ACPI_TABLE_PROC RsdpParserProc;
BOOLEAN Trace;
//
// set local variables to suppress incorrect compiler/analyzer warnings
//
EfiConfigurationTable = NULL;
OriginalAttribute = 0;
// Search the table for an entry that matches the ACPI Table Guid
FoundAcpiTable = FALSE;
for (Index = 0; Index < SystemTable->NumberOfTableEntries; Index++) {
if (CompareGuid (&gEfiAcpiTableGuid,
&(SystemTable->ConfigurationTable[Index].VendorGuid))) {
EfiConfigurationTable = &SystemTable->ConfigurationTable[Index];
FoundAcpiTable = TRUE;
break;
}
}
if (FoundAcpiTable) {
RsdpPtr = (UINT8*)EfiConfigurationTable->VendorTable;
// The RSDP revision is 1 byte starting at offset 15
RsdpRevision = *(RsdpPtr + RSDP_REVISION_OFFSET);
if (RsdpRevision < 2) {
Print (
L"ERROR: RSDP version less than 2 is not supported.\n"
);
return EFI_UNSUPPORTED;
}
// The RSDP length is 4 bytes starting at offset 20
RsdpLength = *(UINT32*)(RsdpPtr + RSDP_LENGTH_OFFSET);
Trace = ProcessTableReportOptions (RSDP_TABLE_INFO, RsdpPtr, RsdpLength);
Status = GetParser (RSDP_TABLE_INFO, &RsdpParserProc);
if (EFI_ERROR (Status)) {
Print (
L"ERROR: No registered parser found for RSDP.\n"
);
return Status;
}
RsdpParserProc (
Trace,
RsdpPtr,
RsdpLength,
RsdpRevision
);
} else {
IncrementErrorCount ();
Print (
L"ERROR: Failed to find ACPI Table Guid in System Configuration Table.\n"
);
return EFI_NOT_FOUND;
}
ReportOption = GetReportOption ();
if (ReportTableList != ReportOption) {
if (((ReportSelected == ReportOption) ||
(ReportDumpBinFile == ReportOption)) &&
(!mSelectedAcpiTableFound)) {
Print (L"\nRequested ACPI Table not found.\n");
} else if (GetConsistencyChecking () &&
(ReportDumpBinFile != ReportOption)) {
OriginalAttribute = gST->ConOut->Mode->Attribute;
Print (L"\nTable Statistics:\n");
if (GetColourHighlighting ()) {
PrintAttribute = (GetErrorCount () > 0) ?
EFI_TEXT_ATTR (
EFI_RED,
((OriginalAttribute&(BIT4|BIT5|BIT6))>>4)
) :
OriginalAttribute;
gST->ConOut->SetAttribute (gST->ConOut, PrintAttribute);
}
Print (L"\t%d Error(s)\n", GetErrorCount ());
if (GetColourHighlighting ()) {
PrintAttribute = (GetWarningCount () > 0) ?
EFI_TEXT_ATTR (
EFI_RED,
((OriginalAttribute&(BIT4|BIT5|BIT6))>>4)
) :
OriginalAttribute;
gST->ConOut->SetAttribute (gST->ConOut, PrintAttribute);
}
Print (L"\t%d Warning(s)\n", GetWarningCount ());
if (GetColourHighlighting ()) {
gST->ConOut->SetAttribute (gST->ConOut, OriginalAttribute);
}
}
}
return EFI_SUCCESS;
}
/**
Function for 'acpiview' command.
@param[in] ImageHandle Handle to the Image (NULL if Internal).
@param[in] SystemTable Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunAcpiView (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE* SystemTable
)
{
EFI_STATUS Status;
SHELL_STATUS ShellStatus;
LIST_ENTRY* Package;
CHAR16* ProblemParam;
SHELL_FILE_HANDLE TmpDumpFileHandle;
// Set Defaults
mReportType = ReportAll;
mTableCount = 0;
mBinTableCount = 0;
mSelectedAcpiTable = 0;
mSelectedAcpiTableName = NULL;
mSelectedAcpiTableFound = FALSE;
mConsistencyCheck = TRUE;
ShellStatus = SHELL_SUCCESS;
Package = NULL;
TmpDumpFileHandle = NULL;
// Reset The error/warning counters
ResetErrorCount ();
ResetWarningCount ();
Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_PROBLEM),
gShellAcpiViewHiiHandle,
L"acpiview",
ProblemParam
);
FreePool (ProblemParam);
} else {
Print (L"acpiview: Error processing input parameter(s)\n");
}
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ShellCommandLineGetCount (Package) > 1) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_TOO_MANY),
gShellAcpiViewHiiHandle,
L"acpiview"
);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetFlag (Package, L"-?")) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GET_HELP_ACPIVIEW),
gShellAcpiViewHiiHandle,
L"acpiview"
);
} else if (ShellCommandLineGetFlag (Package, L"-s") &&
ShellCommandLineGetValue (Package, L"-s") == NULL) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_NO_VALUE),
gShellAcpiViewHiiHandle,
L"acpiview",
L"-s"
);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if ((ShellCommandLineGetFlag (Package, L"-s") &&
ShellCommandLineGetFlag (Package, L"-l"))) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_TOO_MANY),
gShellAcpiViewHiiHandle,
L"acpiview"
);
ShellStatus = SHELL_INVALID_PARAMETER;
} else if (ShellCommandLineGetFlag (Package, L"-d") &&
!ShellCommandLineGetFlag (Package, L"-s")) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_MISSING_OPTION),
gShellAcpiViewHiiHandle,
L"acpiview",
L"-s",
L"-d"
);
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
// Turn on colour highlighting if requested
SetColourHighlighting (ShellCommandLineGetFlag (Package, L"-h"));
// Surpress consistency checking if requested
SetConsistencyChecking (!ShellCommandLineGetFlag (Package, L"-q"));
if (ShellCommandLineGetFlag (Package, L"-l")) {
mReportType = ReportTableList;
} else {
mSelectedAcpiTableName = ShellCommandLineGetValue (Package, L"-s");
if (mSelectedAcpiTableName != NULL) {
mSelectedAcpiTable = (UINT32)ConvertStrToAcpiSignature (
mSelectedAcpiTableName
);
mReportType = ReportSelected;
if (ShellCommandLineGetFlag (Package, L"-d")) {
// Create a temporary file to check if the media is writable.
CHAR16 FileNameBuffer[MAX_FILE_NAME_LEN];
mReportType = ReportDumpBinFile;
UnicodeSPrint (
FileNameBuffer,
sizeof (FileNameBuffer),
L".\\%s%04d.tmp",
mSelectedAcpiTableName,
mBinTableCount
);
Status = ShellOpenFileByName (
FileNameBuffer,
&TmpDumpFileHandle,
EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE |
EFI_FILE_MODE_CREATE,
0
);
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_INVALID_PARAMETER;
TmpDumpFileHandle = NULL;
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_GEN_READONLY_MEDIA),
gShellAcpiViewHiiHandle,
L"acpiview"
);
goto Done;
}
// Delete Temporary file.
ShellDeleteFile (&TmpDumpFileHandle);
} // -d
} // -s
}
// Parse ACPI Table information
Status = AcpiView (SystemTable);
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_NOT_FOUND;
}
}
}
Done:
if (Package != NULL) {
ShellCommandLineFreeVarList (Package);
}
return ShellStatus;
}
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