diff options
Diffstat (limited to 'roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/Comp.c')
| -rw-r--r-- | roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/Comp.c | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/Comp.c b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/Comp.c new file mode 100644 index 000000000..0a5d13f01 --- /dev/null +++ b/roms/edk2/ShellPkg/Library/UefiShellDebug1CommandsLib/Comp.c @@ -0,0 +1,372 @@ +/** @file
+ Main file for Comp shell Debug1 function.
+
+ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
+ Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "UefiShellDebug1CommandsLib.h"
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+ {L"-n", TypeValue},
+ {L"-s", TypeValue},
+ {NULL, TypeMax}
+ };
+
+typedef enum {
+ OutOfDiffPoint,
+ InDiffPoint,
+ InPrevDiffPoint
+} READ_STATUS;
+
+/**
+ Function to print differnt point data.
+
+ @param[in] FileName File name.
+ @param[in] FileTag File tag name.
+ @param[in] Buffer Data buffer to be printed.
+ @param[in] BufferSize Size of the data to be printed.
+ @param[in] Address Address of the differnt point.
+ @param[in] DifferentBytes Total size of the buffer.
+
+**/
+VOID
+PrintDifferentPoint(
+ CONST CHAR16 *FileName,
+ CHAR16 *FileTag,
+ UINT8 *Buffer,
+ UINT64 BufferSize,
+ UINTN Address,
+ UINT64 DifferentBytes
+ )
+{
+ UINTN Index;
+
+ ShellPrintEx (-1, -1, L"%s: %s\r\n %08x:", FileTag, FileName, Address);
+
+ //
+ // Print data in hex-format.
+ //
+ for (Index = 0; Index < BufferSize; Index++) {
+ ShellPrintEx (-1, -1, L" %02x", Buffer[Index]);
+ }
+
+ if (BufferSize < DifferentBytes) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_COMP_END_OF_FILE), gShellDebug1HiiHandle);
+ }
+
+ ShellPrintEx (-1, -1, L" *");
+
+ //
+ // Print data in char-format.
+ //
+ for (Index = 0; Index < BufferSize; Index++) {
+ if (Buffer[Index] >= 0x20 && Buffer[Index] <= 0x7E) {
+ ShellPrintEx (-1, -1, L"%c", Buffer[Index]);
+ } else {
+ //
+ // Print dots for control characters
+ //
+ ShellPrintEx (-1, -1, L".");
+ }
+ }
+
+ ShellPrintEx (-1, -1, L"*\r\n");
+}
+
+/**
+ Function for 'comp' 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
+ShellCommandRunComp (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CHAR16 *ProblemParam;
+ CHAR16 *FileName1;
+ CHAR16 *FileName2;
+ CONST CHAR16 *TempParam;
+ SHELL_STATUS ShellStatus;
+ SHELL_FILE_HANDLE FileHandle1;
+ SHELL_FILE_HANDLE FileHandle2;
+ UINT64 Size1;
+ UINT64 Size2;
+ UINT64 DifferentBytes;
+ UINT64 DifferentCount;
+ UINT8 DiffPointNumber;
+ UINT8 OneByteFromFile1;
+ UINT8 OneByteFromFile2;
+ UINT8 *DataFromFile1;
+ UINT8 *DataFromFile2;
+ UINTN InsertPosition1;
+ UINTN InsertPosition2;
+ UINTN DataSizeFromFile1;
+ UINTN DataSizeFromFile2;
+ UINTN TempAddress;
+ UINTN Index;
+ UINTN DiffPointAddress;
+ READ_STATUS ReadStatus;
+
+ ShellStatus = SHELL_SUCCESS;
+ Status = EFI_SUCCESS;
+ FileName1 = NULL;
+ FileName2 = NULL;
+ FileHandle1 = NULL;
+ FileHandle2 = NULL;
+ DataFromFile1 = NULL;
+ DataFromFile2 = NULL;
+ ReadStatus = OutOfDiffPoint;
+ DifferentCount = 10;
+ DifferentBytes = 4;
+ DiffPointNumber = 0;
+ InsertPosition1 = 0;
+ InsertPosition2 = 0;
+ TempAddress = 0;
+ DiffPointAddress = 0;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ Status = CommandInit();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // parse the command line
+ //
+ 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), gShellDebug1HiiHandle, L"comp", ProblemParam);
+ FreePool(ProblemParam);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ if (ShellCommandLineGetCount(Package) > 3) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"comp");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetCount(Package) < 3) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"comp");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ TempParam = ShellCommandLineGetRawValue(Package, 1);
+ ASSERT(TempParam != NULL);
+ FileName1 = ShellFindFilePath(TempParam);
+ if (FileName1 == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
+ ShellStatus = SHELL_NOT_FOUND;
+ } else {
+ Status = ShellOpenFileByName(FileName1, &FileHandle1, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
+ ShellStatus = SHELL_NOT_FOUND;
+ }
+ }
+ TempParam = ShellCommandLineGetRawValue(Package, 2);
+ ASSERT(TempParam != NULL);
+ FileName2 = ShellFindFilePath(TempParam);
+ if (FileName2 == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
+ ShellStatus = SHELL_NOT_FOUND;
+ } else {
+ Status = ShellOpenFileByName(FileName2, &FileHandle2, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
+ ShellStatus = SHELL_NOT_FOUND;
+ }
+ }
+ if (ShellStatus == SHELL_SUCCESS) {
+ Status = gEfiShellProtocol->GetFileSize(FileHandle1, &Size1);
+ ASSERT_EFI_ERROR(Status);
+ Status = gEfiShellProtocol->GetFileSize(FileHandle2, &Size2);
+ ASSERT_EFI_ERROR(Status);
+
+ if (ShellCommandLineGetFlag (Package, L"-n")) {
+ TempParam = ShellCommandLineGetValue (Package, L"-n");
+ if (TempParam == NULL) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"comp", L"-n");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ if (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)TempParam, L"all") == 0) {
+ DifferentCount = MAX_UINTN;
+ } else {
+ Status = ShellConvertStringToUint64 (TempParam, &DifferentCount, FALSE, TRUE);
+ if (EFI_ERROR(Status) || DifferentCount == 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellDebug1HiiHandle, L"comp", TempParam, L"-n");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ }
+ }
+ }
+ }
+
+ if (ShellCommandLineGetFlag (Package, L"-s")) {
+ TempParam = ShellCommandLineGetValue (Package, L"-s");
+ if (TempParam == NULL) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"comp", L"-s");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Status = ShellConvertStringToUint64 (TempParam, &DifferentBytes, FALSE, TRUE);
+ if (EFI_ERROR(Status) || DifferentBytes == 0) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellDebug1HiiHandle, L"comp", TempParam, L"-s");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ if (DifferentBytes > MAX (Size1, Size2)) {
+ DifferentBytes = MAX (Size1, Size2);
+ }
+ }
+ }
+ }
+ }
+
+ if (ShellStatus == SHELL_SUCCESS) {
+ DataFromFile1 = AllocateZeroPool ((UINTN)DifferentBytes);
+ DataFromFile2 = AllocateZeroPool ((UINTN)DifferentBytes);
+ if (DataFromFile1 == NULL || DataFromFile2 == NULL) {
+ ShellStatus = SHELL_OUT_OF_RESOURCES;
+ SHELL_FREE_NON_NULL (DataFromFile1);
+ SHELL_FREE_NON_NULL (DataFromFile2);
+ }
+ }
+
+ if (ShellStatus == SHELL_SUCCESS) {
+ while (DiffPointNumber < DifferentCount) {
+ DataSizeFromFile1 = 1;
+ DataSizeFromFile2 = 1;
+ OneByteFromFile1 = 0;
+ OneByteFromFile2 = 0;
+ Status = gEfiShellProtocol->ReadFile (FileHandle1, &DataSizeFromFile1, &OneByteFromFile1);
+ ASSERT_EFI_ERROR (Status);
+ Status = gEfiShellProtocol->ReadFile (FileHandle2, &DataSizeFromFile2, &OneByteFromFile2);
+ ASSERT_EFI_ERROR (Status);
+
+ TempAddress++;
+
+ //
+ // 1.When end of file and no chars in DataFromFile buffer, then break while.
+ // 2.If no more char in File1 or File2, The ReadStatus is InPrevDiffPoint forever.
+ // So the previous different point is the last one, then break the while block.
+ //
+ if ( (DataSizeFromFile1 == 0 && InsertPosition1 == 0 && DataSizeFromFile2 == 0 && InsertPosition2 == 0) ||
+ (ReadStatus == InPrevDiffPoint && (DataSizeFromFile1 == 0 || DataSizeFromFile2 == 0))
+ ) {
+ break;
+ }
+
+ if (ReadStatus == OutOfDiffPoint) {
+ if (OneByteFromFile1 != OneByteFromFile2) {
+ ReadStatus = InDiffPoint;
+ DiffPointAddress = TempAddress;
+ if (DataSizeFromFile1 == 1) {
+ DataFromFile1[InsertPosition1++] = OneByteFromFile1;
+ }
+ if (DataSizeFromFile2 == 1) {
+ DataFromFile2[InsertPosition2++] = OneByteFromFile2;
+ }
+ }
+ } else if (ReadStatus == InDiffPoint) {
+ if (DataSizeFromFile1 == 1) {
+ DataFromFile1[InsertPosition1++] = OneByteFromFile1;
+ }
+ if (DataSizeFromFile2 == 1) {
+ DataFromFile2[InsertPosition2++] = OneByteFromFile2;
+ }
+ } else if (ReadStatus == InPrevDiffPoint) {
+ if (OneByteFromFile1 == OneByteFromFile2) {
+ ReadStatus = OutOfDiffPoint;
+ }
+ }
+
+ //
+ // ReadStatus should be always equal InDiffPoint.
+ //
+ if ( InsertPosition1 == DifferentBytes ||
+ InsertPosition2 == DifferentBytes ||
+ (DataSizeFromFile1 == 0 && DataSizeFromFile2 == 0)
+ ) {
+
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_COMP_DIFFERENCE_POINT), gShellDebug1HiiHandle, ++DiffPointNumber);
+ PrintDifferentPoint (FileName1, L"File1", DataFromFile1, InsertPosition1, DiffPointAddress, DifferentBytes);
+ PrintDifferentPoint (FileName2, L"File2", DataFromFile2, InsertPosition2, DiffPointAddress, DifferentBytes);
+
+ //
+ // One of two buffuers is empty, it means this is the last different point.
+ //
+ if (InsertPosition1 == 0 || InsertPosition2 == 0) {
+ break;
+ }
+
+ for (Index = 1; Index < InsertPosition1 && Index < InsertPosition2; Index++) {
+ if (DataFromFile1[Index] == DataFromFile2[Index]) {
+ ReadStatus = OutOfDiffPoint;
+ break;
+ }
+ }
+
+ if (ReadStatus == OutOfDiffPoint) {
+ //
+ // Try to find a new different point in the rest of DataFromFile.
+ //
+ for (; Index < MAX (InsertPosition1,InsertPosition2); Index++) {
+ if (DataFromFile1[Index] != DataFromFile2[Index]) {
+ ReadStatus = InDiffPoint;
+ DiffPointAddress += Index;
+ break;
+ }
+ }
+ } else {
+ //
+ // Doesn't find a new different point, still in the same different point.
+ //
+ ReadStatus = InPrevDiffPoint;
+ }
+
+ CopyMem (DataFromFile1, DataFromFile1 + Index, InsertPosition1 - Index);
+ CopyMem (DataFromFile2, DataFromFile2 + Index, InsertPosition2 - Index);
+
+ SetMem (DataFromFile1 + InsertPosition1 - Index, (UINTN)DifferentBytes - InsertPosition1 + Index, 0);
+ SetMem (DataFromFile2 + InsertPosition2 - Index, (UINTN)DifferentBytes - InsertPosition2 + Index, 0);
+
+ InsertPosition1 -= Index;
+ InsertPosition2 -= Index;
+ }
+ }
+
+ SHELL_FREE_NON_NULL (DataFromFile1);
+ SHELL_FREE_NON_NULL (DataFromFile2);
+
+ if (DiffPointNumber == 0) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_COMP_FOOTER_PASS), gShellDebug1HiiHandle);
+ } else {
+ ShellStatus = SHELL_NOT_EQUAL;
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_COMP_FOOTER_FAIL), gShellDebug1HiiHandle);
+ }
+ }
+ }
+
+ ShellCommandLineFreeVarList (Package);
+ }
+ SHELL_FREE_NON_NULL(FileName1);
+ SHELL_FREE_NON_NULL(FileName2);
+
+ if (FileHandle1 != NULL) {
+ gEfiShellProtocol->CloseFile(FileHandle1);
+ }
+ if (FileHandle2 != NULL) {
+ gEfiShellProtocol->CloseFile(FileHandle2);
+ }
+
+ return (ShellStatus);
+}
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