mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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388 lines
14 KiB
C
388 lines
14 KiB
C
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/** @file
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Main file for Comp shell Debug1 function.
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(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
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Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "UefiShellDebug1CommandsLib.h"
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STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
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{L"-n", TypeValue},
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{L"-s", TypeValue},
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{NULL, TypeMax}
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};
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typedef enum {
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OutOfDiffPoint,
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InDiffPoint,
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InPrevDiffPoint
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} READ_STATUS;
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/**
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Function to print differnt point data.
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@param[in] FileName File name.
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@param[in] FileTag File tag name.
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@param[in] Buffer Data buffer to be printed.
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@param[in] BufferSize Size of the data to be printed.
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@param[in] Address Address of the differnt point.
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@param[in] DifferentBytes Total size of the buffer.
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**/
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VOID
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PrintDifferentPoint(
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CONST CHAR16 *FileName,
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CHAR16 *FileTag,
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UINT8 *Buffer,
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UINT64 BufferSize,
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UINTN Address,
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UINT64 DifferentBytes
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)
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{
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UINTN Index;
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ShellPrintEx (-1, -1, L"%s: %s\r\n %08x:", FileTag, FileName, Address);
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//
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// Print data in hex-format.
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//
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for (Index = 0; Index < BufferSize; Index++) {
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ShellPrintEx (-1, -1, L" %02x", Buffer[Index]);
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}
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if (BufferSize < DifferentBytes) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_COMP_END_OF_FILE), gShellDebug1HiiHandle);
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}
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ShellPrintEx (-1, -1, L" *");
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//
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// Print data in char-format.
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//
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for (Index = 0; Index < BufferSize; Index++) {
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if (Buffer[Index] >= 0x20 && Buffer[Index] <= 0x7E) {
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ShellPrintEx (-1, -1, L"%c", Buffer[Index]);
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} else {
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//
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// Print dots for control characters
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//
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ShellPrintEx (-1, -1, L".");
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}
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}
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ShellPrintEx (-1, -1, L"*\r\n");
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}
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/**
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Function for 'comp' command.
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@param[in] ImageHandle Handle to the Image (NULL if Internal).
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@param[in] SystemTable Pointer to the System Table (NULL if Internal).
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**/
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SHELL_STATUS
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EFIAPI
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ShellCommandRunComp (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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LIST_ENTRY *Package;
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CHAR16 *ProblemParam;
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CHAR16 *FileName1;
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CHAR16 *FileName2;
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CONST CHAR16 *TempParam;
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SHELL_STATUS ShellStatus;
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SHELL_FILE_HANDLE FileHandle1;
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SHELL_FILE_HANDLE FileHandle2;
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UINT64 Size1;
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UINT64 Size2;
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UINT64 DifferentBytes;
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UINT64 DifferentCount;
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UINT8 DiffPointNumber;
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UINT8 OneByteFromFile1;
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UINT8 OneByteFromFile2;
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UINT8 *DataFromFile1;
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UINT8 *DataFromFile2;
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UINTN InsertPosition1;
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UINTN InsertPosition2;
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UINTN DataSizeFromFile1;
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UINTN DataSizeFromFile2;
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UINTN TempAddress;
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UINTN Index;
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UINTN DiffPointAddress;
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READ_STATUS ReadStatus;
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ShellStatus = SHELL_SUCCESS;
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Status = EFI_SUCCESS;
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FileName1 = NULL;
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FileName2 = NULL;
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FileHandle1 = NULL;
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FileHandle2 = NULL;
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DataFromFile1 = NULL;
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DataFromFile2 = NULL;
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ReadStatus = OutOfDiffPoint;
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DifferentCount = 10;
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DifferentBytes = 4;
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DiffPointNumber = 0;
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InsertPosition1 = 0;
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InsertPosition2 = 0;
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TempAddress = 0;
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DiffPointAddress = 0;
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//
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// initialize the shell lib (we must be in non-auto-init...)
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//
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Status = ShellInitialize();
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return SHELL_UNSUPPORTED;
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}
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Status = CommandInit();
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// ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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return SHELL_UNSUPPORTED;
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}
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//
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// parse the command line
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//
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Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
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if (EFI_ERROR(Status)) {
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if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"comp", ProblemParam);
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FreePool(ProblemParam);
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ShellStatus = SHELL_INVALID_PARAMETER;
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} /* else {
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ASSERT(FALSE);
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} */
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} else {
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if (ShellCommandLineGetCount(Package) > 3) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"comp");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else if (ShellCommandLineGetCount(Package) < 3) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"comp");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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TempParam = ShellCommandLineGetRawValue(Package, 1);
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ASSERT(TempParam != NULL);
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FileName1 = ShellFindFilePath(TempParam);
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if (FileName1 == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
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ShellStatus = SHELL_NOT_FOUND;
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} else {
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Status = ShellOpenFileByName(FileName1, &FileHandle1, EFI_FILE_MODE_READ, 0);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
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ShellStatus = SHELL_NOT_FOUND;
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}
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}
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TempParam = ShellCommandLineGetRawValue(Package, 2);
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ASSERT(TempParam != NULL);
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FileName2 = ShellFindFilePath(TempParam);
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if (FileName2 == NULL) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_FIND_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
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ShellStatus = SHELL_NOT_FOUND;
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} else {
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Status = ShellOpenFileByName(FileName2, &FileHandle2, EFI_FILE_MODE_READ, 0);
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if (EFI_ERROR(Status)) {
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ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"comp", TempParam);
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ShellStatus = SHELL_NOT_FOUND;
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}
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}
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if (ShellStatus == SHELL_SUCCESS) {
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Status = gEfiShellProtocol->GetFileSize(FileHandle1, &Size1);
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ASSERT_EFI_ERROR(Status);
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Status = gEfiShellProtocol->GetFileSize(FileHandle2, &Size2);
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ASSERT_EFI_ERROR(Status);
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if (ShellCommandLineGetFlag (Package, L"-n")) {
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TempParam = ShellCommandLineGetValue (Package, L"-n");
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if (TempParam == NULL) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"comp", L"-n");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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if (gUnicodeCollation->StriColl (gUnicodeCollation, (CHAR16 *)TempParam, L"all") == 0) {
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DifferentCount = MAX_UINTN;
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} else {
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Status = ShellConvertStringToUint64 (TempParam, &DifferentCount, FALSE, TRUE);
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if (EFI_ERROR(Status) || DifferentCount == 0) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellDebug1HiiHandle, L"comp", TempParam, L"-n");
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ShellStatus = SHELL_INVALID_PARAMETER;
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}
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}
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}
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}
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if (ShellCommandLineGetFlag (Package, L"-s")) {
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TempParam = ShellCommandLineGetValue (Package, L"-s");
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if (TempParam == NULL) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"comp", L"-s");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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Status = ShellConvertStringToUint64 (TempParam, &DifferentBytes, FALSE, TRUE);
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if (EFI_ERROR(Status) || DifferentBytes == 0) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellDebug1HiiHandle, L"comp", TempParam, L"-s");
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ShellStatus = SHELL_INVALID_PARAMETER;
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} else {
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if (DifferentBytes > MAX (Size1, Size2)) {
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DifferentBytes = MAX (Size1, Size2);
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}
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}
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}
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}
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}
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if (ShellStatus == SHELL_SUCCESS) {
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DataFromFile1 = AllocateZeroPool ((UINTN)DifferentBytes);
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DataFromFile2 = AllocateZeroPool ((UINTN)DifferentBytes);
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if (DataFromFile1 == NULL || DataFromFile2 == NULL) {
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ShellStatus = SHELL_OUT_OF_RESOURCES;
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SHELL_FREE_NON_NULL (DataFromFile1);
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SHELL_FREE_NON_NULL (DataFromFile2);
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}
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}
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if (ShellStatus == SHELL_SUCCESS) {
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while (DiffPointNumber < DifferentCount) {
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DataSizeFromFile1 = 1;
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DataSizeFromFile2 = 1;
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OneByteFromFile1 = 0;
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OneByteFromFile2 = 0;
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Status = gEfiShellProtocol->ReadFile (FileHandle1, &DataSizeFromFile1, &OneByteFromFile1);
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ASSERT_EFI_ERROR (Status);
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Status = gEfiShellProtocol->ReadFile (FileHandle2, &DataSizeFromFile2, &OneByteFromFile2);
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ASSERT_EFI_ERROR (Status);
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TempAddress++;
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//
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// 1.When end of file and no chars in DataFromFile buffer, then break while.
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// 2.If no more char in File1 or File2, The ReadStatus is InPrevDiffPoint forever.
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// So the previous different point is the last one, then break the while block.
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//
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if ( (DataSizeFromFile1 == 0 && InsertPosition1 == 0 && DataSizeFromFile2 == 0 && InsertPosition2 == 0) ||
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(ReadStatus == InPrevDiffPoint && (DataSizeFromFile1 == 0 || DataSizeFromFile2 == 0))
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) {
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break;
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}
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if (ReadStatus == OutOfDiffPoint) {
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if (OneByteFromFile1 != OneByteFromFile2) {
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ReadStatus = InDiffPoint;
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DiffPointAddress = TempAddress;
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if (DataSizeFromFile1 == 1) {
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DataFromFile1[InsertPosition1++] = OneByteFromFile1;
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}
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if (DataSizeFromFile2 == 1) {
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DataFromFile2[InsertPosition2++] = OneByteFromFile2;
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}
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}
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} else if (ReadStatus == InDiffPoint) {
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if (DataSizeFromFile1 == 1) {
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DataFromFile1[InsertPosition1++] = OneByteFromFile1;
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}
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if (DataSizeFromFile2 == 1) {
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DataFromFile2[InsertPosition2++] = OneByteFromFile2;
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}
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} else if (ReadStatus == InPrevDiffPoint) {
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if (OneByteFromFile1 == OneByteFromFile2) {
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ReadStatus = OutOfDiffPoint;
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}
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}
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//
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// ReadStatus should be always equal InDiffPoint.
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//
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if ( InsertPosition1 == DifferentBytes ||
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InsertPosition2 == DifferentBytes ||
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(DataSizeFromFile1 == 0 && DataSizeFromFile2 == 0)
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) {
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ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_COMP_DIFFERENCE_POINT), gShellDebug1HiiHandle, ++DiffPointNumber);
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PrintDifferentPoint (FileName1, L"File1", DataFromFile1, InsertPosition1, DiffPointAddress, DifferentBytes);
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PrintDifferentPoint (FileName2, L"File2", DataFromFile2, InsertPosition2, DiffPointAddress, DifferentBytes);
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//
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// One of two buffuers is empty, it means this is the last different point.
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//
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if (InsertPosition1 == 0 || InsertPosition2 == 0) {
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break;
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}
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for (Index = 1; Index < InsertPosition1 && Index < InsertPosition2; Index++) {
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if (DataFromFile1[Index] == DataFromFile2[Index]) {
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ReadStatus = OutOfDiffPoint;
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break;
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}
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}
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if (ReadStatus == OutOfDiffPoint) {
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//
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// Try to find a new different point in the rest of DataFromFile.
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//
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for (; Index < MAX (InsertPosition1,InsertPosition2); Index++) {
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if (DataFromFile1[Index] != DataFromFile2[Index]) {
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ReadStatus = InDiffPoint;
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DiffPointAddress += Index;
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break;
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}
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}
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} else {
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//
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// Doesn't find a new different point, still in the same different point.
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//
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ReadStatus = InPrevDiffPoint;
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}
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CopyMem (DataFromFile1, DataFromFile1 + Index, InsertPosition1 - Index);
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CopyMem (DataFromFile2, DataFromFile2 + Index, InsertPosition2 - Index);
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SetMem (DataFromFile1 + InsertPosition1 - Index, (UINTN)DifferentBytes - InsertPosition1 + Index, 0);
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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 {
|
||
|
|
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);
|
||
|
|
}
|