ShellPkg/Library/UefiShellDebug1CommandsLib/Mode.c

   1 /** @file
   2   Main file for Mode shell Debug1 function.
   3
   4   Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the acModeanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which acModeanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include "UefiShellDebug1CommandsLib.h"
  16
  17 SHELL_STATUS
  18 EFIAPI
  19 ShellCommandRunMode (
  20   IN EFI_HANDLE        ImageHandle,
  21   IN EFI_SYSTEM_TABLE  *SystemTable
  22   )
  23 {
  24   EFI_STATUS          Status;
  25   LIST_ENTRY          *Package;
  26   CHAR16              *ProblemParam;
  27   SHELL_STATUS        ShellStatus;
  28   UINTN               NewCol;
  29   UINTN               NewRow;
  30   UINTN               Col;
  31   UINTN               Row;
  32   CONST CHAR16        *Temp;
  33   BOOLEAN             Done;
  34   INT32               LoopVar;
  35
  36   ShellStatus         = SHELL_SUCCESS;
  37   Status              = EFI_SUCCESS;
  38
  39   //
  40   // initialize the shell lib (we must be in non-auto-init...)
  41   //
  42   Status = ShellInitialize();
  43   ASSERT_EFI_ERROR(Status);
  44
  45   Status = CommandInit();
  46   ASSERT_EFI_ERROR(Status);
  47
  48   //
  49   // parse the command line
  50   //
  51   Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);
  52   if (EFI_ERROR(Status)) {
  53     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  54       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
  55       FreePool(ProblemParam);
  56       ShellStatus = SHELL_INVALID_PARAMETER;
  57     } else {
  58       ASSERT(FALSE);
  59     }
  60   } else {
  61     if (ShellCommandLineGetCount(Package) > 3) {
  62       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);
  63       ShellStatus = SHELL_INVALID_PARAMETER;
  64     } else if (ShellCommandLineGetCount(Package) == 2) {
  65       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);
  66       ShellStatus = SHELL_INVALID_PARAMETER;
  67     } else if (ShellCommandLineGetCount(Package) == 3) {
  68       Temp = ShellCommandLineGetRawValue(Package, 1);
  69       if (!ShellIsHexOrDecimalNumber(Temp, FALSE, FALSE)) {
  70         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
  71         ShellStatus = SHELL_INVALID_PARAMETER;
  72       }
  73       NewCol = ShellStrToUintn(Temp);
  74       Temp = ShellCommandLineGetRawValue(Package, 2);
  75       if (!ShellIsHexOrDecimalNumber(Temp, FALSE, FALSE)) {
  76         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp);
  77         ShellStatus = SHELL_INVALID_PARAMETER;
  78       }
  79       NewRow = ShellStrToUintn(Temp);
  80
  81       for (LoopVar = 0, Done = FALSE; LoopVar < gST->ConOut->Mode->MaxMode && ShellStatus == SHELL_SUCCESS ; LoopVar++) {
  82         Status = gST->ConOut->QueryMode(gST->ConOut, LoopVar, &Col, &Row);
  83         if (EFI_ERROR(Status)) {
  84           continue;
  85         }
  86         if (Col == NewCol && Row == NewRow) {
  87           Status = gST->ConOut->SetMode(gST->ConOut, LoopVar);
  88           if (EFI_ERROR(Status)) {
  89             ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_SET_FAIL), gShellDebug1HiiHandle, Status);
  90             ShellStatus = SHELL_DEVICE_ERROR;
  91           } else {
  92             // worked fine...
  93             Done = TRUE;
  94           }
  95           break;
  96         }
  97       }
  98
  99       if (!Done) {
 100         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_NO_MATCH), gShellDebug1HiiHandle);
 101         ShellStatus = SHELL_INVALID_PARAMETER;
 102       }
 103
 104     } else if (ShellCommandLineGetCount(Package) == 1) {
 105       //
 106       // print out valid
 107       //
 108       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_LIST_HEAD), gShellDebug1HiiHandle);
 109       for (LoopVar = 0, Done = FALSE; LoopVar < gST->ConOut->Mode->MaxMode && ShellStatus == SHELL_SUCCESS ; LoopVar++) {
 110         Status = gST->ConOut->QueryMode(gST->ConOut, LoopVar, &Col, &Row);
 111         if (EFI_ERROR(Status)) {
 112           continue;
 113         }
 114         ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_MODE_LIST_ITEM), gShellDebug1HiiHandle, Col, Row, LoopVar == gST->ConOut->Mode->Mode?L'*':L' ');
 115       }
 116     }
 117     ShellCommandLineFreeVarList (Package);
 118   }
 119
 120   return (ShellStatus);
 121 }