MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdGo.c

   1 /*++
   2
   3 Copyright (c) 2007, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   EdbCmdGo.c
  15
  16 Abstract:
  17
  18
  19 --*/
  20
  21 #include "Edb.h"
  22
  23 EFI_DEBUG_STATUS
  24 DebuggerGo (
  25   IN     CHAR16                    *CommandArg,
  26   IN     EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
  27   IN     EFI_EXCEPTION_TYPE        ExceptionType,
  28   IN OUT EFI_SYSTEM_CONTEXT        SystemContext
  29   )
  30 /*++
  31
  32 Routine Description:
  33
  34   DebuggerCommand - Go
  35
  36 Arguments:
  37
  38   CommandArg      - The argument for this command
  39   DebuggerPrivate - EBC Debugger private data structure
  40   InterruptType   - Interrupt type.
  41   SystemContext   - EBC system context.
  42
  43 Returns:
  44
  45   EFI_DEBUG_BREAK    - formal return value
  46   EFI_DEBUG_CONTINUE - something wrong
  47
  48 --*/
  49 {
  50   UINTN        Address;
  51   CHAR16       *CommandStr;
  52   EFI_STATUS   Status;
  53
  54   //
  55   // Check argument
  56   //
  57   if (CommandArg != NULL) {
  58     if (StriCmp (CommandArg, L"til") == 0) {
  59       CommandStr = StrGetNextTokenLine (L" ");
  60       if (CommandStr != NULL) {
  61         //
  62         // Enable GoTil break now
  63         // set BreakAddress, and set feature flag.
  64         //
  65         Status = Symboltoi (CommandStr, &Address);
  66         if (EFI_ERROR (Status)) {
  67           if (Status == EFI_NOT_FOUND) {
  68             Address = Xtoi(CommandStr);
  69           } else {
  70             //
  71             // Something wrong, let Symboltoi print error info.
  72             //
  73             EDBPrint (L"Command Argument error!\n");
  74             return EFI_DEBUG_CONTINUE;
  75           }
  76         }
  77         DebuggerPrivate->GoTilContext.BreakAddress = Address;
  78         DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_GT;
  79       } else {
  80         EDBPrint (L"Command Argument error!\n");
  81         return EFI_DEBUG_CONTINUE;
  82       }
  83     } else {
  84       EDBPrint (L"Command Argument error!\n");
  85       return EFI_DEBUG_CONTINUE;
  86     }
  87   }
  88
  89   //
  90   // Done
  91   //
  92   return EFI_DEBUG_BREAK;
  93 }