MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdGo.c

   1 /** @file
   2
   3 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   4 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
  13
  14 **/
  15
  16 #include "Edb.h"
  17
  18 /**
  19
  20   DebuggerCommand - Go.
  21
  22   @param  CommandArg      - The argument for this command
  23   @param  DebuggerPrivate - EBC Debugger private data structure
  24   @param  ExceptionType   - Interrupt type.
  25   @param  SystemContext   - EBC system context.
  26
  27   @retval EFI_DEBUG_BREAK    - formal return value
  28   @retval EFI_DEBUG_CONTINUE - something wrong
  29
  30 **/
  31 EFI_DEBUG_STATUS
  32 DebuggerGo (
  33   IN     CHAR16                    *CommandArg,
  34   IN     EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
  35   IN     EFI_EXCEPTION_TYPE        ExceptionType,
  36   IN OUT EFI_SYSTEM_CONTEXT        SystemContext
  37   )
  38 {
  39   UINTN        Address;
  40   CHAR16       *CommandStr;
  41   EFI_STATUS   Status;
  42
  43   //
  44   // Check argument
  45   //
  46   if (CommandArg != NULL) {
  47     if (StriCmp (CommandArg, L"til") == 0) {
  48       CommandStr = StrGetNextTokenLine (L" ");
  49       if (CommandStr != NULL) {
  50         //
  51         // Enable GoTil break now
  52         // set BreakAddress, and set feature flag.
  53         //
  54         Status = Symboltoi (CommandStr, &Address);
  55         if (EFI_ERROR (Status)) {
  56           if (Status == EFI_NOT_FOUND) {
  57             Address = Xtoi(CommandStr);
  58           } else {
  59             //
  60             // Something wrong, let Symboltoi print error info.
  61             //
  62             EDBPrint (L"Command Argument error!\n");
  63             return EFI_DEBUG_CONTINUE;
  64           }
  65         }
  66         DebuggerPrivate->GoTilContext.BreakAddress = Address;
  67         DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_GT;
  68       } else {
  69         EDBPrint (L"Command Argument error!\n");
  70         return EFI_DEBUG_CONTINUE;
  71       }
  72     } else {
  73       EDBPrint (L"Command Argument error!\n");
  74       return EFI_DEBUG_CONTINUE;
  75     }
  76   }
  77
  78   //
  79   // Done
  80   //
  81   return EFI_DEBUG_BREAK;
  82 }