MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdRegister.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 #include "Edb.h"
  16
  17 /**
  18
  19   DebuggerCommand - Register.
  20
  21   @param  CommandArg      - The argument for this command
  22   @param  DebuggerPrivate - EBC Debugger private data structure
  23   @param  ExceptionType   - Exception type.
  24   @param  SystemContext   - EBC system context.
  25
  26   @retval EFI_DEBUG_CONTINUE - formal return value
  27
  28 **/
  29 EFI_DEBUG_STATUS
  30 DebuggerRegister (
  31   IN     CHAR16                    *CommandArg,
  32   IN     EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate,
  33   IN     EFI_EXCEPTION_TYPE        ExceptionType,
  34   IN OUT EFI_SYSTEM_CONTEXT        SystemContext
  35   )
  36 {
  37   CHAR16  *RegName;
  38   CHAR16  *RegValStr;
  39   UINT64  RegVal;
  40
  41   //
  42   // Check Argument, NULL means print all register
  43   //
  44   if (CommandArg == 0) {
  45     EDBPrint (
  46       L"  R0 - 0x%016lx, R1 - 0x%016lx\n",
  47       SystemContext.SystemContextEbc->R0,
  48       SystemContext.SystemContextEbc->R1
  49       );
  50     EDBPrint (
  51       L"  R2 - 0x%016lx, R3 - 0x%016lx\n",
  52       SystemContext.SystemContextEbc->R2,
  53       SystemContext.SystemContextEbc->R3
  54       );
  55     EDBPrint (
  56       L"  R4 - 0x%016lx, R5 - 0x%016lx\n",
  57       SystemContext.SystemContextEbc->R4,
  58       SystemContext.SystemContextEbc->R5
  59       );
  60     EDBPrint (
  61       L"  R6 - 0x%016lx, R7 - 0x%016lx\n",
  62       SystemContext.SystemContextEbc->R6,
  63       SystemContext.SystemContextEbc->R7
  64       );
  65     EDBPrint (
  66       L"  Flags - 0x%016lx, ControlFlags - 0x%016lx\n",
  67       SystemContext.SystemContextEbc->Flags,
  68       SystemContext.SystemContextEbc->ControlFlags
  69       );
  70     EDBPrint (
  71       L"  Ip - 0x%016lx\n",
  72       SystemContext.SystemContextEbc->Ip
  73       );
  74     return EFI_DEBUG_CONTINUE;
  75   }
  76
  77   //
  78   // Get register name
  79   //
  80   RegName = CommandArg;
  81   //
  82   // Get register value
  83   //
  84   RegValStr = StrGetNextTokenLine (L" ");
  85   if (RegValStr == NULL) {
  86     EDBPrint (L"Invalid Register Value\n");
  87     return EFI_DEBUG_CONTINUE;
  88   }
  89   RegVal = LXtoi (RegValStr);
  90
  91   //
  92   // Assign register value
  93   //
  94   if (StriCmp (RegName, L"R0") == 0) {
  95     SystemContext.SystemContextEbc->R0 = RegVal;
  96   } else if (StriCmp (RegName, L"R1") == 0) {
  97     SystemContext.SystemContextEbc->R1 = RegVal;
  98   } else if (StriCmp (RegName, L"R2") == 0) {
  99     SystemContext.SystemContextEbc->R2 = RegVal;
 100   } else if (StriCmp (RegName, L"R3") == 0) {
 101     SystemContext.SystemContextEbc->R3 = RegVal;
 102   } else if (StriCmp (RegName, L"R4") == 0) {
 103     SystemContext.SystemContextEbc->R4 = RegVal;
 104   } else if (StriCmp (RegName, L"R5") == 0) {
 105     SystemContext.SystemContextEbc->R5 = RegVal;
 106   } else if (StriCmp (RegName, L"R6") == 0) {
 107     SystemContext.SystemContextEbc->R6 = RegVal;
 108   } else if (StriCmp (RegName, L"R7") == 0) {
 109     SystemContext.SystemContextEbc->R7 = RegVal;
 110   } else if (StriCmp (RegName, L"Flags") == 0) {
 111     SystemContext.SystemContextEbc->Flags = RegVal;
 112   } else if (StriCmp (RegName, L"ControlFlags") == 0) {
 113     SystemContext.SystemContextEbc->ControlFlags = RegVal;
 114   } else if (StriCmp (RegName, L"Ip") == 0) {
 115     SystemContext.SystemContextEbc->Ip = RegVal;
 116   } else {
 117     EDBPrint (L"Invalid Register - %s\n", RegName);
 118   }
 119
 120   //
 121   // Done
 122   //
 123   return EFI_DEBUG_CONTINUE;
 124 }