MdeModulePkg/Universal/EbcDxe/EbcDebugger/EdbCmdRegister.c

   1 /** @file
   2
   3 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   4 SPDX-License-Identifier: BSD-2-Clause-Patent
   5
   6
   7 **/
   8
   9 #include "Edb.h"
  10
  11 /**
  12
  13   DebuggerCommand - Register.
  14
  15   @param  CommandArg      - The argument for this command
  16   @param  DebuggerPrivate - EBC Debugger private data structure
  17   @param  ExceptionType   - Exception type.
  18   @param  SystemContext   - EBC system context.
  19
  20   @retval EFI_DEBUG_CONTINUE - formal return value
  21
  22 **/
  23 EFI_DEBUG_STATUS
  24 DebuggerRegister (
  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   CHAR16  *RegName;
  32   CHAR16  *RegValStr;
  33   UINT64  RegVal;
  34
  35   //
  36   // Check Argument, NULL means print all register
  37   //
  38   if (CommandArg == 0) {
  39     EDBPrint (
  40       L"  R0 - 0x%016lx, R1 - 0x%016lx\n",
  41       SystemContext.SystemContextEbc->R0,
  42       SystemContext.SystemContextEbc->R1
  43       );
  44     EDBPrint (
  45       L"  R2 - 0x%016lx, R3 - 0x%016lx\n",
  46       SystemContext.SystemContextEbc->R2,
  47       SystemContext.SystemContextEbc->R3
  48       );
  49     EDBPrint (
  50       L"  R4 - 0x%016lx, R5 - 0x%016lx\n",
  51       SystemContext.SystemContextEbc->R4,
  52       SystemContext.SystemContextEbc->R5
  53       );
  54     EDBPrint (
  55       L"  R6 - 0x%016lx, R7 - 0x%016lx\n",
  56       SystemContext.SystemContextEbc->R6,
  57       SystemContext.SystemContextEbc->R7
  58       );
  59     EDBPrint (
  60       L"  Flags - 0x%016lx, ControlFlags - 0x%016lx\n",
  61       SystemContext.SystemContextEbc->Flags,
  62       SystemContext.SystemContextEbc->ControlFlags
  63       );
  64     EDBPrint (
  65       L"  Ip - 0x%016lx\n",
  66       SystemContext.SystemContextEbc->Ip
  67       );
  68     return EFI_DEBUG_CONTINUE;
  69   }
  70
  71   //
  72   // Get register name
  73   //
  74   RegName = CommandArg;
  75   //
  76   // Get register value
  77   //
  78   RegValStr = StrGetNextTokenLine (L" ");
  79   if (RegValStr == NULL) {
  80     EDBPrint (L"Invalid Register Value\n");
  81     return EFI_DEBUG_CONTINUE;
  82   }
  83
  84   RegVal = LXtoi (RegValStr);
  85
  86   //
  87   // Assign register value
  88   //
  89   if (StriCmp (RegName, L"R0") == 0) {
  90     SystemContext.SystemContextEbc->R0 = RegVal;
  91   } else if (StriCmp (RegName, L"R1") == 0) {
  92     SystemContext.SystemContextEbc->R1 = RegVal;
  93   } else if (StriCmp (RegName, L"R2") == 0) {
  94     SystemContext.SystemContextEbc->R2 = RegVal;
  95   } else if (StriCmp (RegName, L"R3") == 0) {
  96     SystemContext.SystemContextEbc->R3 = RegVal;
  97   } else if (StriCmp (RegName, L"R4") == 0) {
  98     SystemContext.SystemContextEbc->R4 = RegVal;
  99   } else if (StriCmp (RegName, L"R5") == 0) {
 100     SystemContext.SystemContextEbc->R5 = RegVal;
 101   } else if (StriCmp (RegName, L"R6") == 0) {
 102     SystemContext.SystemContextEbc->R6 = RegVal;
 103   } else if (StriCmp (RegName, L"R7") == 0) {
 104     SystemContext.SystemContextEbc->R7 = RegVal;
 105   } else if (StriCmp (RegName, L"Flags") == 0) {
 106     SystemContext.SystemContextEbc->Flags = RegVal;
 107   } else if (StriCmp (RegName, L"ControlFlags") == 0) {
 108     SystemContext.SystemContextEbc->ControlFlags = RegVal;
 109   } else if (StriCmp (RegName, L"Ip") == 0) {
 110     SystemContext.SystemContextEbc->Ip = RegVal;
 111   } else {
 112     EDBPrint (L"Invalid Register - %s\n", RegName);
 113   }
 114
 115   //
 116   // Done
 117   //
 118   return EFI_DEBUG_CONTINUE;
 119 }