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
DebuggerRegister(IN CHAR16 * CommandArg,IN EFI_DEBUGGER_PRIVATE_DATA * DebuggerPrivate,IN EFI_EXCEPTION_TYPE ExceptionType,IN OUT EFI_SYSTEM_CONTEXT SystemContext)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 }
125