Move ARM disassembler into a library and out of the exception handler. Add a hook...
[mirror_edk2.git] / BeagleBoardPkg / Library / EblCmdLib / EblCmdLib.c
1 /** @file
2 Add custom commands for BeagleBoard development.
3
4 Copyright (c) 2008-2009, Apple Inc. All rights reserved.
5
6 All rights reserved. This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #include <PiDxe.h>
17 #include <Library/ArmLib.h>
18 #include <Library/CacheMaintenanceLib.h>
19 #include <Library/EblCmdLib.h>
20 #include <Library/BaseLib.h>
21 #include <Library/DebugLib.h>
22 #include <Library/UefiBootServicesTableLib.h>
23 #include <Library/UefiRuntimeServicesTableLib.h>
24 #include <Library/MemoryAllocationLib.h>
25 #include <Library/UefiLib.h>
26 #include <Library/PcdLib.h>
27 #include <Library/EfiFileLib.h>
28 #include <Library/ArmDisassemblerLib.h>
29
30 //PcdEmbeddedFdBaseAddress
31
32 /**
33 Fill Me In
34
35 Argv[0] - "%CommandName%"
36
37 @param Argc Number of command arguments in Argv
38 @param Argv Array of strings that represent the parsed command line.
39 Argv[0] is the comamnd name
40
41 @return EFI_SUCCESS
42
43 **/
44 EFI_STATUS
45 EblDisassembler (
46 IN UINTN Argc,
47 IN CHAR8 **Argv
48 )
49 {
50 UINT8 *Ptr;
51 UINT32 Address;
52 UINT32 Count;
53 CHAR8 Buffer[80];
54
55 if (Argc < 2) {
56 return EFI_INVALID_PARAMETER;
57 }
58
59 Address = AsciiStrHexToUintn (Argv[1]);
60 Count = (Argc > 2) ? (UINT32)AsciiStrHexToUintn (Argv[2]) : 10;
61
62 Ptr = (UINT8 *)(UINTN)Address;
63 while (Count-- > 0) {
64 DisassembleInstruction (&Ptr, TRUE, TRUE, Buffer, sizeof (Buffer));
65 AsciiPrint ("0x%08x: %a", Address, Buffer);
66 }
67
68 return EFI_SUCCESS;
69 }
70
71
72 GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] =
73 {
74 {
75 "disasm address [count]",
76 " disassemble count instructions",
77 NULL,
78 EblDisassembler
79 }
80 };
81
82
83 VOID
84 EblInitializeExternalCmd (
85 VOID
86 )
87 {
88 EblAddCommands (mLibCmdTemplate, sizeof (mLibCmdTemplate)/sizeof (EBL_COMMAND_TABLE));
89 return;
90 }