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/** @file
Definition for Device Path Tool.
Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiDevicePathLib.h"
//
// Utility Name
//
#define UTILITY_NAME "DevicePath"
//
// Utility version information
//
#define UTILITY_MAJOR_VERSION 0
#define UTILITY_MINOR_VERSION 1
EFI_GUID gEfiDebugPortProtocolGuid = DEVICE_PATH_MESSAGING_DEBUGPORT;
EFI_GUID gEfiPcAnsiGuid = EFI_PC_ANSI_GUID;
EFI_GUID gEfiVT100Guid = EFI_VT_100_GUID;
EFI_GUID gEfiVT100PlusGuid = EFI_VT_100_PLUS_GUID;
EFI_GUID gEfiVTUTF8Guid = EFI_VT_UTF8_GUID;
EFI_GUID gEfiUartDevicePathGuid = EFI_UART_DEVICE_PATH_GUID;
EFI_GUID gEfiSasDevicePathGuid = EFI_SAS_DEVICE_PATH_GUID;
EFI_GUID gEfiVirtualDiskGuid = EFI_VIRTUAL_DISK_GUID;
EFI_GUID gEfiVirtualCdGuid = EFI_VIRTUAL_CD_GUID;
EFI_GUID gEfiPersistentVirtualDiskGuid = EFI_PERSISTENT_VIRTUAL_DISK_GUID;
EFI_GUID gEfiPersistentVirtualCdGuid = EFI_PERSISTENT_VIRTUAL_CD_GUID;
STATIC
VOID
Version (
VOID
)
/*++
Routine Description:
Displays the standard utility information to SDTOUT
Arguments:
None
Returns:
None
--*/
{
fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);
}
STATIC
VOID
Usage (
VOID
)
/*++
Routine Description:
Displays the utility usage syntax to STDOUT
Arguments:
None
Returns:
None
--*/
{
//
// Summary usage
//
fprintf (stdout, "\nUsage: %s [options]\n\n", UTILITY_NAME);
//
// Copyright declaration
//
fprintf (stdout, "Copyright (c) 2017, Intel Corporation. All rights reserved.\n\n");
//
// Details Option
//
fprintf (stdout, "Options:\n");
fprintf (stdout, " DevicePathString Device Path string is specified, no space character.\n"
" Example: \"PciRoot(0)/Pci(0,0)\"\n");
fprintf (stdout, " --version Show program's version number and exit.\n");
fprintf (stdout, " -h, --help Show this help message and exit.\n");
}
STATIC
VOID
PrintMem (
CONST VOID *Buffer,
UINTN Count
)
{
CONST UINT8 *Bytes;
UINTN Idx;
Bytes = Buffer;
for (Idx = 0; Idx < Count; Idx++) {
printf("0x%02x ", Bytes[Idx]);
}
}
VOID
Ascii2UnicodeString (
CHAR8 *String,
CHAR16 *UniString
)
/*++
Routine Description:
Write ascii string as unicode string format to FILE
Arguments:
String - Pointer to string that is written to FILE.
UniString - Pointer to unicode string
Returns:
NULL
--*/
{
while (*String != '\0') {
*(UniString++) = (CHAR16) *(String++);
}
//
// End the UniString with a NULL.
//
*UniString = '\0';
}
int main(int argc, CHAR8 *argv[])
{
CHAR8 * Str;
CHAR16* Str16;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
if (argc == 1) {
Error (NULL, 0, 1001, "Missing options", "No input options specified.");
Usage ();
return STATUS_ERROR;
}
if ((stricmp (argv[1], "-h") == 0) || (stricmp (argv[1], "--help") == 0)) {
Version ();
Usage ();
return STATUS_SUCCESS;
}
if (stricmp (argv[1], "--version") == 0) {
Version ();
return STATUS_SUCCESS;
}
Str = argv[1];
if (Str == NULL) {
fprintf(stderr, "Invalid option value, Device Path can't be NULL");
return STATUS_ERROR;
}
Str16 = (CHAR16 *)malloc((strlen (Str) + 1) * sizeof (CHAR16));
if (Str16 == NULL) {
fprintf(stderr, "Resource, memory cannot be allocated");
return STATUS_ERROR;
}
Ascii2UnicodeString(Str, Str16);
DevicePath = UefiDevicePathLibConvertTextToDevicePath(Str16);
if (DevicePath == NULL) {
fprintf(stderr, "Convert fail, Cannot convert text to a device path");
free(Str16);
return STATUS_ERROR;
}
while (!((DevicePath->Type == END_DEVICE_PATH_TYPE) && (DevicePath->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)) )
{
PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)DevicePath + (DevicePath->Length[0] | DevicePath->Length[1] << 8));
}
PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
putchar('\n');
free(Str16);
return STATUS_SUCCESS;
}
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