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MdePkg/UefiDevicePathLib: Use BaseLib string conversion services 

Update UefiDevicePathLib to use StrToGuid/StrHexToBytes
/StrToIpv4Address/StrToIpv6Address provided by BaseLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Ruiyu Ni 2017-02-17 16:52:54 +08:00
parent fb4dd857c1
commit 96d3713578
1 changed files with 17 additions and 204 deletions
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221
MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
View File

@ -325,187 +325,6 @@ Strtoi64 (
}
}
/**
Converts a list of string to a specified buffer.
@param Buf The output buffer that contains the string.
@param BufferLength The length of the buffer
@param Str The input string that contains the hex number
@retval EFI_SUCCESS The string was successfully converted to the buffer.
**/
EFI_STATUS
StrToBuf (
OUT UINT8 *Buf,
IN UINTN BufferLength,
IN CHAR16 *Str
)
{
UINTN Index;
UINTN StrLength;
UINT8 Digit;
UINT8 Byte;
Digit = 0;
//
// Two hex char make up one byte
//
StrLength = BufferLength * sizeof (CHAR16);
for(Index = 0; Index < StrLength; Index++, Str++) {
if ((*Str >= L'a') && (*Str <= L'f')) {
Digit = (UINT8) (*Str - L'a' + 0x0A);
} else if ((*Str >= L'A') && (*Str <= L'F')) {
Digit = (UINT8) (*Str - L'A' + 0x0A);
} else if ((*Str >= L'0') && (*Str <= L'9')) {
Digit = (UINT8) (*Str - L'0');
} else {
return EFI_INVALID_PARAMETER;
}
//
// For odd characters, write the upper nibble for each buffer byte,
// and for even characters, the lower nibble.
//
if ((Index & 1) == 0) {
Byte = (UINT8) (Digit << 4);
} else {
Byte = Buf[Index / 2];
Byte &= 0xF0;
Byte = (UINT8) (Byte | Digit);
}
Buf[Index / 2] = Byte;
}
return EFI_SUCCESS;
}
/**
Converts a string to GUID value.
Guid Format is xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
@param Str The registry format GUID string that contains the GUID value.
@param Guid A pointer to the converted GUID value.
@retval EFI_SUCCESS The GUID string was successfully converted to the GUID value.
@retval EFI_UNSUPPORTED The input string is not in registry format.
@return others Some error occurred when converting part of GUID value.
**/
EFI_STATUS
DevicePathLibStrToGuid (
IN CHAR16 *Str,
OUT EFI_GUID *Guid
)
{
//
// Get the first UINT32 data
//
Guid->Data1 = (UINT32) StrHexToUint64 (Str);
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
Str ++;
}
if (IS_HYPHEN (*Str)) {
Str++;
} else {
return EFI_UNSUPPORTED;
}
//
// Get the second UINT16 data
//
Guid->Data2 = (UINT16) StrHexToUint64 (Str);
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
Str ++;
}
if (IS_HYPHEN (*Str)) {
Str++;
} else {
return EFI_UNSUPPORTED;
}
//
// Get the third UINT16 data
//
Guid->Data3 = (UINT16) StrHexToUint64 (Str);
while (!IS_HYPHEN (*Str) && !IS_NULL (*Str)) {
Str ++;
}
if (IS_HYPHEN (*Str)) {
Str++;
} else {
return EFI_UNSUPPORTED;
}
//
// Get the following 8 bytes data
//
StrToBuf (&Guid->Data4[0], 2, Str);
//
// Skip 2 byte hex chars
//
Str += 2 * 2;
if (IS_HYPHEN (*Str)) {
Str++;
} else {
return EFI_UNSUPPORTED;
}
StrToBuf (&Guid->Data4[2], 6, Str);
return EFI_SUCCESS;
}
/**
Converts a string to IPv4 address
@param Str A string representation of IPv4 address.
@param IPv4Addr A pointer to the converted IPv4 address.
**/
VOID
StrToIPv4Addr (
IN OUT CHAR16 **Str,
OUT EFI_IPv4_ADDRESS *IPv4Addr
)
{
UINTN Index;
for (Index = 0; Index < 4; Index++) {
IPv4Addr->Addr[Index] = (UINT8) Strtoi (SplitStr (Str, L'.'));
}
}
/**
Converts a string to IPv4 address
@param Str A string representation of IPv6 address.
@param IPv6Addr A pointer to the converted IPv6 address.
**/
VOID
StrToIPv6Addr (
IN OUT CHAR16 **Str,
OUT EFI_IPv6_ADDRESS *IPv6Addr
)
{
UINTN Index;
UINT16 Data;
for (Index = 0; Index < 8; Index++) {
Data = (UINT16) StrHexToUintn (SplitStr (Str, L':'));
IPv6Addr->Addr[Index * 2] = (UINT8) (Data >> 8);
IPv6Addr->Addr[Index * 2 + 1] = (UINT8) (Data & 0xff);
}
}
/**
Converts a Unicode string to ASCII string.
@ -567,9 +386,7 @@ DevPathFromTextGenericPath (
(UINT16) (sizeof (EFI_DEVICE_PATH_PROTOCOL) + DataLength)
);
if (DataLength != 0) {
StrToBuf ((UINT8 *) (Node + 1), DataLength, DataStr);
}
StrHexToBytes (DataStr, DataLength * 2, (UINT8 *) (Node + 1), DataLength);
return Node;
}
@ -740,8 +557,8 @@ ConvertFromTextVendor (
(UINT16) (sizeof (VENDOR_DEVICE_PATH) + Length)
);
DevicePathLibStrToGuid (GuidStr, &Vendor->Guid);
StrToBuf (((UINT8 *) Vendor) + sizeof (VENDOR_DEVICE_PATH), Length, DataStr);
StrToGuid (GuidStr, &Vendor->Guid);
StrHexToBytes (DataStr, Length * 2, (UINT8 *) (Vendor + 1), Length);
return (EFI_DEVICE_PATH_PROTOCOL *) Vendor;
}
@ -1438,7 +1255,6 @@ DevPathFromTextInfiniband (
CHAR16 *SidStr;
CHAR16 *TidStr;
CHAR16 *DidStr;
EFI_GUID PortGid;
INFINIBAND_DEVICE_PATH *InfiniBand;
FlagsStr = GetNextParamStr (&TextDeviceNode);
@ -1453,8 +1269,7 @@ DevPathFromTextInfiniband (
);
InfiniBand->ResourceFlags = (UINT32) Strtoi (FlagsStr);
DevicePathLibStrToGuid (GuidStr, &PortGid);
CopyMem (InfiniBand->PortGid, &PortGid, sizeof (EFI_GUID));
StrToGuid (GuidStr, (EFI_GUID *) InfiniBand->PortGid);
Strtoi64 (SidStr, &InfiniBand->ServiceId);
Strtoi64 (TidStr, &InfiniBand->TargetPortId);
Strtoi64 (DidStr, &InfiniBand->DeviceId);
@ -1985,7 +1800,7 @@ DevPathFromTextMAC (
MACDevPath->IfType = (UINT8) Strtoi (IfTypeStr);
Length = sizeof (EFI_MAC_ADDRESS);
StrToBuf (&MACDevPath->MacAddress.Addr[0], Length, AddressStr);
StrHexToBytes (AddressStr, Length * 2, MACDevPath->MacAddress.Addr, Length);
return (EFI_DEVICE_PATH_PROTOCOL *) MACDevPath;
}
@ -2049,7 +1864,7 @@ DevPathFromTextIPv4 (
(UINT16) sizeof (IPv4_DEVICE_PATH)
);
StrToIPv4Addr (&RemoteIPStr, &IPv4->RemoteIpAddress);
StrToIpv4Address (RemoteIPStr, NULL, &IPv4->RemoteIpAddress, NULL);
IPv4->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr);
if (StrCmp (TypeStr, L"Static") == 0) {
IPv4->StaticIpAddress = TRUE;
@ -2057,10 +1872,10 @@ DevPathFromTextIPv4 (
IPv4->StaticIpAddress = FALSE;
}
StrToIPv4Addr (&LocalIPStr, &IPv4->LocalIpAddress);
StrToIpv4Address (LocalIPStr, NULL, &IPv4->LocalIpAddress, NULL);
if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*SubnetMaskStr)) {
StrToIPv4Addr (&GatewayIPStr, &IPv4->GatewayIpAddress);
StrToIPv4Addr (&SubnetMaskStr, &IPv4->SubnetMask);
StrToIpv4Address (GatewayIPStr, NULL, &IPv4->GatewayIpAddress, NULL);
StrToIpv4Address (SubnetMaskStr, NULL, &IPv4->SubnetMask, NULL);
} else {
ZeroMem (&IPv4->GatewayIpAddress, sizeof (IPv4->GatewayIpAddress));
ZeroMem (&IPv4->SubnetMask, sizeof (IPv4->SubnetMask));
@ -2105,7 +1920,7 @@ DevPathFromTextIPv6 (
(UINT16) sizeof (IPv6_DEVICE_PATH)
);
StrToIPv6Addr (&RemoteIPStr, &IPv6->RemoteIpAddress);
StrToIpv6Address (RemoteIPStr, NULL, &IPv6->RemoteIpAddress, NULL);
IPv6->Protocol = (UINT16) NetworkProtocolFromText (ProtocolStr);
if (StrCmp (TypeStr, L"Static") == 0) {
IPv6->IpAddressOrigin = 0;
@ -2115,9 +1930,9 @@ DevPathFromTextIPv6 (
IPv6->IpAddressOrigin = 2;
}
StrToIPv6Addr (&LocalIPStr, &IPv6->LocalIpAddress);
StrToIpv6Address (LocalIPStr, NULL, &IPv6->LocalIpAddress, NULL);
if (!IS_NULL (*GatewayIPStr) && !IS_NULL (*PrefixLengthStr)) {
StrToIPv6Addr (&GatewayIPStr, &IPv6->GatewayIpAddress);
StrToIpv6Address (GatewayIPStr, NULL, &IPv6->GatewayIpAddress, NULL);
IPv6->PrefixLength = (UINT8) Strtoi (PrefixLengthStr);
} else {
ZeroMem (&IPv6->GatewayIpAddress, sizeof (IPv6->GatewayIpAddress));
@ -2947,7 +2762,6 @@ DevPathFromTextHD (
CHAR16 *StartStr;
CHAR16 *SizeStr;
UINT32 Signature32;
EFI_GUID SignatureGuid;
HARDDRIVE_DEVICE_PATH *Hd;
PartitionStr = GetNextParamStr (&TextDeviceNode);
@ -2976,8 +2790,7 @@ DevPathFromTextHD (
Hd->SignatureType = SIGNATURE_TYPE_GUID;
Hd->MBRType = 0x02;
DevicePathLibStrToGuid (SignatureStr, &SignatureGuid);
CopyMem (Hd->Signature, &SignatureGuid, sizeof (EFI_GUID));
StrToGuid (SignatureStr, (EFI_GUID *) Hd->Signature);
} else {
Hd->SignatureType = (UINT8) Strtoi (TypeStr);
}
@ -3091,7 +2904,7 @@ DevPathFromTextMedia (
(UINT16) sizeof (MEDIA_PROTOCOL_DEVICE_PATH)
);
DevicePathLibStrToGuid (GuidStr, &Media->Protocol);
StrToGuid (GuidStr, &Media->Protocol);
return (EFI_DEVICE_PATH_PROTOCOL *) Media;
}
@ -3119,7 +2932,7 @@ DevPathFromTextFv (
(UINT16) sizeof (MEDIA_FW_VOL_DEVICE_PATH)
);
DevicePathLibStrToGuid (GuidStr, &Fv->FvName);
StrToGuid (GuidStr, &Fv->FvName);
return (EFI_DEVICE_PATH_PROTOCOL *) Fv;
}
@ -3147,7 +2960,7 @@ DevPathFromTextFvFile (
(UINT16) sizeof (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH)
);
DevicePathLibStrToGuid (GuidStr, &FvFile->FvFileName);
StrToGuid (GuidStr, &FvFile->FvFileName);
return (EFI_DEVICE_PATH_PROTOCOL *) FvFile;
}
@ -3219,7 +3032,7 @@ DevPathFromTextRamDisk (
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
DevicePathLibStrToGuid (TypeGuidStr, &RamDisk->TypeGuid);
StrToGuid (TypeGuidStr, &RamDisk->TypeGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}